/* SY BridgeNL — suite theme (B1a). Tokens follow www.tonsukit.com/style.css
   exactly (white / ink #141414 / accent #d9341b, Inter + Inter Tight +
   JetBrains Mono) with navy as the structural colour for the top bar,
   rail and alignment line-work. Light by default; body.sy-dark keeps the
   engineering dark view for the 3D scene (B1c). */
:root {
  --sy-bg: #ffffff; --sy-bg-2: #f4f3ef; --sy-bg-3: #e9e8e2;
  --sy-ink: #141414; --sy-ink-80: rgba(20,20,20,.80); --sy-ink-66: rgba(20,20,20,.66); --sy-ink-45: rgba(20,20,20,.45);
  --sy-rule: #141414; --sy-accent: #d9341b; --sy-accent-700: #a6260f; --sy-accent-soft: rgba(217,52,27,.08);
  --sy-good: #1a7f37; --sy-bad: #b3261e; --sy-warn: #b26a00; --sy-info: #1f5fa8;
  --sy-navy: #1b2a4a; --sy-navy-700: #122038; --sy-navy-soft: rgba(27,42,74,.08); --sy-navy-ink: #dfe6f3;
  --sy-font-heading: "Inter Tight", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --sy-font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --sy-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  /* app-level aliases */
  --bg: var(--sy-bg); --bg-2: var(--sy-bg-2); --panel: #ffffff; --panel-2: var(--sy-bg-2); --line: var(--sy-bg-3); --line-2: #d6d4cc;
  --text: var(--sy-ink); --text-2: var(--sy-ink-66); --text-3: var(--sy-ink-45); --accent: var(--sy-accent); --accent-2: var(--sy-accent-700);
  --ok: var(--sy-good); --warn: var(--sy-warn); --bad: var(--sy-bad); --info: var(--sy-info);
  --plan-tangent: var(--sy-navy); --plan-curve: var(--sy-accent); --plan-spiral: #0f8b8d; --profile: var(--sy-navy); --grid: #ecebe6; --view-bg: #fbfbf9;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 var(--sy-font-body); }
button, input, select { font: inherit; color: inherit; }
a { color: var(--accent); text-decoration: none; }
.sy-app { display: flex; flex-direction: column; height: 100vh; }

/* top bar — navy */
.sy-top { display: flex; align-items: center; gap: 14px; height: 52px; padding: 0 16px; background: var(--sy-navy); color: var(--sy-navy-ink); border-bottom: 2px solid var(--sy-navy-700); }
.sy-brand { display: flex; align-items: baseline; gap: 6px; font-family: var(--sy-font-heading); font-weight: 700; letter-spacing: .02em; color: #fff; }
.sy-brand-suite { font-size: 12px; color: rgba(255,255,255,.6); letter-spacing: .12em; }
.sy-brand-sep { color: rgba(255,255,255,.35); }
.sy-brand-product { font-size: 18px; color: #fff; font-style: italic; }
.sy-brand-sy { background: linear-gradient(180deg, #38b6ff, #1565c0); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 800; }
.sy-brand-nl { color: #ff8a1f; font-weight: 800; }
.sy-env { font-size: 10px; font-weight: 600; letter-spacing: .1em; padding: 3px 8px; border-radius: 999px; background: var(--sy-accent); color: #fff; }
.sy-ver { font-size: 11px; color: rgba(255,255,255,.6); font-family: var(--sy-font-mono); margin-right: 4px; }
.sy-crumb { flex: 1; color: rgba(255,255,255,.8); font-weight: 500; }
.sy-top-right { display: flex; align-items: center; gap: 8px; }
.sy-tag { font-family: var(--sy-font-mono); font-size: 11px; color: rgba(255,255,255,.85); border: 1px solid rgba(255,255,255,.3); padding: 3px 8px; border-radius: 6px; }
.sy-user { font-size: 12px; color: rgba(255,255,255,.7); }
.sy-top .sy-btn { background: transparent; border-color: rgba(255,255,255,.35); color: #fff; }
.sy-top .sy-btn:hover { border-color: #fff; }
.sy-top .sy-btn-primary { background: var(--sy-accent); border-color: var(--sy-accent); color: #fff; }
.sy-top .sy-btn-primary:hover { background: var(--sy-accent-700); border-color: var(--sy-accent-700); }

.sy-btn { background: #fff; border: 1px solid var(--line-2); border-radius: 8px; padding: 7px 12px; cursor: pointer; transition: .15s; color: var(--text); }
.sy-btn:hover { border-color: var(--sy-navy); }
.sy-btn-primary { background: var(--sy-accent); border-color: var(--sy-accent); color: #fff; font-weight: 600; }
.sy-btn-primary:hover { background: var(--sy-accent-700); border-color: var(--sy-accent-700); }
.sy-btn-xs { padding: 4px 9px; font-size: 12px; border-radius: 6px; }
.sy-btn[disabled] { opacity: .45; cursor: not-allowed; }

/* workspace */
.sy-ws { display: grid; grid-template-columns: 232px 1fr 320px; flex: 1; min-height: 0; transition: grid-template-columns .2s; }
.sy-ws.dock-hidden { grid-template-columns: 232px 1fr 0; }
.sy-ws.dock-hidden .sy-dock { display: none; }
.sy-ws.rail-collapsed { grid-template-columns: 60px 1fr 320px; }
.sy-ws.rail-collapsed.dock-hidden { grid-template-columns: 60px 1fr 0; }
.sy-ws.rail-collapsed .sy-rail { padding: 12px 8px; }
.sy-ws.rail-collapsed .sy-rail-case, .sy-ws.rail-collapsed .sy-grp-title, .sy-ws.rail-collapsed .sy-rail-foot, .sy-ws.rail-collapsed .sy-tab .soon, .sy-ws.rail-collapsed .sy-grp[data-grp=links] { display: none; }
.sy-ws.rail-collapsed .sy-tab { padding: 8px 0; justify-content: center; font-size: 0; gap: 0; }
.sy-ws.rail-collapsed .sy-tab .k { font-size: 12px; width: 30px; height: 30px; }
.sy-btn-icon { padding: 5px 9px; font-size: 14px; line-height: 1; }
.sy-btn-icon.on { background: rgba(255,255,255,.18); }
/* expanded view: table stacked above, drawing full width and tall */
.sy-split.expanded { grid-template-columns: 1fr; }
.sy-split.expanded .sy-tablewrap { max-height: 220px; }
.sy-split.expanded .sy-view { height: calc(100vh - 380px); min-height: 420px; }
.sy-split.expanded .sy-view-se { height: 72px; min-height: 0; }
/* 0.4.7: the profile pane keeps profile + superelevation strip inside one viewport so the probe is visible on both while the mouse moves */
.sy-split.expanded .sy-viewwrap:has(.sy-view-se) .sy-view:not(.sy-view-se) { height: calc(100vh - 500px); min-height: 340px; }
.sy-view-se text { font-size: 9px; }
.sy-rail { border-right: 1px solid var(--line); background: var(--sy-bg-2); padding: 12px 10px; overflow: auto; display: flex; flex-direction: column; gap: 14px; }
.sy-rail-case label { display: block; font-size: 11px; color: var(--text-3); margin-bottom: 8px; }
.sy-rail-case select, .sy-card input, .sy-card select, .sy-gate input { width: 100%; margin-top: 3px; background: #fff; border: 1px solid var(--line-2); border-radius: 7px; padding: 6px 8px; color: var(--text); }
.sy-card input:focus, .sy-card select:focus, .sy-rail-case select:focus { outline: none; border-color: var(--sy-navy); box-shadow: 0 0 0 3px var(--sy-navy-soft); }
.sy-rail-actions { display: flex; gap: 6px; }
.sy-grp-title { font-size: 10px; letter-spacing: .12em; color: var(--text-3); text-transform: uppercase; margin: 4px 6px 6px; }
.sy-tab { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; background: transparent; border: 1px solid transparent; border-radius: 8px; padding: 8px 8px; color: var(--sy-ink-80); cursor: pointer; }
.sy-tab:hover { background: #fff; color: var(--text); }
.sy-tab.on { background: #fff; border-color: var(--line-2); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.04); }
.sy-tab .k { width: 22px; height: 22px; border-radius: 6px; background: #fff; border: 1px solid var(--line-2); display: inline-grid; place-items: center; font-family: var(--sy-font-mono); font-size: 11px; color: var(--sy-navy); }
.sy-tab.on .k { background: var(--sy-accent); color: #fff; border-color: var(--sy-accent); }
.sy-tab.off { opacity: .5; cursor: default; }
.sy-tab .soon { margin-left: auto; font-size: 10px; color: var(--text-3); font-family: var(--sy-font-mono); }
.sy-rail-foot { margin-top: auto; font-size: 11px; color: var(--text-3); font-family: var(--sy-font-mono); padding: 6px; }

.sy-main { overflow: auto; padding: 18px 22px; background: var(--bg); }
.sy-pane { display: none; }
.sy-pane.on { display: block; }
.sy-pane-head h1 { font-family: var(--sy-font-heading); font-size: 24px; margin: 0 0 4px; letter-spacing: -.01em; }
.sy-pane-head p { margin: 0 0 16px; color: var(--text-2); max-width: 900px; }
.sy-grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.sy-card { background: var(--panel); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 14px 16px; }
.sy-card h2 { font-family: var(--sy-font-heading); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--sy-navy); margin: 0 0 10px; padding-bottom: 6px; border-bottom: 2px solid var(--sy-navy); }
.sy-card label { display: block; font-size: 12px; color: var(--text-2); margin-bottom: 9px; }
.sy-card label .u { color: var(--text-3); font-family: var(--sy-font-mono); font-size: 11px; }
.sy-preset { font-size: 12px; color: var(--text-2); background: var(--sy-navy-soft); border-left: 3px solid var(--sy-navy); border-radius: 6px; padding: 8px 10px; line-height: 1.6; }
.sy-preset b { color: var(--text); font-weight: 600; }
.sy-kv { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; font-size: 12px; }
.sy-kv .k { color: var(--text-2); }
.sy-kv .v { font-family: var(--sy-font-mono); color: var(--text); text-align: right; }
.sy-kv .v.ok { color: var(--ok); } .sy-kv .v.warn { color: var(--warn); }
.sy-kv-tight { font-size: 11px; }
.sy-derived .sy-kv { gap: 6px 12px; }

/* tables */
.sy-split { display: grid; grid-template-columns: minmax(560px, 1.35fr) minmax(360px, 1fr); gap: 14px; align-items: start; }
.sy-tablewrap { background: var(--panel); border: 1px solid var(--line-2); border-radius: var(--radius); overflow: auto; }
.sy-table { border-collapse: collapse; width: 100%; font-size: 12px; }
.sy-table th { position: sticky; top: 0; background: var(--sy-navy); color: #fff; font-weight: 500; text-align: right; padding: 8px 8px; white-space: nowrap; }
.sy-table th:first-child, .sy-table td:first-child { text-align: left; }
.sy-table th .u { font-family: var(--sy-font-mono); font-size: 10px; color: rgba(255,255,255,.7); }
.sy-table td { padding: 3px 5px; border-bottom: 1px solid var(--line); text-align: right; font-family: var(--sy-font-mono); color: var(--text-2); white-space: nowrap; }
.sy-table tbody tr:hover td { background: var(--sy-bg-2); }
.sy-table td input { width: 86px; background: #fff; border: 1px solid var(--line); border-radius: 5px; padding: 4px 6px; text-align: right; font-family: var(--sy-font-mono); font-size: 12px; color: var(--text); }
.sy-table td input.short { width: 58px; }
.sy-table td input:focus { outline: none; border-color: var(--sy-accent); box-shadow: 0 0 0 2px var(--sy-accent-soft); }
.sy-table td.d { color: var(--text); }
.sy-table td .chip { display: inline-block; font-size: 10px; padding: 1px 6px; border-radius: 999px; margin-left: 4px; font-family: var(--sy-font-body); }
.chip.warn { background: #fff3df; color: var(--warn); } .chip.info { background: #e4eefb; color: var(--info); } .chip.ok { background: #e2f3e6; color: var(--ok); }
.sy-table td .x { color: var(--text-3); background: none; border: 0; cursor: pointer; } .sy-table td .x:hover { color: var(--bad); }
.sy-tablefoot { display: flex; align-items: center; gap: 12px; padding: 8px 10px; border-top: 1px solid var(--line); font-size: 12px; color: var(--text-3); }
.sy-hint { color: var(--text-3); font-size: 12px; }

/* views */
.sy-viewwrap { background: var(--panel); border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.sy-view { width: 100%; height: 440px; display: block; background: var(--view-bg); cursor: grab; }
.sy-view:active { cursor: grabbing; }
.sy-view-se { height: 72px; border-top: 1px solid var(--line); }
.sy-viewbar { display: flex; justify-content: space-between; align-items: center; padding: 6px 10px; font-family: var(--sy-font-mono); font-size: 11px; color: var(--text-3); border-top: 1px solid var(--line); background: var(--sy-bg-2); }
.sy-view text { font-family: var(--sy-font-mono); font-size: 10px; fill: var(--sy-ink-66); }
.sy-view .grid line { stroke: var(--grid); stroke-width: 1; }
.sy-view .tangent { stroke: var(--plan-tangent); stroke-width: 2.5; fill: none; }
.sy-view .curve { stroke: var(--plan-curve); stroke-width: 3; fill: none; }
.sy-view .spiral { stroke: var(--plan-spiral); stroke-width: 3; fill: none; }
.sy-view .pi-line { stroke: var(--sy-ink-45); stroke-dasharray: 4 4; stroke-width: 1; fill: none; }
.sy-view .pi { fill: var(--sy-accent); }
.sy-view .tick { stroke: var(--sy-ink-45); stroke-width: 1; }
.sy-view .profile { stroke: var(--profile); stroke-width: 2.5; fill: none; }
.sy-view .grade { stroke: var(--sy-ink-45); stroke-dasharray: 3 3; fill: none; }
.sy-view .pvi { fill: var(--sy-accent); }
.sy-view .se-l { stroke: var(--sy-navy); stroke-width: 2; fill: none; } .sy-view .se-r { stroke: var(--sy-accent); stroke-width: 2; fill: none; }
.sy-view .north { fill: var(--sy-navy); }

/* dock */
.sy-dock { border-left: 1px solid var(--line); background: var(--sy-bg-2); padding: 12px; overflow: auto; display: flex; flex-direction: column; gap: 10px; }
.sy-dock-head { display: flex; justify-content: space-between; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--sy-navy); margin-top: 6px; border-bottom: 2px solid var(--sy-navy); padding-bottom: 4px; }
.sy-dock-sum { font-family: var(--sy-font-mono); letter-spacing: 0; text-transform: none; color: var(--text-3); }
.sy-checks { display: flex; flex-direction: column; gap: 6px; }
.sy-check { font-size: 12px; padding: 7px 9px; border-radius: 8px; background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--info); color: var(--text-2); }
.sy-check.warn { border-left-color: var(--warn); } .sy-check.ok { border-left-color: var(--ok); color: var(--ok); }
.sy-check code { font-family: var(--sy-font-mono); font-size: 10px; color: var(--text-3); margin-right: 4px; }
.sy-dock-foot { margin-top: auto; font-size: 11px; color: var(--text-3); font-family: var(--sy-font-mono); }

/* gate */
.sy-gate { max-width: 420px; margin: 40px auto; background: #fff; border: 1px solid var(--line-2); border-radius: 14px; padding: 24px; box-shadow: 0 6px 24px rgba(27,42,74,.08); }
.sy-gate h1 { font-family: var(--sy-font-heading); margin: 0 0 6px; }
.sy-gate label { display: block; font-size: 12px; color: var(--text-2); margin-bottom: 10px; }
.sy-gate details { margin: 12px 0; color: var(--text-3); font-size: 12px; }

@media (max-width: 1100px) { .sy-ws { grid-template-columns: 200px 1fr; } .sy-dock { display: none; } .sy-split { grid-template-columns: 1fr; } }
@media (max-width: 760px) { .sy-ws { grid-template-columns: 1fr; } .sy-rail { flex-direction: row; overflow-x: auto; gap: 6px; } .sy-rail-case, .sy-rail-foot, .sy-grp-title { display: none; } .sy-tab { width: auto; white-space: nowrap; } .sy-crumb, .sy-tag { display: none; } }

/* station probe */
.sy-viewwrap { position: relative; }
.sy-probe-ctl { display: flex; align-items: center; gap: 6px; }
.sy-probe-sta { width: 96px; background: #fff; border: 1px solid var(--line-2); border-radius: 6px; padding: 3px 6px; font-family: var(--sy-font-mono); font-size: 11px; color: var(--text); text-align: right; }
.sy-probe-card { position: absolute; top: 10px; right: 10px; width: 300px; background: rgba(255,255,255,.96); border: 1px solid var(--line-2); border-left: 3px solid var(--sy-accent); border-radius: 10px; padding: 8px 10px; box-shadow: 0 6px 20px rgba(27,42,74,.12); font-size: 11px; display: none; pointer-events: none; }
.sy-probe-card.on { display: block; }
.sy-probe-card h4 { margin: 0 0 4px; font-family: var(--sy-font-heading); font-size: 13px; color: var(--sy-navy); display: flex; justify-content: space-between; align-items: center; gap: 6px; pointer-events: auto; cursor: move; user-select: none; }
.sy-probe-card h4 > span:first-child { flex: 1; }
.sy-card-tools { display: inline-flex; gap: 2px; } .sy-card-btn { border: 1px solid var(--line-2); background: #fff; border-radius: 4px; font-size: 10px; line-height: 1; padding: 2px 4px; cursor: pointer; color: var(--sy-navy); } .sy-card-btn:hover { background: var(--sy-bg-2); }
.sy-card-line { display: none; font-family: var(--sy-font-mono); font-size: 10px; color: var(--text-3); margin: 0 0 2px; }
.sy-probe-card.compact { width: 220px; padding: 5px 8px; } .sy-probe-card.compact h4 { font-size: 11px; white-space: nowrap; } .sy-probe-card.compact .sy-kv { display: none; } .sy-probe-card.compact svg { height: 78px; margin: 2px 0 0; } .sy-probe-card.compact .sy-card-line { display: block; } .sy-probe-card.compact h4 .lock { display: none; }
.sy-split.expanded .sy-probe-card.compact { width: 240px; } .sy-split.expanded .sy-probe-card.compact svg { height: 90px; }
.sy-probe-card h4 .lock { font-size: 10px; color: var(--sy-accent); font-family: var(--sy-font-mono); }
.sy-probe-card svg { width: 100%; height: 120px; display: block; background: var(--view-bg); border: 1px solid var(--line); border-radius: 6px; margin: 4px 0 6px; }
.sy-probe-card .sy-kv { grid-template-columns: auto 1fr auto 1fr; gap: 2px 8px; font-size: 11px; }
.sy-probe-card .sy-kv .v { text-align: left; }
.sy-view .probe-line { stroke: var(--sy-accent); stroke-width: 1.5; stroke-dasharray: 4 3; }
.sy-view .probe-dot { fill: #fff; stroke: var(--sy-accent); stroke-width: 2.5; }
.sy-view .probe-sec { stroke: var(--sy-accent); stroke-width: 2; }
.sy-view .probe-label { fill: var(--sy-accent); font-weight: 600; }
.sy-split.expanded .sy-probe-card { width: 360px; } .sy-split.expanded .sy-probe-card svg { height: 150px; }

/* section / PGL card */
.sy-card-wide { grid-column: 1 / -1; }
.sec-row { display: grid; grid-template-columns: 90px repeat(3, 1fr) 1.6fr 1fr 1fr; gap: 8px; align-items: end; padding: 8px 0; border-top: 1px solid var(--line); }
.sec-row label { margin: 0; }
.sec-row .nm { font-family: var(--sy-font-heading); font-weight: 600; color: var(--sy-navy); padding-bottom: 8px; }
.sy-probe-card .pgl { fill: #d9341b; }
@media (max-width: 1100px) { .sec-row { grid-template-columns: repeat(3, 1fr); } }

