:root {
  color-scheme: dark;
  --bg: #12141a;
  --panel: #1c2030;
  --line: #31384d;
  --text: #eef2f8;
  --muted: #9aa3b8;
  --accent: #7c93ff;
  --accent-2: #3ed0c0;
  --danger: #ff8d8d;
  --warn: #e6c36a;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent-2); }
.app { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.app.collapsed { grid-template-columns: 1fr; }
.app.collapsed .side { display: none; }
.workspace { min-width: 0; }
.topbar { display: flex; gap: 8px; align-items: center; padding: 16px 28px 0; }
.topbar .spacer { margin-left: auto; }
.relay-links { display: inline-flex; gap: 6px; align-items: center; min-width: 0; }
.relay-links .ghost-btn { white-space: nowrap; }
:root[data-theme="light"] { color-scheme: light; --bg: #eef0f8; --panel: #ffffff; --line: #d5d9e6; --text: #171b27; --muted: #5c657a; --accent: #3d57d6; --accent-2: #0f766e; --danger: #b42318; }
:root[data-theme="light"] .side { background: #f7f8fc; }
:root[data-theme="light"] input, :root[data-theme="light"] select, :root[data-theme="light"] textarea { background: #fff; }
:root[data-theme="light"] .switch button, :root[data-theme="light"] .ghost-btn { background: #eef1f8; }
.side { padding: 22px 16px; border-right: 1px solid var(--line); background: #171b27; }
.logo { font-weight: 700; letter-spacing: .04em; }
.side nav { display: grid; gap: 6px; margin-top: 22px; }
.side a, .ghost { display: block; padding: 9px 10px; border-radius: 8px; color: var(--text); text-decoration: none; background: transparent; border: 0; text-align: left; }
.side a[aria-current="page"], .side a:hover { background: #2a3148; }
main { padding: 28px; max-width: 1080px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
input, select, textarea { background: #10131b; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
textarea { min-height: 120px; resize: vertical; }
.switch button, .primary, .ghost-btn { border-radius: 999px; border: 1px solid var(--line); background: #262c3e; padding: 8px 14px; cursor: pointer; }
.switch button[aria-pressed="true"], .primary { background: var(--accent); color: #10131b; border-color: transparent; font-weight: 700; }
.price { margin-left: auto; text-align: right; }
.price s { color: var(--muted); margin-right: 8px; }
.price strong { font-size: 22px; }
.muted { color: var(--muted); }
.list { display: grid; gap: 10px; }
.task, .ledger, .model { display: grid; grid-template-columns: 1.4fr .8fr auto; gap: 12px; align-items: center; }
.bad { color: var(--danger); }
.login { max-width: 420px; margin: 12vh auto; }
@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }
  .grid, .task, .ledger, .model { grid-template-columns: 1fr; }
}

.preview-thumb { display: block; cursor: zoom-in; border-radius: 12px; }
video.preview-thumb { cursor: default; background: #10131b; }
.preview-back { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; padding: 24px; background: rgba(8, 10, 16, .72); }
.preview-card.sheet { width: min(640px, 100%); max-height: min(82vh, 760px); overflow: auto; }
.preview-card { width: min(720px, 100%); display: grid; gap: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.preview-handle { cursor: grab; justify-content: flex-start; }
.preview-handle button { margin-left: auto; }
.preview-handle.dragging { cursor: grabbing; user-select: none; }
.preview-card.placed { position: fixed; z-index: 21; margin: 0; }
.preview-card img { width: 100%; height: auto; background: #10131b; border-radius: 12px; }
.preview-video, .preview-card video { display: block; width: 100%; max-height: min(62vh, 520px); border-radius: 12px; background: #10131b; }

.mention-menu { display: grid; gap: 4px; padding: 8px; border: 1px solid var(--line); border-radius: 12px; background: #171b27; }
.mention-menu[hidden] { display: none; }
.mention-menu button { text-align: left; background: transparent; border: 0; padding: 8px 10px; border-radius: 8px; cursor: pointer; }
.mention-menu button:hover { background: #2a3148; }

