:root {
  --bg: #f4f5f7; --panel: #fff; --line: #e3e6eb; --text: #1f2933; --muted: #6b7380; --faint: #9aa1ab;
  --accent: #2563eb; --accent-soft: #e8efff;
  --good: #15803d; --good-soft: #e7f6ec; --warn: #b45309; --warn-soft: #fff4e0; --bad: #c62828; --bad-soft: #fdecec;
  --human: #6d28d9; --human-soft: #f1ebff;
  --radius: 8px; --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text); background: var(--bg); display: flex; flex-direction: column; overflow: hidden;
}
button, select, input, textarea { font: inherit; color: inherit; }
.muted { color: var(--muted); }
.pad { padding: 12px; }
.num { font-variant-numeric: tabular-nums; }

/* 顶栏 */
.topbar { height: 52px; flex: none; display: flex; align-items: center; justify-content: space-between; padding: 0 16px;
  background: #111827; color: #fff; }
.brand { display: flex; align-items: baseline; gap: 10px; }
.logo { font-size: 20px; }
.brand-name { font-size: 16px; font-weight: 600; letter-spacing: .5px; }
.brand-sub { color: #9ca3af; font-size: 12px; }
.top-actions { display: flex; align-items: center; gap: 12px; }
.hint { color: #9ca3af; font-size: 12px; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px;
  background: #fff; cursor: pointer; font-size: 13px; white-space: nowrap; user-select: none; }
.btn:hover { border-color: #c4c9d2; background: #fafbfc; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #1d4fd8; }
.btn.small { padding: 2px 8px; font-size: 12px; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn:disabled { opacity: .5; cursor: default; }

.layout { flex: 1; display: flex; min-height: 0; }

/* 侧栏 */
.sidebar { width: 300px; flex: none; background: var(--panel); border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }
.dropzone { display: flex; align-items: center; gap: 10px; border: 1.5px dashed #c3cad5; border-radius: 10px; background: #fafbfd; cursor: pointer;
  transition: border-color .15s, background .15s; }
.dropzone:hover { border-color: var(--accent); background: var(--accent-soft); }
.dropzone.mini { margin: 10px 10px 6px; padding: 9px 12px; font-size: 13px; line-height: 1.4; }
.dropzone.mini .muted { font-size: 12px; }
.dz-icon { width: 32px; height: 32px; flex: none; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent); font-size: 16px; font-weight: 700; }
.dz-icon.big { width: 56px; height: 56px; font-size: 26px; }
.side-tools { padding: 0 10px 6px; }
.side-tools input { width: 100%; padding: 5px 9px; border: 1px solid var(--line); border-radius: 6px; background: #fff; font-size: 13px; }
.side-tools input:focus { outline: none; border-color: var(--accent); }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: #f1f3f5; color: var(--text); white-space: nowrap; }
.chip.good { background: var(--good-soft); color: var(--good); }
.chip.warn { background: var(--warn-soft); color: var(--warn); }
.chip.bad { background: var(--bad-soft); color: var(--bad); }
.chip.human { background: var(--human-soft); color: var(--human); }
.chip.info { background: var(--accent-soft); color: var(--accent); }
.filters { display: flex; gap: 4px; padding: 2px 10px 8px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.filters button { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 1px 10px; font-size: 12px; cursor: pointer; }
.filters button b { font-weight: 600; margin-left: 2px; }
.filters button.on { background: var(--text); color: #fff; border-color: var(--text); }
.list { flex: 1; overflow-y: auto; }
.item { position: relative; padding: 8px 30px 8px 14px; border-bottom: 1px solid #f0f2f5; cursor: pointer; }
.item:hover { background: #f7f9fc; }
.item.sel { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); }
.item.pending { cursor: default; opacity: .75; }
.item .r1 { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.item .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.item .r2 { color: var(--muted); font-size: 12px; display: flex; gap: 6px; flex-wrap: wrap; margin-top: 2px; }
.item .r2 b { color: var(--text); }
.item .time { color: var(--faint); }
.item .del { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; border: 0; border-radius: 4px;
  background: transparent; color: var(--faint); font-size: 16px; line-height: 1; cursor: pointer; opacity: 0; }
.item:hover .del { opacity: 1; }
.item .del:hover { background: var(--bad-soft); color: var(--bad); }
.empty-list { padding: 28px 16px; text-align: center; line-height: 1.8; }
.badge .spinner { width: 10px; height: 10px; vertical-align: -1px; border-width: 2px; }
.badge { display: inline-block; padding: 0 7px; border-radius: 4px; font-size: 12px; line-height: 20px; white-space: nowrap; }
.badge.ok { background: var(--good-soft); color: var(--good); }
.badge.need { background: var(--warn-soft); color: var(--warn); }
.badge.fail { background: var(--bad-soft); color: var(--bad); }
.badge.none { background: #f1f3f5; color: var(--muted); }
.badge.run { background: var(--accent-soft); color: var(--accent); }
.badge.human { background: var(--human-soft); color: var(--human); }

