:root {
  color-scheme: light;
  --ink: #172228;
  --muted: #607078;
  --line: #c9d3d7;
  --paper: #f4f6f6;
  --panel: #ffffff;
  --navy: #172930;
  --teal: #07889a;
  --shell: #87959b;
  --pcb: #279b67;
  --bracket: #3c77b2;
  --sensor: #d58b25;
  --cable: #c94e4e;
  --fov: #39aebc;
  --interface: #7652a7;
  --host: #59666b;
  --pass: #207c54;
  --warning: #a46709;
  --error: #b73838;
  font-family: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--paper); color: var(--ink); }
body { min-width: 0; }
.route-loading { position: fixed; inset: 0; z-index: 100; display: none; align-content: center; justify-items: center; gap: 10px; padding: 24px; background: #edf1f2; color: var(--ink); text-align: center; }
.route-booting .route-loading { display: grid; }
.route-loading-mark { width: 42px; height: 42px; border: 3px solid #b8c7cc; border-top-color: var(--teal); border-radius: 50%; animation: route-loading-spin .8s linear infinite; }
.route-loading strong { margin-top: 6px; font-size: 16px; }
.route-loading small { max-width: 520px; color: var(--muted); line-height: 1.6; }
@keyframes route-loading-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .route-loading-mark { animation: none; border-top-color: #b8c7cc; outline: 3px solid var(--teal); outline-offset: 4px; } }
button, select, input { font: inherit; }
button, select { min-height: 38px; border: 1px solid #aab8be; border-radius: 4px; background: #fff; color: var(--ink); }
input[type="search"] { min-height: 38px; border: 1px solid #aab8be; border-radius: 4px; background: #fff; color: var(--ink); }
button { padding: 7px 11px; cursor: pointer; font-weight: 700; }
button:hover, button:focus-visible { border-color: var(--teal); outline: 2px solid rgba(7, 136, 154, .16); outline-offset: 1px; }
button.active { border-color: var(--navy); background: var(--navy); color: #fff; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 82px; padding: 16px 24px; border-bottom: 1px solid var(--line); background: var(--panel); }
.topbar h1, .section-heading h2, .viewport-heading h2, .inspector h2 { margin: 3px 0 0; font-size: 22px; letter-spacing: 0; }
.eyebrow { color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.topbar-meta { display: flex; align-items: center; gap: 10px; }
.topbar-meta label { color: var(--muted); font-size: 12px; font-weight: 700; }
.topbar-meta select { width: min(280px, 38vw); padding: 6px 32px 6px 10px; }
.topbar-meta #library-toggle { white-space: nowrap; }
.revision { padding: 5px 8px; border: 1px solid var(--line); background: #edf2f3; font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.product-repository-links { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 58px; padding: 9px 24px; border-bottom: 1px solid var(--line); background: #0e161c; color: #edf4f6; }
.product-repository-links[hidden] { display: none; }
.product-repository-links > div:first-child { display: grid; gap: 3px; min-width: 180px; }
.product-repository-links strong { font-size: 12px; }
.product-repository-links span { color: #8d9ca5; font-size: 9px; }
.product-repository-assets { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.product-repository-assets a { display: inline-flex; min-height: 34px; align-items: center; padding: 0 10px; border: 1px solid #40515d; color: #c8d5da; font-size: 10px; font-weight: 800; text-decoration: none; }
.product-repository-assets a:hover, .product-repository-assets a:focus-visible { border-color: #65d9c5; color: #65d9c5; outline: 2px solid rgba(101,217,197,.18); }
.case-library { padding: 18px 24px 22px; border-bottom: 1px solid var(--line); background: #e9edef; }
.case-library[hidden] { display: none; }
.library-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.library-heading h2 { margin: 3px 0 0; font-size: 20px; letter-spacing: 0; }
.library-heading p { max-width: 720px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; text-align: right; }
.library-toolbar { display: grid; grid-template-columns: minmax(260px, 1fr) 190px 190px auto; gap: 10px; align-items: end; margin-top: 14px; }
.library-toolbar label { display: grid; gap: 5px; color: var(--muted); font-size: 11px; font-weight: 700; }
.library-toolbar input, .library-toolbar select { width: 100%; padding: 7px 10px; }
