:root {
  --bg: #06090c;
  --bg-soft: #0a0f13;
  --panel: rgba(12, 18, 22, .96);
  --panel-soft: #10171c;
  --panel-hover: #152126;
  --line: rgba(157, 201, 196, .16);
  --line-strong: rgba(78, 224, 210, .48);
  --text: #eef4f2;
  --muted: #82918e;
  --faint: #53615f;
  --jade: #4ee0d2;
  --jade-dark: #163d3b;
  --gold: #d8b36a;
  --danger: #f17478;
  --success: #4ed39d;
  --shadow: 0 18px 56px rgba(0, 0, 0, .32);
  --radius: 8px;
}

html[data-theme="day"] {
  --bg: #edf2f0;
  --bg-soft: #f5f8f7;
  --panel: rgba(255, 255, 255, .97);
  --panel-soft: #f2f6f4;
  --panel-hover: #e8f2ef;
  --line: rgba(37, 73, 67, .17);
  --line-strong: rgba(14, 117, 110, .5);
  --text: #24322e;
  --muted: #687873;
  --faint: #91a09b;
  --jade: #0e756e;
  --jade-dark: #dcedea;
  --gold: #9a6f26;
  --danger: #b7444d;
  --success: #268361;
  --shadow: 0 18px 46px rgba(43, 64, 59, .14);
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; }
html { background: var(--bg); }
body {
  min-width: 320px;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
}
button, input, textarea, select { color: inherit; font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { border: 0; cursor: pointer; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, a:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

.canvas-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}
.canvas-brand b, .brand-seal {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--jade-dark);
  color: var(--jade);
  font-family: "KaiTi", serif;
  font-size: 19px;
}
.canvas-brand span { font-size: 13px; font-weight: 800; letter-spacing: .12em; }
.canvas-brand.is-compact b { width: 32px; height: 32px; font-size: 17px; }

.theme-button, .square-button {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--muted);
}
.theme-button:hover, .square-button:hover { border-color: var(--line-strong); color: var(--jade); }

/* Account gate */
.auth-gate {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
}
.auth-gate-card {
  width: min(460px, 100%);
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: none;
  text-align: center;
}
.auth-gate-card .brand-seal { margin: 0 auto 24px; }
.auth-gate-card p, .library-hero p, .library-section > header p {
  margin: 0 0 8px;
  color: var(--jade);
  font: 700 11px/1.2 Consolas, monospace;
  letter-spacing: .15em;
}
.auth-gate-card h1 { margin: 0 0 10px; font-size: 25px; }
.auth-gate-card > span { display: block; color: var(--muted); }
.auth-gate-card a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 28px;
  padding: 0 22px;
  border-radius: 6px;
  background: var(--jade);
  color: #06100f;
  font-weight: 800;
  text-decoration: none;
}

/* Project library */
.project-library {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--bg);
}
.library-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  backdrop-filter: none;
}
.library-account { min-width: 0; display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; }
.library-account #library-account-name {
  max-width: min(22vw, 180px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.library-home-link {
  min-height: 32px;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}
.library-home-link:hover { border-color: var(--line-strong); color: var(--jade); }
.library-hero, .library-section { width: min(1220px, calc(100% - 40px)); margin: 0 auto; }
.library-hero { padding: clamp(54px, 9vh, 98px) 0 58px; }
.library-hero h1 { max-width: 760px; margin: 0 0 16px; font-size: clamp(32px, 5vw, 58px); line-height: 1.16; letter-spacing: -.035em; }
.library-hero > span { color: var(--muted); font-size: 15px; }
.library-section { padding-bottom: 70px; }
.library-section > header { display: flex; align-items: end; justify-content: space-between; margin-bottom: 20px; }
.library-section > header h2 { margin: 0; font-size: 24px; }
.library-section > header button {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--panel-soft);
  color: var(--muted);
}
.library-section > header button:hover { border-color: var(--line-strong); color: var(--jade); }
.project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.project-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: none;
  transition: border-color .2s ease;
}
.project-card:hover { border-color: var(--line-strong); }
.project-card-main { width: 100%; display: block; padding: 0; background: transparent; text-align: left; }
.project-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(78, 224, 210, .1), transparent 55%),
    var(--panel-soft);
}
.project-cover img { width: 100%; height: 100%; display: block; object-fit: cover; }
.project-cover-placeholder { color: var(--faint); font: 800 24px/1 Consolas, monospace; letter-spacing: .1em; }
.project-card-copy { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 15px 16px 8px; }
.project-card-copy strong { min-width: 0; overflow: hidden; color: var(--text); font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.project-card-copy time { flex: 0 0 auto; color: var(--faint); font-size: 10px; }
.project-card-actions { display: flex; gap: 6px; padding: 0 12px 12px; }
.project-card-actions button {
  min-height: 30px;
  padding: 0 9px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
}
.project-card-actions button:hover { border-color: var(--line); background: var(--panel-soft); color: var(--text); }
.project-card-actions button:last-child { margin-left: auto; }
.project-card-actions button:last-child:hover { color: var(--danger); }
.project-card.is-new { min-height: 230px; border-style: dashed; }
.project-card.is-new button { width: 100%; height: 100%; min-height: 230px; display: grid; place-items: center; align-content: center; gap: 10px; background: transparent; color: var(--muted); }
.project-card.is-new b { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--jade); font-size: 25px; font-weight: 400; }
.project-card.is-new strong { color: var(--text); }
.project-card.is-new small { color: var(--faint); }
.project-empty { grid-column: 1 / -1; padding: 34px; color: var(--muted); text-align: center; }
.library-loading { padding: 38px; color: var(--muted); text-align: center; }