/* 主区 */
.main { flex: 1; display: flex; min-width: 0; min-height: 0; }
.welcome { margin: auto; width: min(640px, 92%); color: var(--muted); padding: 24px 0; }
.dropzone.big { flex-direction: column; gap: 8px; padding: 40px 24px; text-align: center; border-width: 2px; border-radius: 14px; background: #fff; }
.dz-title { color: var(--text); font-size: 18px; font-weight: 600; }
.dz-formats { font-size: 12px; color: var(--faint); }
.steps { margin: 22px 0 10px; padding-left: 20px; line-height: 1.6; }
.steps li { margin: 5px 0; }
.steps b { color: var(--text); }
.small { font-size: 12px; }
.kind-tag { display: inline-block; margin-left: 6px; padding: 0 6px; border-radius: 4px; background: #f1f3f5; color: var(--muted); font-size: 11px; font-weight: 400; vertical-align: 1px; }

/* 拖拽上传：整个窗口都能放 */
.drop-overlay { position: fixed; inset: 0; z-index: 80; background: rgba(37, 99, 235, .12); display: flex; align-items: center; justify-content: center;
  border: 3px dashed var(--accent); pointer-events: none; }
.drop-overlay[hidden] { display: none; }
.drop-card { background: #fff; border-radius: 14px; padding: 28px 40px; text-align: center; box-shadow: 0 20px 50px rgba(0, 0, 0, .18);
  display: flex; flex-direction: column; align-items: center; gap: 8px; }
.drop-title { font-size: 20px; font-weight: 600; color: var(--text); }
.btn.danger-ghost { color: var(--bad); border-color: transparent; background: transparent; }
.btn.danger-ghost:hover { background: var(--bad-soft); border-color: #f3c0c0; }
.viewer-pane { flex: 1.15; display: flex; flex-direction: column; min-width: 0; border-right: 1px solid var(--line); }
.viewer-bar { display: flex; align-items: center; gap: 8px; padding: 6px 10px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.viewer-bar .title { font-weight: 600; margin-right: auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1 1 0; min-width: 140px; }
.legend { display: flex; gap: 10px; font-size: 12px; color: var(--muted); }
.legend i { display: inline-block; width: 12px; height: 9px; border: 2px solid; border-radius: 2px; margin-right: 3px; vertical-align: -1px; }
.legend .lg-good { border-color: #16a34a; } .legend .lg-bad { border-color: #dc2626; } .legend .lg-used { border-color: #2563eb; background: rgba(37, 99, 235, .15); }
.viewer { flex: 1; position: relative; overflow: hidden; background: #e9ecf1; cursor: grab; }
.viewer.dragging { cursor: grabbing; }
.viewer.armed { cursor: crosshair; }
.stage { position: absolute; left: 0; top: 0; transform-origin: 0 0; }
.stage img { display: block; user-select: none; -webkit-user-drag: none; background: #fff; box-shadow: 0 2px 10px rgba(0, 0, 0, .15); }
.stage svg { position: absolute; left: 0; top: 0; overflow: visible; }
.box rect { fill: rgba(22, 163, 74, .06); stroke: #16a34a; stroke-width: 2; vector-effect: non-scaling-stroke; cursor: pointer; }
.box text { fill: #fff; font-weight: 700; paint-order: stroke; stroke: #16a34a; stroke-width: 6px; stroke-linejoin: round; cursor: pointer; }
.box.bad rect { fill: rgba(220, 38, 38, .08); stroke: #dc2626; }
.box.bad text { stroke: #dc2626; }
.box.used rect { fill: rgba(37, 99, 235, .16); stroke: #2563eb; stroke-width: 3; }
.box.used text { stroke: #2563eb; }
.box.used.bad rect { stroke: #dc2626; fill: rgba(220, 38, 38, .18); }
.box.hot rect { fill: rgba(250, 204, 21, .35); stroke: #ca8a04; stroke-width: 4; }
.box.hot text { stroke: #ca8a04; }
.box.dim { opacity: .35; }
.tip { position: absolute; pointer-events: none; z-index: 5; background: rgba(17, 24, 39, .94); color: #fff; padding: 6px 9px; border-radius: 6px; font-size: 12px;
  max-width: 320px; display: none; line-height: 1.6; }
.tip b { color: #fcd34d; }
.armed-banner { position: absolute; left: 50%; top: 10px; transform: translateX(-50%); z-index: 6; background: var(--human); color: #fff; padding: 6px 14px; border-radius: 999px;
  font-size: 13px; box-shadow: var(--shadow); }
.armed-banner button { margin-left: 8px; background: rgba(255, 255, 255, .2); border: 0; color: #fff; border-radius: 4px; padding: 0 8px; cursor: pointer; }