.dropzone { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; padding: 12px; border: 1px dashed var(--line); border-radius: 12px; color: var(--muted); }

.expert { margin: 8px 0 12px; }
.expert summary { cursor: pointer; font-weight: 600; }

.preview-zoom { padding: 0; border: 0; background: transparent; cursor: zoom-in; }
.preview-zoom.zoomed, .preview-card.zoomed { cursor: zoom-out; }
.preview-card.zoomed { width: min(1080px, 100%); }

.recent-card { grid-template-columns: 128px 1fr; align-items: center; }
.recent-card img { width: 120px; height: 72px; object-fit: cover; border-radius: 8px; background: #10131b; }

.sheet { width: 100%; border-collapse: collapse; }
.sheet th, .sheet td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }

.account-wrap { position: relative; }
.account-panel { position: absolute; right: 0; top: 42px; z-index: 5; display: grid; gap: 6px; min-width: 180px; padding: 10px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.account-panel button { text-align: left; }
:root[data-motion="saver"] *, :root[data-motion="off"] * { transition: none !important; animation: none !important; }
:root[data-motion="balanced"] * { transition-duration: .08s !important; }

.face-stage { width: 100%; max-height: 480px; background: #10131b; border-radius: 12px; cursor: crosshair; }
.face-stage[hidden] { display: none; }

main.canvas-main { max-width: none; }
.canvas-library-head { justify-content: space-between; align-items: flex-end; }
.canvas-card { align-items: start; }
.canvas-editor { display: grid; gap: 12px; }
.canvas-toolbar { align-items: center; }
.canvas-stage { position: relative; height: min(68vh, 720px); overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background-color: #10131b; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 24px 24px; }
.canvas-world { position: absolute; inset: 0; transform-origin: 0 0; }
.canvas-wires { position: absolute; left: 0; top: 0; overflow: visible; width: 100%; height: 100%; pointer-events: none; }
.canvas-wires .canvas-edge { pointer-events: stroke; }
.canvas-wires .canvas-edge { pointer-events: stroke; }
.canvas-edge { pointer-events: stroke; cursor: pointer; }
.canvas-edge-hit { fill: none; stroke: rgba(0,0,0,.001); stroke-width: 16; pointer-events: stroke; }
.canvas-edge-line { fill: none; stroke: var(--accent-2); stroke-width: 2; pointer-events: stroke; }
.canvas-edge:hover .canvas-edge-line { stroke: var(--accent); stroke-width: 3; }
.canvas-edge-selected .canvas-edge-line { stroke: var(--accent); stroke-width: 4; }

