:root {
  color-scheme: light dark;
  --bg: #f5f7f6;
  --panel: #ffffff;
  --text: #17201c;
  --muted: #64716a;
  --line: #d7dfda;
  --accent: #16784a;
  --accent-soft: #e4f3eb;
  --danger: #a82b2b;
  --shadow: 0 8px 24px rgb(23 32 28 / 8%);
}
@media (prefers-color-scheme: dark) {
  :root { --bg:#111714; --panel:#18201c; --text:#edf4f0; --muted:#9eaaa4; --line:#344039; --accent:#5fcf98; --accent-soft:#173a2b; --danger:#ff9696; --shadow:0 8px 28px rgb(0 0 0 / 30%); }
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, select, textarea { font: inherit; }
button, input, select, textarea { border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: var(--panel); }
input, select, textarea { width: 100%; padding: 9px 10px; }
textarea { resize: vertical; }
button { min-height: 38px; padding: 8px 14px; cursor: pointer; background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 650; }
@media (prefers-color-scheme: dark) { button { color: #0d2118; } }
button:hover { filter: brightness(.96); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.secondary, .tab { background: transparent; color: var(--text); border-color: var(--line); }
button.danger-text { background: transparent; border: 0; color: var(--danger); padding: 2px; min-height: auto; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent), transparent 55%); outline-offset: 2px; }
[hidden] { display: none !important; }
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(22px, 3vw, 30px); margin-bottom: 6px; letter-spacing: -.025em; }
h2 { font-size: 16px; margin-bottom: 14px; }
label { display: grid; gap: 5px; color: var(--muted); font-size: 12px; font-weight: 650; }
.muted, .hint { color: var(--muted); }
.hint { font-size: 12px; }
.error { color: var(--danger); min-height: 20px; }
.eyebrow { margin-bottom: 4px; color: var(--accent); font-size: 11px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { width: min(390px, 100%); padding: 28px; display: grid; gap: 16px; }
.topbar { min-height: 62px; padding: 10px 18px; background: var(--panel); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; position: sticky; top: 0; z-index: 20; }
.topbar > div { display: flex; gap: 10px; align-items: baseline; }
.topbar nav { display: flex; gap: 6px; }
.topbar > .topbar-actions { justify-self: end; display: flex; align-items: center; gap: 7px; }
.tab.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.topbar-actions #activity-toggle.has-attention { border-color: var(--accent); color: var(--accent); }
.activity-drawer { position: fixed; z-index: 30; top: 70px; right: 12px; width: min(380px,calc(100vw - 24px)); max-height: calc(100vh - 82px); padding: 14px; overflow: auto; box-shadow: 0 18px 50px rgb(23 32 28 / 24%); }
.activity-drawer h2 { margin: 0; }
.activity-drawer .section-heading button { min-width: 32px; min-height: 32px; padding: 2px 8px; }
.activity-list { display: grid; gap: 8px; }
.activity-item { display: grid; gap: 3px; width: 100%; padding: 10px; text-align: left; background: transparent; color: var(--text); border-color: var(--line); }
.activity-item small { color: var(--muted); font-weight: 500; }
main { width: min(1800px, 100%); margin: 0 auto; padding: 18px; }
.empty-state { max-width: 560px; margin: 12vh auto; padding: 36px; text-align: center; }
.workspace-header, .page-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 14px; }
.workspace-header { padding: 15px 18px; }
.workspace-header h1 { margin: 0; }
.inline-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.workspace-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 14px; align-items: start; }
.canvas-panel { overflow: hidden; }
.canvas-wrap { position: relative; width: 100%; height: calc(100vh - 180px); min-height: 560px; overflow: hidden; background-color: #d9dedb; background-image: linear-gradient(45deg,#cbd1cd 25%,transparent 25%),linear-gradient(-45deg,#cbd1cd 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#cbd1cd 75%),linear-gradient(-45deg,transparent 75%,#cbd1cd 75%); background-size: 20px 20px; background-position: 0 0,0 10px,10px -10px,-10px 0; }