/* 结果面板 */
.panel { flex: 1; min-width: 380px; max-width: 760px; overflow-y: auto; padding: 12px 14px 40px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 12px; }
.card > .hd { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-bottom: 1px solid var(--line); font-weight: 600; }
.card > .hd .sub { font-weight: 400; color: var(--muted); font-size: 12px; }
.card > .hd .right { margin-left: auto; display: flex; gap: 6px; align-items: center; font-weight: 400; }
.card > .bd { padding: 10px 12px; }
.banner { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius); margin-bottom: 12px; font-weight: 600; border: 1px solid; }
.banner .icon { font-size: 18px; }
.banner .sub { font-weight: 400; font-size: 12px; opacity: .85; }
.banner.ok { background: var(--good-soft); color: var(--good); border-color: #bfe5cb; }
.banner.need { background: var(--warn-soft); color: var(--warn); border-color: #f5d9a8; }
.banner.fail { background: var(--bad-soft); color: var(--bad); border-color: #f3c0c0; }
.banner.human { background: var(--human-soft); color: var(--human); border-color: #d9c9fb; }
.banner.run { background: var(--accent-soft); color: var(--accent); border-color: #c7d7fe; }

.weight { display: grid; grid-template-columns: 1.2fr 1fr; gap: 12px; }
.weight .big { font-size: 34px; font-weight: 700; line-height: 1.1; }
.weight .big small { font-size: 15px; font-weight: 500; color: var(--muted); margin-left: 4px; }
.weight .cap { color: var(--muted); font-size: 12px; }
.weight .err { font-size: 13px; margin-top: 4px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; text-align: right; }
.votes { margin-top: 8px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; font-size: 12px; color: var(--muted); }

.tpl-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tpl-row select { padding: 4px 6px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.tpl-src { color: var(--muted); font-size: 12px; margin-top: 6px; }

.flags { list-style: none; margin: 0; padding: 0; }
.flags li { padding: 5px 8px; border-radius: 6px; margin-bottom: 4px; font-size: 13px; display: flex; gap: 6px; align-items: flex-start; }
.flags li.block { background: var(--bad-soft); color: #8b1c1c; }
.flags li.info { background: #f3f4f6; color: #4b5563; }
.flags li.resolved { background: var(--human-soft); color: var(--human); text-decoration: line-through; text-decoration-color: rgba(109, 40, 217, .5); }
.flags li .lnk { cursor: pointer; text-decoration: underline dotted; }