/* ---- B1b · terrain, spans & supports (v0.3.0) ---- */
.hide { display: none !important; }
.sy-row3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 0 12px; }
.sy-row2 { display: grid; grid-template-columns: 1fr; gap: 0 12px; margin-top: 6px; }
.sy-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 8px 0 10px; }
.sy-inline { display: inline-flex !important; align-items: center; gap: 6px; margin: 0 !important; }
.sy-inline input { width: auto !important; margin: 0 !important; }
.sy-split-lay { grid-template-columns: minmax(620px, 1.45fr) minmax(360px, 1fr); }
.sy-laycol { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.sy-tablewrap-sup { margin-top: 14px; max-height: 420px; }
.sy-view-lay { height: 460px; }
.sy-table-sup td { padding: 4px 5px; }
.sy-table-sup td .sub { font-size: 10px; color: var(--text-3); text-align: right; }
.sy-table-sup td select.mini { font-size: 10px; padding: 1px 2px; border: 1px solid var(--line); border-radius: 4px; background: #fff; color: var(--text-2); }
.sy-table td.ok { color: var(--ok); } .sy-table td.info { color: var(--info); } .sy-table td.warn { color: var(--warn); font-weight: 600; }
.sy-drop { border: 2px dashed var(--line-2); border-radius: 12px; padding: 22px 14px; text-align: center; color: var(--text-2); cursor: pointer; background: var(--sy-bg-2); transition: .15s; margin-bottom: 10px; }
.sy-drop:hover, .sy-drop.over { border-color: var(--sy-accent); background: var(--sy-accent-soft); color: var(--text); }
.sy-import { font-size: 12px; line-height: 1.7; color: var(--text-2); min-height: 40px; }
.sy-import .warn { color: var(--warn); }
.sy-view .tin { fill: rgba(27,42,74,.035); stroke: rgba(27,42,74,.18); stroke-width: .6; }
.sy-view .ground { stroke: #8a6d3b; stroke-width: 1.8; fill: none; }
.sy-view .ground-fill { fill: rgba(138,109,59,.10); }
.sy-view .deck { fill: rgba(27,42,74,.14); stroke: var(--sy-navy); stroke-width: 1; }
.sy-view .cap, .sy-view .pier, .sy-view .abut { fill: #c9d3e6; stroke: var(--sy-navy); stroke-width: 1.2; }
.sy-view .pier.ghost, .sy-view .abut.ghost { fill: none; stroke-dasharray: 3 3; }
.sy-view .footing { fill: #9aa3b5; stroke: var(--sy-navy); stroke-width: 1; }
.sy-view .hwl { stroke: #1e88e5; stroke-width: 1.5; stroke-dasharray: 6 3; } .sy-view .hwl-t { fill: #1e88e5; font-size: 9px; }
.sy-view .scour { stroke: #b7791f; stroke-width: 1.2; stroke-dasharray: 2 3; }
.sy-view .sup-id { fill: var(--sy-navy); font-weight: 600; font-size: 11px; }
.sy-view .sup-h { fill: var(--sy-accent); font-size: 10px; }
.sy-view .sup-line { stroke: var(--sy-navy); stroke-width: 2.2; } .sy-view .sup-line.abut { stroke-width: 3; }
.sy-view .dim { stroke: var(--sy-ink-45); stroke-width: 1; } .sy-view .dim-t { fill: var(--sy-ink-66); font-size: 10px; }
.sy-split.expanded .sy-view-lay { height: calc(100vh - 300px); }
@media (max-width: 1400px) { .sy-split-lay:not(.sy-zoned) { grid-template-columns: 1fr; } }
.sy-hint-lbl { grid-column: 1 / -1; color: var(--text-3) !important; font-size: 11px !important; line-height: 1.5; }
.sy-view .brg { fill: var(--sy-accent); stroke: none; }
.sy-view .integral { fill: #c9d3e6; stroke: var(--sy-navy); stroke-width: 1.2; }
.sy-view .ej { stroke: var(--sy-accent); stroke-width: 2.5; } .sy-view .ej-t { fill: var(--sy-accent); font-size: 9px; font-weight: 600; }
.sy-table-sup td select.art-integral { color: var(--sy-navy); font-weight: 600; } .sy-table-sup td select.art-ej-bearing { color: var(--sy-accent); }
.sy-sub { display: block; font-size: 11px; color: var(--text-3); margin-top: 3px; }
.sy-ap2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 6px; }
.sy-ap { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: var(--sy-bg-2); min-width: 0; }
.sy-ap h3 { margin: 0 0 8px; font-family: var(--sy-font-heading); font-size: 12px; color: var(--sy-navy); }
.sy-row2b { display: grid; grid-template-columns: 1fr 1fr; gap: 0 8px; }
.sy-row4 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0 6px; margin-top: 6px; }
.sy-row4 label { font-size: 11px; } .sy-row4 label .u { display: none; }
.sy-ap .sy-kv { margin-top: 6px; }
.sy-view .fill { fill: rgba(196,160,100,.22); stroke: none; }
.sy-view .wall { stroke: var(--sy-navy); stroke-width: 2.5; fill: none; }
.sy-view .mse { stroke: var(--sy-navy); stroke-width: 2; stroke-dasharray: 5 3; fill: none; }
.sy-view .hollow { stroke: var(--sy-navy); stroke-width: 1.5; fill: rgba(27,42,74,.08); }
.sy-view .bpile { stroke: #6b4f2a; stroke-width: 1.5; } .sy-view .bpile-t { fill: #6b4f2a; font-size: 9px; }
@media (max-width: 1100px) { .sy-ap2 { grid-template-columns: 1fr; } }
.sy-row5 { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0 10px; border-top: 1px dashed var(--line); padding-top: 8px; margin-top: 2px; }
.sy-girderinfo { padding: 6px 10px; border-top: 1px solid var(--line); }
.sy-view .deck-plan { fill: rgba(27,42,74,.06); stroke: var(--sy-navy); stroke-width: 1.2; }
.sy-view .girder { stroke: var(--sy-navy); stroke-width: 1; opacity: .7; }
.sy-view .girder-end { stroke: var(--sy-accent); stroke-width: 1.5; }
.sy-row5 label .u { font-size: 10px; }
.sy-view .brg-plan { fill: #fff; stroke: var(--sy-navy); stroke-width: 1; } .sy-view .brg-plan.FX { fill: var(--sy-accent); }
.sy-row4 label.custom-only { color: var(--text-3); }
.sy-view .bu-pile { fill: #6b4f2a; stroke: none; opacity: .8; } .sy-view .bu-pile.skew { fill: var(--sy-accent); } .sy-view .bu-pile.extra { fill: #b7791f; }
.sy-view .bu-outline { fill: rgba(107,79,42,.06); stroke: #6b4f2a; stroke-width: 1; stroke-dasharray: 4 3; }
/* ---- v0.4.0 · type libraries, view tabs, 3D ---- */
.sy-h2-note { font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--text-3); margin-left: 6px; }
.sy-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.sy-chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line-2); background: #fff; font-size: 12px; cursor: pointer; color: var(--text-2); }
.sy-chip b { color: var(--sy-navy); font-family: var(--sy-font-mono); font-weight: 600; }
.sy-chip .n { font-family: var(--sy-font-mono); font-size: 10px; background: var(--sy-bg-2); border-radius: 999px; padding: 1px 6px; color: var(--text-3); }
.sy-chip.on { border-color: var(--sy-accent); background: var(--sy-accent-soft); color: var(--text); }
.sy-chip.abutment b { color: #0b6e4f; }
.sy-actions-tight { margin: 0 0 10px; }
.sy-inline-name { margin-left: auto !important; } .sy-inline-name input { width: 180px !important; }
.sy-role { font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); font-family: var(--sy-font-mono); }
.sy-row3b { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 4px; } .sy-row2b { gap: 4px; }
.sy-viewtabs { display: flex; gap: 4px; padding: 6px 8px; border-bottom: 1px solid var(--line); background: var(--sy-bg-2); }
.sy-vtab { border: 1px solid transparent; background: transparent; border-radius: 6px; padding: 4px 12px; font-size: 12px; cursor: pointer; color: var(--text-2); }
.sy-vtab.on { background: #fff; border-color: var(--line-2); color: var(--sy-navy); font-weight: 600; }
.sy-3d { position: relative; background: #f3f6fb; cursor: grab; }
.sy-3d canvas { display: block; width: 100% !important; height: 100% !important; }
.sy-3d-msg { position: absolute; inset: 0; display: grid; place-items: center; color: var(--text-3); font-size: 12px; padding: 20px; text-align: center; }
.sy-table-sup tr.span-row td { background: var(--sy-bg-2); color: var(--text-2); font-size: 11px; }
.sy-table-sup tr.span-row td.span-info { text-align: left; white-space: normal; }
.sy-table-sup tr.span-row td input { width: 64px; }
/* type previews */
.sy-preview-wrap { background: var(--view-bg); border: 1px solid var(--line); border-radius: 8px; margin: 0 0 10px; overflow: hidden; }
.sy-preview { width: 100%; height: 160px; display: block; }
.sy-preview .pv-conc { fill: #c9d3e6; stroke: var(--sy-navy); stroke-width: 1; } .sy-preview .pv-conc2 { fill: #dfe5f0; stroke: var(--sy-navy); stroke-width: 1; }
.sy-preview .pv-void { fill: var(--view-bg); stroke: var(--sy-navy); stroke-width: .8; } .sy-preview .pv-steel { fill: #4a5568; stroke: none; } .sy-preview .pv-steel-box { fill: #e2e8f0; stroke: #4a5568; stroke-width: 2; }
.sy-preview .pv-soil { fill: rgba(138,109,59,.10); } .sy-preview .pv-slope { fill: rgba(138,109,59,.18); } .sy-preview .pv-ground { stroke: #8a6d3b; stroke-width: 1.5; } .sy-preview .pv-pile { fill: #6b4f2a; }
.sy-preview .pv-deck { fill: rgba(27,42,74,.10); stroke: var(--sy-navy); stroke-width: .8; stroke-dasharray: 3 2; }
.sy-preview .pv-dim { stroke: var(--sy-ink-45); stroke-width: 1; } .sy-preview .pv-cl { stroke: var(--sy-accent); stroke-width: 1; stroke-dasharray: 5 3; } .sy-preview .pv-line { stroke: var(--sy-navy); stroke-width: 1.2; }
.sy-preview .pv-t { font-family: var(--sy-font-mono); font-size: 9px; fill: var(--sy-ink-66); } .sy-preview .pv-t2 { font-family: var(--sy-font-mono); font-size: 9px; fill: var(--sy-navy); }
.sy-view .hinge { stroke: var(--sy-accent); stroke-width: 2.2; fill: none; }
.sy-view .hollow-slab { stroke: var(--sy-navy); stroke-width: 3; fill: none; } .sy-view .hollow-col { fill: #c9d3e6; stroke: var(--sy-navy); stroke-width: 1; }
.sy-table-sup tr.span-row td.span-hinge { text-align: left; white-space: nowrap; } .sy-table-sup tr.span-row td.span-hinge input { width: 52px; }

/* 0.4.3: precast U-girder link slab over a continuous pier */
.sy-view .link-slab { stroke: #b5651d; stroke-width: 3; stroke-linecap: butt; }
/* 0.4.4: diaphragms on the plan */
.sy-view .diaphragm { stroke: #6b7280; stroke-width: 1; stroke-dasharray: 3 2; }
/* 0.4.5: plan dimensions, measure, pile caps, spectrum plot */
.sy-view .dim { stroke: #6b7280; stroke-width: 1; } .sy-view .dim-t { fill: #374151; font-family: ui-monospace, monospace; }
.sy-view .meas { stroke: #d9341b; stroke-width: 1.5; stroke-dasharray: 4 3; } .sy-view .meas-pt { fill: #d9341b; } .sy-view .meas-t { fill: #d9341b; font-weight: 600; font-family: ui-monospace, monospace; }
.sy-view.measuring { cursor: crosshair; }
.sy-view .pilecap { fill: rgba(141, 150, 168, 0.18); stroke: #6b7280; stroke-width: 1; } .sy-view .pile-plan { fill: rgba(107, 79, 42, 0.5); stroke: #6b4f2a; stroke-width: 0.8; }
.sy-btn.on { background: var(--sy-accent, #d9341b); color: #fff; }
.sy-spec { margin-top: 6px; } .sy-spec-svg .spec-line { fill: none; stroke: var(--sy-accent, #d9341b); stroke-width: 1.6; } .sy-spec-svg .spec-dot { fill: var(--sy-accent, #d9341b); } .sy-spec-svg .pv-grid { stroke: #e5e7eb; stroke-width: 0.6; }
.thai-only textarea, .user-only textarea { width: 100%; font-family: ui-monospace, monospace; font-size: 12px; }

/* 0.4.10: support type preview = elevation + plan side by side */
.sy-preview-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0; } .sy-preview-pair .sy-preview + .sy-preview { border-left: 1px solid var(--line); }
.sy-preview .pv-cap { fill: #eef1f7; stroke: var(--sy-navy); stroke-width: 1; stroke-dasharray: 3 2; } .sy-preview .pv-pile-plan { fill: #8a6a3a; stroke: #4a3a1a; stroke-width: .8; }
.sy-preview .pv-align { stroke: var(--sy-accent); stroke-width: 1.5; stroke-dasharray: 6 3; } .sy-preview .pv-align-head { fill: var(--sy-accent); }
@media (max-width: 900px) { .sy-preview-pair { grid-template-columns: 1fr; } }

.sy-sel-xs { font-size: 11px; padding: 1px 4px; border: 1px solid var(--line-2); border-radius: 4px; background: #fff; }

/* 0.5.0 · B2a FE model pane */
.sy-fe-tools { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: center; padding: 6px 10px; font-size: 11px; border-bottom: 1px solid var(--line); background: var(--sy-bg-2); }
.sy-fe-tools .sy-inline { font-size: 11px; gap: 3px; } .sy-fe-tools .u { color: var(--text-3); font-family: var(--sy-font-mono); font-size: 10px; } .sy-sep { width: 1px; height: 14px; background: var(--line-2); }
.sy-checks-fe { max-height: 220px; overflow: auto; } .sy-check.error { border-left-color: #d9341b; } .sy-check.warn { border-left-color: #e8893a; } .sy-check.info { border-left-color: #1f8fd0; } .sy-check.ok { border-left-color: #2f8f5b; }
.sy-table-xs { font-size: 11px; } .sy-table-xs td, .sy-table-xs th { padding: 2px 6px; }
.sy-inline-group { display: inline-flex; gap: 10px; padding-top: 6px; }
#fe3d { height: 520px; }
.sy-tablewrap-fe { max-height: none; }
#feSplit .sy-viewbar { flex-wrap: wrap; }
.sy-group-editor { border: 1px dashed var(--line-2); border-radius: 8px; padding: 8px 10px; margin-bottom: 8px; } .sy-group-editor select[multiple] { height: auto; }
.sy-progress { height: 16px; background: var(--sy-bg-2); border-radius: 8px; overflow: hidden; margin: 6px 0 8px; } .sy-progress-bar { height: 100%; width: 0; background: var(--sy-accent); transition: width .2s, background .3s; color: #fff; font-size: 10.5px; font-weight: 700; line-height: 16px; text-align: right; padding-right: 7px; box-sizing: border-box; white-space: nowrap; font-family: ui-monospace, monospace; } .sy-progress.done .sy-progress-bar { background: #1f7a3a; } .sy-progress.fail .sy-progress-bar { background: #b3261e; }

/* analysis workspace: module sub-rail under step 7, module header */
.sy-submods { display: flex; flex-direction: column; gap: 2px; margin: 2px 0 6px 14px; padding-left: 8px; border-left: 2px solid var(--line-2); }
.sy-subtab { display: flex; align-items: center; gap: 8px; width: 100%; text-align: left; background: transparent; border: 1px solid transparent; border-radius: 7px; padding: 5px 8px; color: var(--sy-ink-80); cursor: pointer; font-size: 12px; }
.sy-subtab .k { width: 20px; height: 20px; border-radius: 5px; display: inline-flex; align-items: center; justify-content: center; font-size: 10px; font-family: var(--sy-font-mono); background: var(--sy-bg-3, #eceae3); color: var(--text-3); }
.sy-subtab:hover { background: var(--sy-bg-3, #eceae3); }
.sy-subtab.on { background: #fff; border-color: var(--line-2); box-shadow: 0 1px 2px rgba(0,0,0,.05); color: var(--text); }
.sy-subtab.on .k { background: var(--sy-navy); color: #fff; }
.sy-ws.rail-collapsed .sy-submods { margin-left: 0; padding-left: 0; border-left: 0; }
.sy-ws.rail-collapsed .sy-subtab { padding: 5px 0; justify-content: center; font-size: 0; gap: 0; }
.sy-ws.rail-collapsed .sy-subtab .k { font-size: 10px; }
.sy-modhead { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 4px 2px 8px; font-weight: 600; color: var(--text); }
.sy-tablewrap-fe .sy-card[data-mod] { display: none; }
.sy-tablewrap-fe .sy-card[data-mod].on { display: block; }
.sy-gantt { margin-top: 8px; overflow-x: auto; }
.sy-gantt svg { display: block; font-family: var(--sy-font-mono); font-size: 9px; }
.sy-table-xs input.sy-cell { width: 70px; padding: 2px 4px; font-size: 11px; }
.sy-table-xs select.sy-cell { padding: 2px 4px; font-size: 11px; }
.sy-dim td { color: var(--text-3); }
/* 0.8.5: every split pane (plan, profile, spans, analysis) has a work zone | view zone divider — drag + buttons (more work / balance / more view / hide view); --z-left / --z-top set from app.js and remembered */
.sy-split.sy-zoned { --z-left: 52%; --z-top: 320px; grid-template-columns: minmax(340px, var(--z-left)) 26px minmax(320px, 1fr); gap: 0 8px; }
.sy-split.sy-zoned > .sy-tablewrap, .sy-split.sy-zoned > .sy-laycol, .sy-split.sy-zoned > .sy-viewwrap { min-width: 0; }
.sy-split.sy-zoned > .sy-tablewrap-fe { max-height: calc(100vh - 150px); overflow: auto; }
.sy-split.sy-zoned.expanded { grid-template-columns: 1fr; grid-template-rows: auto 26px auto; gap: 6px 0; }
.sy-split.sy-zoned.expanded > .sy-tablewrap, .sy-split.sy-zoned.expanded > .sy-laycol { max-height: none; height: var(--z-top); overflow: auto; }
.sy-split.sy-zoned.expanded .sy-view { height: max(260px, calc(100vh - var(--z-top) - 170px)); min-height: 0; }
.sy-split.sy-zoned.expanded .sy-view-se { height: 72px; }
.sy-split.sy-zoned.expanded .sy-viewwrap:has(.sy-view-se) .sy-view:not(.sy-view-se) { height: max(240px, calc(100vh - var(--z-top) - 290px)); }
.sy-split.sy-zoned.expanded #fe3d { height: max(260px, calc(100vh - var(--z-top) - 300px)); }
.sy-split.sy-zoned.view-hidden { grid-template-columns: 1fr 26px !important; grid-template-rows: none; }
.sy-split.sy-zoned.view-hidden.expanded { grid-template-columns: 1fr !important; grid-template-rows: auto 26px; }
.sy-split.sy-zoned.view-hidden > .sy-viewwrap { display: none; }
.sy-split.sy-zoned.view-hidden > .sy-tablewrap, .sy-split.sy-zoned.view-hidden > .sy-laycol { height: auto !important; max-height: calc(100vh - 150px); overflow: auto; }
.sy-divider { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 6px 0; background: var(--sy-bg-2); border: 1px solid var(--line-2); border-radius: 8px; cursor: col-resize; user-select: none; align-self: start; position: sticky; top: 10px; min-height: 300px; }
.sy-divider:hover { background: var(--sy-bg-3, #eceae3); }
.sy-divider .sy-div-grip { position: absolute; inset: 0; border-radius: 8px; }
.sy-divider .sy-div-btn { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; width: 22px; padding: 6px 0; border: 1px solid var(--line-2); border-radius: 5px; background: #fff; color: var(--text-2, #444); font-size: 10px; line-height: 1; cursor: pointer; }
.sy-divider .sy-div-btn b { font-size: 11px; font-weight: 600; }
.sy-divider .sy-div-btn span { writing-mode: vertical-rl; font-size: 9px; letter-spacing: .02em; white-space: nowrap; color: var(--text-3); }
.sy-divider .sy-div-btn:hover { background: var(--sy-navy); color: #fff; border-color: var(--sy-navy); } .sy-divider .sy-div-btn:hover span { color: #fff; }
.sy-divider .sy-div-layout { margin-top: 14px; }
.sy-split.view-hidden .sy-div-layout { display: none; }
.sy-split.view-hidden .sy-div-btn:not(.sy-div-hide) { display: none; }
.sy-split.view-hidden .sy-div-hide { background: var(--sy-navy); color: #fff; border-color: var(--sy-navy); } .sy-split.view-hidden .sy-div-hide span { color: #fff; }
.sy-split.expanded .sy-divider { flex-direction: row; justify-content: center; gap: 8px; padding: 0 8px; cursor: row-resize; min-height: 0; height: 26px; width: 100%; position: relative; top: 0; }
.sy-split.expanded .sy-divider .sy-div-btn { flex-direction: row; width: auto; height: 20px; padding: 0 8px; gap: 5px; }
.sy-split.expanded .sy-divider .sy-div-btn span { writing-mode: horizontal-tb; }
.sy-split.expanded .sy-divider .sy-div-btn b { display: inline-block; transform: rotate(90deg); }
.sy-split.expanded .sy-divider .sy-div-layout { margin-top: 0; margin-left: 16px; }
.sy-split.expanded .sy-divider .sy-div-hide b, .sy-split.expanded .sy-divider .sy-div-layout b { transform: none; }
body.sy-resizing { user-select: none; }
@media (max-width: 1100px) { .sy-split.sy-zoned { grid-template-columns: 1fr !important; } .sy-divider { display: none; } }
.sy-tablewrap-fe .sy-table-xs td, .sy-tablewrap-fe .sy-table-xs th { white-space: nowrap; }
.sy-tablewrap-fe .sy-table-xs td .sub { white-space: normal; max-width: 260px; }
.sy-step { display: inline-block; font-size: 10px; padding: 1px 6px; border-radius: 999px; border: 1px solid var(--line-2); background: #fff; margin: 1px 0; white-space: nowrap; }
.sy-step-analysis { border-color: var(--sy-accent, #d9341b); color: var(--sy-accent, #d9341b); }
.sy-step-load { border-color: #5b6b8a; color: #5b6b8a; }
.sy-step .sy-x { border: 0; background: transparent; cursor: pointer; color: inherit; padding: 0 0 0 2px; font-size: 10px; }
.sy-charts { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 8px; margin: 6px 0; }
.sy-chart { width: 100%; height: auto; background: #fff; border: 1px solid var(--line-2); border-radius: 6px; font-family: var(--sy-font-mono); }
.sy-chart .t { font-size: 10px; fill: var(--text); font-weight: 600; } .sy-chart .u { font-size: 8px; fill: var(--text-3); } .sy-chart .ax { stroke: #9aa3b5; stroke-width: 1; } .sy-chart .grid { stroke: #ecebe6; stroke-width: 1; } .sy-chart .ln { fill: none; stroke: var(--sy-accent, #d9341b); stroke-width: 1.8; }
/* rev 33b: inline groups never overflow their grid cell — inputs shrink / wrap instead of running over the next column */
.sy-inline-group { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; max-width: 100%; }
.sy-inline-group > input, .sy-inline-group > select { flex: 1 1 60px; min-width: 0; width: auto !important; }
.sy-inline-group > input[type="checkbox"] { flex: 0 0 auto; }