.canvas-node { position: absolute; width: 220px; min-height: 112px; box-sizing: border-box; cursor: grab; overflow: visible; }
.canvas-selection-frame { position: absolute; z-index: 1; pointer-events: none; box-sizing: border-box; border: 1px dashed var(--accent-2); background: rgba(124, 147, 255, .06); border-radius: 16px; }
.canvas-context-menu { position: fixed; z-index: 80; display: grid; gap: 2px; width: 168px; padding: 6px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); box-shadow: 0 14px 36px rgba(0,0,0,.35); }
.canvas-context-menu p { margin: 4px 8px 6px; font-size: 11px; }
.canvas-context-menu button { width: 100%; padding: 7px 9px; border: 0; border-radius: 7px; background: transparent; color: inherit; text-align: left; cursor: pointer; }
.canvas-context-menu button:hover:not(:disabled) { background: rgba(124,147,255,.15); }
.canvas-context-menu button:disabled { opacity: .38; cursor: default; }
.canvas-context-menu button.danger { color: #ff8d8d; }
.canvas-selection-frame span { position: absolute; left: 8px; top: -25px; padding: 2px 7px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); color: var(--muted); font-size: 11px; white-space: nowrap; }
.canvas-node.selected { outline: 2px solid var(--accent); }
.canvas-node header { font-weight: 700; }
.canvas-node p { margin: 8px 0 0; color: var(--muted); line-height: 1.4; }
.font-size-controls { align-items: center; }
.canvas-node-preview { display: block; width: 100%; height: calc(100% - 64px); min-height: 40px; max-height: calc(100% - 64px); object-fit: cover; margin-top: 8px; border-radius: 8px; }
.canvas-node-audio { display: block; width: 100%; margin-top: 8px; }
.canvas-node-video { display: block; width: 100%; height: calc(100% - 64px); min-height: 80px; max-height: calc(100% - 64px); object-fit: contain; margin-top: 8px; border-radius: 8px; background: #000; }
.library-material-preview { display: block; width: 100%; max-height: 240px; object-fit: contain; margin: 8px 0; border-radius: 8px; background: #000; }
.canvas-node-audio-preview { display: grid; align-content: center; gap: 4px; min-height: 56px; margin-top: 8px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: color-mix(in srgb, var(--panel) 76%, var(--accent-2) 24%); }
.canvas-node-audio-preview strong { font-size: 12px; color: var(--accent); }
.canvas-node-audio-preview span { color: var(--muted); font-size: 11px; line-height: 1.4; }
.canvas-node-status { margin-left: 8px; font-size: 11px; font-weight: 500; color: var(--accent); }
.canvas-resize-handle { position: absolute; right: 0; bottom: 0; z-index: 2; width: 18px; height: 18px; padding: 0; border: 0; border-radius: 0 0 12px; background: linear-gradient(135deg, transparent 0 46%, var(--accent) 48% 55%, transparent 57% 67%, var(--accent) 69% 76%, transparent 78%); cursor: nwse-resize; touch-action: none; }
.canvas-resize-handle:focus-visible { outline: 2px solid var(--accent); outline-offset: -3px; }
.port { position: absolute; top: 28px; width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--accent); background: var(--panel); padding: 0; }
.port-in { left: -8px; }
.port-out { right: -8px; }
.canvas-hint, .canvas-empty { position: absolute; left: 16px; right: 16px; }
.canvas-hint { bottom: 10px; margin: 0; color: var(--muted); pointer-events: none; }
.canvas-empty { top: 24%; text-align: center; pointer-events: none; }
.canvas-empty-library { display: grid; gap: 8px; justify-items: start; }

.canvas-toolbar h1 { margin: 0; font-size: 22px; }


[hidden] { display: none !important; }


.cashier-products { display: flex; flex-wrap: wrap; gap: 12px; }
.cashier-tier { display: grid; justify-items: start; min-width: 148px; border-radius: 16px; text-align: left; }
.cashier-tier strong { font-size: 28px; line-height: 1; }
.cashier-tier small { color: var(--muted); font-size: 12px; }
.cashier-tier:disabled { opacity: .45; }


.canvas-toolbar button[aria-pressed='true'] { outline: 2px solid var(--accent); }
.canvas-marquee { position: absolute; z-index: 3; border: 1px solid var(--accent); background: rgba(124, 147, 255, .18); pointer-events: none; }
.canvas-minimap { position: absolute; right: 12px; bottom: 40px; z-index: 4; width: 168px; height: 104px; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: rgba(16, 19, 27, .88); }
.canvas-map-dot { position: absolute; width: 6px; height: 6px; margin: -3px 0 0 -3px; border-radius: 50%; background: var(--muted); }
.canvas-map-dot.on { background: var(--accent); }
.canvas-map-frame { position: absolute; border: 1px solid var(--accent-2); box-sizing: border-box; }
.canvas-map-toggle { position: absolute; right: 12px; bottom: 8px; z-index: 4; padding: 4px 8px; }


.canvas-work { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 12px; align-items: start; }
.canvas-work.resources-closed { grid-template-columns: minmax(0, 1fr); }
.canvas-resources { display: grid; gap: 8px; align-content: start; max-height: min(78vh, 820px); overflow: auto; }
.canvas-resource-row { justify-content: space-between; text-align: left; }
.canvas-column { min-width: 0; display: grid; gap: 12px; }
@media (max-width: 900px) { .canvas-work { grid-template-columns: 1fr; } }


.mask-stage { width: 100%; height: 180px; background: #10131b; border-radius: 12px; cursor: crosshair; touch-action: none; }