table.t { width: 100%; border-collapse: collapse; font-size: 13px; }
table.t th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; padding: 5px 6px; border-bottom: 1px solid var(--line); background: #fafbfc; position: sticky; top: 0; }
table.t td { padding: 5px 6px; border-bottom: 1px solid #f0f2f5; vertical-align: top; }
table.t tr.hot td { background: #fffbea; }
table.t tr.edited td { background: #faf7ff; }
table.t tr.flagged td:first-child { box-shadow: inset 3px 0 0 var(--bad); }
table.t td.r { text-align: right; }
.slot-label { font-weight: 600; white-space: nowrap; }
.req { font-size: 11px; color: var(--faint); margin-left: 4px; font-weight: 400; }
.req.must { color: var(--bad); }
.role { color: var(--faint); font-size: 11px; line-height: 1.35; margin-top: 1px; max-width: 220px; }
.slot-ctl { display: flex; gap: 4px; align-items: center; }
.slot-ctl select { max-width: 210px; padding: 2px 4px; border: 1px solid var(--line); border-radius: 5px; background: #fff; }
.slot-ctl input { width: 140px; padding: 2px 6px; border: 1px solid var(--line); border-radius: 5px; }
.pick { border: 1px solid var(--line); background: #fff; border-radius: 5px; cursor: pointer; padding: 0 5px; line-height: 22px; }
.pick:hover, .pick.on { background: var(--human); color: #fff; border-color: var(--human); }
.val { font-weight: 600; }
.rule { color: var(--faint); font-size: 11px; }
.src { font-size: 12px; white-space: nowrap; }
.ag { font-size: 11px; padding: 0 5px; border-radius: 3px; white-space: nowrap; }
.ag.good { background: var(--good-soft); color: var(--good); }
.ag.bad { background: var(--bad-soft); color: var(--bad); }
.ag.human { background: var(--human-soft); color: var(--human); }
.ag.none { background: #f1f3f5; color: var(--muted); }
.slot-flag { color: var(--bad); font-size: 11px; line-height: 1.35; margin-top: 2px; }
.slot-info { color: var(--faint); font-size: 11px; line-height: 1.35; margin-top: 2px; }
.gold { font-size: 12px; white-space: nowrap; }
.gold.same { color: var(--good); }
.gold.diff { color: var(--warn); }

details.card > summary { list-style: none; cursor: pointer; padding: 9px 12px; font-weight: 600; display: flex; gap: 8px; align-items: center; }
details.card > summary::-webkit-details-marker { display: none; }
details.card > summary::before { content: "▸"; color: var(--faint); transition: transform .15s; }
details.card[open] > summary::before { transform: rotate(90deg); }
details.card > summary .sub { font-weight: 400; color: var(--muted); font-size: 12px; }
details.card > .bd { padding: 0 12px 10px; overflow-x: auto; }
.check-ok { color: var(--good); } .check-bad { color: var(--bad); font-weight: 600; }

.job { font-size: 13px; }
.job .log { margin: 8px 0 0; padding: 0; list-style: none; max-height: 220px; overflow-y: auto; }
.job .log li { padding: 2px 0; display: flex; gap: 8px; }
.job .log li .t { color: var(--faint); width: 52px; flex: none; text-align: right; font-variant-numeric: tabular-nums; }
.job .log li:last-child { font-weight: 600; }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid #c7d7fe; border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

textarea.struct { width: 100%; min-height: 220px; font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; border: 1px solid var(--line); border-radius: 6px; padding: 8px; }
.actions { display: flex; gap: 8px; justify-content: flex-end; align-items: center; flex-wrap: wrap; }
.notes { font-size: 12px; color: var(--muted); white-space: pre-wrap; }
.toast { position: fixed; right: 16px; bottom: 16px; background: #111827; color: #fff; padding: 9px 14px; border-radius: 8px; font-size: 13px;
  opacity: 0; transform: translateY(8px); transition: all .2s; pointer-events: none; max-width: 420px; z-index: 50; }
.toast.show { opacity: 1; transform: none; }
.toast.err { background: var(--bad); }

@media (max-width: 1180px) {
  .main { flex-direction: column; overflow-y: auto; }
  .viewer-pane { flex: none; height: 62vh; border-right: 0; border-bottom: 1px solid var(--line); }
  .panel { max-width: none; overflow: visible; }
}