/* 0.8.7: module B section details */
.sy-sd { display: grid; grid-template-columns: minmax(320px, 1.4fr) minmax(220px, 1fr); gap: 10px; align-items: start; }
.sy-sd-draw { background: #fff; border: 1px solid var(--line-2); border-radius: 8px; padding: 6px; overflow: auto; }
.sy-sd-draw svg { display: block; width: 100%; height: auto; font-family: var(--sy-font-mono); }
.sy-sd-props table { width: 100%; table-layout: fixed; } .sy-sd-props .sy-table-xs td:first-child { color: var(--text-3); width: 34%; } .sy-tablewrap-fe .sy-sd-props .sy-table-xs td { white-space: normal; text-align: left; word-break: break-word; }
.sy-sd-props h3 { font-size: 11px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-3); margin: 8px 0 4px; }
#sdModes .sy-btn.on { background: var(--sy-navy); color: #fff; border-color: var(--sy-navy); }
.sy-sec-tag { font-size: 9px; padding: 1px 5px; border-radius: 4px; background: var(--sy-bg-3, #eceae3); color: var(--text-3); margin-left: 4px; }
.sy-sec-tag.edited { background: #fbe9c9; color: #7a4b00; } .sy-sec-tag.user { background: #dcebf7; color: #1a4d7a; }
@media (max-width: 900px) { .sy-sd { grid-template-columns: 1fr; } }
.sy-sec-acts { margin-top: 3px; white-space: nowrap; } .sy-sec-acts .sy-btn-xs { padding: 1px 6px; font-size: 10px; }
.sy-sd-sub { margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line-2); } .sy-sd-sub .sy-sd-h { font-size: 11px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-3); margin: 8px 0 4px; } .sy-sd-sub .sy-sd-h .u { text-transform: none; letter-spacing: 0; }
#sdModes .sy-btn.on { background: var(--sy-navy); color: #fff; border-color: var(--sy-navy); }
.pv-steel { fill: #c9d3e3; stroke: #1f2d4d; stroke-width: 1; } .pv-steel2 { fill: #b5c2d6; stroke: #1f2d4d; stroke-width: 1; } .pv-steel-ln { stroke: #1f2d4d; stroke-width: .6; } .pv-steel-pl { fill: #2c3e6b; stroke: #111a33; stroke-width: .5; } .pv-grout { fill: #d9d4c7; stroke: #8a8375; stroke-width: .4; } .pv-rod { stroke: #b3261e; stroke-width: 1.2; stroke-dasharray: 3 2; }
.sy-swatch { display: inline-block; width: 10px; height: 10px; border: 1px solid #1f2d4d; border-radius: 2px; margin-right: 4px; vertical-align: -1px; }
.sy-void-row td { background: #fbfaf6; } .sy-void-row .sy-cell { width: 64px; } .sy-void-row select.sy-cell { width: auto; }
.sy-brgtop-wrap { margin-top: 8px; border: 1px solid var(--line-2); border-radius: 8px; padding: 6px 10px; background: #fff; } .sy-brgtop-wrap .sy-modhead { padding: 2px 0 6px; } #brgTop svg, #layTopHost svg { width: 100%; max-width: 760px; height: auto; display: block; margin: 0 auto; font-family: var(--sy-font-mono); border: 1px solid var(--line-2); border-radius: 8px; touch-action: none; user-select: none; }
.sy-top-card { width: 660px; max-width: calc(100% - 20px); left: 10px; right: auto; } .sy-top-card svg { width: 100%; height: auto; font-family: var(--sy-font-mono); }

/* rev 42 · step 4 site & environment */
.sy-brgtop-wrap .sy-modhead .u { display: block; font-weight: 400; font-size: 11px; color: var(--muted, #667); }

/* rev 43 · step 4 site & environment — four cards + professional spectrum plot */
.sy-site-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 14px; max-width: 1400px; }
.sy-site-card .sy-row2 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.sy-site-card h2 { display: flex; align-items: center; gap: 8px; }
.sy-site-ico { display: inline-flex; width: 20px; height: 20px; border-radius: 50%; background: var(--sy-accent, #d9341b); color: #fff; font-size: 11px; font-weight: 700; align-items: center; justify-content: center; letter-spacing: 0; }
.sy-site-seis { grid-column: 1 / -1; }
.sy-site-seis .sy-row3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.sy-spec-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin: 10px 0 8px; }
.sy-spec-stat { border: 1px solid var(--line-2); border-radius: 8px; padding: 7px 10px; background: var(--bg, #fafaf8); min-width: 0; }
.sy-spec-stat .k { display: block; font-size: 10.5px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sy-spec-stat .v { display: block; font-family: var(--sy-font-mono); font-size: 16px; font-weight: 600; color: var(--text); margin-top: 2px; }
.sy-spec-stat .v small { font-size: 10.5px; font-weight: 400; color: var(--text-2); margin-left: 3px; }
.sy-spec-stat.zone-1 .v, .sy-spec-stat.zone-2 .v { color: #1f7a3a; } .sy-spec-stat.zone-3 .v { color: #b35900; } .sy-spec-stat.zone-4 .v { color: #b3261e; }
.sy-spec-plotwrap { border: 1px solid var(--line-2); border-radius: 10px; background: #fff; padding: 8px 10px 4px; margin-bottom: 10px; }
.sy-spec-plotwrap .sy-spec { margin: 0; }
.sy-spec-svg { width: 100%; height: auto; display: block; max-height: 340px; font-family: var(--sy-font-mono); }
.sy-spec-svg .sp-grid, .sy-tg-svg .sp-grid { stroke: #e9ebef; stroke-width: 1; } .sy-spec-svg .sp-grid-minor, .sy-tg-svg .sp-grid-minor { stroke: #f2f3f5; stroke-width: .7; }
.sy-spec-svg .sp-axis, .sy-tg-svg .sp-axis { stroke: #9aa0aa; stroke-width: 1; } .sy-spec-svg .sp-tick, .sy-tg-svg .sp-tick { fill: #5d6470; font-size: 10px; } .sy-spec-svg .sp-axis-t, .sy-tg-svg .sp-axis-t { fill: #3b4250; font-size: 10.5px; font-weight: 600; letter-spacing: .02em; }
.sy-spec-svg .sp-area, .sy-tg-svg .sp-area { fill: url(#spGrad); } .sy-spec-svg .sp-line, .sy-tg-svg .sp-line { fill: none; stroke: #d9341b; stroke-width: 2.4; stroke-linejoin: round; stroke-linecap: round; }
.sy-spec-svg .sp-line-shadow, .sy-tg-svg .sp-line-shadow { fill: none; stroke: #d9341b; stroke-opacity: .18; stroke-width: 7; stroke-linejoin: round; stroke-linecap: round; }
.sy-spec-svg .sp-dot, .sy-tg-svg .sp-dot { fill: #fff; stroke: #d9341b; stroke-width: 1.8; } .sy-spec-svg .sp-key, .sy-tg-svg .sp-key { fill: #fff; stroke: #1f2d4d; stroke-width: 1.6; }
.sy-spec-svg .sp-guide, .sy-tg-svg .sp-guide { stroke: #1f2d4d; stroke-width: 1; stroke-dasharray: 3 3; opacity: .7; } .sy-spec-svg .sp-lab, .sy-tg-svg .sp-lab { fill: #1f2d4d; font-size: 10px; font-weight: 600; }
.sy-spec-svg .sp-lab-bg, .sy-tg-svg .sp-lab-bg { fill: #fff; fill-opacity: .92; stroke: #d8dbe2; stroke-width: .6; rx: 3; }
.sy-spec-svg .sp-title, .sy-tg-svg .sp-title { fill: #1f2d4d; font-size: 12.5px; font-weight: 700; font-family: var(--sy-font, inherit); } .sy-spec-svg .sp-sub, .sy-tg-svg .sp-sub { fill: #667085; font-size: 10px; }
.sy-spec-svg .sp-plateau, .sy-tg-svg .sp-plateau { stroke: #1f2d4d; stroke-width: 1; stroke-dasharray: 2 3; opacity: .55; }

/* rev 44 · interactive bearing top view + editor */
.sy-brgtop-bar { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 2px 0 6px; flex-wrap: wrap; }
.sy-brgtop-bar .sy-btn-group { display: inline-flex; gap: 4px; }
.sy-brgtop-canvas { cursor: grab; } .sy-brgtop-canvas:active { cursor: grabbing; }
.sy-brgtop .brg-hit:hover polygon { stroke-width: 2; stroke: #0b57d0; }
.sy-brg-chips { margin-top: 6px; font-size: 11.5px; line-height: 1.9; }
.sy-chip { display: inline-block; border: 1px solid var(--line-2); border-radius: 12px; padding: 0 8px; background: var(--bg, #fafaf8); cursor: pointer; font-family: var(--sy-font-mono); font-size: 11px; }
.sy-chip:hover { border-color: #0b57d0; } .sy-chip .sy-x { margin-left: 4px; }
.sy-brg-edit { margin-top: 8px; border: 1px solid #0b57d0; border-radius: 10px; padding: 8px 12px 10px; background: #fff; box-shadow: 0 6px 18px rgba(15, 30, 60, .12); }
.sy-brg-edit .sy-row4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 0 12px; }
.sy-brg-edit .sy-btnrow { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 4px; }
.sy-top-card #layTopHost { max-width: 700px; }

/* rev 45 · temperature gradient */
.sy-site-card .sy-h3 { margin: 12px 0 2px; font-size: 12.5px; font-weight: 700; color: var(--text); }
.sy-site-card .sy-h3 .u { font-weight: 400; margin-left: 6px; }
.sy-tg-plotwrap { margin-top: 8px; }
.sy-tg-svg { width: 100%; height: auto; display: block; max-height: 320px; font-family: var(--sy-font-mono); }
.sy-tg-svg .tg-pos { fill: rgba(217, 52, 27, .18); stroke: #d9341b; stroke-width: 2; stroke-linejoin: round; }
.sy-tg-svg .tg-neg { fill: rgba(31, 143, 208, .16); stroke: #1f8fd0; stroke-width: 2; stroke-linejoin: round; }
.sy-tg-svg .tg-sec { fill: #f1efe8; stroke: #1f2d4d; stroke-width: 1; } .sy-tg-svg .tg-deck { fill: #e3e0d6; stroke: #1f2d4d; stroke-width: .6; }
/* rev 46 · support-type card sections A–D, module D spring model */
.sy-h3-sec { display: flex; align-items: center; gap: 8px; margin: 16px 0 4px; padding-top: 10px; border-top: 1px solid var(--line-2); font-size: 12.5px; font-weight: 700; letter-spacing: .02em; text-transform: uppercase; color: var(--text); }
.sy-h3-sec .u { text-transform: none; font-weight: 400; letter-spacing: 0; }
.sy-card-pt .sy-brgtop-wrap { margin-top: 4px; }
#brgTopD svg { max-width: 760px; }

/* rev 47 · pier library block, arrangement rows */
.sy-label-wide { grid-column: 1 / -1; }
.sy-lib-title { display: block; margin-bottom: 4px; }
.sy-lib-grid { display: grid; grid-template-columns: minmax(240px, 3fr) repeat(3, minmax(96px, 1fr)) auto; gap: 8px 10px; align-items: end; }
.sy-lib-f { display: flex; flex-direction: column; gap: 3px; } .sy-lib-f .k { font-size: 11.5px; color: var(--text-2); }
.sy-lib-f select, .sy-lib-f input { width: 100%; box-sizing: border-box; }
.sy-arr-rows { display: flex; flex-direction: column; gap: 4px; margin: 4px 0 6px; }
.sy-arr-row { display: grid; grid-template-columns: 120px minmax(200px, 1fr) auto auto; gap: 6px; align-items: center; font-size: 12px; }
.sy-arr-row input, .sy-arr-row select { width: 100%; box-sizing: border-box; }
.sy-arr-row .sy-inline { white-space: nowrap; }
@media (max-width: 900px) { .sy-lib-grid { grid-template-columns: 1fr 1fr; } }

/* rev 48 · accessories table + spring-model editor */
.sy-tablewrap-acc { max-height: 360px; overflow: auto; border: 1px solid var(--line-2); border-radius: 8px; margin-bottom: 8px; }
#feAccTable tr.acc-row { cursor: pointer; } #feAccTable tr.acc-row:hover td { background: #f3f6fb; } #feAccTable tr.acc-row.on td { background: #e8f0fb; }
#feAccTable td.mono { font-family: var(--sy-font-mono); font-size: 11px; }
.sy-spr-edit { border: 1px solid #0b57d0; border-radius: 10px; padding: 8px 12px 10px; background: #fff; box-shadow: 0 6px 18px rgba(15, 30, 60, .12); margin-bottom: 10px; }
.sy-spr-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 10px 18px; }
.sy-spr-params { display: grid; grid-template-columns: 1fr 110px; gap: 4px 8px; align-items: center; font-size: 12px; }
.sy-spr-params .k { color: var(--text-2); } .sy-spr-params .k .u { display: block; font-size: 10.5px; }
.sy-spr-params input, .sy-spr-params select { width: 100%; box-sizing: border-box; }
.sy-spr-plot svg { width: 100%; height: auto; display: block; border: 1px solid var(--line-2); border-radius: 8px; background: #fff; }
.sy-spr-derived { margin-top: 6px; } .sy-spr-ref { font-size: 11px; color: var(--text-2); margin-top: 6px; }
.sy-brgtop .acc-hit { cursor: pointer; } .sy-brgtop .acc-hit:hover line, .sy-brgtop .acc-hit:hover polygon, .sy-brgtop .acc-hit:hover rect { stroke: #0b57d0; stroke-width: 2; }
@media (max-width: 900px) { .sy-spr-grid { grid-template-columns: 1fr; } }

/* rev 48b · simple by default: field hints hidden until ticked; editor picture + curve first */
.sy-card-pt.sy-hints-off label > .u, .sy-card-pt.sy-hints-off .sy-lib-title > .u, .sy-card-pt.sy-hints-off .sy-h3-sec > .u, .sy-card-pt.sy-hints-off .sy-brgtop-wrap .sy-modhead .u, .sy-card-pt.sy-hints-off .sy-brgtop-bar > .u { display: none; }
.sy-hint-toggle { margin-right: auto; font-size: 11.5px; color: var(--text-2); }
.sy-spr-top { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 10px 16px; align-items: start; } .sy-spr-top > * { min-width: 0; }
.sy-spr-left label { margin-bottom: 6px; } .sy-spr-schema { width: 100%; max-width: 220px; height: auto; display: block; margin: 6px auto; }
.sy-spr-key { margin: 6px 0 0; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); }
.sy-spr-adv { margin-top: 8px; border-top: 1px dashed var(--line-2); padding-top: 4px; }
@media (max-width: 900px) { .sy-spr-top { grid-template-columns: 1fr; } }
/* rev 49 · seismic device rows */
.sy-buf-row { grid-template-columns: minmax(200px, 1.4fr) 80px 110px minmax(280px, 2fr) auto; }
.sy-buf-dims { display: inline-flex; align-items: center; gap: 4px; flex-wrap: wrap; } .sy-buf-dims .u { font-size: 10.5px; }
.sy-buf-dims input { width: auto; }

.sy-adv-toggle { margin-top: 6px; } .sy-brg-adv { border-left: 3px solid var(--line-2); padding-left: 10px; margin: 4px 0 8px; }
/* rev 52 · bearing & accessory library (7 · D) and the assignment selects of step 5 */
.sy-lib-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 6px 0 8px; }
.sy-lib-bar .sy-inline select { margin-left: 6px; }
#libRows tr.lib-row { cursor: pointer; } #libRows tr.lib-row.on td { background: #eef4ff; }
.sy-spr-eq { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 11.5px; color: #1f2d4d; background: #f4f6fa; border-left: 3px solid #0b57d0; padding: 5px 8px; margin: 6px 0; border-radius: 0 6px 6px 0; }
.sy-label-wide2 { grid-column: span 2; }
.sy-be-advtoggle { grid-column: 1 / -1; color: #555; }
.sy-warn { color: #b3261e; }
.sy-arr-row select[data-ar="spring"] { max-width: 220px; }
#lRestModel, #lBufModel { max-width: 220px; }
/* rev 54 · device / restrainer cards and the click zones between bearing lines */
.sy-brgtop .gap-hit { cursor: copy; } .sy-brgtop .gap-hit:hover polygon { fill-opacity: .12; stroke: #1f7a3a; stroke-width: 1; stroke-dasharray: 3 2; }
.sy-acc-card { border-color: #1f7a3a; }
.sy-be-dev { flex-wrap: wrap; row-gap: 6px; } .sy-be-dev select { max-width: 230px; }
/* rev 55 · selected element while its card is open */
.sy-brgtop .acc-hit.sel polygon, .sy-brgtop .acc-hit.sel line, .sy-brgtop .acc-hit.sel circle, .sy-brgtop .acc-hit.sel rect { stroke: #d9341b !important; stroke-width: 2.5 !important; }
.sy-brgtop .brg-hit.sel > polygon:last-of-type { stroke: #d9341b; stroke-width: 1.6; }
/* rev 58 · bearing editor in three sections: bearing · restrainer · seismic buffer */
.sy-brg-edit { padding: 10px 14px 12px; }
.sy-be-sec { border: 1px solid var(--line-2, #dfe3ea); border-radius: 10px; padding: 8px 12px 10px; margin-top: 8px; background: #fbfcfe; }
.sy-be-head { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 13px; color: #1f2d4d; margin-bottom: 6px; flex-wrap: wrap; }
.sy-be-head .u { font-weight: 400; }
.sy-be-ico { display: inline-flex; width: 20px; height: 20px; border-radius: 50%; background: #0b57d0; color: #fff; font-size: 11px; align-items: center; justify-content: center; font-weight: 700; }
.sy-be-ico-r { background: #1f7a3a; } .sy-be-ico-b { background: #b3261e; }
.sy-be-head .sy-be-on, .sy-be-head .sy-be-advtoggle { margin-left: auto; font-weight: 500; color: #333; }
.sy-be-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 2px 14px; }
.sy-be-grid label { margin-bottom: 4px; } .sy-be-grid input[type=number] { width: 100%; box-sizing: border-box; } .sy-be-grid .sy-inline-group input[type=number] { width: 0; flex: 1 1 60px; min-width: 56px; }
.sy-be-span2 { grid-column: span 2; }
.sy-be-off { opacity: .45; pointer-events: none; } .sy-be-off select, .sy-be-off input { background: #f4f5f7; }
.sy-be-foot { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--line-2, #dfe3ea); }
.sy-be-foot .sy-inline select { margin-left: 6px; max-width: 320px; }
/* rev 61 · step 5 · E expansion joints */
.sy-site-ico-inline { vertical-align: middle; margin-right: 6px; }
.sy-ej-svg { width: 100%; height: auto; display: block; border: 1px solid var(--line-2, #dfe3ea); border-radius: 8px; background: #fff; }
.sy-ej-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 10px; margin: 6px 0 10px; }
.sy-ej-tile { border: 1px solid var(--line-2, #dfe3ea); border-radius: 10px; padding: 8px 10px; background: #fbfcfe; font-size: 12px; }
.sy-ej-tile p { margin: 4px 0 0; color: #333; line-height: 1.4; } .sy-ej-tile-t { margin-top: 4px; color: #1f2d4d; }
.sy-ej-tile-text { background: #f4f6fa; } .sy-ej-tile-text p { margin-top: 6px; }
.sy-ej-edit { border-color: #8a6d00; } .sy-ej-text { margin: 6px 0 0; }
#ejRows tr.ej-row { cursor: pointer; } #ejRows tr.ej-row.on td { background: #fff8e1; }
#supTable select[data-k="jointRef"] { max-width: 150px; display: block; margin-top: 2px; }
/* rev 63 · C tendons */
.sy-td-edit { border-color: #1f7a3a; } .sy-td-svg { width: 100%; height: auto; display: block; border: 1px solid var(--line-2, #dfe3ea); border-radius: 8px; background: #fff; }
.sy-td-view { margin: 8px 0; } .sy-td-cp-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-weight: 600; font-size: 12.5px; color: #1f2d4d; margin: 8px 0 4px; } .sy-td-cp-head .u { font-weight: 400; } .sy-td-cp-head .sy-btn-group { margin-left: auto; }
.sy-td-cps .sy-td-cp { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; } .sy-td-cps .sy-td-cp select { max-width: 170px; }
.sy-td-issues { margin-top: 6px; font-size: 12px; line-height: 1.5; } .sy-td-svg .td-cp { cursor: pointer; }
#tdRows tr.td-row { cursor: pointer; } #tdRows tr.td-row.on td { background: #eaf6ee; }

/* rev 64 · tendon profile families */
.sy-td-angles{display:flex;flex-wrap:wrap;gap:4px;margin:6px 0 2px}
.sy-td-angles .sy-chip{cursor:default;font-size:11px;background:#eef1f6;border:1px solid #d3d8e3;border-radius:10px;padding:1px 8px;color:#1f2d4d}
.sy-td-dev .u.mono{min-width:150px}
.sy-td-dev input{width:60px!important}