/* Full-screen editor */
.canvas-editor { position: relative; width: 100%; height: 100%; overflow: hidden; background: var(--bg); }
.canvas-topbar {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 80;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 12px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.topbar-leading, .topbar-tools { min-width: 0; display: flex; align-items: center; gap: 7px; }
.topbar-tools { overflow-x: auto; scrollbar-width: none; }
.topbar-tools::-webkit-scrollbar { display: none; }
.topbar-tools button, .retry-save {
  min-width: max-content;
  height: 34px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
}
.topbar-tools button:hover:not(:disabled), .retry-save:hover { border-color: var(--line); background: var(--panel-soft); color: var(--text); }
.topbar-tools button:disabled { opacity: .36; cursor: default; }
.topbar-tools .danger-ghost:hover:not(:disabled) { color: var(--danger); }
.tool-divider { width: 1px; height: 22px; flex: 0 0 auto; background: var(--line); }
.project-title-label { min-width: 110px; width: min(240px, 22vw); }
.project-title-label input { width: 100%; height: 34px; padding: 0 9px; border: 1px solid transparent; border-radius: 5px; outline: 0; background: transparent; font-weight: 700; }
.project-title-label input:hover, .project-title-label input:focus { border-color: var(--line); background: var(--panel-soft); }
.save-status { flex: 0 0 auto; color: var(--faint); font-size: 10px; }
.save-status.is-saving { color: var(--gold); }
.save-status.is-error { color: var(--danger); }
.retry-save { border-color: rgba(241, 116, 120, .3); color: var(--danger); }

.canvas-viewport {
  position: absolute;
  inset: 58px 0 0;
  overflow: hidden;
  touch-action: none;
  cursor: grab;
  background-color: var(--bg);
  background-image: radial-gradient(circle, color-mix(in srgb, var(--muted) 28%, transparent) 1px, transparent 1.3px);
  background-size: 24px 24px;
  user-select: none;
}
.canvas-viewport.is-panning { cursor: grabbing; }
.canvas-world {
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 1px;
  transform-origin: 0 0;
  will-change: transform;
}
.node-layer { position: absolute; inset: 0; width: 1px; height: 1px; }
.edge-layer { position: absolute; left: 0; top: 0; width: 1px; height: 1px; overflow: visible; pointer-events: none; }
.canvas-edge {
  fill: none;
  stroke: color-mix(in srgb, var(--jade) 68%, var(--muted));
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  pointer-events: stroke;
  cursor: pointer;
}
.canvas-edge.is-generation { stroke: color-mix(in srgb, var(--gold) 66%, var(--muted)); stroke-dasharray: 5 5; }
.canvas-edge.is-selected { stroke: var(--danger); stroke-width: 3; }
.canvas-edge-hit { fill: none; stroke: transparent; stroke-width: 14; vector-effect: non-scaling-stroke; pointer-events: stroke; cursor: pointer; }
.canvas-edge-preview { fill: none; stroke: var(--jade); stroke-width: 2; stroke-dasharray: 6 5; vector-effect: non-scaling-stroke; }