/* 顶栏：识别设置 */
.btn.dark { background: #1f2937; border-color: #374151; color: #e5e7eb; }
.btn.dark:hover { background: #273244; border-color: #4b5563; }
.set-sum { color: #cbd5e1; font-size: 12px; max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 设置弹窗 */
.modal-bg { position: fixed; inset: 0; background: rgba(15, 23, 42, .45); z-index: 60; display: flex; align-items: center; justify-content: center; }
.modal-bg[hidden] { display: none; }
.modal { width: min(620px, 94vw); max-height: 90vh; display: flex; flex-direction: column; background: #fff; border-radius: 10px; box-shadow: 0 20px 50px rgba(0, 0, 0, .3); }
.modal-hd { display: flex; align-items: baseline; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-weight: 600; font-size: 15px; }
.modal-hd .sub { font-weight: 400; font-size: 12px; color: var(--muted); }
.modal-hd .x { margin-left: auto; border: 0; background: none; font-size: 20px; line-height: 1; cursor: pointer; color: var(--muted); }
.modal-bd { padding: 14px 16px; overflow-y: auto; }
.modal-ft { display: flex; gap: 8px; padding: 10px 16px; border-top: 1px solid var(--line); }
.form { display: grid; grid-template-columns: 130px 1fr; gap: 10px 12px; align-items: start; }
.form > label { color: var(--muted); font-size: 13px; padding-top: 5px; }
.form select, .form input { padding: 4px 8px; border: 1px solid var(--line); border-radius: 6px; background: #fff; min-width: 220px; }
.form input[type="number"] { min-width: 0; width: 90px; }
.form .help { color: var(--faint); font-size: 11px; margin-top: 3px; }

/* 叠加剖面：控制条 */
.ovl-bar[hidden] { display: none; }
.ovl-bar { display: flex; align-items: center; gap: 8px; padding: 4px 10px; background: #fbfbfc; border-bottom: 1px solid var(--line); font-size: 12px; flex-wrap: wrap; }
.ovl-tg { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; cursor: pointer; }
.ovl-bar input[type="range"] { width: 80px; }
.ovl-badge { padding: 1px 8px; border-radius: 999px; max-width: 520px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-flex; align-items: center; gap: 4px; }
.ovl-badge.ok { background: var(--good-soft); color: var(--good); }
.ovl-badge.bad { background: var(--bad-soft); color: var(--bad); }
.ovl-badge.none { background: #f1f3f5; color: var(--muted); }
.ovl-badge.run { background: var(--accent-soft); color: var(--accent); }
.ovl-badge .spinner { width: 11px; height: 11px; }
.ovl-hint { color: var(--faint); margin-left: auto; }

/* 叠加剖面：图层（在标注框下面）。两层 SVG 只让图形接收鼠标，空白处让给底下的拖动平移 */
.stage svg#sec, .stage svg#ov, .stage svg#meas { pointer-events: none; }
#ov g.box { pointer-events: auto; }
#sec polygon { pointer-events: visiblePainted; cursor: move; fill: #f87171; stroke: #e11d1d; stroke-width: 2.5; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
#sec .sec.bad polygon { stroke-dasharray: 9 5; }
#sec .sec.manual polygon { stroke: #9ca3af; fill: #d1d5db; }

/* 直接量图（实验） */
#meas polygon { fill: rgba(13, 148, 136, .28); stroke: #0d9488; stroke-width: 2; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
#meas line { stroke: #0d9488; stroke-width: 2; stroke-dasharray: 12 4 2 4; vector-effect: non-scaling-stroke; }
#meas rect.mhint { fill: none; stroke: #f59e0b; stroke-width: 2; stroke-dasharray: 6 4; vector-effect: non-scaling-stroke; }
.meas-tg { color: #0d9488; }
.meas-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.meas-row .big { font-size: 26px; font-weight: 700; }
.meas-row .big small { font-size: 13px; font-weight: 500; color: var(--muted); margin-left: 3px; }
.card .cmp { margin: 6px 0 4px; font-size: 13px; }
.card .cap { font-size: 12px; margin-top: 3px; line-height: 1.5; }