/* rev 68 · H analysis classes */
/* rev 99 · 7 · H analysis — modern option cards */
.sy-an-class { border: 1px solid #e3e8f0; border-radius: 14px; padding: 12px 14px 12px; margin: 8px 0 12px; background: #fff; box-shadow: 0 1px 2px rgba(15, 30, 60, .04); }
.sy-an-classhead { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; } .sy-an-classtxt { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; font-size: 13.5px; color: #1f2d4d; } .sy-an-classtxt .u { font-weight: 400; }
.sy-an-k { font-size: 11px; font-weight: 700; letter-spacing: .04em; padding: 2px 8px; border-radius: 7px; background: #0b57d0; color: #fff; }
.sy-switch { position: relative; display: inline-block; width: 38px; height: 22px; flex: 0 0 auto; } .sy-switch input { opacity: 0; width: 0; height: 0; position: absolute; } .sy-switch-ui { position: absolute; inset: 0; border-radius: 22px; background: #cfd6e2; transition: background .15s; cursor: pointer; } .sy-switch-ui::after { content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .25); transition: transform .15s; } .sy-switch input:checked + .sy-switch-ui { background: #0b57d0; } .sy-switch input:checked + .sy-switch-ui::after { transform: translateX(16px); } .sy-switch input:focus-visible + .sy-switch-ui { outline: 2px solid #9cc0ff; }
.sy-an-guide { font-size: 11.5px; color: #334155; background: #f7f9fc; border: 1px solid #e3e8f0; border-radius: 10px; padding: 6px 12px; margin: 4px 0 10px; line-height: 1.5; } .sy-an-guide summary { cursor: pointer; font-weight: 600; color: #1f2d4d; font-size: 12px; } .sy-an-guide[open] summary { margin-bottom: 4px; } .sy-an-guide b { color: #1f2d4d; }
.sy-an-types { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 8px; margin: 6px 0 4px; }
.sy-an-types label.sy-an-opt, .sy-an-opt { position: relative; display: grid !important; flex-direction: initial; grid-template-columns: auto 1fr auto; gap: 10px; align-items: start; padding: 10px 12px; border: 1px solid #e3e8f0; border-radius: 12px; background: #fff; cursor: pointer; transition: border-color .12s, box-shadow .12s, background .12s; text-align: left; }
.sy-an-opt:hover { border-color: #b9c8e6; box-shadow: 0 2px 8px rgba(15, 30, 60, .08); } .sy-an-opt.on { border-color: #0b57d0; background: #f3f7ff; } .sy-an-opt input { position: absolute; opacity: 0; width: 0; height: 0; }
.sy-an-box { display: block; width: 16px; min-width: 16px; height: 16px; box-sizing: border-box; border-radius: 5px; border: 1.5px solid #9aa6bb; margin-top: 2px; background: #fff; position: relative; flex: 0 0 auto; } .sy-an-opt.on .sy-an-box { background: #0b57d0; border-color: #0b57d0; } .sy-an-opt.on .sy-an-box::after { content: ''; position: absolute; left: 4.5px; top: 1.5px; width: 4px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.sy-an-item .sy-an-box { border-radius: 50%; } .sy-an-item { cursor: default; }
.sy-an-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; } .sy-an-body .t { font-size: 12.5px; font-weight: 600; color: #1f2d4d; } .sy-an-body .s { font-size: 11.5px; color: #3b4659; } .sy-an-body .d { font-size: 11px; color: #6b7280; line-height: 1.4; }
.sy-an-badge { font-size: 10px; font-weight: 700; letter-spacing: .03em; padding: 2px 8px; border-radius: 999px; white-space: nowrap; align-self: start; } .sy-an-badge.A { background: #e6f4ea; color: #1f7a3a; } .sy-an-badge.B { background: #fff4e5; color: #9a5b00; } .sy-an-badge.C { background: #fde8e6; color: #b3261e; }
.sy-an-types .sub { grid-column: 1 / -1; color: #6b7280; font-size: 11.5px; }
.sy-an-eig label { display: flex; flex-direction: row !important; align-items: center; gap: 6px; } .sy-an-eig { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; margin: 10px 0 2px; padding: 8px 12px; border-radius: 10px; background: #f7f9fc; font-size: 12px; }
#anRunOpts { flex-direction: column; align-items: stretch; gap: 6px; margin: 12px 0 8px; border: 1px solid var(--sy-line, #e3e7ea); }
.sy-an-runrow { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.sy-an-runrow .sy-an-notify { margin-left: 0; } .sy-an-eig input[type=number] { margin: 0 4px; }
.sy-an-set { margin-top: 4px; }
.sy-an-credit { margin: 10px 0; padding: 10px 14px; border-radius: 10px; background: #eef6ee; border: 1px solid #bfe0c4; color: #1f4d2a; font-size: 12px; } .sy-an-credit.warn { background: #fff4e5; border-color: #f3c98b; color: #7a4b00; } .sy-an-credit b { font-weight: 600; }
/* rev 77: parametric section editor */
.sy-ps { display: grid; grid-template-columns: minmax(380px, 1fr) minmax(360px, 1fr); gap: 16px; margin: 8px 0 12px; }
@media (max-width: 1100px) { .sy-ps { grid-template-columns: 1fr; } }
.sy-ps-head { font-weight: 600; font-size: 13px; margin: 2px 0 6px; color: var(--ink, #1f2d4d); }
.sy-ps-head .u { font-weight: 400; }
.sy-ps-svg { width: 100%; height: auto; display: block; border: 1px solid var(--line-2, #dfe3ea); border-radius: 8px; background: #fff; }
.sy-ps-slider { display: flex; align-items: center; gap: 8px; margin: 8px 0; font-size: 12px; color: #555; }
.sy-ps-slider input[type=range] { flex: 1; accent-color: #d9341b; }
.sy-ps-slider b { font-weight: 600; color: var(--ink, #1f2d4d); white-space: nowrap; }
.sy-ps-dim { stroke: #1f2d4d; stroke-width: .7; } .sy-ps-dt { font-size: 8.5px; fill: #1f2d4d; font-family: ui-monospace, monospace; } .sy-ps-t { font-size: 7px; fill: #777; }
.sy-ps-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 10px; align-items: center; padding: 8px 10px; border: 1px solid var(--line-2, #dfe3ea); border-left: 4px solid var(--c, #1f2d4d); border-radius: 8px; background: #fff; margin-bottom: 8px; }
.sy-ps-vals { grid-column: 1; } .sy-ps-laws { grid-column: 2; flex-wrap: nowrap; justify-content: flex-end; } .sy-ps-sparkbox { width: 150px; } .sy-ps.narrow { grid-template-columns: 1fr; } .sy-ps.narrow .sy-ps-row { grid-template-columns: 1fr 1fr; } .sy-ps.narrow .sy-ps-laws { grid-column: 1 / -1; flex-wrap: wrap; justify-content: flex-start; }
.sy-ps-conc { fill: #eceae3; stroke: #1f2d4d; stroke-width: .8; } .sy-ps-void { fill: #fff; stroke: #1f2d4d; stroke-width: .6; }
.sy-ps-name b { font-size: 13px; } .sy-ps-name .u { display: block; font-size: 11px; } .sy-ps-now { font-size: 11.5px; color: #555; margin-top: 2px; } .sy-ps-now b { color: var(--c, #1f2d4d); }
.sy-ps-vals { display: flex; gap: 8px; } .sy-ps-vals label { font-size: 11px; color: #666; display: flex; flex-direction: column; gap: 2px; } .sy-ps-vals input { width: 68px; }
.sy-ps-laws { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.sy-ps-law { display: flex; flex-direction: column; align-items: center; gap: 1px; padding: 3px 5px; border: 1px solid var(--line-2, #dfe3ea); border-radius: 6px; background: #f7f8fa; font-size: 9.5px; color: #444; cursor: pointer; min-width: 40px; }
.sy-ps-law:hover { border-color: #1f2d4d; } .sy-ps-law.sel { background: var(--c, #1f2d4d); border-color: var(--c, #1f2d4d); color: #fff; }
.sy-ps-ico { width: 28px; height: 16px; display: block; }
.sy-ps-n { font-size: 11px; color: #666; display: flex; align-items: center; gap: 4px; margin-left: 4px; } .sy-ps-n input { width: 54px; }
.sy-ps-spark { width: 100%; height: auto; display: block; background: #fafbfc; border-radius: 6px; }
.sy-ps-nums { margin: 4px 0 10px; font-size: 12px; } .sy-ps-nums summary { cursor: pointer; color: #555; }
#lBoxVary, label.sy-be-advtoggle { grid-column: 1 / -1; } .sy-ps-nums .sy-row3 { margin-top: 6px; }
.sy-ps-rib { fill: #e9e2f7; stroke: #7a4bd6; stroke-width: .8; }
.sy-ps-roles { float: right; display: inline-flex; gap: 2px; } .sy-ps-role { font-size: 11px; padding: 2px 8px; border: 1px solid var(--line-2, #dfe3ea); background: #f7f8fa; border-radius: 6px; cursor: pointer; } .sy-ps-role.sel { background: #1f2d4d; color: #fff; border-color: #1f2d4d; }
.sy-ps-zones { font-size: 12px; width: 100%; } .sy-ps-zones select { max-width: 200px; min-width: 120px; } .sy-ps-zones input[type=number] { width: 62px; } .sy-ps-zones td.d { white-space: nowrap; color: #555; }
/* rev 80: SY Parametric Sectional Editor header + switch */
.sy-pse-head { display: flex; align-items: center; gap: 10px; margin: 12px 0 6px; padding: 8px 12px; border: 1px solid var(--line-2, #dfe3ea); border-left: 4px solid #0b57d0; border-radius: 8px; background: linear-gradient(90deg, #f3f6fc, #fff); grid-column: 1 / -1; }
.sy-pse-badge { display: inline-flex; width: 28px; height: 28px; border-radius: 7px; background: #0b57d0; color: #fff; font-weight: 800; font-size: 11px; letter-spacing: .5px; align-items: center; justify-content: center; flex: 0 0 auto; }
.sy-pse-title { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; } .sy-pse-title b { font-size: 13.5px; color: #1f2d4d; letter-spacing: .2px; } .sy-pse-title .u { font-size: 11px; }
.sy-switch { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; cursor: pointer; font-size: 11.5px; color: #444; user-select: none; }
.sy-switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.sy-switch-track { display: inline-block; width: 34px; height: 18px; border-radius: 9px; background: #c9d0dc; position: relative; transition: background .15s; flex: 0 0 auto; }
.sy-switch-track::after { content: ''; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.25); transition: left .15s; }
.sy-switch input:checked + .sy-switch-track { background: #0b57d0; } .sy-switch input:checked + .sy-switch-track::after { left: 18px; }
.sy-switch { flex: 0 0 auto; white-space: nowrap; padding-left: 8px; } .sy-switch-txt { min-width: 32px; text-align: right; } .sy-pse-title { flex: 1 1 auto; }
.sy-ps-gname { width: 120px; font-family: ui-monospace, monospace; font-size: 11.5px; }
.sy-ps-unit { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; padding: 8px 10px; margin-top: 8px; border: 1px solid #0b7a75; border-left: 4px solid #0b7a75; border-radius: 8px; background: #f0f8f7; font-size: 12.5px; }
.sy-ps-unit label { display: flex; flex-direction: column; font-size: 11px; color: #555; } .sy-ps-unit input, .sy-ps-unit select { font-size: 12px; } .sy-ps-unit input[type=number] { width: 90px; }
.sy-ps-zones td.c { text-align: center; }
.sy-tr-card { border: 1px solid var(--line-2, #dfe3ea); border-left: 4px solid #0b57d0; border-radius: 8px; padding: 8px 12px; margin-bottom: 8px; background: #fff; display: grid; grid-template-columns: 1fr auto; gap: 6px 14px; align-items: center; }
.sy-tr-card .sy-tr-w { display: flex; gap: 10px; flex-wrap: wrap; } .sy-tr-card .sy-tr-w label { font-size: 11px; color: #555; display: flex; flex-direction: column; } .sy-tr-card .sy-tr-w input { width: 80px; }
/* ---- rev 85 · 7 · T Transverse Analysis & Design: strip list, editor (viewer + step panel), 7 · F part headers — clean, modern */
.sy-tr-list th { white-space: nowrap; } .sy-tr-list td { vertical-align: middle; } .sy-tr-list tr.sy-tr-sel td { background: #eef3fb; }
.sy-tr-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.sy-tr-btns { white-space: nowrap; text-align: right; } .sy-tr-btns .sy-btn { margin-left: 4px; } .sy-tr-ok { color: #1f7a3a; font-weight: 600; }
.sy-btn-primary { background: #0b57d0; border-color: #0b57d0; color: #fff; } .sy-btn-primary:hover { background: #0947ad; border-color: #0947ad; }
.sy-tr-ed { container-type: inline-size; container-name: tred; margin-top: 12px; border: 1px solid var(--line-2, #dfe3ea); border-radius: 12px; background: #fff; padding: 10px 12px 12px; box-shadow: 0 2px 10px rgba(31,45,77,.05); }
.sy-tr-ed .sy-pse-head { margin: 0 0 10px; }
.sy-tr-views { display: inline-flex; align-items: center; gap: 3px; flex-wrap: wrap; justify-content: flex-end; } .sy-tr-sep { width: 1px; height: 18px; background: var(--line-2, #dfe3ea); margin: 0 5px; } .sy-tr-xray { font-size: 11px; margin-left: 6px; color: #555; }
.sy-tr-body { display: grid; grid-template-columns: minmax(420px, 1.15fr) minmax(380px, 1fr); gap: 14px; align-items: start; }
@container tred (max-width: 900px) { .sy-tr-body { grid-template-columns: 1fr; } }
.sy-split.sy-zoned.tr-wide:not(.expanded):not(.view-hidden) { grid-template-columns: minmax(340px, 74%) 26px minmax(260px, 1fr); } /* the transverse editor takes the width while it is open */
.sy-tr-view { border: 1px solid var(--line-2, #dfe3ea); border-radius: 10px; background: #f8fafd; overflow: hidden; min-height: 420px; position: relative; }
.sy-tr-view #tr3d { height: 440px; } .sy-tr-view .sy-tr-legend { padding: 6px 10px; font-size: 11px; color: #666; border-top: 1px solid var(--line-2, #dfe3ea); background: #fff; }
.sy-tr-svg { width: 100%; height: 440px; display: block; cursor: grab; font-family: var(--sy-font, system-ui, sans-serif); }
.sy-tr-svg:active { cursor: grabbing; }
.sy-tr-conc { fill: #e7ecf4; stroke: #8f9bb3; stroke-width: 1.5; } .sy-tr-conc.xray { fill: rgba(231,236,244,.35); stroke-dasharray: 4 3; } .sy-tr-void { fill: #f8fafd; stroke: #8f9bb3; stroke-width: 1; }
.sy-tr-girder { fill: #e7ecf4; stroke: #8f9bb3; stroke-width: 1.2; }
.sy-tr-mem { stroke-linecap: round; opacity: .95; cursor: pointer; } .sy-tr-mem:hover { opacity: .6; }
.sy-tr-node { fill: #fff; stroke: #1f2d4d; stroke-width: 1.2; } .sy-tr-node.hit { cursor: pointer; fill: #ffe9a8; stroke: #b7791f; stroke-width: 1.5; } .sy-tr-node.hit:hover { fill: #f6c445; }
.sy-tr-lane { fill: #ffe9a8; opacity: .75; } .sy-tr-lane.alt { fill: #d7ecff; } .sy-tr-bar { fill: #d9dde6; stroke: #8f9bb3; stroke-width: 1; }
.sy-tr-tendon { fill: none; stroke: #1f7a3a; stroke-width: 2.5; stroke-linejoin: round; } .sy-tr-tendon.sel { stroke: #d9341b; stroke-width: 3.5; }
.sy-tr-t { font-size: 11px; fill: #44506b; } .sy-tr-t.strong { font-weight: 600; fill: #1f2d4d; } .sy-tr-dim { stroke: #8f9bb3; stroke-width: 1; stroke-dasharray: 3 3; }
.sy-tr-diag { stroke-width: 1; opacity: .55; } .sy-tr-diag.pos { fill: #9fc1f5; stroke: #0b57d0; } .sy-tr-diag.neg { fill: #f7b6a8; stroke: #d9341b; }
.sy-tr-panel { min-width: 0; }
.sy-tr-tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1px solid var(--line-2, #dfe3ea); }
.sy-tr-tab { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 5px 10px 5px 6px; border: 1px solid var(--line-2, #dfe3ea); background: #f7f8fa; border-radius: 8px; cursor: pointer; color: #44506b; transition: .15s; }
.sy-tr-tab .k { width: 20px; height: 20px; border-radius: 6px; background: #fff; border: 1px solid var(--line-2, #dfe3ea); display: inline-grid; place-items: center; font-family: var(--sy-font-mono, monospace); font-size: 11px; color: #1f2d4d; }
.sy-tr-tab:hover { background: #eef3fb; } .sy-tr-tab.sel { background: #1f2d4d; border-color: #1f2d4d; color: #fff; } .sy-tr-tab.sel .k { background: #0b57d0; border-color: #0b57d0; color: #fff; }
.sy-tr-sec { font-size: 12.5px; } .sy-tr-sec > b { display: block; font-size: 13px; color: #1f2d4d; margin: 4px 0 2px; } .sy-tr-sec > .u { display: block; margin-bottom: 8px; }
.sy-tr-sec .sy-row3 { margin: 6px 0; } .sy-tr-sec table { margin: 6px 0 8px; } .sy-tr-sec input[type="number"], .sy-tr-sec input[type="text"], .sy-tr-sec select { padding: 4px 6px; font-size: 12px; }
.sy-tr-sec td input, .sy-tr-sec td select { margin-top: 0; width: auto; } .sy-tr-sec textarea { width: 100%; font-family: var(--sy-font-mono, monospace); font-size: 11.5px; }
.sy-tr-pts input { width: 80px !important; } .sy-tr-res td { text-align: right; font-variant-numeric: tabular-nums; } .sy-tr-res td:first-child { text-align: left; }
.sy-tr-check { margin-top: 10px; border: 1px solid var(--line-2, #dfe3ea); border-radius: 10px; padding: 8px 10px; background: #fbfcfe; } .sy-tr-check > b { font-size: 12.5px; color: #1f2d4d; }
.sy-tr-check tr td:first-child { width: 18px; font-weight: 700; text-align: center; } tr.sy-tr-ok td:first-child { color: #1f7a3a; } tr.sy-tr-warn td:first-child { color: #b7791f; } tr.sy-tr-error td:first-child { color: #d9341b; } tr.sy-tr-error td { background: #fff4f2; }
.sy-h3-part { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: #1f2d4d; margin: 14px 0 6px; padding: 7px 10px; border: 1px solid var(--line-2, #dfe3ea); border-left: 4px solid #0b57d0; border-radius: 8px; background: linear-gradient(90deg, #f3f6fc, #fff); }
.sy-h3-part .k { width: 20px; height: 20px; border-radius: 6px; background: #1f2d4d; color: #fff; display: inline-grid; place-items: center; font-family: var(--sy-font-mono, monospace); font-size: 11px; } .sy-h3-part .u { font-weight: 400; font-size: 11px; color: #666; }
.sy-an-sel { max-width: 210px; font-size: 11px; }
.sy-tr-hit { stroke: transparent; stroke-width: 16; cursor: pointer; } .sy-tr-hit:hover { stroke: rgba(11,87,208,.12); }
.sy-tablewrap-x { overflow-x: auto; max-width: 100%; margin: 4px 0 8px; border-radius: 8px; }
.sy-tablewrap-x > table { min-width: 100%; }
.sy-tr-check td, .sy-tr-sec td, .sy-tr-list td { text-align: left; font-family: inherit; white-space: normal; } .sy-tr-check td.u { color: #666; }
.sy-tr-sec { overflow-x: auto; } .sy-tr-res td, .sy-tr-list td.sy-tr-btns { white-space: nowrap; }
/* ---- rev 86 · 7 · T: lane / load highlight, reinforcement, tendon losses, results sub-views (limit states · fibre stresses · capacity) */
.sy-tr-lane { cursor: pointer; } .sy-tr-lane.sel { fill: #f6a623; opacity: .95; } .sy-tr-lane:hover { opacity: 1; }
.sy-tr-load { cursor: pointer; } .sy-tr-load.hi line { stroke-width: 3; }
.sy-tr-rebar { stroke-dasharray: 2.5 3; opacity: .9; } .sy-tr-rebar.top { stroke: #b7791f; } .sy-tr-rebar.bot { stroke: #7a1fa2; }
.sy-tr-lanerow, .sy-tr-sec [data-trlrow] { cursor: pointer; } .sy-tr-sec tr.sy-tr-sel td { background: #fff3dc; }
.sy-tr-rviews { display: flex; gap: 4px; flex-wrap: wrap; margin: 0 0 8px; } .sy-tr-rviews .sy-ps-role { font-size: 12px; padding: 4px 10px; }
.sy-tr-loss { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 11.5px; color: #44506b; margin: 4px 0 6px; padding: 6px 10px; background: #f3f6fc; border-radius: 8px; } .sy-tr-loss b { color: #1f2d4d; }
.sy-tr-pp, .sy-tr-sc { width: 100%; height: auto; display: block; font-family: var(--sy-font, system-ui, sans-serif); } .sy-tr-pplot, .sy-tr-chart { border: 1px solid var(--line-2, #dfe3ea); border-radius: 8px; background: #fff; padding: 4px 6px; margin: 4px 0 8px; }
.sy-tr-pp .ax, .sy-tr-sc .ax { stroke: #8f9bb3; stroke-width: 1; } .sy-tr-pp .pj { stroke: #9aa3b5; stroke-dasharray: 3 3; } .sy-tr-pp .t, .sy-tr-sc .t { font-size: 10px; fill: #44506b; }
.sy-tr-pp polyline { fill: none; stroke-width: 2; } .sy-tr-pp .p0, .sy-tr-pp tspan.p0 { stroke: #f28c28; fill: #f28c28; } .sy-tr-pp .p1, .sy-tr-pp tspan.p1 { stroke: #1f7a3a; fill: #1f7a3a; }
.sy-tr-sc .bg { fill: #fbfcfe; } .sy-tr-sc polyline { fill: none; stroke-width: 2; } .sy-tr-sc .top { stroke: #0b57d0; } .sy-tr-sc tspan.top { fill: #0b57d0; } .sy-tr-sc .bot { stroke: #d9341b; } .sy-tr-sc tspan.bot { fill: #d9341b; } .sy-tr-sc .na { stroke: #7a1fa2; stroke-dasharray: 4 3; stroke-width: 1.5; } .sy-tr-sc tspan.na { fill: #7a1fa2; }
.sy-tr-sc .cap { stroke: #0b57d0; } .sy-tr-sc tspan.cap { fill: #0b57d0; } .sy-tr-sc .capn { stroke: #d9341b; } .sy-tr-sc tspan.capn { fill: #d9341b; } .sy-tr-sc .dem { fill: rgba(31,45,77,.18); stroke: #1f2d4d; stroke-width: 1; } .sy-tr-sc tspan.demt { fill: #1f2d4d; } .sy-tr-sc .bad { fill: rgba(217,52,27,.14); } .sy-tr-sc tspan.badt { fill: #d9341b; }
.sy-tr-badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; } .sy-tr-badge.ok { background: #e3f4e8; color: #1f7a3a; } .sy-tr-badge.bad { background: #fde8e4; color: #b42318; }
.sy-tr-alerts { border: 1px solid #f3b7ad; background: #fff4f2; border-radius: 10px; padding: 8px 12px; margin: 6px 0 10px; font-size: 12px; } .sy-tr-alerts b { color: #b42318; } .sy-tr-alerts ul { margin: 4px 0 0 16px; padding: 0; } .sy-tr-alerts li { margin: 2px 0; }
.sy-tr-okline { color: #1f7a3a; font-weight: 600; font-size: 12.5px; margin: 6px 0 10px; }
.sy-tr-res td.sy-tr-bad { color: #b42318; font-weight: 700; } .sy-tr-res td.sy-tr-good { color: #1f7a3a; } .sy-tr-res td.sy-tr-tens { color: #b42318; }
/* ---- rev 87 · option cards (beams on the horizontal curve) — selectable cards, hidden radios */
.sy-gplan { margin-top: 10px; } .sy-gplan-head { font-size: 12.5px; font-weight: 600; color: #1f2d4d; margin-bottom: 6px; } .sy-gplan-head .u { font-weight: 400; }
.sy-gplan-opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 8px; }
.sy-opt-card { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--line-2, #dfe3ea); border-radius: 10px; background: #fff; cursor: pointer; transition: .15s; position: relative; }
.sy-opt-card:hover { border-color: #b9c6dd; background: #fbfcfe; } .sy-opt-card input { position: absolute; opacity: 0; width: 0; height: 0; margin: 0; }
.sy-opt-card:has(input:checked) { border-color: #0b57d0; background: #eef3fb; box-shadow: inset 0 0 0 1px #0b57d0; }
.sy-opt-ico { flex: 0 0 64px; height: 28px; } .sy-opt-ico svg { width: 64px; height: 28px; } .sy-opt-ico .c1 { fill: none; stroke: #c9d3e6; stroke-width: 1.5; stroke-dasharray: 3 2; } .sy-opt-ico .c2 { fill: none; stroke: #1f2d4d; stroke-width: 3; stroke-linecap: round; } .sy-opt-ico .c3 { fill: #0b57d0; }
.sy-opt-card:has(input:checked) .sy-opt-ico .c2 { stroke: #0b57d0; }
.sy-opt-txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; } .sy-opt-txt b { font-size: 12.5px; color: #1f2d4d; } .sy-opt-txt span { font-size: 11.5px; color: #555; line-height: 1.35; }
/* 7 · T polish: quieter tables, consistent inputs, section headings */
.sy-tr-sec table.sy-table th { font-size: 11px; letter-spacing: .2px; } .sy-tr-sec table.sy-table td { padding: 5px 8px; }
.sy-tr-sec input[type="number"], .sy-tr-sec input[type="text"], .sy-tr-sec select { border-radius: 7px; border: 1px solid var(--line-2, #dfe3ea); background: #fff; }
.sy-tr-sec input:focus, .sy-tr-sec select:focus { outline: none; border-color: #0b57d0; box-shadow: 0 0 0 3px rgba(11,87,208,.12); }
.sy-tr-sec .sy-actions-tight .sy-btn { border-radius: 8px; } .sy-tr-sec .sy-hint { line-height: 1.45; }
.sy-tr-ed .sy-pse-head { background: linear-gradient(90deg, #f3f6fc, #fff 60%); } .sy-tr-view { box-shadow: inset 0 1px 0 #fff; }
.sy-ps-midrow td { background: #fbfcfe; } .sy-ps-fam { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; } .sy-ps-fam::before { content: ''; width: 9px; height: 9px; border-radius: 50%; background: var(--c, #2f6a5a); }