#canvas { display: block; width: 100%; height: 100%; touch-action: none; cursor: crosshair; }
#canvas[data-tool="pan"] { cursor: grab; }
#canvas[data-tool="pan"].dragging, #canvas[data-tool="crop"].dragging, #canvas.space-pan { cursor: grabbing; }
#canvas[data-tool="crop"] { cursor: crosshair; }
#canvas.edge-dragging { cursor: grabbing; }
#image-boundary { fill: #fbfdfc; stroke: #46534c; stroke-width: 2; vector-effect: non-scaling-stroke; filter: drop-shadow(0 5px 9px rgb(23 32 28 / 24%)); }
#plan-image-muted { filter: grayscale(1); pointer-events: none; }
.canvas-floating-toolbar { position: absolute; z-index: 4; bottom: 12px; left: 50%; width: min(1120px, calc(100% - 24px)); transform: translateX(-50%); display: grid; gap: 7px; padding: 8px; overflow: visible; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); box-shadow: 0 8px 22px rgb(23 32 28 / 18%); }
.toolbar-row { display: flex; align-items: end; gap: 7px; min-width: 0; flex-wrap: wrap; }
.canvas-floating-toolbar button { min-height: 34px; padding: 6px 10px; }
.canvas-floating-toolbar select, .canvas-floating-toolbar input { min-height: 34px; padding: 6px 8px; }
.canvas-floating-toolbar .compact-label { gap: 2px; white-space: nowrap; }
.canvas-floating-toolbar .compact-label.grow { flex: 1; }
.canvas-floating-toolbar .compact-label.grow input { min-width: 150px; }
.canvas-floating-toolbar .range-label input { width: 90px; min-height: 20px; padding: 0; }
.segmented { display: flex; }
.segmented button { border-radius: 0; background: transparent; color: var(--text); border-color: var(--line); }
.segmented button:first-child { border-radius: 8px 0 0 8px; }
.segmented button:last-child { border-radius: 0 8px 8px 0; }
.segmented button + button { margin-left: -1px; }
.segmented button.active { position: relative; background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.canvas-hint { position: absolute; z-index: 3; top: 10px; left: 50%; transform: translateX(-50%); margin: 0; max-width: calc(100% - 24px); padding: 6px 10px; border-radius: 8px; background: var(--panel); color: var(--muted); box-shadow: 0 3px 10px rgb(23 32 28 / 16%); font-size: 12px; white-space: nowrap; }
kbd { display: inline-block; padding: 1px 5px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; background: var(--panel); color: var(--text); font: 600 11px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: nowrap; }
.input-cue { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.mouse-icon { position: relative; display: inline-block; width: 13px; height: 17px; border: 1.5px solid currentColor; border-radius: 7px 7px 6px 6px; vertical-align: -3px; }
.mouse-icon::before { content: ""; position: absolute; top: 0; bottom: 7px; left: 50%; border-left: 1px solid currentColor; }
.mouse-icon::after { content: ""; position: absolute; top: 1px; width: 5px; height: 6px; border-radius: 4px 4px 2px 2px; background: var(--accent); }
.mouse-icon.left::after { left: 1px; }
.mouse-icon.right::after { right: 1px; }
#geometry .edge { stroke-width: 4; vector-effect: non-scaling-stroke; cursor: grab; pointer-events: stroke; }
#geometry .edge.hit { stroke: transparent; stroke-width: 14; }
#geometry .edge.wall { stroke: #116b43; }
#geometry .edge.window { stroke: #0879ae; }
#geometry .edge.doorway { stroke: #e97517; }
#geometry .edge.opening { stroke: #a54dcc; }
#geometry .edge.support { stroke: #202723; }
#geometry .edge.type-structural-support { stroke-width: 8; }
#geometry .edge.type-window-sliding { stroke-dasharray: 14 4; }
#geometry .edge.type-window-casement { stroke-dasharray: 3 4; }
#geometry .edge.type-window-top-hung { stroke-dasharray: 12 4 3 4; }
#geometry .edge.type-doorway-swinging { stroke-dasharray: 10 4; }
#geometry .edge.type-doorway-sliding { stroke-dasharray: 18 3; }
#geometry .edge.type-doorway-folding { stroke-dasharray: 3 4; }