.library-toolbar output { min-width: 76px; padding: 10px 0; color: var(--teal); font: 800 12px ui-monospace, SFMono-Regular, Menlo, monospace; text-align: right; }
.library-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 18px; border: 1px solid var(--line); background: #fff; }
.library-stats div { padding: 13px 16px; border-right: 1px solid var(--line); }
.library-stats div:last-child { border-right: 0; }
.library-stats strong, .library-stats span { display: block; }
.library-stats strong { font: 800 22px ui-monospace, SFMono-Regular, Menlo, monospace; }
.library-stats span { margin-top: 3px; color: var(--muted); font-size: 10px; }
.featured-demo { display: grid; grid-template-columns: minmax(300px, .78fr) minmax(520px, 1.22fr); min-height: 390px; margin-top: 14px; overflow: hidden; border: 1px solid #314149; background: #10181d; color: #eef5f6; }
.featured-copy { display: flex; flex-direction: column; justify-content: center; padding: 32px; border-right: 1px solid #314149; }
.featured-copy h3 { margin: 8px 0 0; font-size: 30px; letter-spacing: 0; }
.featured-copy > p { max-width: 610px; margin: 14px 0 0; color: #b8c7cc; font-size: 13px; line-height: 1.75; }
.featured-copy > small { margin-top: 16px; color: #87999f; font-size: 10px; line-height: 1.5; }
.featured-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 24px; border-top: 1px solid #34444b; border-left: 1px solid #34444b; }
.featured-facts span { min-width: 0; padding: 12px; border-right: 1px solid #34444b; border-bottom: 1px solid #34444b; color: #9fb0b6; font-size: 10px; }
.featured-facts strong { display: block; margin-bottom: 4px; color: #f4fbfb; font: 800 15px ui-monospace, SFMono-Regular, Menlo, monospace; }
.featured-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.featured-actions button { border-color: #75dad6; background: #75dad6; color: #102126; }
.featured-actions button.secondary { border-color: #61747b; background: transparent; color: #e5eeee; }
.featured-visual { display: grid; align-content: center; gap: 24px; min-width: 0; padding: 34px; background: #162126; }
.featured-photo-wrap { position: relative; width: min(100%, 740px); margin: 0 auto; overflow: hidden; border: 1px solid #43555d; background: #0d1519; }
.featured-photo-wrap img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.featured-photo-badge { position: absolute; right: 10px; bottom: 10px; padding: 5px 8px; border: 1px solid rgba(255,255,255,.38); background: rgba(16,22,25,.84); color: #fff; font-size: 9px; font-weight: 800; }
.featured-structure-preview { width: min(100%, 740px); margin: 0 auto; border-top: 1px solid #3a4b52; }
.featured-structure-preview summary { padding: 10px 0; color: #b9c8cd; font-size: 10px; font-weight: 800; cursor: pointer; }
.featured-structure-preview[open] { padding-bottom: 18px; }
.featured-keyboard { position: relative; width: min(100%, 740px); aspect-ratio: 324 / 112; margin: 0 auto; padding: 5.5% 4.5%; border: 5px solid #65747a; border-radius: 7px; background: #222e33; box-shadow: 0 20px 38px rgba(0,0,0,.28); transform: perspective(900px) rotateX(51deg) rotateZ(-3deg); transform-origin: center; }
.featured-key-grid { display: grid; gap: 3px; height: 100%; }
.featured-key-row { display: flex; gap: 3px; min-width: 0; }
.featured-key { display: grid; min-width: 0; flex: var(--key-u) 1 0; place-items: center; overflow: hidden; border: 1px solid #67777d; border-bottom-width: 3px; border-radius: 3px; background: #dce7ea; color: #1d2a2f; font: 800 clamp(5px, .58vw, 9px) ui-monospace, SFMono-Regular, Menlo, monospace; white-space: nowrap; }
.key-u-1 { --key-u: 1; }.key-u-1_25 { --key-u: 1.25; }.key-u-1_5 { --key-u: 1.5; }.key-u-1_75 { --key-u: 1.75; }
.key-u-2 { --key-u: 2; }.key-u-2_25 { --key-u: 2.25; }.key-u-6_25 { --key-u: 6.25; }
.featured-key:nth-child(5n), .featured-key:nth-child(11n) { border-color: #62ccc8; background: #9fe4df; }
.keyboard-port { position: absolute; left: 50%; bottom: -13px; width: 54px; padding: 4px 0; border: 2px solid #627279; background: #10181d; color: #a9bdc3; font: 700 8px ui-monospace, SFMono-Regular, Menlo, monospace; text-align: center; transform: translateX(-50%); }
.featured-stack { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); width: min(100%, 700px); margin: 0 auto; border: 1px solid #3a4b52; }