/* rev 90 · zone list editor for every deck kind — family dot, Transverse toggle, × */
.sy-ps-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--c, #999); margin-right: 6px; vertical-align: middle; }
.sy-ps-tr { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px 3px 6px; border: 1px solid #cfd6e4; border-radius: 999px; background: #fff; cursor: pointer; font-size: 11.5px; color: #4a5570; user-select: none; white-space: nowrap; transition: background .15s, border-color .15s; }
.sy-ps-tr input { width: 15px; height: 15px; margin: 0; cursor: pointer; accent-color: #0b7a75; }
.sy-ps-tr:hover { border-color: #0b7a75; }
.sy-ps-tr.on { background: #e6f4f3; border-color: #0b7a75; color: #0b5f5b; font-weight: 600; }
.sy-ps-zones th:nth-child(6) { white-space: nowrap; }
.sy-btn-x { min-width: 26px; padding: 2px 6px; color: #b3261e; font-weight: 700; }
.sy-btn-x:hover { background: #fbe9e7; border-color: #b3261e; }

/* rev 91 · deck-on-girder parameter row · shear keys */
.sy-beamrow { background: #f7f9fc; border: 1px solid #e3e8f0; border-radius: 10px; padding: 10px 12px 6px; }
.sy-beam-head { margin-bottom: 4px; } .sy-beam-head b { font-size: 13px; color: #1f2d4d; }
.sy-beam-fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px 14px; grid-column: 1 / -1; }
.sy-beam-fields label { display: flex; flex-direction: column; gap: 3px; font-size: 12.5px; }
.pv-key { fill: #e8893a; fill-opacity: .85; stroke: #b35d12; stroke-width: .6; }
.pv-pt { stroke: #7a1fa2; stroke-width: 1.2; stroke-dasharray: 6 3; }

.sy-ps-deck { margin-bottom: 4px; border-bottom: 1px dashed #e3e8f0; }

/* rev 92 · movement capacity card (7 · D) */
.sy-mv-card { margin-top: 12px; border: 1px solid #e3e8f0; border-radius: 10px; padding: 10px 12px; background: #fbfcfe; }
.sy-mv-grid { display: grid; grid-template-columns: minmax(320px, 1.1fr) minmax(300px, 1fr); gap: 12px 18px; align-items: start; }
@media (max-width: 1100px) { .sy-mv-grid { grid-template-columns: 1fr; } }
.sy-mv-table td, .sy-mv-table th { text-align: center; white-space: nowrap; } .sy-mv-table tr.on td { background: #e6f4f3; font-weight: 600; color: #0b5f5b; }
.sy-mv-own .sy-row3 { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }

.sy-fe-rbinfo { margin-left: 8px; font-size: 11.5px; color: #4a5570; }

/* rev 97 · construction stage builder */
.sy-stg-new { border: 1px solid #e3e8f0; border-radius: 12px; padding: 12px 14px 10px; background: linear-gradient(180deg, #fbfcfe, #f5f7fb); margin: 6px 0 12px; }
.sy-stg-new-head { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; } .sy-stg-new-head b { display: block; font-size: 13.5px; color: #1f2d4d; } .sy-stg-new-head .u { display: block; }
.sy-stg-new-row { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: flex-end; } .sy-stg-new-row label { display: flex; flex-direction: column; gap: 3px; font-size: 12.5px; } .sy-stg-new-row .sy-stg-desc { flex: 1 1 260px; } .sy-stg-new-row input[type=text] { min-width: 180px; }
.sy-stg-table td { vertical-align: middle; } .sy-stg-row.on td { background: #eef3fb; } .sy-stg-btns { white-space: nowrap; text-align: right; } .sy-stg-btns .sy-btn { margin-left: 4px; }
.sy-stg-pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; color: #fff; background: #5b6b8a; margin: 1px 2px 1px 0; white-space: nowrap; }
.sy-stg-sub { background: #8a6d3b; } .sy-stg-span { background: #1b2a4a; } .sy-stg-girder { background: #2f5fa8; } .sy-stg-deck { background: #5b6b8a; } .sy-stg-tendon { background: #7a1fa2; } .sy-stg-equip { background: #e8893a; } .sy-stg-group { background: #1f7a3a; } .sy-stg-part { background: #2e7d6b; } .sy-stg-rebar { background: #b0542b; } .sy-stg-carrier { background: #9aa5b1; color: #1b2a4a; } .sy-stg-pill.sy-stg-check { background: #b3261e; } .sy-stg-settle { background: #5c4b3a; }
.sy-stg-parts { margin-top: 6px; padding: 8px 10px; border: 1px dashed #cfd6de; border-radius: 6px; background: #f8faf9; } .sy-stg-parts .sy-sel-xs { margin-left: 4px; }
.sy-stg-time { font-size: 11px; color: #7c8798; font-style: italic; }
.sy-stg-edit { border: 1px solid #cfd9ea; border-left: 4px solid #2f5fa8; border-radius: 12px; padding: 12px 14px; margin: 10px 0 14px; background: #fff; box-shadow: 0 6px 18px rgba(31, 45, 77, .06); }
.sy-stg-edit-head { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; justify-content: space-between; margin-bottom: 8px; } .sy-stg-edit-head > div:first-child { display: flex; gap: 8px; align-items: center; font-size: 14px; }
.sy-stg-edit-fields { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: flex-end; flex: 1; } .sy-stg-edit-fields label { display: flex; flex-direction: column; gap: 2px; font-size: 12px; color: #4a5570; } .sy-stg-edit-fields .sy-stg-desc { flex: 1 1 220px; }
.sy-stg-sec { margin-top: 12px; padding-top: 10px; border-top: 1px dashed #e3e8f0; } .sy-stg-sec-head { display: flex; gap: 10px; align-items: baseline; margin-bottom: 6px; } .sy-stg-sec-head b { font-size: 13px; color: #1f2d4d; }
.sy-stg-add { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: flex-end; margin-top: 8px; padding: 10px 12px; background: #f7f9fc; border-radius: 10px; } .sy-stg-add label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: #4a5570; min-width: 140px; } .sy-stg-add label .u { max-width: 260px; }

.sy-stg-table { table-layout: auto; } .sy-stg-table td:nth-child(6) { max-width: 320px; } .sy-stg-table td:nth-child(2) { white-space: nowrap; }
.sy-stg-table .sy-stg-pill { display: block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; margin: 2px 0; font-weight: 500; }
.sy-stg-table td.u { max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sy-stg-table td:nth-child(6) { text-align: left; } .sy-stg-table td:nth-child(1), .sy-stg-table td:nth-child(3), .sy-stg-table td:nth-child(4), .sy-stg-table td:nth-child(7) { white-space: nowrap; }
.sy-stg-wrap { container-type: inline-size; }
@container (max-width: 820px) { .sy-stg-table th:nth-child(5), .sy-stg-table td:nth-child(5), .sy-stg-table th:nth-child(7), .sy-stg-table td:nth-child(7) { display: none; } .sy-stg-btns .sy-btn { padding: 2px 6px; font-size: 11px; } }

@container (max-width: 820px) { .sy-stg-btns { display: flex; flex-direction: column; gap: 3px; align-items: stretch; } .sy-stg-btns .sy-btn { margin: 0; } .sy-stg-table td:nth-child(6) { max-width: 230px; } }
/* rev 98 · 7 · C tabs (C1 tendons / C2 reinforcement) and the reinforcement editor */
.sy-c-tabs { display: flex; gap: 6px; margin: 2px 0 10px; padding: 4px; background: #eef1f6; border-radius: 12px; width: max-content; max-width: 100%; }
.sy-c-tab { border: 0; background: transparent; border-radius: 9px; padding: 6px 14px; font: inherit; font-size: 12.5px; font-weight: 600; color: var(--text-3, #5a6578); cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: background .15s, color .15s, box-shadow .15s; }
.sy-c-tab .k { font-size: 10.5px; font-weight: 700; letter-spacing: .04em; padding: 1px 6px; border-radius: 6px; background: #dfe4ee; color: #3b4659; }
.sy-c-tab:hover { color: #1f2d4d; } .sy-c-tab.on { background: #fff; color: #1f2d4d; box-shadow: 0 1px 3px rgba(15, 30, 60, .14); } .sy-c-tab.on .k { background: #0b57d0; color: #fff; }
.sy-rb-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, 1fr); gap: 14px; align-items: start; }
#rbEdit { container-type: inline-size; container-name: rbed; } @container rbed (max-width: 900px) { .sy-rb-grid { grid-template-columns: 1fr; } .sy-rb-view { position: static; } }
#cPaneC2 { container-type: inline-size; } @container (max-width: 820px) { #rbRows td:nth-child(7), #cPaneC2 th:nth-child(7) { display: none; } #rbRows .sy-btn-group { display: flex; flex-direction: column; gap: 3px; } }
.sy-rb-view { position: sticky; top: 8px; } .sy-rb-svg { aspect-ratio: 520 / 330; }
.sy-rb-svg .sy-rb-dim { font-size: 10px; fill: #5a6578; font-family: ui-monospace, Menlo, Consolas, monospace; } .sy-rb-svg .sy-rb-leg { font-size: 10px; fill: #3b4659; font-family: ui-monospace, Menlo, Consolas, monospace; } .sy-rb-svg .sy-rb-leg-h { font-size: 10.5px; font-weight: 700; fill: #1f2d4d; }
.sy-rb-legend { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: 11.5px; color: #3b4659; margin-top: 6px; } .sy-rb-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 4px; vertical-align: -1px; }
.sy-rb-note { margin: 4px 0 0; line-height: 1.5; } .sy-rb-grp { font-size: 10.5px; color: #3b4659; }
#rbRows tr.rb-row { cursor: pointer; } #rbRows td { white-space: nowrap; } #rbRows td:nth-child(2), #rbRows td:nth-child(4) { white-space: normal; min-width: 140px; } #rbRows tr.rb-row.on td { background: #eef4ff; } #rbRows td .sub { font-size: 10.5px; }
#rbEdit .sy-stg-sec { margin-top: 8px; } #rbEdit .sy-stg-add { gap: 8px; }
.sy-rb-issues { margin-top: 8px; padding: 8px 10px; background: #f7f9fc; border-radius: 10px; font-size: 12px; line-height: 1.55; }
/* rev 99 · section scrubber (tendon editor + C2) */
.sy-scrub { margin: 6px 0 10px; border: 1px solid var(--line-2, #dfe3ea); border-radius: 10px; background: #fff; padding: 8px 10px 10px; }
.sy-scrub-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 12px; margin-bottom: 6px; } .sy-scrub-bar input[type=range] { flex: 1 1 220px; min-width: 160px; accent-color: #0b57d0; } .sy-scrub-t { font-weight: 600; color: #1f2d4d; } .sy-scrub-x { font-family: ui-monospace, Menlo, Consolas, monospace; color: #0b57d0; min-width: 64px; } .sy-scrub-bar .sy-btn { margin-left: auto; }
.sy-scrub-sec .sy-scrub-svg { max-height: 340px; } .sy-scrub-sec { display: grid; grid-template-columns: 1fr; gap: 6px; }
.sy-tr-sc .lim { stroke-width: 1.2; stroke-dasharray: 6 3; } .sy-tr-sc .lim-t { stroke: #d9341b; } .sy-tr-sc .lim-c { stroke: #1f4fa8; } .sy-tr-sc text.lim-t { fill: #d9341b; font-size: 9px; } .sy-tr-sc text.lim-c { fill: #1f4fa8; font-size: 9px; }
.sy-auto-card { border: 1px solid var(--line-2, #dfe3ea); border-radius: 12px; padding: 10px 12px; margin: 6px 0 10px; background: linear-gradient(180deg, #f8fafd, #fff); }
.sy-auto-head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 8px; } .sy-auto-head b { font-size: 12.5px; color: #1f2d4d; }
.sy-auto-grid { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: flex-end; } .sy-auto-grid label { display: flex; flex-direction: column; gap: 2px; font-size: 12px; color: #1f2d4d; } .sy-auto-grid label .u { font-size: 10.5px; } .sy-auto-grid input[type=number] { width: 84px; } .sy-auto-grid label.sy-inline { flex-direction: row; align-items: center; gap: 6px; }
#feCases tr.sy-row-off td { color: #8a93a3; }
#feCases td .u { white-space: normal; display: block; max-width: 460px; line-height: 1.4; } #feCases td { vertical-align: top; }
.sy-td-hprof .sy-td-cps { margin-top: 4px; } .sy-be-wide { grid-column: 1 / -1; }
/* rev 105 · module F — load-case table, edit card, previews */
.sy-lc-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 8px 0; } .sy-lc-bar .sy-hint { flex: 1 1 320px; }
.sy-lc-table th { white-space: nowrap; } .sy-lc-table td { vertical-align: middle; } .sy-lc-table td .u { white-space: normal; display: block; max-width: 420px; line-height: 1.4; font-size: 10.5px; }
.sy-lc-id { display: inline-block; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 7px; background: #eef1f6; color: #1f2d4d; } .sy-lc-id-lg { font-size: 12.5px; margin-right: 8px; background: #0b57d0; color: #fff; }
.sy-pill { display: inline-block; font-size: 10.5px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: #eef1f6; color: #3b4659; } .sy-pill-perm { background: #e6f4ea; color: #1f7a3a; } .sy-pill-trans { background: #e8f0fe; color: #0b57d0; } .sy-pill-constr { background: #fff4e5; color: #9a5b00; }
.sy-lc-fixed { font-size: 11px; color: #6b7280; } .sy-lc-app { max-width: 260px; } .sy-lc-btns { white-space: nowrap; } .sy-lc-btns .sy-btn { margin-right: 4px; }
.sy-switch-s { width: 32px; height: 18px; } .sy-switch-s .sy-switch-ui::after { width: 12px; height: 12px; } .sy-switch-s input:checked + .sy-switch-ui::after { transform: translateX(14px); }
.sy-lc-std { margin: 6px 0 10px; font-size: 12px; } .sy-lc-std summary { cursor: pointer; color: #3b4659; font-weight: 600; } .sy-lc-std summary .u { font-weight: 400; }
.sy-lc-edit { border: 1px solid #0b57d0; border-radius: 12px; padding: 10px 14px 12px; background: #fff; box-shadow: 0 6px 18px rgba(15, 30, 60, .12); margin: 6px 0 14px; container-type: inline-size; }
.sy-lc-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 1.1fr); gap: 14px; align-items: start; } @container (max-width: 980px) { .sy-lc-grid { grid-template-columns: 1fr; } }
.sy-lc-fields label { min-width: 120px; } .sy-lc-app-row { display: flex; gap: 10px; align-items: flex-start; margin: 6px 0; } .sy-lc-lab { font-size: 12px; font-weight: 600; color: #1f2d4d; min-width: 84px; padding-top: 4px; }
.sy-chip-row { display: flex; flex-wrap: wrap; gap: 6px; } .sy-chip-tick { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; padding: 3px 10px; border-radius: 999px; border: 1px solid #d3d8e3; background: #fff; cursor: pointer; color: #3b4659; } .sy-chip-tick input { margin: 0; } .sy-chip-tick.on { background: #e8f0fe; border-color: #0b57d0; color: #0b57d0; }
.sy-lc-view .sy-lc-svg { margin-top: 6px; } .sy-lc-note { margin-top: 6px; line-height: 1.45; } .sy-lc-axles { grid-column: 1 / -1; width: 100%; margin-top: 6px; }
.sy-auto-r { margin-top: 8px; padding-top: 8px; border-top: 1px dashed #e3e8f0; } .sy-auto-rlab { display: flex; flex-direction: column; gap: 2px; font-size: 12px; color: #1f2d4d; } .sy-auto-rlab .u { font-size: 10.5px; }
.sy-lc-table td, .sy-lc-table th { text-align: left; font-family: inherit; } .sy-lc-table td.mono { font-family: ui-monospace, Menlo, Consolas, monospace; white-space: nowrap; } .sy-lc-table td b { font-weight: 600; color: #1f2d4d; } .sy-lc-table td .u { text-align: left; max-width: 340px; }

/* rev 106 · spectrum-compatible ground motions (Topic 4) */
.sy-gm { margin-top: 12px; border: 1px solid #e3e8f0; border-radius: 12px; background: #fff; padding: 12px 14px 10px; } .sy-gm-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 8px; } .sy-gm-head h3 { margin: 0 0 2px; font-size: 14px; } .sy-gm-head p { margin: 0; font-size: 11.5px; line-height: 1.45; max-width: 980px; }
.sy-gm-tag { display: inline-block; margin-left: 6px; font-size: 10px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: 2px 7px; border-radius: 999px; background: #e8f0fe; color: #0b57d0; vertical-align: middle; }
.sy-gm-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 8px 12px; margin-bottom: 8px; } .sy-gm-grid label { display: flex; flex-direction: column; gap: 3px; font-size: 11.5px; } .sy-gm-grid input, .sy-gm-grid select { width: 100%; box-sizing: border-box; }
.sy-gm-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 6px; margin: 8px 0; } .sy-gm-plots { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; align-items: start; } @media (max-width: 980px) { .sy-gm-plots { grid-template-columns: 1fr; } }
.sy-gm-plot { border: 1px solid #e3e8f0; border-radius: 10px; background: #fff; padding: 6px 8px 2px; } .sy-gm-plot .t { font-size: 11px; font-weight: 600; color: #1f2d4d; margin: 0 0 2px 4px; display: flex; gap: 10px; align-items: baseline; } .sy-gm-plot .t .u { font-weight: 400; }
.sy-gm-svg { width: 100%; height: auto; display: block; font-family: var(--sy-font-mono); } .sy-gm-svg .rec { fill: none; stroke: #9aa6bb; stroke-width: .8; stroke-opacity: .55; } .sy-gm-svg .rec.v { stroke: #7fb08a; } .sy-gm-svg .mean { fill: none; stroke: #0b57d0; stroke-width: 2; } .sy-gm-svg .tgt { fill: none; stroke: #d9341b; stroke-width: 2.2; stroke-dasharray: 6 3; } .sy-gm-svg .band { fill: #d9341b; fill-opacity: .06; } .sy-gm-svg .acc { fill: none; stroke: #1f2d4d; stroke-width: .9; } .sy-gm-svg .sel { stroke: #0b57d0; stroke-width: 1.6; stroke-opacity: 1; } .sy-gm-svg .lg { font-size: 10px; fill: #3b4250; }
.sy-gm-table td.mono, .sy-gm-table th { white-space: nowrap; } .sy-gm-table tr.sel td { background: #f3f7ff; } .sy-gm-table tr { cursor: pointer; } .sy-gm-table td .sy-pill { font-weight: 600; } .sy-gm-ok { color: #1f7a3a; } .sy-gm-warn { color: #b35900; }
/* rev 106 · analysis-case module */
.sy-ac-table td .u { max-width: 300px; } .sy-ac-table tr.sy-row-on td { background: #f3f7ff; } .sy-ac-fields label { min-width: 150px; } .sy-ac-fields .sy-chip-tick { align-self: end; margin-bottom: 4px; } .sy-ac-note { flex-basis: 100%; margin-top: 2px; } .sy-ac-delays { flex-basis: 100%; max-width: 360px; margin-top: 4px; } .sy-lc-eqin { margin-right: 4px; max-width: 150px; }
.sy-lc-vec { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: flex-end; flex-basis: 100%; } .sy-lc-vec-h { flex-basis: 100%; font-size: 11.5px; font-weight: 600; color: #1f2d4d; margin-top: 4px; } .sy-lc-vec label { min-width: 120px; } .sy-lc-vec input { width: 110px; }
.sy-seg { display: inline-flex; gap: 2px; } .sy-seg .sy-btn { border-radius: 6px; }
.sy-gm-site { margin: 6px 0 8px; padding: 10px 12px; border: 1px dashed #d3d8e3; border-radius: 10px; background: #fafbfd; } .sy-gm-faults td .u { max-width: 220px; }
/* rev 107 · bridge location */
.sy-bloc { fill: rgba(217, 52, 27, .07); stroke: #d9341b; stroke-width: 2; stroke-dasharray: 9 5; cursor: grab; } .sy-bloc-t { fill: #d9341b; font-weight: 700; font-family: var(--sy-font-mono); font-size: 11px; paint-order: stroke; stroke: #fff; stroke-width: 3px; stroke-linejoin: round; }
.sy-bloc-card { position: absolute; left: 10px; top: 10px; width: 330px; background: rgba(255,255,255,.97); border: 1px solid var(--line-2); border-left: 3px solid #d9341b; border-radius: 10px; padding: 8px 10px; box-shadow: 0 6px 20px rgba(27,42,74,.12); font-size: 11px; z-index: 5; } .sy-bloc-card h4 { margin: 0 0 6px; font-size: 12px; display: flex; justify-content: space-between; align-items: center; } .sy-bloc-row { display: flex; gap: 6px; align-items: center; margin: 4px 0; flex-wrap: wrap; } .sy-bloc-row .k { font-weight: 600; min-width: 36px; } .sy-bloc-row input { width: 92px; } .sy-bloc-row .u { font-family: var(--sy-font-mono); } .sy-bloc-card .u { color: var(--text-3); }
/* rev 108 · member force diagrams */
.sy-fd-bar { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: flex-end; margin: 6px 0 8px; } .sy-fd-bar label { display: flex; flex-direction: column; gap: 3px; font-size: 11.5px; } .sy-fd-bar label.sy-chip-tick { flex-direction: row; align-self: flex-end; margin-bottom: 3px; } .sy-fd-bar input[type=range] { width: 120px; } .sy-fd-svg { border: 1px solid #e3e8f0; border-radius: 10px; background: #fff; padding: 4px; margin-bottom: 8px; } .sy-fd { width: 100%; height: auto; display: block; }
.sy-eq-prev { flex-basis: 100%; margin-top: 8px; border: 1px solid #e3e8f0; border-radius: 10px; padding: 6px 8px; background: #fff; } .sy-eq-plan { width: 100%; height: auto; display: block; }
/* rev 112 · seismic & movement checks */
.sy-pf-bar .sy-inline-group input { width: 58px; } .sy-pf-sum { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 8px; margin: 6px 0 10px; } .sy-pf-tile { border: 1px solid #e3e8f0; border-radius: 10px; padding: 8px 10px; background: #fff; } .sy-pf-tile .k { display: block; font-size: 10.5px; text-transform: uppercase; letter-spacing: .04em; color: #5d6470; } .sy-pf-tile .v { display: block; font-size: 16px; font-weight: 700; color: #1f2d4d; margin: 2px 0; } .sy-pf-tile .u { font-size: 10.5px; } .sy-pf-tile.ok { border-left: 3px solid #1f7a3a; } .sy-pf-tile.warn { border-left: 3px solid #b35900; } .sy-pf-tile.bad { border-left: 3px solid #b3261e; background: #fff6f5; }
.sy-pf-grid { display: grid; grid-template-columns: 1fr; gap: 10px; } .sy-row-bad td { background: #fff1f0; } .sy-pill-x { background: #fde8e6; color: #b3261e; }
.sy-lbl sub { font-size: 75%; }