#geometry .edge.type-opening { stroke-dasharray: 8 5; }
#geometry .edge.selected { stroke: #e41f3d; stroke-width: 7; }
#geometry .edge.hit { stroke-dasharray: none; }
#geometry .edge.hit:hover + .edge, #geometry .edge:not(.hit):hover { filter: drop-shadow(0 0 3px rgb(23 32 28 / 45%)); stroke-width: 7; }
#geometry .draft { stroke: #e41f3d; stroke-width: 3; stroke-dasharray: 7 5; fill: none; vector-effect: non-scaling-stroke; }
#geometry .room-fill { fill: #b9e4cc; fill-opacity: 1; stroke: none; cursor: pointer; }
#geometry .room-fill.selected { fill: #f2a65a; fill-opacity: .3; stroke: #e41f3d; stroke-width: 3; vector-effect: non-scaling-stroke; }
#geometry .room-label { fill: #17201c; stroke: #fbfdfc; stroke-width: 4; paint-order: stroke; text-anchor: middle; dominant-baseline: central; font-size: 15px; font-weight: 750; pointer-events: none; vector-effect: non-scaling-stroke; }
#geometry .door-swing-leaf, #geometry .door-swing-arc { fill: none; stroke: #e97517; stroke-width: 2; pointer-events: none; vector-effect: non-scaling-stroke; }
#geometry .door-swing-arc { stroke-dasharray: 4 3; }
#geometry .vertex { fill: white; stroke: #17201c; stroke-width: 2; vector-effect: non-scaling-stroke; cursor: move; }
#geometry .vertex.draft-vertex { fill: #e41f3d; }
#geometry .candidate { pointer-events: none; }
#geometry .candidate-line { stroke: #e41f3d; stroke-width: 2; stroke-dasharray: 5 4; vector-effect: non-scaling-stroke; }
#geometry .candidate-point { fill: #fbfdfc; stroke: #e41f3d; stroke-width: 2; vector-effect: non-scaling-stroke; }
#geometry .candidate-close-line { stroke: #16784a; stroke-width: 2; stroke-dasharray: 5 4; vector-effect: non-scaling-stroke; }
#geometry .candidate-point.closing { fill: #16784a; stroke: #fbfdfc; }
#crop-outline { fill: none; stroke: #16784a; stroke-width: 2; stroke-dasharray: 7 5; vector-effect: non-scaling-stroke; pointer-events: none; }
.crop-edge-hit { stroke: transparent; stroke-width: 18; pointer-events: stroke; vector-effect: non-scaling-stroke; }
.crop-handle { fill: #16784a; stroke: #fbfdfc; stroke-width: 3; filter: drop-shadow(0 2px 3px rgb(23 32 28 / 45%)); pointer-events: all; vector-effect: non-scaling-stroke; }
#crop-top, #crop-bottom { cursor: row-resize; }
#crop-left, #crop-right { cursor: col-resize; }
#crop-handle-top, #crop-handle-bottom { cursor: row-resize; }
#crop-handle-left, #crop-handle-right { cursor: col-resize; }
.edge-tooltip { position: absolute; z-index: 5; max-width: 260px; padding: 5px 8px; border-radius: 7px; color: #f3f7f5; background: #202723; box-shadow: 0 3px 10px rgb(23 32 28 / 22%); font: 12px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; pointer-events: none; }
.geometry-popover { position: absolute; z-index: 6; width: 230px; padding: 10px; border: 1px solid var(--line); border-radius: 11px; background: var(--panel); box-shadow: 0 10px 28px rgb(23 32 28 / 22%); }
.geometry-popover-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 9px; cursor: move; user-select: none; touch-action: none; }
.geometry-popover-heading strong { font: 12px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; }
.geometry-popover-heading button { min-width: 30px; min-height: 30px; padding: 2px; }
.swing-canvas-controls { position: absolute; z-index: 5; inset: 0; pointer-events: none; }
.swing-canvas-controls button { position: absolute; width: 31px; min-height: 31px; padding: 2px; transform: translate(-50%,-50%); border-radius: 50%; font: 18px/1 ui-monospace, SFMono-Regular, Menlo, monospace; pointer-events: auto; }
.swing-canvas-controls button.active { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.tools-stack { display: grid; gap: 12px; max-height: calc(100vh - 98px); overflow-y: auto; padding-bottom: 30px; }
.tool-panel { padding: 15px; display: grid; gap: 12px; box-shadow: none; }
.tool-panel h2 { margin: 0; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.loop-list, .comments, .user-list, .results { display: grid; gap: 8px; }
