/* 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; }
.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: 6px; background: var(--sy-bg-2); border-radius: 3px; overflow: hidden; margin: 6px 0 8px; } .sy-progress-bar { height: 100%; width: 0; background: var(--sy-accent); transition: width .2s; }

/* 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; }
.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 */
.sy-an-class{border:1px solid #d3d8e3;border-radius:8px;padding:8px 10px;margin:6px 0;background:#fafbfd}
.sy-an-classhead{font-size:13px}
.sy-an-types{display:grid;grid-template-columns:1fr;gap:3px 14px;margin:6px 0 4px}
.sy-an-types label{font-size:12px;display:flex;align-items:center;gap:8px;text-align:left}
.sy-an-types label>span:first-of-type,.sy-an-types label input+*{flex:1}
#anSet td{white-space:normal;font-size:11px}
#anSet td:nth-child(2){min-width:180px}
.sy-an-types .sy-chip{margin-left:auto;cursor:default;font-size:10px;padding:0 7px}
.sy-an-types .sub{color:#6b7280;font-size:11px}
.sy-an-credit{margin:8px 0;padding:8px 12px;border-radius:8px;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}
.sy-an-guide{font-size:11.5px;color:#334155;background:#fff;border:1px dashed #c9d2e3;border-radius:6px;padding:6px 10px;margin:6px 0;line-height:1.45}
.sy-an-guide b{color:#1f2d4d}