/* rev 114 · response spectrum block */
.sy-rs { margin: 10px 0 14px; padding: 10px 12px; border: 1px solid #e3e8f0; border-radius: 12px; background: #fbfcfe; } .sy-rs h2 { margin-top: 0; } .sy-rs .sy-pf-tile .v { font-size: 17px; } .sy-rs-warn { color: #b3261e; } .sy-rs-sweep { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 11px; color: #5d6470; }

/* rev 116 · 3-D HUD (plot name, legend, peak values) */
.sy-3d-hud { position: absolute; left: 10px; top: 10px; z-index: 5; pointer-events: none; max-width: 46%; background: rgba(255,255,255,.86); border: 1px solid #e3e8f0; border-radius: 10px; padding: 7px 10px; font-size: 11.5px; color: #1f2d4d; backdrop-filter: blur(3px); } .sy-3d-hud.dark { background: rgba(20,24,32,.8); color: #f3f6fb; border-color: #3a4252; } .sy-3d-hud .t { font-weight: 700; font-size: 12.5px; } .sy-3d-hud .s { color: #5d6470; margin-top: 1px; } .sy-3d-hud.dark .s { color: #b7bfcc; } .sy-3d-hud .lg { display: grid; grid-template-columns: 1fr auto; grid-template-areas: 'bar u' 'lo u'; margin-top: 6px; column-gap: 8px; position: relative; } .sy-3d-hud .lg .bar { grid-area: bar; display: block; height: 10px; border-radius: 5px; width: 180px; border: 1px solid rgba(0,0,0,.12); } .sy-3d-hud .lg .lo, .sy-3d-hud .lg .mid, .sy-3d-hud .lg .hi { grid-area: lo; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 10.5px; } .sy-3d-hud .lg .mid { text-align: center; } .sy-3d-hud .lg .hi { text-align: right; } .sy-3d-hud .lg .u { grid-area: u; align-self: center; color: #5d6470; } .sy-3d-hud .it { margin-top: 5px; display: flex; flex-wrap: wrap; gap: 4px 12px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 10.5px; } .sy-3d-hud .it b { font-weight: 600; font-family: inherit; }

.sy-rec { flex-wrap: wrap; gap: 4px 6px; } .sy-rec.on { color: #b3261e; }

/* rev 119 · nonlinear fibre block */
.sy-nl .sy-fd-bar { margin-top: 6px; } .sy-nl-sec { max-width: 560px; } .sy-nl-sheet { max-width: 820px; width: 100%; background: #fff; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,.08); } .sy-nl-leg { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: #5d6470; } .sy-nl-leg .bar { display: inline-block; width: 140px; height: 9px; border-radius: 4px; border: 1px solid rgba(0,0,0,.15); }

.sy-nl-meter { display: inline-block; width: 60px; height: 7px; border-radius: 4px; background: #e6e8ef; vertical-align: middle; margin-left: 6px; overflow: hidden; } .sy-nl-meter i { display: block; height: 100%; } .sy-nl-vitals td, .sy-nl-vitals th { font-size: 12px; } .sy-nl-vitals .sy-chip.bad { background: #fde8e6; color: #b3261e; }
/* rev 125 · diaphragms & cross-frames (step 5) */
.sy-dia-plan { display: block; max-height: 190px; margin: 4px 0 8px; } .sy-dia-mark.on text { fill: #d9341b; }
.sy-dia-table td { vertical-align: middle; } .sy-dia-table select { max-width: 210px; } .sy-dia-table tr.on td { background: #fff4f2; } .sy-dia-size { cursor: pointer; max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .sy-dia-size:hover { color: #d9341b; }
.sy-dia-edit { margin-top: 8px; padding: 10px 12px; border: 1px solid #e3e6ea; border-left: 3px solid #d9341b; border-radius: 6px; background: #fbfbfa; }
.sy-dia-fields { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: flex-end; } .sy-dia-fields label { display: flex; flex-direction: column; font-size: 11.5px; color: #555; } .sy-dia-fields input, .sy-dia-fields select { margin-top: 2px; min-width: 110px; }
.sy-dia-fields input[type=number] { width: 90px; min-width: 0; }
.sy-tr-dia { margin: 6px 0 10px; padding: 8px 10px; border: 1px solid #e3e6ea; border-left: 3px solid #e8893a; border-radius: 6px; background: #fffaf5; font-size: 12px; } .sy-tr-dia-items { margin: 4px 0 0 16px; padding: 0; } .sy-tr-dia-items li.bad { color: #b3261e; } .sy-tr-dia-items li.ok { color: #1f7a3a; }
/* rev 126 · SY Section library card */
.sy-sec-card { margin-top: 12px; padding: 10px 12px; border: 1px solid #e3e6ea; border-left: 3px solid #1b2a4a; border-radius: 6px; background: #fbfbfa; }
.sy-sec-tools { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; margin: 4px 0 8px; } .sy-sec-tools input[type=search] { min-width: 180px; padding: 4px 8px; border: 1px solid #cfd6de; border-radius: 5px; font: inherit; }
.sy-sec-chips { display: inline-flex; flex-wrap: wrap; gap: 3px; align-items: center; } .sy-sec-chips .u { margin-right: 3px; } .sy-sec-chip { font: inherit; font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid #cfd6de; background: #fff; cursor: pointer; } .sy-sec-chip.on { background: #1b2a4a; color: #fff; border-color: #1b2a4a; }
.sy-sec-pick { display: grid; grid-template-columns: minmax(200px, 320px) 1fr; gap: 10px 14px; align-items: start; margin: 6px 0 8px; } @media (max-width: 900px) { .sy-sec-pick { grid-template-columns: 1fr; } }
.sy-sec-svg { width: 100%; height: auto; background: #f3f5f7; border-radius: 6px; display: block; } .sy-sec-handle circle { transition: r .1s; } .sy-sec-handle:hover circle { r: 8; }
.sy-sec-kv { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; font-size: 12px; margin: 4px 0 6px; } .sy-sec-kv span { color: #6b7280; } .sy-sec-kv b { font-family: ui-monospace, Menlo, monospace; font-weight: 500; }
.sy-sec-tablewrap { max-height: 320px; overflow: auto; } .sy-sec-table tr { cursor: pointer; } .sy-sec-table tr.on td { background: #fff4f2; }
.sy-sec-build-row { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: flex-end; } .sy-sec-build-row label { display: flex; flex-direction: column; font-size: 11.5px; color: #555; } .sy-sec-build-row input { width: 76px; } .sy-sec-name { display: block; font-size: 11.5px; color: #555; margin: 4px 0; } .sy-sec-name input { width: 100%; max-width: 320px; }
.sy-sec-libl { margin-top: 6px; font-size: 12px; display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.sy-tr-members { border-left-color: #7a1fa2; background: #fbf7ff; } .sy-tr-mtable tr[data-trmrow] { cursor: pointer; } .sy-tr-mdetail td { background: #fff; }

/* rev 127: sizing trial in 7 · T + confirmation badge on the step-5 diaphragm rows */
.sy-dia-conf{display:inline-block;margin-right:6px;white-space:nowrap;padding:0 6px;border-radius:9px;font-size:10.5px;font-weight:600;line-height:16px;vertical-align:1px;background:#e3f3e8;color:#1f7a3a}
.sy-dia-conf.bad{background:#fde7e4;color:#b3261e}
.sy-dia-conf.stale{background:#fff3d6;color:#8a5a00}
.sy-tr-trial{border-left:3px solid #e8893a}
.sy-tr-trial .sy-dia-fields{margin-top:8px}
.sy-tr-badge.warn{background:#fff3d6;color:#8a5a00}
.sy-tr-trial .sy-tr-okline{margin:0 0 8px}

/* rev 128: brace connection card (7 · T → Connections) */
.sy-cn-card{border-left-color:#2c3e6b;background:#f8f9fc}
.sy-cn-grid{display:grid;grid-template-columns:minmax(300px,380px) minmax(320px,1fr) minmax(320px,1fr);gap:12px;margin-top:8px}
#trWide{margin-top:12px}
@media (max-width:1100px){.sy-cn-grid{grid-template-columns:1fr}}
.sy-cn-form{display:flex;flex-direction:column;gap:8px}
.sy-cn-group{border:1px solid #e3e6ea;border-radius:6px;padding:6px 8px;background:#fff}
.sy-cn-group .sy-dia-fields{margin-top:4px;gap:6px 10px}
.sy-cn-group .sy-dia-fields input,.sy-cn-group .sy-dia-fields select{min-width:0}
.sy-cn-views{display:contents}
.sy-cn-2d{background:#fff;border:1px solid #e3e6ea;border-radius:6px;padding:4px;min-height:300px;align-self:start}
.sy-cn-3d{align-self:start}
.sy-cn-svg{width:100%;height:auto;display:block}
.sy-cn-3d{position:relative;border:1px solid #e3e6ea;border-radius:6px;overflow:hidden;background:#f3f6fb;min-height:300px}
.sy-cn-3d #conn3d{width:100%;height:360px}
.sy-cn-3d #conn3d canvas{width:100%!important;height:100%!important;display:block}
.sy-cn-cams{position:absolute;top:6px;left:6px;z-index:2;display:flex;gap:3px;flex-wrap:wrap}
#diaPrevCams{position:static;margin:4px 0 6px;flex-wrap:wrap} /* rev 135: the preview card keeps the bar in the flow under the header */
.sy-cn-stiff{fill:#3b4d7a}.sy-cn-web{stroke:#8fa0c0;stroke-width:6;stroke-linecap:round}.sy-cn-flange{fill:#8fa0c0}
.sy-cn-gusset{fill:#2c3e6b;fill-opacity:.82;stroke:#111a33;stroke-width:1}.sy-cn-gusset.hi{fill:#d9341b;fill-opacity:.55}
.sy-cn-angle{fill:#9fb1d6;fill-opacity:.9;stroke:#3b4d7a;stroke-width:.8}.sy-cn-angle.diag{fill:#b4c3e2}.sy-cn-angle.hi{fill:#f0a08f}
.sy-cn-axis{stroke:#1f2d4d;stroke-width:.7;stroke-dasharray:6 3 1 3}
.sy-cn-bolt{fill:#e2b426;stroke:#8a6a00;stroke-width:.8}.sy-cn-bolt.hi{fill:#d9341b;stroke:#7a1c10}.sy-cn-boltc{fill:none;stroke:#5a4600;stroke-width:.6}
.sy-cn-whit{stroke:#d9341b;stroke-width:2;stroke-dasharray:5 3}.sy-cn-whitfan{fill:#d9341b;fill-opacity:.18;stroke:#d9341b;stroke-width:.6;stroke-dasharray:3 2}
.sy-cn-block{fill:#d9341b;fill-opacity:.25;stroke:#d9341b;stroke-width:1.5;stroke-dasharray:4 2}
.sy-cn-weld{stroke:#b0472c;stroke-width:5;stroke-linecap:round;fill:none}.sy-cn-weld.hi{stroke:#d9341b;stroke-width:7}.sy-cn-weldsym{fill:#b0472c}
.sy-cn-dim{stroke:#555;stroke-width:.7;fill:none}.sy-cn-dimt{font:10px ui-monospace,monospace;fill:#333}.sy-cn-lab{font:10.5px system-ui,sans-serif;fill:#1f2d4d}
.sy-cn-table td{text-align:left;font-family:inherit}.sy-cn-table td.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;text-align:right;white-space:nowrap}.sy-cn-table td:nth-child(2){max-width:560px;white-space:normal}.sy-cn-table th{text-align:left}
.sy-cn-conc{fill:#d9dde3;stroke:#9aa3ad;stroke-width:.8}.sy-cn-anchor{stroke:#e2b426;stroke-width:5;stroke-linecap:round}.sy-cn-anchor.hi{stroke:#d9341b}.sy-cn-group.sy-cn-conc{border-color:#c9b48a;background:#fffdf7}
.sy-cn-bar{stroke:#8a3b1e;stroke-width:3.5;stroke-linecap:round}.sy-cn-bar.hi{stroke:#d9341b;stroke-width:5}.sy-cn-stir{fill:#a0522d}.sy-cn-stir.hi{fill:#d9341b}.sy-cn-stirsec{fill:none;stroke:#a0522d;stroke-width:2.5}.sy-cn-stirsec.hi{stroke:#d9341b}.sy-cn-barsec{fill:#8a3b1e}.sy-cn-barsec.hi{fill:#d9341b}
.sy-dia-prev{margin-bottom:10px}.sy-dia-prev-body{background:#fff;border:1px solid #e3e6ea;border-radius:6px;min-height:260px;overflow:hidden}.sy-dia-prev-body #diaPrev2d svg{width:100%;height:auto;max-height:340px;display:block}.sy-dia-prev-body #diaPrev3d{width:100%;height:320px}.sy-dia-prev-body #diaPrev3d canvas{width:100%!important;height:100%!important;display:block}
.sy-ps-diarow{grid-column:1 / -1;display:grid;grid-template-columns:minmax(380px,1fr) minmax(360px,1fr);gap:16px;align-items:start;border-top:1px solid #e3e6ea;padding-top:8px}
@media (max-width:1100px){.sy-ps-diarow{grid-template-columns:1fr}}
.sy-ps-diaright{position:sticky;top:8px}
.sy-ps-splrow{grid-column:1 / -1;border-top:1px solid #e3e6ea;padding-top:8px;min-width:0;max-width:100%;overflow-x:auto}
.sy-ps-diarow{min-width:0;max-width:100%}.sy-ps-diarow>*{min-width:0}.sy-ps-splrow table{width:100%}
.sy-spl-top{display:grid;grid-template-columns:1fr;gap:8px}
.sy-spl-strip{width:100%;max-width:860px;height:auto;display:block;font:10px system-ui,sans-serif}.sy-spl-g{fill:#dfe5ee;stroke:#8fa0c0}.sy-spl-pc{font-size:10px;fill:#1f2d4d}.sy-spl-mark rect{fill:#2c3e6b;cursor:pointer}.sy-spl-mark.on rect{fill:#d9341b}.sy-spl-mark text{font-size:9.5px;fill:#1f2d4d;cursor:pointer}.sy-spl-cur{stroke:#d9341b;stroke-dasharray:3 2}
.sy-spl-fl{fill:#9fb1d6;stroke:#3b4d7a;stroke-width:.6}.sy-spl-web{fill:#c3cee3;stroke:#3b4d7a;stroke-width:.6}.sy-spl-pl{fill:#2c3e6b;fill-opacity:.85;stroke:#111a33;stroke-width:.6}.sy-spl-pl.hi{fill:#d9341b}.sy-spl-wpl{fill:#2c3e6b;fill-opacity:.55;stroke:#111a33;stroke-width:.6}.sy-spl-wpl.hi{fill:#d9341b}.sy-spl-bl{stroke:#e2b426;stroke-width:1.4}.sy-spl-bl.hi{stroke:#d9341b}
.sy-spl-bench{margin-top:10px}
.sy-spl-bench .sy-cn-grid{grid-template-columns:minmax(300px,380px) 1fr}.sy-spl-bench .sy-cn-views{display:flex;flex-direction:column;gap:10px;min-width:0}.sy-spl-bench .sy-cn-3d #spl3d{height:380px}.sy-spl-bench .sy-cn-3d #spl3d canvas{width:100%!important;height:100%!important;display:block}

/* rev 132 · steel pier bench */
.sy-sp-bench{margin-top:10px}.sy-sp-bench .sy-cn-grid{grid-template-columns:minmax(300px,400px) 1fr}.sy-sp-bench .sy-cn-views{display:flex;flex-direction:column;gap:10px;min-width:0}.sy-sp-bench .sy-cn-3d #sp3d{height:420px}.sy-sp-bench .sy-cn-2d svg{width:100%;height:auto;display:block;font:10px system-ui,sans-serif}
.sy-sp-col{fill:#b5c2d6;stroke:#1f2d4d;stroke-width:.7}.sy-sp-col.hi,.sy-sp-cap.hi,.sy-sp-pl.hi,.sy-sp-rod.hi,.sy-sp-grout.hi,.sy-sp-frame.hi,.sy-sp-spl.hi{fill:#d9341b;stroke:#8a1a0c}.sy-sp-cap{fill:#c9d3e3;stroke:#1f2d4d;stroke-width:.7}.sy-sp-pl{fill:#2c3e6b;stroke:#111a33;stroke-width:.5}.sy-sp-spl{fill:#2c3e6b;stroke:#111a33;stroke-width:.5}.sy-sp-rod{stroke:#b3261e;stroke-width:1.4;fill:#b3261e}.sy-sp-grout{fill:#d9d4c7;stroke:#8a8375;stroke-width:.4}.sy-sp-frame{fill:none;stroke:#1f2d4d;stroke-width:.8;stroke-dasharray:3 2}.sy-sp-conc{fill:#eceff3;stroke:#9aa3b5;stroke-width:.6}.sy-sp-stiff{fill:none;stroke:#1f2d4d;stroke-width:.5}.sy-sp-dim{stroke:#1f2d4d;stroke-width:.5}.sy-sp-t{fill:#1f2d4d;font-size:9px}
.sy-spier-box{grid-column:1 / -1}

/* rev 135 · 3-D mode buttons */
.sy-cn-sep{display:inline-block;width:1px;height:16px;background:#d4d9e2;margin:0 6px;vertical-align:middle}.sy-ps-role.sy-3dmode.sel{background:var(--sy-navy,#1f2d4d);color:#fff;border-color:var(--sy-navy,#1f2d4d)}

/* rev 138 · drawings module */
.sy-dwg-wrap{display:grid;grid-template-columns:minmax(260px,320px) 1fr;gap:14px;align-items:start}.sy-dwg-list{display:flex;flex-direction:column;gap:4px}.sy-dwg-head{margin-bottom:4px}.sy-dwg-item{display:grid;grid-template-columns:44px 1fr auto;gap:8px;align-items:center;text-align:left;padding:6px 8px;border:1px solid #d4d9e2;border-radius:8px;background:#fff;cursor:pointer;font:inherit}.sy-dwg-item .no{font-family:ui-monospace,monospace;font-weight:600;color:var(--sy-navy,#1f2d4d)}.sy-dwg-item.sel{border-color:var(--sy-navy,#1f2d4d);background:#eef2fa}.sy-dwg-view{min-height:300px;background:#2b2f36;border-radius:10px;padding:10px;display:flex;align-items:center;justify-content:center;overflow:auto}.sy-dwg-canvas{max-width:100%;height:auto;box-shadow:0 2px 14px rgba(0,0,0,.45);cursor:zoom-in;background:#fff}
@media (max-width:1100px){.sy-dwg-wrap{grid-template-columns:1fr}}

/* rev 142 · pier / abutment bench: 2-D parts by material */
.sy-pb-svg .pb-conc{fill:#c9d3e6;stroke:#1b2a4a;stroke-width:.8;cursor:pointer}.sy-pb-svg .pb-conc2{fill:#b7c3da;stroke:#1b2a4a;stroke-width:.8;cursor:pointer}.sy-pb-svg .pb-foot{fill:#9aa4b8;stroke:#1b2a4a;stroke-width:.8;cursor:pointer}.sy-pb-svg .pb-pile{fill:#7f8ba0;stroke:#1b2a4a;stroke-width:.6;cursor:pointer}.sy-pb-svg .pb-steel{fill:#9fb1d6;stroke:#1b2a4a;stroke-width:.8}.sy-pb-svg .pb-brg{fill:#2c3e6b;stroke:#1b2a4a;stroke-width:.6}.sy-pb-svg .hi{fill:#f3b4ad;stroke:#d9341b;stroke-width:1.4}.sy-pb-svg .sy-sp-gl{stroke:#8a6d3b;stroke-width:1;stroke-dasharray:4 2}
.sy-pb-svg .pb-strut{stroke:#e8893a;stroke-width:2.2;stroke-linecap:round}.sy-pb-svg .pb-tie{stroke:#1f7a3a;stroke-width:2;stroke-linecap:round}.sy-pb-svg .pb-rebar{stroke:#8b3a1e;stroke-width:.6}
.sy-rc-info td{color:#8a93a3}.sy-rc-info .sy-tr-badge{background:#e9ecf1;color:#6b7383}.sy-rc-pmbox{margin-top:0}.sy-rc-pm{width:100%;height:auto;display:block;font:10px system-ui,sans-serif}.sy-rc-head{margin-top:10px}