.crop-stage { position: relative; width: 320px; max-width: 100%; height: 180px; background: #10131b; border-radius: 12px; overflow: hidden; }
.crop-box { position: absolute; border: 2px solid var(--accent); background: rgba(124, 147, 255, .22); cursor: move; box-sizing: border-box; }
.crop-handle { position: absolute; right: -7px; bottom: -7px; width: 14px; height: 14px; padding: 0; border-radius: 4px; border: 0; background: var(--accent); cursor: nwse-resize; }


#submission-receipt { gap: 8px; flex-wrap: wrap; }
#submission-receipt:empty { display: none; }

.registration-extra { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.registration-extra > summary { cursor: pointer; color: var(--muted); }
.registration-extra > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.captcha-box { display: flex; flex-direction: column; gap: 8px; }
.captcha-question { font-variant-numeric: tabular-nums; color: var(--muted); white-space: nowrap; }
.captcha-box input[name="captcha_answer"] { max-width: 140px; }
.flash { border-color: var(--accent); }

.canvas-plugin-card { gap: 8px; }
.canvas-plugin-card .ghost-btn { justify-self: start; }
.canvas-node-inline-text { width: 100%; min-height: 0; height: calc(100% - 52px); box-sizing: border-box; border: 0; border-radius: 8px; padding: 4px 6px; resize: none; background: rgba(16, 19, 27, .86); line-height: 1.45; font-size: 13px; }
.canvas-node.inline-editing { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.canvas-bg-dots { background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 24px 24px; }
.canvas-bg-blank { background-image: none; }
.canvas-bg-picker { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; }
.canvas-bg-picker select { width: auto; min-width: 84px; }

.announcement-body { white-space: pre-wrap; overflow-wrap: anywhere; }

/* Historical legacy canvas (independent project model) */
.legacy-page { display: grid; gap: 18px; max-width: 1180px; }
.legacy-page-head, .legacy-editor-head { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.legacy-page-head > div:first-child { flex: 1 1 460px; }
.legacy-page-head h1, .legacy-editor-head h1 { margin: 0; }
.legacy-projects { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.legacy-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 16px; }
.legacy-project-card { display: flex; gap: 14px; justify-content: space-between; align-items: center; }
.legacy-project-main { display: grid; gap: 5px; min-width: 0; }
.legacy-project-main strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.legacy-empty { grid-column: 1 / -1; text-align: center; padding: 48px 20px; }
.legacy-empty h2 { margin-bottom: 8px; }
.legacy-confirm { width: min(520px, 100%); display: grid; gap: 12px; }
.legacy-overlay { position: fixed; inset: 0; z-index: 30; display: grid; place-items: center; padding: 24px; background: rgba(8, 10, 16, .74); backdrop-filter: blur(5px); }
.legacy-editor { max-width: none; height: calc(100vh - 92px); min-height: 620px; gap: 12px; }
.legacy-editor-head { padding: 4px 0; }
.legacy-title-button { border: 0; background: transparent; color: var(--text); font-weight: 700; cursor: pointer; padding: 4px 2px; }
.legacy-title-button:hover { color: var(--accent-2); }
.legacy-save-state { color: var(--muted); font-size: 12px; }
.legacy-editor-head .spacer { flex: 1; }