.canvas-node {
  position: absolute;
  width: 286px;
  min-height: 150px;
  overflow: visible;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: none;
  color: var(--text);
  user-select: none;
}
.canvas-node.is-prompt { width: 350px; }
.canvas-node.is-selected { border-color: var(--jade); box-shadow: none; }
.canvas-node.is-dragging { opacity: .92; }
.node-head {
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 9px 0 12px;
  border-bottom: 1px solid var(--line);
  cursor: grab;
}
.node-head:active { cursor: grabbing; }
.node-head > i { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: var(--jade); box-shadow: none; }
.canvas-node.is-material .node-head > i { background: var(--gold); box-shadow: none; }
.canvas-node.is-result .node-head > i { background: var(--success); box-shadow: none; }
.node-head strong { min-width: 0; overflow: hidden; flex: 1; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.node-head small { color: var(--faint); font-size: 9px; }
.node-delete {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: transparent;
  color: var(--faint);
}
.node-delete:hover { background: color-mix(in srgb, var(--danger) 10%, transparent); color: var(--danger); }
.canvas-editor .node-delete:focus-visible { outline: 2px solid var(--canvas-edge-active); outline-offset: 1px; }
.node-body { padding: 12px; user-select: text; }
.node-textarea-shell { position: relative; }
.node-body textarea {
  width: 100%;
  min-height: 92px;
  display: block;
  resize: vertical;
  padding: 10px 48px 10px 11px;
  border: 1px solid var(--line);
  border-radius: 5px;
  outline: 0;
  background: var(--bg-soft);
  color: var(--text);
  line-height: 1.65;
}
.node-body textarea:focus { border-color: var(--line-strong); }
.node-input-clear {
  position: absolute;
  top: 7px;
  right: 7px;
  min-width: 34px;
  height: 24px;
  padding: 0 7px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  color: var(--faint);
  font-size: 10px;
}
.node-input-clear:hover { border-color: var(--line-strong); color: var(--text); }
.node-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 8px; }
.node-form-row.is-video { grid-template-columns: 1.3fr .8fr .8fr; }
.node-form-row label { min-width: 0; }
.node-form-row label > span { display: block; margin-bottom: 4px; color: var(--faint); font-size: 9px; }
.node-form-row select, .node-form-row input {
  width: 100%;
  height: 34px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  outline: 0;
  background: var(--panel-soft);
  color: var(--text);
  font-size: 10px;
}
.node-form-row select:focus, .node-form-row input:focus { border-color: var(--line-strong); }
.node-cost-note {
  margin-top: 8px;
  padding: 7px 8px;
  border: 1px solid color-mix(in srgb, var(--gold) 24%, var(--line));
  border-radius: 4px;
  background: color-mix(in srgb, var(--gold) 6%, transparent);
  color: var(--muted);
  font-size: 9px;
  line-height: 1.45;
}
.node-reference-summary { min-height: 24px; display: flex; align-items: center; margin-top: 8px; color: var(--muted); font-size: 9px; }
.node-generate {
  width: 100%;
  min-height: 38px;
  margin-top: 8px;
  border-radius: 5px;
  background: var(--jade);
  color: #06100f;
  font-size: 11px;
  font-weight: 800;
}
.node-generate:hover { filter: none; }
.node-generate:disabled { opacity: .5; cursor: wait; }