.loop-row, .comment, .user-row, .result-row { border: 1px solid var(--line); border-radius: 9px; padding: 9px; }
.loop-row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px; }
.loop-row.selected { border-color: var(--accent); background: var(--accent-soft); }
.loop-row button { min-height: 30px; padding: 4px 8px; }
.loop-row .loop-select { border: 0; text-align: left; font-weight: 650; }
.comment p { margin-bottom: 4px; white-space: pre-wrap; }
.comment small { color: var(--muted); }
.badge { border-radius: 99px; padding: 2px 7px; background: var(--accent-soft); color: var(--accent); font-size: 11px; }
.page-heading { margin: 6px 0 20px; }
.page-heading label { min-width: 180px; }
.gallery-filters { display: flex; align-items: end; gap: 14px; }
.check-label { display: flex; align-items: center; gap: 7px; min-width: auto !important; min-height: 38px; }
.check-label input { width: auto; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.gallery-card { padding: 0; overflow: hidden; text-align: left; background: var(--panel); color: var(--text); border-color: var(--line); font-weight: 400; }
.gallery-card.done { border-color: var(--accent); }
.gallery-card.in-progress { border-color: #0879ae; }
.gallery-card.not-done { border-color: #bd8b2c; }
.gallery-card img { width: 100%; aspect-ratio: 4/3; display: block; object-fit: contain; background: white; border-bottom: 1px solid var(--line); }
.gallery-card .card-body { padding: 12px; }
.gallery-card h2 { margin-bottom: 6px; }
.gallery-card p { margin-bottom: 5px; }
.gallery-card .hash { overflow-wrap: anywhere; font: 11px/1.35 ui-monospace, SFMono-Regular, Menlo, monospace; }
.state-badge { display: inline-block; margin-bottom: 8px; padding: 3px 8px; border-radius: 99px; font-size: 11px; font-weight: 750; }
.state-badge.done { color: var(--accent); background: var(--accent-soft); }
.state-badge.in-progress { color: #075b82; background: #dceff8; }
.state-badge.not-done { color: #6f4d0d; background: #fff0c9; }
#gallery-view { padding-bottom: 72px; }
.pagination { position: fixed; z-index: 12; right: 50%; bottom: 12px; transform: translateX(50%); display: flex; justify-content: center; align-items: center; gap: 10px; margin: 0; padding: 8px; box-shadow: 0 10px 30px rgb(23 32 28 / 20%); }
.pagination label { display: flex; align-items: center; gap: 6px; }
.pagination input { width: 68px; padding: 7px 8px; }
.admin-grid { display: grid; grid-template-columns: minmax(280px, 420px) minmax(360px, 1fr); gap: 16px; }
.admin-grid > form { padding: 20px; display: grid; gap: 14px; align-content: start; }
.toast { position: fixed; right: 18px; bottom: 18px; max-width: min(420px, calc(100vw - 36px)); padding: 12px 15px; color: white; background: #1b2b23; border-radius: 10px; box-shadow: var(--shadow); z-index: 50; }
.onboarding-dialog { width: min(460px,calc(100vw - 28px)); padding: 24px; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 13px; box-shadow: 0 18px 60px rgb(23 32 28 / 30%); }
.onboarding-dialog::backdrop { background: rgb(17 23 20 / 55%); }
.onboarding-dialog h2 { font-size: 21px; margin-bottom: 8px; }
.onboarding-dialog p:not(.eyebrow) { min-height: 62px; color: var(--muted); }
.onboarding-actions { display: grid; grid-template-columns: auto 1fr auto auto; gap: 8px; align-items: center; margin-top: 20px; }
@media (max-width: 900px) {
  .topbar { grid-template-columns: 1fr auto; }
  .topbar nav { grid-row: 2; grid-column: 1 / -1; overflow-x: auto; }
  .workspace-grid, .admin-grid { grid-template-columns: 1fr; }
  .tools-stack { max-height: none; overflow: visible; }
  .canvas-wrap { height: 70vh; min-height: 420px; }
}
@media (max-width: 560px) {
  main { padding: 10px; }
  .topbar { padding: 10px; }
  .topbar #user-label { display: none; }
  .workspace-header, .page-heading { align-items: stretch; flex-direction: column; }
  .pagination { width: calc(100% - 20px); }
}