/* 截面草图 */
#meas .sketch polygon.sk-sec { fill: rgba(13, 148, 136, .30); stroke: #0f766e; stroke-width: 2; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
#meas .sketch polygon.sk-nib { fill: rgba(245, 158, 11, .45); stroke: #b45309; stroke-width: 2; vector-effect: non-scaling-stroke; }
#meas .sketch polygon.sk-mirror { fill: rgba(13, 148, 136, .06); stroke: #0f766e; stroke-width: 1.2; stroke-dasharray: 6 4; vector-effect: non-scaling-stroke; }
#meas .sketch line.sk-axis { stroke: #0f766e; stroke-width: 1.5; stroke-dasharray: 14 4 2 4; vector-effect: non-scaling-stroke; }
#meas .sketch line.sk-miss { stroke: #dc2626; stroke-width: 4; stroke-linecap: round; vector-effect: non-scaling-stroke; }
#meas .sketch line.ck { stroke-width: 2; vector-effect: non-scaling-stroke; }
#meas .sketch text.ck { paint-order: stroke; stroke: #fff; stroke-width: 3px; stroke-linejoin: round; font-weight: 600;
  font-size: var(--ck-fs, 12px); dominant-baseline: middle; vector-effect: non-scaling-stroke; }
#meas .sketch .ck.ok { stroke: #16a34a; fill: #15803d; }
#meas .sketch .ck.resnap { stroke: #2563eb; fill: #1d4ed8; }
#meas .sketch .ck.bad { stroke: #dc2626; fill: #b91c1c; }
#meas .sketch .ck.nosnap { stroke: #9ca3af; fill: #6b7280; }
#meas .sketch .ck.fixed { stroke: #2563eb; fill: #1d4ed8; }
#meas .sketch .ck.rej { stroke: #dc2626; fill: #b91c1c; stroke-dasharray: 4 3; }
#meas .sketch text.ck { stroke: #fff !important; }
.card table.cktab { width: 100%; border-collapse: collapse; font-size: 12px; margin: 6px 0 2px; }
.card table.cktab th, .card table.cktab td { padding: 3px 4px; border-bottom: 1px solid var(--line, #e5e7eb); text-align: left; }
.card table.cktab td.num { text-align: right; font-variant-numeric: tabular-nums; }
.card table.cktab .chip { font-size: 11px; }
.card .warn-txt { color: #b45309; }

/* 顶栏：简易 / 工程模式 */
.mode-sw { display: inline-flex; background: #1f2937; border: 1px solid #374151; border-radius: 7px; padding: 2px; gap: 2px; }
.mode-sw button { border: 0; background: transparent; color: #cbd5e1; font-size: 12px; padding: 3px 10px; border-radius: 5px; cursor: pointer; }
.mode-sw button.on { background: #e5e7eb; color: #111827; font-weight: 600; }
.btn[hidden] { display: none; }

/* 看图：图层开关 */
.layers { display: inline-flex; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.layers .lt { border: 0; border-right: 1px solid var(--line); background: #fff; color: var(--muted); font-size: 12px; padding: 3px 9px; cursor: pointer; }
.layers .lt:last-child { border-right: 0; }
.layers .lt:hover { background: #f5f7fa; }
.layers .lt.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.layers .lt[data-layer="sec"].on { background: #fdecec; color: #c62828; }
.layers .lt[data-layer="meas"].on, .layers .lt[data-layer="ck"].on { background: #e6f6f4; color: #0f766e; }
.sec-state { font-size: 12px; padding: 1px 8px; border-radius: 999px; white-space: nowrap; }
.sec-state:empty { display: none; }
.sec-state.ok { background: var(--good-soft); color: var(--good); }
.sec-state.bad { background: var(--bad-soft); color: var(--bad); }
.sec-state.none, .sec-state.run { background: #f1f3f5; color: var(--muted); }
.stage .paper { position: absolute; left: 0; top: 0; background: #fff; box-shadow: 0 2px 10px rgba(0, 0, 0, .15); }
.stage img { position: relative; }
.stage.nobase img { visibility: hidden; }