.featured-stack span { min-width: 0; padding: 9px 7px; border-right: 1px solid #3a4b52; color: #b9c8cd; font-size: 9px; text-align: center; }
.featured-stack span:last-child { border-right: 0; }
.case-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 13px; gap: 12px; background: transparent; }
.case-item { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 4px; background: #fff; text-align: left; }
.case-item:hover, .case-item:focus-within { position: relative; z-index: 1; border-color: var(--teal); box-shadow: 0 8px 22px rgba(23,34,40,.09); }
.case-item.active { background: var(--navy); color: #fff; }
.case-preview { position: relative; display: grid; width: 100%; aspect-ratio: 16 / 9; place-items: center; overflow: hidden; border-bottom: 1px solid var(--line); background: #dfe6e8; color: #607078; font: 800 13px ui-monospace, SFMono-Regular, Menlo, monospace; }
.case-preview img { width: 100%; height: 100%; object-fit: cover; }
.case-photo-badge { position: absolute; right: 8px; bottom: 8px; padding: 4px 7px; border: 1px solid rgba(255,255,255,.4); background: rgba(20,31,36,.82); color: #fff !important; font-size: 9px !important; font-weight: 800; }
.case-preview.image-unavailable::after { content: "图片不可用"; color: #607078; font-size: 12px; font-weight: 800; }
.case-body { padding: 13px; }
.case-item span, .case-item strong, .case-item p { display: block; overflow-wrap: anywhere; }
.case-item span { color: var(--teal); font-size: 10px; font-weight: 800; }
.case-item.active span, .case-item.active p { color: #b7e4e4; }
.case-item strong { margin-top: 5px; font-size: 13px; line-height: 1.35; }
.case-item p { min-height: 42px; margin: 7px 0 10px; color: var(--muted); font-size: 10px; line-height: 1.45; }
.case-item dl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0 0 11px; border: 1px solid #dce2e4; }
.case-item dl div { min-width: 0; padding: 7px; border-right: 1px solid #dce2e4; }
.case-item dl div:last-child { border-right: 0; }
.case-item dt { color: var(--muted); font-size: 8px; }
.case-item dd { margin: 3px 0 0; overflow-wrap: anywhere; font-size: 10px; font-weight: 800; }
.case-item button { width: 100%; border-color: var(--navy); background: var(--navy); color: #fff; font-size: 11px; }
.case-empty { grid-column: 1 / -1; padding: 30px; color: var(--muted); text-align: center; }
.boundary { display: flex; gap: 12px; padding: 10px 24px; border-bottom: 1px solid #dcc795; background: #fff9e8; color: #684e11; font-size: 13px; }
.case-context { display: grid; grid-template-columns: .55fr 1.35fr 1.2fr .9fr; border-bottom: 1px solid var(--line); background: #fff; }
.case-context[hidden] { display: none; }
.case-context > div { min-width: 0; padding: 10px 14px; border-right: 1px solid var(--line); }
.case-context > div:last-child { border-right: 0; }
.case-context .context-recognition, .case-context .context-evidence { grid-column: span 2; border-top: 1px solid var(--line); }
.case-context .context-evidence { border-right: 0; }
.case-context span, .case-context strong { display: block; overflow-wrap: anywhere; font-size: 11px; line-height: 1.45; }
.context-evidence a { display: inline-block; margin: 0 12px 4px 0; color: var(--teal); font-size: 11px; font-weight: 700; text-underline-offset: 2px; }
.context-evidence small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; line-height: 1.45; }
.context-label { margin-bottom: 4px; color: var(--muted); font-size: 9px !important; font-weight: 800; text-transform: uppercase; }
.review-layout { display: grid; grid-template-columns: 224px minmax(440px, 1fr) 280px; min-height: 680px; border-bottom: 1px solid var(--line); }
.control-panel, .inspector { min-width: 0; background: var(--panel); }
.control-panel { padding: 18px; border-right: 1px solid var(--line); }
.control-panel section { padding: 15px 0; border-top: 1px solid #e0e5e7; }
.control-panel section:first-child { padding-top: 0; border-top: 0; }
.control-panel h2 { margin: 0 0 10px; font-size: 13px; }
.view-buttons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.group-controls { display: grid; gap: 7px; }
.group-control { display: flex; align-items: center; gap: 8px; min-height: 28px; font-size: 13px; }
.group-control input { width: 16px; height: 16px; margin: 0; accent-color: var(--teal); }