/* rev 144 · strut-and-tie bench */
.sy-stm-head{margin-top:14px}.sy-stm-bar{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin:6px 0 8px;font-size:12px}.sy-stm-bar label{display:flex;gap:4px;align-items:center}.sy-stm-bar select,.sy-stm-side select,.sy-stm-side input{font:inherit;font-size:12px}
.sy-stm-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,340px);gap:10px;align-items:start}@media (max-width:1100px){.sy-stm-grid{grid-template-columns:1fr}}
.sy-stm-2d svg{width:100%;height:auto;display:block;font:10px system-ui,sans-serif;touch-action:none;user-select:none}.sy-stm-side .sy-cn-group{margin-bottom:8px}.sy-chk{display:inline-flex;gap:4px;align-items:center;font-size:12px}
.sy-stm-svg .stm-outline{fill:#eef1f6;stroke:#1b2a4a;stroke-width:1}.sy-stm-svg .stm-dir{stroke:#2a2f3a;stroke-width:.8;opacity:.75}.sy-stm-svg .stm-crack{stroke:#fff;stroke-width:.9;opacity:.9}
.sy-stm-svg .stm-zone{fill:#9fb1d6;fill-opacity:.45;stroke:#1b2a4a;stroke-width:.7;stroke-dasharray:3 2}.sy-stm-svg .stm-zone.stm-CCT{fill:#f3c623}.sy-stm-svg .stm-zone.stm-CTT{fill:#e8893a}
.sy-stm-svg .stm-strut{fill-opacity:.32;stroke:#8a4a12;stroke-width:.6;cursor:pointer}.sy-stm-svg .stm-strut.sel{stroke:#d9341b;stroke-width:1.8;fill-opacity:.8}.sy-stm-svg .stm-strut-axis{stroke:#8a4a12;stroke-width:.7;stroke-dasharray:5 3;pointer-events:none}
.sy-stm-svg .stm-tie{stroke-width:3.2;stroke-linecap:round;cursor:pointer}.sy-stm-svg .stm-tie.sel{stroke:#d9341b!important;stroke-width:5}.sy-stm-svg .stm-tie.stm-pt{stroke-width:5;stroke-dasharray:10 4}.sy-stm-svg .stm-tie.stm-virtual{stroke-width:1.4;stroke-dasharray:4 3}
.sy-stm-svg .stm-bar{stroke:#8b3a1e;stroke-width:1;opacity:.9;pointer-events:none}.sy-stm-svg .stm-bar-pt{stroke:#2b4fd0;stroke-width:2.4}.sy-stm-svg .stm-bar-cage{stroke:#b08968;stroke-width:.5;opacity:.7}
.sy-stm-svg .stm-node{fill:#fff;stroke:#1b2a4a;stroke-width:1.6;cursor:grab}.sy-stm-svg .stm-node.sel{fill:#d9341b;stroke:#7a1a0c}.sy-stm-svg .stm-node.bad{stroke:#d9341b;stroke-width:2.2}.sy-stm-svg .stm-sup{fill:#1b2a4a;opacity:.8}.sy-stm-svg .stm-load{stroke:#1f5fd0;stroke-width:1.8}.sy-stm-svg .stm-load-dot{fill:#1f5fd0}
.sy-stm-svg .stm-lab{fill:#2a2f3a;font-size:9px;pointer-events:none}.sy-stm-svg .stm-lab.sel{fill:#d9341b;font-weight:600}.sy-stm-svg .stm-nlab{fill:#1b2a4a;font-size:9px;font-weight:600;pointer-events:none}.sy-stm-svg .stm-nlab.sel{fill:#d9341b}
.sy-stm-tables{display:grid;grid-template-columns:1.6fr 1fr;gap:10px;margin:8px 0}.sy-stm-tables>*{min-width:0}.sy-stm-card .sy-table td:not(.mono){white-space:normal}.sy-stm-card,.sy-stm-grid>*{min-width:0}@media (max-width:1100px){.sy-stm-tables{grid-template-columns:1fr}}.sy-btn-danger{color:#b4231a}
.sy-stm-pm{display:inline-flex;align-items:flex-end;gap:2px}.sy-stm-pm .sy-btn{padding:2px 7px;min-width:0}.sy-pb-svg .pb-pt{stroke:#2b4fd0;stroke-width:2.2;stroke-dasharray:6 3}.sy-pb-svg .pb-node{fill:#fff;stroke:#1b2a4a}

/* rev 146 · STM model view */
.sy-stm-modes .sy-ps-role.sel{background:#1b2a4a;color:#fff}.sy-stm-2d{align-self:stretch;min-height:0}.sy-stm-bar select{width:auto;max-width:150px}.sy-stm-bar2{margin-top:-4px}.sy-stm-views{display:flex;flex-direction:column;gap:10px;min-width:0}.sy-stm-3d #stm3d{height:360px;position:relative}
.sy-stm-svg .stm-bg{fill:#fff}.sy-stm-svg .stm-grid{stroke:#b9c0cc;stroke-width:1.6;stroke-linecap:round;stroke-dasharray:0.01 500}.sy-stm-svg .stm-guide{stroke:#d9341b;stroke-width:.7;stroke-dasharray:6 3;opacity:.7;cursor:pointer}.sy-stm-svg .stm-guide.sel{stroke-width:1.6;opacity:1}
.sy-stm-svg .stm-zone-face{stroke:#1b2a4a;stroke-width:1.1}.sy-stm-svg .stm-zone.stm-hydro{fill:#c9d3e6}.sy-stm-svg .stm-vtx{fill:#fff;stroke:#1b2a4a;stroke-width:1.2;cursor:move}.sy-stm-svg .stm-vtx.sel{fill:#d9341b}.sy-stm-svg .stm-vtx-hole{stroke:#8a4a12}
.sy-stm-svg .stm-load-head{fill:#1f5fd0}.sy-stm-svg .stm-load-lab{fill:#1f5fd0;font-weight:600}.sy-stm-svg .stm-react{stroke:#1f7a3a;stroke-width:1.8}.sy-stm-svg .stm-react-head{fill:#1f7a3a}.sy-stm-svg .stm-react-lab{fill:#1f7a3a;font-weight:600}
.sy-stm-svg .stm-node.link{stroke:#1f5fd0;stroke-width:2.6}.sy-stm-svg .stm-rubber{stroke:#1f5fd0;stroke-width:1;stroke-dasharray:4 3;pointer-events:none}.sy-stm-svg .stm-window{fill:#1f5fd0;fill-opacity:.08;stroke:#1f5fd0;stroke-width:.8;stroke-dasharray:4 2;pointer-events:none}.sy-stm-svg .stm-tip{fill:#1f5fd0;font-size:9px;pointer-events:none}
.sy-stm-svg .stm-tie.stm-conctie{stroke-dasharray:2 3}.sy-stm-svg .stm-legend text{font-size:8px}.sy-stm-svg .stm-foot{font-size:8.5px;fill:#5b6472}
.sy-stm-mode-pan{cursor:grab}.sy-stm-mode-window,.sy-stm-mode-guide,.sy-stm-mode-construct{cursor:crosshair}.sy-stm-2d:focus{outline:2px solid #dbe7f8}
.sy-stm-ed-head{display:flex;align-items:center;gap:8px;margin-bottom:4px}.sy-stm-rog{display:grid;grid-template-columns:1fr 1fr;gap:2px 10px;margin:4px 0 6px;font-size:12px}.sy-stm-ro{display:flex;gap:6px;align-items:baseline}.sy-stm-ro b{font-weight:600}.sy-stm-fl{flex-basis:100%;font-size:11px;color:#5b6472;text-transform:uppercase;letter-spacing:.03em;margin-top:4px}
.sy-stm-ana{margin:8px 0 4px;font-size:12px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.sy-stm-cap{color:#1b2a4a}.sy-stm-ldef{max-width:380px}
.sy-3d-window{position:absolute;border:1px dashed #1f5fd0;background:rgba(31,95,208,.08);pointer-events:none;z-index:3}
.sy-stm-svg text{font-size:calc(9px * var(--k,1))}.sy-stm-svg .stm-legend text,.sy-stm-svg .stm-foot{font-size:calc(8.5px * var(--k,1))}.sy-stm-svg .stm-node{r:calc(5.5px * var(--k,1))}.sy-stm-svg .stm-node.sel{r:calc(7px * var(--k,1))}.sy-stm-svg .stm-tie{stroke-width:calc(3.2px * var(--k,1))}.sy-stm-svg .stm-bar{stroke-width:calc(1px * var(--k,1))}.sy-stm-svg .stm-outline{stroke-width:calc(1px * var(--k,1))}
.sy-stm-svg .stm-lab,.sy-stm-svg .stm-nlab,.sy-stm-svg .stm-tip{font-size:calc(9px * var(--k,1))}.sy-stm-svg .stm-legend .stm-lab,.sy-stm-svg .stm-lab.stm-foot{font-size:calc(8.5px * var(--k,1))}
.sy-rc-recommend{margin-top:3px;font-weight:600;color:#b4231a;background:#fdecea;border-left:3px solid #d9341b;padding:2px 8px;border-radius:0 4px 4px 0;display:inline-block}
.sy-stm-svg .stm-zone-piece{fill:#9fb1d6;fill-opacity:.22;stroke:#1b2a4a;stroke-width:.5;stroke-dasharray:2 2}.sy-stm-svg .stm-zone-piece.stm-CCT{fill:#f3c623}.sy-stm-svg .stm-zone-piece.stm-CTT{fill:#e8893a}.sy-stm-svg .stm-zone-face{stroke:#1b2a4a;stroke-width:1.4}.sy-stm-svg .stm-face-tie{stroke:#1f7a3a}.sy-stm-svg .stm-face-bearing{stroke:#1f5fd0}
.sy-stm-svg .stm-pt-plate{fill:#5a6270;stroke:#2f3542;stroke-width:.6}.sy-stm-svg .stm-pt-trumpet{fill:#9aa3b0;fill-opacity:.8;stroke:#2f3542;stroke-width:.5}.sy-stm-svg .stm-pt-grip{fill:#e8eef7;stroke:#2f3542;stroke-width:.4}
.sy-stm-svg .stm-stream{fill:none;stroke:#d9341b;stroke-width:1.1;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}

/* rev 156: Foundation card Edit / Apply */
.sy-fnd-actions{display:inline-flex;align-items:center;gap:6px;margin-left:12px;vertical-align:middle}
.sy-fnd-actions .sy-fnd-state{font-size:11px}
#fndBox.sy-fnd-view input,#fndBox.sy-fnd-view select{background:#f5f6f8;color:#3a4152;border-color:#e3e6eb;cursor:default}
#fndBox.sy-fnd-edit{outline:2px solid #e8893a;outline-offset:6px;border-radius:6px}
/* rev 161 · STM topology optimisation (Advanced) */
.sy-stm-adv.sel{background:#1b2a4a;color:#fff;border-color:#1b2a4a}.sy-stm-topo{margin:4px 0 10px;border:1px solid #d9dee8;border-radius:8px;padding:8px 10px;background:#fbfcfe}.sy-stm-topo-fields label{display:flex;gap:4px;align-items:center;font-size:12px}.sy-stm-topo-prog{font-size:12px;margin-top:4px}.sy-stm-topo-chart{display:block;margin-top:4px;background:#fff;border:1px solid #e3e7ef;border-radius:6px;max-width:100%}
.sy-stm-svg .stm-topo{stroke-width:2.2;stroke-dasharray:6 4;fill:none;pointer-events:none;opacity:.95}.sy-stm-svg .stm-topo.strut{stroke:#e8893a}.sy-stm-svg .stm-topo.tie{stroke:#1f7a3a}.sy-stm-svg .stm-topo-node{fill:#fff;stroke:#1b2a4a;stroke-width:1.4;pointer-events:none}.sy-stm-svg .stm-topo-node.term{fill:#1b2a4a}
/* rev 162 · topology optimisation card redesign */
.sy-topo{margin:4px 0 12px;border:1px solid #dfe4ee;border-radius:10px;background:#fff;box-shadow:0 1px 2px rgba(27,42,74,.05);overflow:hidden}
.sy-topo-head{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;padding:10px 14px;background:linear-gradient(90deg,#f6f8fc,#fff);border-bottom:1px solid #e8ecf3}.sy-topo-title b{display:block;font-size:14px;color:#1b2a4a;margin-bottom:2px}.sy-topo-title .u{font-size:11.5px;line-height:1.35}
.sy-topo-pill{flex:none;font-size:11px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;padding:3px 10px;border-radius:999px;background:#eef1f6;color:#4b5563}.sy-topo-pill.run{background:#fff3e6;color:#b85c00}.sy-topo-pill.run::before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:#e8893a;margin-right:6px;animation:sy-topo-blink 1s infinite}.sy-topo-pill.done{background:#e6f5ea;color:#1f7a3a}.sy-topo-pill.err{background:#fde8e6;color:#a6260f}
@keyframes sy-topo-blink{50%{opacity:.25}}
.sy-topo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px 14px;padding:10px 14px}.sy-topo-grid fieldset{border:1px solid #e8ecf3;border-radius:8px;padding:6px 10px 8px;margin:0;min-width:0;display:flex;flex-direction:column;gap:6px}.sy-topo-grid legend{font-size:11px;font-weight:600;color:#1b2a4a;padding:0 4px;text-transform:uppercase;letter-spacing:.03em}
.sy-topo-grid label{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;font-size:12px;color:#374151}.sy-topo-grid label>span{min-width:0}.sy-topo-grid label.wide{grid-template-columns:1fr}.sy-topo-grid label.wide select{width:100%}.sy-topo-grid input[type=number]{width:72px;font:inherit;font-size:12px;padding:3px 6px;border:1px solid #d9dee8;border-radius:6px}.sy-topo-grid select{font:inherit;font-size:12px;padding:3px 6px;border:1px solid #d9dee8;border-radius:6px;max-width:100%;min-width:0}.sy-topo-grid .sy-chk{display:flex;gap:6px}
.sy-topo-anim{display:flex;gap:6px;align-items:center;font-size:12px;margin-top:2px}.sy-topo-anim input[type=range]{flex:1;min-width:60px}.sy-topo-anim .sy-topo-frame{font-variant-numeric:tabular-nums;min-width:38px;color:#4b5563}.sy-topo-anim label{display:flex;gap:4px}
.sy-topo-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:4px 14px 10px}.sy-topo-actions .sy-btn{padding:6px 12px;font-size:12.5px}.sy-btn-danger{background:#fff;border-color:#e0a79f;color:#a6260f}.sy-btn-danger:hover:not(:disabled){background:#fde8e6;border-color:#a6260f}.sy-btn-ok{background:#1f7a3a;border-color:#1f7a3a;color:#fff;font-weight:600}.sy-btn-ok:hover:not(:disabled){background:#17602d}.sy-topo-actions .sy-btn:disabled{opacity:.45;cursor:default}.sy-topo-vid{font-size:12px;color:#4b5563}
.sy-topo-bar{display:flex;gap:10px;align-items:center;padding:0 14px 8px;font-size:12px;font-variant-numeric:tabular-nums;color:#374151}.sy-topo-bar-track{flex:1;height:8px;border-radius:999px;background:#eef1f6;overflow:hidden}.sy-topo-bar-track i{display:block;height:100%;background:linear-gradient(90deg,#e8893a,#d9341b);border-radius:999px;transition:width .3s}.sy-topo-bar.live .sy-topo-bar-track i{background-image:repeating-linear-gradient(135deg,#e8893a 0 10px,#f0a66c 10px 20px)}
.sy-topo-result{display:grid;grid-template-columns:minmax(240px,420px) 1fr;gap:10px 16px;padding:0 14px 10px;align-items:start}@media (max-width:760px){.sy-topo-result{grid-template-columns:1fr}}
.sy-topo-chart{width:100%;max-width:420px;height:auto;background:#fbfcfe;border:1px solid #e8ecf3;border-radius:8px}.sy-topo-chart .ax{stroke:#9aa3b2}.sy-topo-chart .one{stroke:#c7cdd8;stroke-dasharray:3 3}.sy-topo-chart .frac{fill:none;stroke:#9aa3b2;stroke-dasharray:4 3}.sy-topo-chart .pi{fill:none;stroke:#e8893a;stroke-width:2}.sy-topo-chart .best{stroke:#1b2a4a;stroke-dasharray:2 2}.sy-topo-chart .cur{stroke:#d9341b;stroke-width:1.5}.sy-topo-chart .lab{font:9px system-ui,sans-serif;fill:#4b5563}.sy-topo-chart .lab.r{text-anchor:end}.sy-topo-chart .lab.pi{fill:#e8893a}
.sy-topo-stats{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:12px;padding:2px 0}.sy-topo-stat{display:flex;flex-direction:column;gap:1px}.sy-topo-stat span{font-size:10.5px;text-transform:uppercase;letter-spacing:.03em;color:#6b7280}.sy-topo-stat b{font-size:13px;color:#1b2a4a;font-variant-numeric:tabular-nums}.sy-topo-msg{padding:0 14px 10px;font-size:12px;color:#374151}.sy-topo-msg.err{color:#a6260f}
/* rev 162 · 2-D view toolbar */
.sy-stm-2d{position:relative}.sy-stm-tools{position:absolute;top:8px;right:8px;display:flex;gap:4px;z-index:2}.sy-stm-tools button{font:inherit;font-size:11.5px;padding:3px 8px;border:1px solid #d9dee8;border-radius:6px;background:rgba(255,255,255,.92);color:#1b2a4a;cursor:pointer}.sy-stm-tools button:hover{border-color:#1b2a4a}.sy-stm-tools button.sel{background:#1b2a4a;color:#fff;border-color:#1b2a4a}
/* rev 163 · STM update mode, Analyze / Design */
.sy-stm-upd .sy-ps-role.sel{background:#1b2a4a;color:#fff}.sy-stm-analyze.attn{background:#e8893a;border-color:#e8893a;color:#fff;font-weight:600}.sy-stm-design{background:#1f7a3a;border-color:#1f7a3a;color:#fff;font-weight:600}.sy-stm-design:hover{background:#17602d}
.sy-stm-design-log{margin:8px 0;padding:8px 10px;border:1px solid #dfe4ee;border-radius:8px;background:#fbfcfe;font-size:12px}.sy-stm-design-log.err{color:#a6260f}.sy-stm-design-log table{margin-top:6px}
/* rev 165 · missing reinforcement panel */
.sy-stm-comp{margin:8px 0;padding:8px 10px;border:1px solid #f0c9c3;border-radius:8px;background:#fff7f5;font-size:12px}.sy-stm-comp-head{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.sy-stm-comp ul{margin:6px 0 0 18px;padding:0}.sy-stm-comp li{margin:2px 0}
/* rev 167 · PT rows in the RC design cards · sectional button */
.sy-rc-pt{margin-top:6px;padding-top:6px;border-top:1px dashed #e3e7ef}.sy-rc-pt>b{align-self:center;margin-right:4px}.sy-stm-sect{background:#1b2a4a;border-color:#1b2a4a;color:#fff;font-weight:600}.sy-stm-sect:hover{background:#101a30}.sy-stm-sect.sel{background:#e8893a;border-color:#e8893a}

/* rev 169 · sectional re-run flash */
.sy-rc-sect-flash{transition:background .4s,color .4s;border-radius:4px;padding:0 3px}.sy-rc-sect-flash.on{background:#1f5fd0;color:#fff}

/* rev 170 · detailed cap editor */
.sy-rce-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,1fr);gap:12px;align-items:start}
.sy-rce-tables table{margin:4px 0 10px}.sy-rce-tables input,.sy-rce-tables select{font-size:12px;padding:2px 4px}
.sy-rce-view{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:6px}.sy-rce-svg{width:100%;height:auto;display:block}
@media (max-width:900px){.sy-rce-grid{grid-template-columns:1fr}}

/* rev 171b · Model data card */
.sy-fd{display:flex;flex-direction:column;gap:10px}
.sy-fd-tabs{display:flex;gap:4px;border-bottom:2px solid #e5e7eb}
.sy-fd-tab{appearance:none;border:0;background:none;padding:8px 14px;font:inherit;font-size:13px;font-weight:600;color:#4b5563;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;border-radius:6px 6px 0 0}
.sy-fd-tab:hover{background:#f3f4f6}.sy-fd-tab.on{color:#0f2a5c;border-bottom-color:#f26b1d}
.sy-fd-tab .n{display:inline-block;margin-left:7px;padding:1px 7px;border-radius:999px;background:#eef2f7;color:#4b5563;font-size:11px;font-weight:600}.sy-fd-tab.on .n{background:#0f2a5c;color:#fff}
.sy-fd-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.sy-fd-sp{flex:1}
.sy-fd-q{flex:0 1 360px;min-width:220px;padding:7px 10px;border:1px solid #d1d5db;border-radius:8px;font:inherit;font-size:13px;background:#fff}.sy-fd-q:focus{outline:none;border-color:#1f5fd0;box-shadow:0 0 0 3px rgba(31,95,208,.12)}
.sy-fd-per{font:inherit;font-size:12px;padding:3px 6px;border:1px solid #d1d5db;border-radius:6px;background:#fff}
.sy-fd-wrap{max-height:520px;overflow:auto;border:1px solid #e5e7eb;border-radius:10px;background:#fff}
.sy-fd-table{border-collapse:separate;border-spacing:0;width:100%;font-size:12.5px;min-width:900px}
.sy-fd-table th{position:sticky;top:0;z-index:1;background:#0f2a5c;color:#fff;text-align:left;padding:8px 10px;font-weight:600;font-size:12px;white-space:nowrap;cursor:pointer;user-select:none;border-right:1px solid rgba(255,255,255,.08)}
.sy-fd-table th:hover{background:#163b7a}.sy-fd-table th.on{background:#f26b1d}
.sy-fd-table th.num,.sy-fd-table td.num{text-align:right;font-variant-numeric:tabular-nums}
.sy-fd-table td{padding:5px 10px;border-bottom:1px solid #f0f2f5;white-space:nowrap;color:#1f2937}
.sy-fd-table td.num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#0f172a}
.sy-fd-table tbody tr:nth-child(even) td{background:#fafbfc}.sy-fd-table tbody tr:hover td{background:#eef4ff}
.sy-fd-table td:first-child,.sy-fd-table th:first-child{position:sticky;left:0;z-index:2}.sy-fd-table td:first-child{background:#fff;font-weight:600}.sy-fd-table tbody tr:nth-child(even) td:first-child{background:#fafbfc}.sy-fd-table th:first-child{z-index:3}
@media (max-width:720px){.sy-fd-wrap{max-height:60vh}.sy-fd-q{flex-basis:100%}}