/* 结果面板：通用 */
.card > .bd.tight { padding: 0 0 4px; }
.card .line { font-size: 13px; margin-top: 6px; }
.kv.cols { grid-template-columns: auto 1fr auto 1fr; margin: 8px 0 4px; }
details.card > summary { flex-wrap: wrap; }
table.t.seg td, table.t.seg th { padding: 5px 10px; }
table.t.seg tr.minus td { color: var(--muted); }
table.t.seg tfoot td { border-top: 1px solid var(--line); border-bottom: 0; font-weight: 600; background: #fafbfc; }
.sub-details { margin-top: 8px; border-top: 1px dashed var(--line); padding-top: 6px; }
.sub-details > summary { cursor: pointer; font-size: 13px; font-weight: 600; padding: 2px 0; }
.sub-details table { margin-top: 4px; }
.layer-links { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.layer-links .btn.on { background: #e6f6f4; border-color: #99d5cd; color: #0f766e; }

/* 实测截面：尺寸核对线（标签按缩放重新排，放不下的先不显示） */
#meas .sketch circle.ck { stroke: none; }
#meas .sketch line.ck.hl { stroke-width: 3.5; }
#meas .sketch text.ck.hl { font-size: calc(var(--ck-fs, 12px) * 1.15); }
#meas .sketch .ck.ok circle, #meas .sketch circle.ck.ok, #meas .sketch circle.ck.resnap { fill: #16a34a; }
#meas .sketch circle.ck.bad, #meas .sketch circle.ck.rej { fill: #dc2626; }
#meas .sketch circle.ck.fixed { fill: #2563eb; }
#meas .sketch circle.ck.nosnap, #meas .sketch circle.ck.nib { fill: #9ca3af; }
#meas .sketch .ck.nib { stroke: #b45309; fill: #b45309; }
#meas .sketch.only-hot polygon, #meas .sketch.only-hot .sk-axis, #meas .sketch.only-hot .sk-miss { display: none; }
.card table.cktab tr[data-ck] { cursor: default; }
.card table.cktab tr[data-ck]:hover td { background: #fffbea; }
.layer-bar { display: flex; align-items: center; gap: 8px; padding: 4px 10px; background: var(--panel); border-bottom: 1px solid var(--line); font-size: 12px; flex-wrap: wrap; }

/* ------------------------------------------------------------------ 3D 模型 */
.vtabs { display: inline-flex; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; margin-right: 6px; }
.vtabs button { border: 0; background: #fff; padding: 4px 12px; font: inherit; font-size: 13px; cursor: pointer; color: #475569; }
.vtabs button + button { border-left: 1px solid var(--line); }
.vtabs button.on { background: #1e293b; color: #fff; }
.viewer-pane.is3d .layer-bar, .viewer-pane.is3d .ovl-bar, .viewer-pane.is3d #viewer,
.viewer-pane.is3d #zoomFit, .viewer-pane.is3d #zoomAll, .viewer-pane.is3d #zoomIn, .viewer-pane.is3d #zoomOut { display: none !important; }
.v3d { flex: 1; position: relative; overflow: hidden; min-height: 300px;
  background: radial-gradient(ellipse at 50% 38%, #46505f 0%, #262c36 55%, #171b22 100%); }
.v3d[hidden] { display: none; }
.v3d-canvas { position: absolute; inset: 0; cursor: grab; }
.v3d-canvas:active { cursor: grabbing; }
.v3d-canvas canvas { display: block; outline: none; }
.v3d-bar { position: absolute; top: 10px; right: 10px; display: flex; gap: 6px; }
.v3d-bar .btn { background: rgba(255, 255, 255, .1); color: #e2e8f0; border-color: rgba(255, 255, 255, .22); }
.v3d-bar .btn:hover { background: rgba(255, 255, 255, .2); }
.v3d-bar .btn.on { background: #e2e8f0; color: #0f172a; border-color: #e2e8f0; }
.v3d-info { position: absolute; left: 14px; top: 12px; color: #e2e8f0; font-size: 13px; line-height: 1.5; pointer-events: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .5); max-width: 60%; }