.group-control i, .color-legend i { width: 10px; height: 10px; flex: 0 0 auto; border-radius: 2px; background: var(--group-color); }
.group-host { --group-color: var(--host); }
.group-shell { --group-color: var(--shell); }
.group-pcb { --group-color: var(--pcb); }
.group-bracket { --group-color: var(--bracket); }
.group-sensor { --group-color: var(--sensor); }
.group-interface { --group-color: var(--interface); }
.group-cable { --group-color: var(--cable); }
.group-fov { --group-color: var(--fov); }
.group-dimensions { --group-color: #65757b; }
.control-panel label { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--ink); font-size: 13px; font-weight: 700; }
.control-panel output { color: var(--teal); font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
input[type="range"] { width: 100%; margin: 12px 0 0; accent-color: var(--teal); }
.source-legend { display: grid; gap: 6px; }
.source-legend h2 { margin-bottom: 3px; }
.source-legend span, .source-badge { display: inline-flex; align-items: center; width: fit-content; padding: 3px 6px; border-left: 4px solid currentColor; background: #f1f4f5; color: var(--muted); font-size: 11px; font-weight: 700; }
.source-legend .confirmed, .source-badge.customer_confirmed { color: #176e4a; }
.source-legend .supplier, .source-badge.supplier_drawing { color: #246493; }
.source-legend .proposed, .source-badge.design_proposed { color: #816006; }
.source-legend .pending, .source-badge.pending_verification { color: #a03d3d; }
.photo-alignment-controls { gap: 8px; }
.photo-alignment-controls:not([hidden]) { display: grid; }
.photo-alignment-controls > strong { display: block; padding: 7px 8px; border-left: 4px solid var(--warning); background: #fff7df; color: #765713; font-size: 11px; }
.photo-alignment-controls > strong.pass { border-color: var(--pass); background: #e9f8ef; color: #176e4a; }
.photo-alignment-controls > strong.rework { border-color: var(--error); background: #fff0ed; color: #96372f; }
.photo-alignment-controls label { min-height: 24px; }
.photo-alignment-controls label input[type="checkbox"] { width: 16px; height: 16px; margin: 0; accent-color: var(--teal); }
.photo-alignment-controls small { color: var(--muted); font-size: 9px; line-height: 1.5; }
.viewport-panel { min-width: 0; padding: 16px; background: #e9edef; }
.viewport-heading { display: flex; align-items: start; justify-content: space-between; gap: 18px; min-height: 66px; padding: 0 2px 12px; }
.viewport-heading p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.envelope-summary { display: grid; grid-template-columns: repeat(2, auto); gap: 4px 18px; margin: 0; font-size: 11px; }
.envelope-summary div { display: contents; }
.envelope-summary dt { color: var(--muted); }
.envelope-summary dd { margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 700; text-align: right; }
.viewer { position: relative; width: 100%; height: 570px; overflow: hidden; border: 1px solid #adbac0; background: #dfe5e7; }
.viewer canvas { display: block; width: 100%; height: 100%; touch-action: none; }
.photo-alignment-overlay { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; pointer-events: none; }
.photo-alignment-overlay[hidden] { display: none; }
.photo-alignment-overlay .reference-image { filter: saturate(.86) contrast(1.04); }
.photo-alignment-overlay .annotation-regions { fill: none; stroke: #d7ff3f; stroke-width: 3; vector-effect: non-scaling-stroke; }
.photo-alignment-overlay .annotation-regions polygon { fill: rgba(215,255,63,.045); stroke-dasharray: 7 5; }
.photo-alignment-overlay .annotation-regions .host-region { stroke: #65d6c1; }
.photo-alignment-overlay .annotation-connections { fill: none; stroke: #ff8a78; stroke-width: 2; stroke-dasharray: 5 4; vector-effect: non-scaling-stroke; }
.photo-alignment-overlay .annotation-mounts { fill: #ff8a78; stroke: #fff; stroke-width: 2; vector-effect: non-scaling-stroke; }
.photo-layer-boundary { position: absolute; left: 10px; top: 10px; z-index: 3; padding: 5px 7px; border: 1px solid rgba(255,255,255,.7); background: rgba(17,29,34,.82); color: #fff; font-size: 9px; font-weight: 800; pointer-events: none; }
.viewer-help { position: absolute; right: 10px; bottom: 9px; padding: 5px 7px; background: rgba(255,255,255,.88); color: #435159; font-size: 10px; pointer-events: none; }