.legacy-board { position: relative; overflow: hidden; min-height: 520px; height: calc(100vh - 190px); border: 1px solid var(--line); border-radius: 18px; background: #10131b; touch-action: none; outline: none; }
.legacy-board.legacy-dragging { cursor: grabbing; }
.legacy-grid { position: absolute; inset: 0; pointer-events: none; background-image: radial-gradient(circle, rgba(154, 163, 184, .28) 1px, transparent 1px); }
.legacy-world { position: absolute; left: 0; top: 0; width: 1px; height: 1px; transform-origin: 0 0; }
.legacy-links { position: absolute; left: 0; top: 0; width: 1px; height: 1px; overflow: visible; pointer-events: none; }
.legacy-links path { fill: none; stroke: var(--accent-2); stroke-width: 2; opacity: .75; }
.legacy-node { position: absolute; width: 238px; min-height: 132px; display: grid; grid-template-rows: auto 1fr; gap: 8px; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); box-shadow: 0 12px 34px rgba(0, 0, 0, .22); cursor: grab; user-select: none; z-index: 2; }
.legacy-node:active { cursor: grabbing; }
.legacy-node.legacy-selected { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent), 0 14px 36px rgba(0, 0, 0, .28); }
.legacy-node-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--muted); }
.legacy-node-head strong { color: var(--accent-2); font-weight: 600; }
.legacy-node-body { min-width: 0; min-height: 72px; display: grid; place-items: center; overflow: hidden; border-radius: 9px; background: rgba(0, 0, 0, .14); }
.legacy-node-body p { margin: 0; width: 100%; max-height: 88px; overflow: hidden; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.45; font-size: 13px; }
.legacy-node-body img, .legacy-node-body video { display: block; width: 100%; max-height: 118px; object-fit: cover; border-radius: 9px; }
.legacy-placeholder { padding: 14px; text-align: center; color: var(--muted); font-size: 12px; }
.legacy-port { position: absolute; top: 52px; width: 12px; height: 12px; padding: 0; border: 2px solid var(--panel); border-radius: 50%; background: var(--accent-2); cursor: crosshair; z-index: 3; }
.legacy-port-in { left: -7px; }
.legacy-port-out { right: -7px; }
.legacy-zoom, .legacy-tools { position: absolute; z-index: 5; display: flex; gap: 6px; align-items: center; padding: 6px; border: 1px solid var(--line); border-radius: 12px; background: color-mix(in srgb, var(--panel) 92%, transparent); backdrop-filter: blur(8px); }
.legacy-zoom { top: 12px; right: 12px; }
.legacy-tools { left: 12px; bottom: 12px; right: 330px; flex-wrap: wrap; }
.legacy-board-hint { position: absolute; left: 16px; top: 14px; margin: 0; color: var(--muted); font-size: 12px; pointer-events: none; }
.legacy-inspector { position: absolute; top: 12px; right: 12px; bottom: 76px; width: min(310px, calc(100% - 24px)); overflow: auto; display: grid; align-content: start; gap: 10px; padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--panel) 94%, transparent); backdrop-filter: blur(10px); z-index: 6; }
.legacy-inspector-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.legacy-inspector-head h2 { margin: 0; font-size: 16px; }
.legacy-inspector textarea { min-height: 110px; }
.legacy-param-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.legacy-incoming { display: grid; gap: 6px; padding-top: 8px; border-top: 1px solid var(--line); }
.legacy-incoming .row { justify-content: space-between; gap: 8px; font-size: 12px; }
.legacy-incoming .row span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 900px) {
  .legacy-editor { height: auto; min-height: 0; }
  .legacy-board { height: 72vh; min-height: 560px; }
  .legacy-inspector { top: auto; left: 12px; right: 12px; bottom: 76px; width: auto; max-height: 44vh; }
  .legacy-tools { right: 12px; }
  .legacy-board-hint { display: none; }
}

.legacy-recovery { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 10px 14px; border: 1px solid var(--warn); border-radius: 12px; background: color-mix(in srgb, var(--panel) 80%, var(--warn) 20%); color: var(--text); font-size: 13px; }
.legacy-recovery span { flex: 1 1 420px; }
.legacy-work-picker { width: min(760px, 100%); max-height: min(82vh, 720px); overflow: auto; }
.legacy-work-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.legacy-work-card { display: grid; gap: 6px; padding: 8px; border: 1px solid var(--line); border-radius: 12px; background: rgba(0, 0, 0, .12); text-align: left; cursor: pointer; }
.legacy-work-card:hover { border-color: var(--accent-2); }
.legacy-work-card img, .legacy-work-video { display: grid; place-items: center; width: 100%; height: 110px; object-fit: cover; border-radius: 8px; background: #10131b; color: var(--muted); }
.legacy-work-card span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.legacy-work-card small { color: var(--muted); }