/* rev 172 · reinforcement editor dialog */
.sy-modal{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:1000;display:flex;align-items:center;justify-content:center;padding:18px}
.sy-modal-card{background:#fff;border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.35);width:min(1380px,100%);max-height:calc(100vh - 36px);display:flex;flex-direction:column;overflow:hidden}
.sy-ed-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid #e5e7eb;background:#0f2a5c;color:#fff}.sy-ed-head b{font-size:16px}.sy-ed-head .u{color:#c7d2e6}
.sy-ed-body{display:grid;grid-template-columns:minmax(620px,800px) minmax(0,1fr);gap:0;overflow:hidden;flex:1;min-height:0}
.sy-ed-form{overflow:auto;padding:14px 18px;border-right:1px solid #e5e7eb;background:#fafbfc}
.sy-ed-view{overflow:auto;padding:14px 18px;display:flex;flex-direction:column;gap:8px;align-items:stretch}
.sy-ed-sec{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:10px 12px;margin-bottom:10px}
.sy-ed-sec h4{margin:0 0 8px;font-size:13px;color:#0f2a5c;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.sy-ed-sec h4 .u{font-weight:400}
.sy-ed-sec p.u{margin:0 0 6px;font-size:12px}
.sy-ed-inline{margin-left:auto;font-weight:400;font-size:12px;color:#4b5563;display:flex;align-items:center;gap:6px}
.sy-ed-fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px 12px}
.sy-ed-fields label{display:flex;flex-direction:column;gap:3px;font-size:12px;color:#4b5563}.sy-ed-fields input,.sy-ed-fields select{font:inherit;font-size:13px;padding:5px 7px;border:1px solid #d1d5db;border-radius:7px;background:#fff;width:100%!important;box-sizing:border-box}
.sy-ed-sec .sy-tablewrap-x{overflow-x:auto;margin:0 -4px;padding:0 4px 6px;scrollbar-width:thin}.sy-ed-table{width:100%}.sy-ed-table th{white-space:nowrap}.sy-ed-table select{max-width:150px}.sy-ed-table input{max-width:60px;padding:4px 4px}.sy-ed-table td,.sy-ed-table th{padding:3px 3px;font-size:12px}.sy-ed-table td{white-space:nowrap;padding:3px 5px}.sy-ed-table input,.sy-ed-table select{font:inherit;font-size:12.5px;padding:4px 6px;border:1px solid #d1d5db;border-radius:6px;background:#fff}
.sy-ed-foot{display:flex;align-items:center;gap:10px;padding:12px 20px;border-top:1px solid #e5e7eb;background:#fff}.sy-ed-sp{flex:1}.sy-ed-sum{font-size:12.5px}
.sy-ed-slider input{width:60%;vertical-align:middle}
.sy-ed-tag{display:inline-block;padding:1px 8px;border-radius:999px;background:#eef2f7;color:#0f2a5c;font-size:11px;font-weight:600;margin:0 4px}
@media (max-width:900px){.sy-ed-body{grid-template-columns:1fr;overflow:auto}.sy-ed-form{border-right:0;border-bottom:1px solid #e5e7eb}}

.sy-ed-check{display:inline-flex;align-items:center;gap:6px;cursor:pointer}.sy-ed-check input{width:16px;height:16px;accent-color:#0f2a5c}
/* rev 173c / 175a · Backfill & soil card: diagram on top, one clean row per input (symbol · name · value · unit), SY GeoData block below — fits the 400 px bench column */
.sy-bf-grid{display:flex;flex-direction:column;gap:10px;margin-top:8px;min-width:0}
.sy-bf-dia{background:#fbfbfc;border:1px solid #e5e7eb;border-radius:10px;padding:6px;min-width:0}
.sy-bfd{width:100%;height:auto;display:block}
.sy-bfd-t{font:11px 'JetBrains Mono',ui-monospace,monospace;fill:#1b2a4a}.sy-bfd-t.sm{font-size:9px;fill:#6b7280;font-family:Inter,system-ui,sans-serif}.sy-bfd-t.blue{fill:#1f5fd0}.sy-bfd-t.brown{fill:#8a6d3b}.sy-bfd-t.orange{fill:#b45309}.sy-bfd-t.red{fill:#b3261e}.sy-bfd-t.teal{fill:#0e7490}.sy-bfd-t.violet{fill:#7c3aed}
.sy-bf-fields{display:flex;flex-direction:column;gap:4px;min-width:0}
.sy-bf-f{display:grid;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:8px;padding:4px 8px;border-radius:8px;border:1px solid #eceef2;background:#fff;min-width:0}
.sy-bf-f:focus-within{border-color:#1b2a4a;box-shadow:0 0 0 2px rgba(27,42,74,.08)}
.sy-bf-sym{font:600 13px 'JetBrains Mono',ui-monospace,monospace;color:#1b2a4a}
.sy-bf-name{font-size:11.5px;color:#555;line-height:1.25;min-width:0}
.sy-bf-in{display:flex;align-items:center;gap:5px;white-space:nowrap}.sy-bf-in input{width:76px;min-width:0;text-align:right}.sy-bf-unit{font-size:11px;color:#6b7280;min-width:40px}
.sy-bf-geo{display:block;margin-top:6px;padding-top:8px;border-top:1px dashed #e5e7eb;min-width:0}
.sy-bf-geot{font-size:12px;color:#1b2a4a}.sy-bf-geo>.u{display:block;margin:2px 0 6px}
.sy-bf-georow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:6px}
.sy-bf-geolist{min-width:0;overflow-x:auto}.sy-bf-geolist table{margin-top:4px;min-width:420px}.sy-bf-geolist .u{display:block;padding:4px 0}
.sy-bftag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;background:#eef0f3;color:#374151}.sy-bftag-ok{background:#e4f4ea;color:#1f7a3a}
.sy-bf-geot{font-size:12px;color:#1b2a4a}.sy-bf-georow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;flex-basis:100%;margin-top:4px}
/* rev 173e · Topic 4 boring-log card */
.sy-geo-card{margin-top:10px;padding:10px 12px;border:1px solid #e5e7eb;border-radius:10px;background:#fbfbfc}
.sy-geo-head{margin-bottom:6px;font-size:12.5px}.sy-geo-head .u{display:block;margin-top:2px}
.sy-geo-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:8px;margin-bottom:6px}.sy-geo-row label{display:flex;flex-direction:column;font-size:11.5px;color:#555;min-width:220px;flex:1}.sy-geo-row select{min-width:0}
.sy-geo-layers{margin-top:6px}.sy-geo-layers summary{cursor:pointer}
/* rev 173f · boring-log column + soil layers in the 2-D views */
.sy-geo-body{display:grid;grid-template-columns:240px minmax(0,1fr);gap:12px;align-items:start}
@media (max-width:520px){.sy-geo-body{grid-template-columns:1fr}}
.sy-geolog{width:100%;max-width:300px;height:auto;display:block;background:#fff;border:1px solid #e5e7eb;border-radius:8px}
.sy-geolog-t{font:9px Inter,system-ui,sans-serif;fill:#444}.sy-geolog-l{font:600 9.5px Inter,system-ui,sans-serif;fill:#1b2a4a}.sy-geolog-v{font-weight:400;fill:#4b5563}.sy-geolog-d{font:8px 'JetBrains Mono',ui-monospace,monospace;fill:#3b4a6b}
.sy-geo-show{display:block;margin-bottom:6px;font-size:12px}
.sy-view .geo-layer{pointer-events:none}.sy-view .geo-lab{font-size:8px;fill:#3b4a6b;font-family:'JetBrains Mono',ui-monospace,monospace}
.sy-dim{opacity:.45}
/* rev 174 · p-y curves card */
.sy-py-card{margin-top:10px;padding:10px 12px;border:1px solid #e5e7eb;border-radius:10px;background:#fbfbfc}.sy-py-head{font-size:12.5px;margin-bottom:6px}.sy-py-head .u{display:block;margin-top:2px}
.sy-py-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:10px}.sy-py-one{background:#fff;border:1px solid #eceef2;border-radius:8px;padding:6px 8px;font-size:12px}.sy-py-one .u{display:block;font-size:11px;margin-bottom:2px}.sy-py-svg{width:100%;height:auto;display:block}.sy-py-flag{color:#b45309}

/* rev 175a · abutment / wall-pier Reinforcement card fits the bench column */
.sy-rcab-card .sy-cn-table td,.sy-rcab-card .sy-cn-table th{white-space:nowrap;font-size:11px}.sy-rcab-card .sy-actions{flex-wrap:wrap;gap:6px}
.sy-bf-inbox{display:flex;flex-direction:column;gap:4px}.sy-bf-row{display:flex;align-items:center;gap:6px;padding:4px 8px;border:1px solid #eceef2;border-radius:8px;background:#fff;min-width:0}.sy-bf-rowt{flex:1;min-width:0;display:flex;flex-direction:column}.sy-bf-rowt b{font-size:11.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sy-bf-rowt .u{font-size:10.5px}
/* rev 194: element size by structural group (model settings) */
.sy-mesh .sy-lib-grid { grid-template-columns: minmax(300px, 4fr) minmax(110px, 1fr) auto; }
.sy-chip-xs { padding: 2px 8px; font-size: 11px; cursor: default; margin: 2px 0; } .sy-chip-xs b { cursor: pointer; margin-left: 2px; }
/* rev 202 · elastomeric bearing design inputs with the BR-541 sheet */
.sy-brgdes { margin: 6px 0 8px; } .sy-brgdes .sy-row3 { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: end; } .sy-brgdes label { font-size: 12px; } .sy-brgdes .sy-inline { align-self: center; }
.sy-dwg-main{min-width:0}
/* rev 204 · drawing-set revisions */
.sy-dwgrev { margin: 0 0 10px; } .sy-dwgrev table { margin: 6px 0; } .sy-dwgrev input { font-size: 12px; padding: 2px 4px; }

/* rev 207: check-case rows of the stages card */
.sy-stg-check td { background: #f6f8fb; font-size: 0.92em; }

/* rev 216: video row of the member-force-diagram section */
.sy-fd-video { margin-top: 4px; padding: 6px 10px; border: 1px solid #e3e8f0; border-radius: 8px; background: #f8fafc; } .sy-fd-video .sy-rec { align-items: center; } .sy-fd-video #fdRecStage { display: inline-flex; align-items: center; gap: 4px; flex-wrap: wrap; } .sy-fd-video #fdRecStage[hidden] { display: none; } .sy-fd-video #fdRecEnd { max-width: 260px; }
@media (max-width: 720px) { .sy-fd-video .sy-rec { flex-direction: column; align-items: stretch; } .sy-fd-video #fdRecEnd { max-width: none; } }

/* rev 218: tendon results card */
.sy-tr { margin-top: 10px; padding: 8px 10px 10px; border: 1px solid #e3e8f0; border-radius: 10px; background: #fff; } .sy-tr .sy-tr-bar { margin-bottom: 6px; } .sy-tr-info { margin-top: 6px; } .sy-tr-kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 6px 14px; font-size: 12px; padding: 6px 0 0; } .sy-tr-kv b { color: #2d3a46; } .sy-tr-svg { width: 100%; height: auto; }

/* rev 219: "Processing…" indicator that keeps moving while the page is busy — compositor-driven (transform / opacity) animations run even when the main thread is blocked by a solve */
.sy-progress { position: relative; }
.sy-progress.busy .sy-progress-bar::after { content: ''; position: absolute; top: 0; left: 0; width: 60px; height: 100%; background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.45) 50%, rgba(255,255,255,0) 100%); animation: sy-shine 1.3s linear infinite; will-change: transform; }
.sy-progress-bar { position: relative; overflow: hidden; }
@keyframes sy-shine { from { transform: translateX(-60px); } to { transform: translateX(1200px); } }
.sy-busy { display: inline-flex; align-items: center; gap: 6px; margin-left: 8px; color: var(--sy-accent, #d9341b); font-weight: 600; font-size: 12px; }
.sy-busy .d { width: 7px; height: 7px; border-radius: 50%; background: currentColor; animation: sy-pulse 1s ease-in-out infinite; will-change: transform, opacity; }
.sy-busy .d:nth-child(2) { animation-delay: .2s; } .sy-busy .d:nth-child(3) { animation-delay: .4s; }
@keyframes sy-pulse { 0%, 100% { transform: scale(.6); opacity: .35; } 50% { transform: scale(1); opacity: 1; } }
.sy-busy[hidden] { display: none; }

/* rev 220 */
#trRespWrap[hidden] { display: none; }

/* rev 223: tendon geometry — elevation and the section card side by side */
.sy-tr-geo { display: block; } .sy-tr-geo-elev svg { width: 100%; height: auto; } .sy-tr-geo-sec { margin-top: 8px; max-width: 640px; } .sy-tr-geo-sec .sy-scrub-sec svg { width: 100%; height: auto; max-height: 340px; } .sy-rb-ok { color: #1f7a3a; margin-top: 4px; } .sy-tr-geo-l .sy-td-view svg { width: 100%; height: auto; } .sy-tr-geo-r { margin: 0; } .sy-tr-geo-r .sy-scrub-sec svg { width: 100%; height: auto; max-height: 360px; } .sy-tr-geo-hint { margin-top: 4px; font-size: 11.5px; }
@media (max-width: 980px) { .sy-tr-geo { grid-template-columns: 1fr; } }

/* rev 226: sectional limits on the member-force diagrams */
.sy-fd-limit{margin:6px 0 10px;padding:8px 10px;border:1px solid #e3e7ee;border-radius:8px;background:#fbfcfe;font-size:12px}
.sy-fd-limit.over{border-color:#f0b8b3;background:#fff7f6}
.sy-fd-limit.ok{border-color:#bfe3c9;background:#f4fbf6}
.sy-fd-limit h4{margin:0 0 4px;font-size:12.5px;color:#1f2d4d}
.sy-fd-limit .sy-fd-over{margin:4px 0 0 16px;padding:0;color:#7a1d16}
.sy-fd-limit .sy-fd-over li{margin:1px 0}
.sy-fd-limit .sy-fd-chg{margin:6px 0 0;padding:6px 8px;border-left:3px solid #0b57d0;background:#fff;font-size:11.5px}
.sy-fd-limit .sy-fd-chg li{margin:2px 0 2px 14px}
.sy-fd-notice{margin:0 0 8px;padding:8px 10px;border-radius:6px;font-size:12px;line-height:1.45}
.sy-fd-notice.upd{background:#eaf6ee;border:1px solid #9fd3b1;border-left:4px solid #1e8e4a;color:#14422a}
.sy-fd-notice.rec{background:#eef3fb;border:1px solid #b9cdf0;border-left:4px solid #0b57d0;color:#1f2d4d}
.sy-fd-notice ul{margin:4px 0 4px 18px;padding:0}.sy-fd-notice li{margin:1px 0}.sy-fd-notice p{margin:4px 0}.sy-fd-notice .u{color:#5d6470;font-weight:400}
.sy-fd-tag{display:inline-block;font-size:9.5px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;padding:0 5px;border-radius:3px;vertical-align:middle}
.sy-fd-tag.upd{background:#d5efdd;color:#14622f}.sy-fd-tag.rec{background:#dde7f8;color:#0b3f94}
.sy-btn-attn{box-shadow:0 0 0 3px #ffd77a;animation:syAttn 1.2s ease-in-out 3}
@keyframes syAttn{0%,100%{box-shadow:0 0 0 3px #ffd77a}50%{box-shadow:0 0 0 7px rgba(255,215,122,.25)}}
.sy-fd-limit .u{color:#5d6470}

/* rev 229: video studio */
.sy-vs{margin:8px 0 12px;padding:12px 14px;border:1px solid #dfe4ec;border-radius:12px;background:linear-gradient(180deg,#fbfcfe,#f3f6fb)}
.sy-vs-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:8px;font-size:13px}
.sy-vs-grid{display:grid;grid-template-columns:2.2fr 1.2fr .8fr 1.2fr .6fr 1fr;gap:8px 12px;align-items:end}
.sy-vs-grid label{display:flex;flex-direction:column;gap:3px;font-size:12px;color:#3b4557}
.sy-vs-grid select,.sy-vs-grid input{width:100%;box-sizing:border-box}
.sy-vs-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin-top:10px}
.sy-vs-row .sy-btn{margin-left:auto}
.sy-vs-story{margin-top:8px;padding:8px 10px;border-left:3px solid #0b57d0;background:#fff;font-size:11.5px;color:#3b4557;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:4px 14px}
.sy-vs-story b{color:#1f2d4d}
@media (max-width:980px){.sy-vs-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.sy-vs-grid{grid-template-columns:1fr}.sy-vs-row .sy-btn{margin-left:0}}
/* rev 251: K · Reports & drawings composer */
.sy-rp-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:18px}
@media (max-width:1100px){.sy-rp-wrap{grid-template-columns:1fr}}
.sy-rp-col h3{font-size:12px;margin:12px 0 6px;letter-spacing:.04em;text-transform:uppercase;color:var(--sy-mute,#5b6670)}
.sy-rp-list{display:grid;grid-template-columns:1fr 1fr;gap:4px 14px}
.sy-rp-item{display:flex;gap:8px;align-items:flex-start;padding:5px 6px;border:1px solid var(--sy-line,#dde3e8);border-radius:6px;font-size:12px;cursor:pointer}
.sy-rp-item input{margin-top:3px}
.sy-rp-item span b{display:block;font-weight:600}
.sy-rp-item span .u{display:block;font-size:10.5px}
.sy-rp-grp{margin:0 0 10px}
.sy-rp-grph{font-size:11px;letter-spacing:.06em;text-transform:uppercase;margin:0 0 4px}
.sy-rp-grp .sy-rp-item{margin:0 0 3px}
.sy-rp-col .sy-span2{grid-column:span 2}
.sy-rp-col textarea{width:100%;box-sizing:border-box;font:inherit;font-size:12px}

/* rev 253: server jobs */
.sy-an-notify{display:inline-flex;gap:8px;align-items:center;margin-left:12px;font-size:12px;flex-wrap:wrap}
.sy-an-to{display:inline-flex;gap:4px;flex-wrap:wrap}
.sy-an-to .chip{display:inline-flex;align-items:center;gap:4px;padding:1px 6px 1px 8px;border:1px solid var(--sy-line,#cfd6dc);border-radius:12px;background:#fff;font-size:11.5px;color:#17202a}
.sy-an-to .chip.team{border-color:#9bb8d6;background:#eef4fa}
.sy-an-to .chip button{border:0;background:none;cursor:pointer;color:#8a8f94;font-size:13px;line-height:1;padding:0 2px}
.sy-an-to .chip button:hover{color:#c8322b}
.sy-an-notify .u.warn{color:#b3541e}
.sy-an-jobs{margin:8px 0 0;border:1px solid var(--sy-line,#dde3e8);border-radius:8px;padding:8px 12px;font-size:12.5px;background:var(--sy-soft,#f7f8fa)}
.sy-an-jobs .j{display:grid;grid-template-columns:1fr auto;gap:4px 12px;align-items:center;padding:6px 0;border-top:1px solid var(--sy-line,#e3e7ea)}
.sy-an-jobs .j:first-of-type{border-top:0}
.sy-an-jobs .j .t{font-weight:600}
.sy-an-jobs .j .u{display:block}
.sy-an-jobs .j .sy-progress{height:4px;margin-top:4px}
.sy-an-jobs .j.done .t::before{content:"● ";color:#1f7a3a}
.sy-an-jobs .j.running .t::before{content:"● ";color:#c8322b}
.sy-an-jobs .j.failed .t::before,.sy-an-jobs .j.terminated .t::before{content:"● ";color:#8a8f94}

input.sy-bad{border-color:var(--sy-bad)!important}
/* rev 260 · Model data manual edits */
.sy-fd-edit{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:8px 0 2px}
.sy-fd-table th.chk,.sy-fd-table td.chk{width:28px;text-align:center;padding-left:8px;padding-right:4px}
.sy-fd-table tr.sel td{background:#fff7e6}
.sy-fd-table tr.manual td:first-child{box-shadow:inset 3px 0 0 #c8381f}
.sy-fd-table tr.sy-fd-add td{background:#0f172a;color:#fff;border-top:2px solid #0f2a5c}
.sy-fd-table tr.sy-fd-add td .u{color:#cbd5e1}
.sy-fd-table td input,.sy-fd-table td select{width:100%;min-width:64px;box-sizing:border-box;font:inherit;font-size:12px;padding:3px 6px;border:1px solid #cbd5e1;border-radius:5px;background:#fff;color:#111}
.sy-fd-table td.num input{text-align:right;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.sy-fd-table tr.sy-fd-add td input,.sy-fd-table tr.sy-fd-add td select{background:#fff}
.sy-fd-edits{margin:6px 0 2px;border:1px solid #e5e7eb;border-radius:10px;padding:8px 12px;background:#fafafa}
.sy-fd-edhead{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}.sy-fd-edhead .sy-btn{margin-left:auto}
.sy-fd-edrow{display:flex;align-items:center;gap:10px;padding:5px 0;border-top:1px solid #eee;font-size:12.5px;flex-wrap:wrap}.sy-fd-edrow span{min-width:160px}.sy-fd-edrow:first-of-type{border-top:0}
.sy-fd-edrow code{font-size:11.5px;background:#eef2ff;padding:2px 6px;border-radius:4px;white-space:nowrap}.sy-fd-edrow span{flex:1;color:#444}.sy-fd-edrow b{color:#a12626;font-weight:600}
.sy-fd-edrow.missing code,.sy-fd-edrow.invalid code{background:#fde8e8}
.sy-fd-edmsg{min-width:0}
.sy-fd-adv{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:14px;margin:8px 0 4px}.sy-fd-adv section{border:1px solid #e5e7eb;border-radius:10px;padding:12px 14px;background:#fff;min-width:0}.sy-fd-adv section.wide{grid-column:1 / -1}
.sy-fd-adv h4{margin:0 0 6px;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:#334155}.sy-fd-adv p.u{margin:0 0 8px;font-size:12px;line-height:1.45}
.sy-fd-ver{min-width:0}.sy-fd-ver th{position:static;cursor:default}.sy-fd-ver td.act{white-space:nowrap;text-align:right}
.sy-fd-verform{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin-top:10px}.sy-fd-verform label{display:flex;flex-direction:column;gap:3px;font-size:11.5px;color:#475569}.sy-fd-verform label.grow{flex:1;min-width:220px}.sy-fd-verform input{font:inherit;font-size:12.5px;padding:5px 8px;border:1px solid #cbd5e1;border-radius:6px}.sy-fd-verform input[name=no]{width:70px}
@media (max-width:720px){.sy-fd-adv{grid-template-columns:1fr}}