.loading-state { position: absolute; inset: 0; display: grid; place-items: center; background: #edf1f2; color: #46565d; font-size: 13px; font-weight: 700; }
.loading-state.ready { display: none; }
.color-legend { display: flex; flex-wrap: wrap; gap: 8px 15px; padding: 10px 2px 0; color: var(--muted); font-size: 11px; }
.color-legend span { display: inline-flex; align-items: center; gap: 5px; }
.inspector { padding: 18px; border-left: 1px solid var(--line); }
.inspector-heading { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.part-empty { margin-top: 18px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.part-details { margin: 12px 0 0; }
.part-details div { padding: 9px 0; border-bottom: 1px solid #e0e5e7; }
.part-details dt { color: var(--muted); font-size: 10px; }
.part-details dd { margin: 4px 0 0; overflow-wrap: anywhere; font-size: 13px; font-weight: 700; }
.selected-status { margin-top: 15px; padding: 10px; border-left: 4px solid var(--teal); background: #edf6f6; font-size: 12px; line-height: 1.6; }
.engineering-results, .data-section, .engineering-notes { padding: 20px 24px; }
.engineering-results { background: #fff; border-bottom: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 13px; }
.section-heading h2 { font-size: 18px; }
.section-heading > strong, .section-heading > span { color: var(--muted); font-size: 12px; }
.check-results { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border: 1px solid var(--line); }
.review-tabs { display: flex; gap: 0; margin-bottom: 14px; overflow-x: auto; border-bottom: 1px solid var(--line); }
.review-tabs button { min-width: 118px; border: 0; border-bottom: 3px solid transparent; border-radius: 0; background: transparent; color: var(--muted); }
.review-tabs button[aria-selected="true"] { border-bottom-color: var(--teal); color: var(--ink); }
.review-tab-panel[hidden] { display: none; }
.review-tab-panel > .section-heading { margin-top: 4px; }
.review-tab-panel.engineering-notes { min-height: 150px; margin: 0 -24px -20px; }
.photo-reconstruction-report { min-height: 190px; }
.photo-reconstruction-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); }
.photo-reconstruction-summary > div { min-width: 0; padding: 12px; border-right: 1px solid var(--line); }
.photo-reconstruction-summary > div:last-child { border-right: 0; }
.photo-reconstruction-summary span, .photo-reconstruction-summary small { display: block; color: var(--muted); font-size: 10px; }
.photo-reconstruction-summary strong { display: block; margin-top: 5px; overflow-wrap: anywhere; font-size: 13px; }
.photo-region-table { width: 100%; margin-top: 14px; }
.photo-reconstruction-truth { margin: 13px 0 0; padding: 10px 12px; border-left: 4px solid var(--teal); background: #edf6f6; color: #40545c; font-size: 10px; line-height: 1.6; }
.check-item { min-width: 0; padding: 12px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.check-item:nth-child(5n) { border-right: 0; }
.check-item:nth-last-child(-n+5) { border-bottom: 0; }
.check-item button { width: 100%; min-height: 0; padding: 0; border: 0; background: transparent; text-align: left; }
.check-item button:hover, .check-item button:focus-visible { outline: 0; }
.check-item strong { display: block; padding-left: 8px; border-left: 4px solid var(--pass); font-size: 12px; }
.check-item.warning strong { border-color: var(--warning); }
.check-item.error strong { border-color: var(--error); }
.check-item span, .check-item small { display: block; margin-top: 6px; color: var(--muted); font-size: 10px; line-height: 1.5; overflow-wrap: anywhere; }
.data-section { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(360px, .65fr); gap: 18px; border-bottom: 1px solid var(--line); }
.table-panel { min-width: 0; padding: 16px; border: 1px solid var(--line); background: #fff; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 11px; }
th, td { padding: 9px 8px; border-top: 1px solid #dce2e4; text-align: left; vertical-align: top; }
th { border-top: 0; background: #eef2f3; color: #48575e; font-size: 10px; white-space: nowrap; }
td { overflow-wrap: anywhere; }
tbody tr[data-part-id] { cursor: pointer; }
tbody tr[data-part-id]:hover { background: #f1f8f8; }