.v3d-info .sub { color: #94a3b8; font-size: 12px; }
.v3d-hint { position: absolute; left: 0; right: 0; bottom: 10px; text-align: center; color: #94a3b8; font-size: 12px; pointer-events: none; }
.v3d-msg { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #cbd5e1; font-size: 14px;
  gap: 8px; padding: 20px; text-align: center; pointer-events: none; }
.v3d:fullscreen { background: radial-gradient(ellipse at 50% 38%, #46505f 0%, #262c36 55%, #171b22 100%); }
/* 上下对照：上面图纸、下面 3D；3D 还没好时下面只留一条提示 */
.viewer-pane.isSplit #viewer { flex: 1 1 54%; min-height: 0; }
.viewer-pane.isSplit .v3d { flex: 0 0 46px; min-height: 0; border-top: 2px solid #0f172a; }
.viewer-pane.isSplit .v3d.ready { flex: 0 0 46%; }
.v3d:not(.ready) .v3d-bar, .v3d:not(.ready) .v3d-info, .v3d:not(.ready) .v3d-hint { display: none; }
.viewer-pane.isSplit .v3d:not(.ready) .v3d-msg { font-size: 13px; padding: 0 16px; }
.v3d-info .t1 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 2px; }
.v3d-info b { font-size: 14px; color: #fff; }
.viewer-pane.isSplit .v3d-info { font-size: 12px; }
.viewer-pane.isSplit .v3d-hint { bottom: 6px; }
.viewer-pane.isSplit .v3d-info .sub { display: none; }
.viewer-pane.isSplit .v3d-info .t1 { font-size: 14px; }

/* ------------------------------------------------------------------ 扫码上传（大屏右上的浮动面板，不挡看图） */
.qr-panel { position: fixed; top: 64px; right: 16px; width: 320px; max-height: calc(100vh - 80px); z-index: 50; background: #0f172a; color: #e2e8f0;
  border-radius: 14px; box-shadow: 0 12px 40px rgba(0, 0, 0, .35); display: flex; flex-direction: column; overflow: hidden; }
.qr-panel[hidden] { display: none; }
.qr-hd { display: flex; align-items: center; gap: 6px; padding: 10px 12px; border-bottom: 1px solid #1e293b; }
.qr-hd b { flex: 1; font-size: 15px; }
.qr-exp { font-size: 12px; color: #94a3b8; }
.qr-x { background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .2); color: #e2e8f0; border-radius: 6px; padding: 3px 8px; font-size: 12px; cursor: pointer; }
.qr-body { padding: 12px; overflow-y: auto; }
.qr-code { background: #fff; border-radius: 10px; padding: 8px; display: flex; justify-content: center; position: relative; }
.qr-code svg { width: 240px; height: 240px; display: block; }
.qr-code.expired::after { content: "已过期，点「换一个」"; position: absolute; inset: 0; background: rgba(15, 23, 42, .82); color: #fff;
  display: flex; align-items: center; justify-content: center; border-radius: 10px; font-size: 14px; }
.qr-tip { font-size: 12px; color: #94a3b8; text-align: center; margin-top: 8px; line-height: 1.6; }
.qr-url { color: #64748b; word-break: break-all; }
.qr-sum { margin-top: 10px; font-size: 14px; font-weight: 600; }
.qr-files { margin-top: 6px; display: flex; flex-direction: column; gap: 6px; }
.qr-file { background: #1e293b; border-radius: 8px; padding: 8px 10px; }
.qr-fn { font-size: 13px; word-break: break-all; }
.qr-st { font-size: 12px; color: #cbd5e1; margin-top: 4px; display: flex; align-items: center; gap: 6px; cursor: pointer; }
.qr-st b { color: #fff; font-size: 14px; }
.qr-bar { height: 5px; background: #334155; border-radius: 3px; overflow: hidden; margin-top: 6px; }
.qr-bar > i { display: block; height: 100%; background: #3b82f6; transition: width .3s; }
.qr-pill { position: fixed; top: 64px; right: 16px; z-index: 50; background: #0f172a; color: #fff; border: 0; border-radius: 20px; padding: 8px 14px;
  font-size: 13px; cursor: pointer; box-shadow: 0 6px 20px rgba(0, 0, 0, .3); }
.qr-pill[hidden] { display: none; }
.viewer-bar .rename { border: 0; background: transparent; cursor: pointer; color: #64748b; font-size: 14px; padding: 0 4px; }
.viewer-bar .rename:hover { color: #2563eb; }

.mode-sw[hidden], .top-actions [hidden] { display: none !important; }