.engineering-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; background: var(--navy); color: #e7eef0; }
.engineering-notes strong { font-size: 13px; }
.engineering-notes p, .engineering-notes ul { margin: 8px 0 0; color: #bdcbd0; font-size: 11px; line-height: 1.7; }
.engineering-notes ul { padding-left: 18px; }
.fatal-error { position: fixed; inset: 20px; z-index: 10; display: grid; align-content: center; justify-items: center; gap: 14px; border: 2px solid var(--error); background: rgba(255,255,255,.97); text-align: center; }
.fatal-error[hidden] { display: none; }
.fatal-error strong { font-size: 22px; }
.fatal-error span { max-width: 620px; color: var(--error); }
body.embedded .topbar { min-height: 66px; padding-block: 10px; }
body.embedded .boundary { padding-block: 7px; }
body.library-mode .topbar-meta label, body.library-mode #product-select, body.library-mode #library-toggle, body.library-mode .revision { display: none; }
body.library-mode .case-library { min-height: calc(100vh - 82px); }
body.dark-repository {
  color-scheme: dark;
  --ink: #edf4f6;
  --muted: #8d9ca5;
  --line: #293740;
  --paper: #090d11;
  --panel: #10171e;
  --navy: #0b1116;
  --teal: #65d9c5;
  background: var(--paper);
}
body.dark-repository button,
body.dark-repository select,
body.dark-repository input[type="search"] { border-color: #40515d; background: #162129; color: var(--ink); }
body.dark-repository button.active { border-color: #65d9c5; background: #1c4b48; }
body.dark-repository .topbar { min-height: 64px; border-color: var(--line); background: #0b1116; }
body.dark-repository .topbar h1 { font-size: 18px; }
body.dark-repository .topbar-meta label,
body.dark-repository #product-select { display: none; }
body.dark-repository .revision { border-color: #3d5360; background: #111b22; color: #b7c7ce; }
body.dark-repository .boundary { border-color: #655629; background: #252113; color: #efcd74; }
body.dark-repository .case-context { border-color: var(--line); background: #0e161c; }
body.dark-repository .case-context > div { border-color: var(--line); }
body.dark-repository .control-panel,
body.dark-repository .inspector { background: #10171e; }
body.dark-repository .control-panel,
body.dark-repository .inspector,
body.dark-repository .review-layout { border-color: var(--line); }
body.dark-repository .control-panel section,
body.dark-repository .inspector-heading,
body.dark-repository .part-details div { border-color: #27343d; }
body.dark-repository .source-legend span,
body.dark-repository .source-badge { background: #121b22; }
body.dark-repository .viewport-panel { background: #0b1116; }
body.dark-repository .viewer { border-color: #3b4d58; background: #0b1116; }
body.dark-repository .viewer-help { background: rgba(8,13,17,.88); color: #9aabb4; }
body.dark-repository .loading-state { background: #0d151b; color: #a9bac2; }
body.dark-repository .selected-status { background: #12241f; color: #bde6da; }
body.dark-repository .engineering-results,
body.dark-repository .data-section { border-color: var(--line); background: #0c1217; }
body.dark-repository .table-panel { border-color: var(--line); background: #10171e; }
body.dark-repository th { background: #152029; color: #9dafb8; }
body.dark-repository td { border-color: #27343d; color: #d4dee3; }
body.dark-repository tbody tr[data-part-id]:hover { background: #14252a; }
body.dark-repository .check-results,
body.dark-repository .check-item { border-color: var(--line); }
body.dark-repository .review-tabs { border-color: var(--line); }
body.dark-repository .fatal-error { background: rgba(9,13,17,.98); }
@media (max-width: 1180px) {
  .featured-demo { grid-template-columns: 1fr; }
  .featured-copy { border-right: 0; border-bottom: 1px solid #314149; }
  .case-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .case-item:nth-child(4n) { border-right: 1px solid var(--line); }
  .case-item:nth-child(3n) { border-right: 0; }
  .case-context { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-context > div:nth-child(2) { border-right: 0; }
  .case-context > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .review-layout { grid-template-columns: 190px minmax(400px, 1fr) 240px; }
  .check-results { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .check-item, .check-item:nth-child(5n), .check-item:nth-last-child(-n+5) { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .check-item:nth-child(2n) { border-right: 0; }
  .check-item:nth-last-child(-n+2) { border-bottom: 0; }
  .data-section { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .topbar, .topbar-meta, .boundary { align-items: stretch; flex-direction: column; }
  .topbar { gap: 12px; padding: 13px 14px; }
  .topbar-meta { gap: 6px; }
  .topbar-meta select { width: 100%; }
  .product-repository-links { display: grid; padding: 11px 14px; }
  .product-repository-assets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-repository-assets a { justify-content: center; text-align: center; }
  .library-heading { display: block; }
  .library-heading p { margin-top: 8px; text-align: left; }
  .library-toolbar { grid-template-columns: 1fr 1fr; }
  .library-toolbar .search-field { grid-column: 1 / -1; }
  .library-toolbar output { text-align: left; }
  .library-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .library-stats div:nth-child(2) { border-right: 0; }
  .library-stats div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .featured-demo { min-height: 0; }
  .featured-copy, .featured-visual { padding: 22px 16px; }
  .featured-copy h3 { font-size: 24px; }
  .featured-keyboard { transform: none; }
  .featured-stack { grid-template-columns: 1fr; }
  .featured-stack span { border-right: 0; border-bottom: 1px solid #3a4b52; }
  .featured-stack span:last-child { border-bottom: 0; }
  .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-item:nth-child(3n) { border-right: 1px solid var(--line); }
  .case-item:nth-child(2n) { border-right: 0; }
  .case-context { grid-template-columns: 1fr; }
  .case-context .context-recognition, .case-context .context-evidence { grid-column: 1; }
  .case-context > div, .case-context > div:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .case-context > div:last-child { border-bottom: 0; }
  .boundary { gap: 4px; padding: 9px 14px; }
  .review-layout { display: flex; flex-direction: column; min-height: 0; }
  .control-panel { order: 2; border-right: 0; border-top: 1px solid var(--line); }
  .viewport-panel { order: 1; padding: 10px; }
  .inspector { order: 3; border-left: 0; border-top: 1px solid var(--line); }
  .control-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
  .control-panel section { min-width: 0; }
  .control-panel section:nth-child(-n+2) { border-top: 0; }
  .viewport-heading { display: block; }
  .envelope-summary { margin-top: 10px; }
  .viewer { height: min(72vh, 500px); min-height: 390px; }
  .check-results { grid-template-columns: 1fr; }
  .check-item, .check-item:nth-child(2n), .check-item:nth-last-child(-n+2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .check-item:last-child { border-bottom: 0; }
  .engineering-results, .data-section, .engineering-notes { padding: 16px 12px; }
  .engineering-notes { grid-template-columns: 1fr; }
  .table-panel { padding: 12px; }
  .table-scroll table { min-width: 720px; }
}
@media (max-width: 460px) {
  .case-library { padding-inline: 12px; }
  .library-toolbar, .case-grid { grid-template-columns: 1fr; }
  .library-toolbar .search-field { grid-column: auto; }
  .case-item, .case-item:nth-child(2n), .case-item:nth-child(3n), .case-item:nth-child(4n) { border-right: 1px solid var(--line); }
  .control-panel { grid-template-columns: 1fr; }
  .control-panel section:nth-child(2) { border-top: 1px solid #e0e5e7; }
  .viewer { min-height: 360px; }
  .viewer-help { left: 8px; right: auto; }
  .photo-reconstruction-summary { grid-template-columns: 1fr 1fr; }
  .photo-reconstruction-summary > div:nth-child(2) { border-right: 0; }
  .photo-reconstruction-summary > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }

.case-entry-actions { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; }
.case-entry-actions a { display:flex; align-items:center; justify-content:center; min-height:44px; padding:8px; border:1px solid var(--navy); color:var(--navy); text-align:center; text-decoration:none; font-size:11px; font-weight:700; }
.case-entry-actions .create-case { grid-column:1 / -1; background:var(--navy); color:#fff; }
.case-entry-actions button { min-height:44px; }
.case-entry-actions button:only-child { grid-column:1 / -1; }