.node-media {
  min-height: 168px;
  overflow: hidden;
  display: grid;
  place-items: center;
  border-radius: 0 0 7px 7px;
  background:
    linear-gradient(135deg, rgba(78, 224, 210, .055), transparent),
    var(--bg-soft);
  user-select: none;
}
.node-media img, .node-media video { width: 100%; max-height: 270px; display: block; object-fit: contain; }
.node-media img[data-node-drag] { cursor: grab; }
.canvas-node.is-dragging .node-media img[data-node-drag] { cursor: grabbing; }
.node-media-player-shell,
.node-audio-player { position: relative; width: 100%; min-width: 0; }
.node-media-player-shell > video { width: 100%; }
.node-media-drag-surface {
  position: relative;
  width: 100%;
  min-width: 0;
  display: grid;
  place-items: center;
}
.node-media-player-shell > span.node-media-drag-surface {
  position: absolute;
  top: 6px;
  left: 50%;
  z-index: 2;
  width: auto;
  min-width: 76px;
  min-height: 22px;
  padding: 0 8px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  font-size: 9px;
  transform: translateX(-50%);
}
.node-media-player-shell > span.node-media-drag-surface:hover { color: var(--text); }
.node-media-drag-surface[data-node-drag],
.audio-drag-handle[data-node-drag] { cursor: grab; }
.canvas-node.is-dragging .node-media-drag-surface[data-node-drag],
.canvas-node.is-dragging .audio-drag-handle[data-node-drag] { cursor: grabbing; }
.audio-drag-handle {
  width: calc(100% - 24px);
  min-height: 18px;
  display: grid;
  place-items: center;
  margin: 7px 12px 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
}
.audio-drag-handle::before {
  width: 34px;
  height: 3px;
  border-radius: 999px;
  background: var(--line-strong);
  content: "";
}
.audio-drag-handle:hover::before { background: var(--text); }
.node-media audio { width: calc(100% - 24px); }
.node-media-state { padding: 26px 18px; color: var(--muted); text-align: center; }
.node-media-state b { display: block; margin-bottom: 5px; color: var(--text); font-size: 11px; }
.node-media-state span { display: block; font-size: 9px; line-height: 1.55; }
.node-media-state.is-error b, .node-media-state.is-error span { color: var(--danger); }
.node-media-state.is-error button[data-upload-node] {
  min-height: 32px;
  margin-top: 10px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--text);
  font-size: 10px;
  font-weight: 650;
}
.node-media-state.is-error button[data-upload-node]:hover { border-color: var(--text); background: var(--panel-hover); }
.node-progress { height: 3px; margin: 0 12px 12px; overflow: hidden; border-radius: 2px; background: var(--line); }
.node-progress i { height: 100%; display: block; background: var(--jade); transition: width .25s ease; }
.node-result-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 11px; border-top: 1px solid var(--line); color: var(--muted); font-size: 9px; }
.node-result-meta a { color: var(--jade); text-decoration: none; }
.node-result-meta a:hover { text-decoration: underline; }
.node-result-meta button { padding: 4px 6px; border: 1px solid var(--line-strong); border-radius: 4px; background: transparent; color: var(--jade); font-size: 9px; }
.node-expiry { color: var(--gold); }

.node-port {
  position: absolute;
  z-index: 4;
  width: 16px;
  height: 16px;
  display: block;
  border: 2px solid var(--panel);
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 1px var(--line-strong);
  cursor: crosshair;
}
.node-port::before {
  content: "";
  position: absolute;
  inset: calc(-10px * var(--canvas-inverse-zoom, 1));
  border-radius: 50%;
}
.node-port.is-input { left: -8px; top: 50%; transform: translateY(-50%); }
.node-port.is-output { right: -8px; top: 50%; transform: translateY(-50%); }
.node-port.is-generation { background: var(--gold); box-shadow: 0 0 0 1px color-mix(in srgb, var(--gold) 58%, transparent); cursor: crosshair; }
.node-port.is-result-input { background: var(--gold); }
.node-port:hover { transform: translateY(-50%) scale(1.2); }

.selection-marquee {
  position: absolute;
  z-index: 60;
  border: 1px solid var(--jade);
  background: color-mix(in srgb, var(--jade) 9%, transparent);
  pointer-events: none;
}
.empty-canvas {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  display: grid;
  gap: 6px;
  transform: translate(-50%, -50%);
  color: var(--muted);
  text-align: center;
  pointer-events: none;
}
.empty-canvas small { color: var(--faint); }

.canvas-toolbox {
  position: absolute;
  left: 14px;
  top: 76px;
  z-index: 70;
  display: grid;
  gap: 4px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: none;
}
.canvas-toolbox button { width: 54px; min-height: 50px; display: grid; place-items: center; align-content: center; gap: 2px; border-radius: 5px; background: transparent; color: var(--muted); }
.canvas-toolbox button:hover:not(:disabled) { background: var(--panel-hover); color: var(--text); }
.canvas-toolbox button:disabled { opacity: .35; cursor: default; }
.canvas-toolbox b { color: var(--jade); font-size: 19px; font-weight: 500; line-height: 1; }
.canvas-toolbox span { font-size: 9px; }
.canvas-toolbox .toolbox-danger b { color: var(--danger); }
.toolbox-divider { height: 1px; background: var(--line); }

.zoom-controls {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 70;
  display: flex;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  box-shadow: none;
}
.zoom-controls button { height: 34px; min-width: 36px; padding: 0 9px; border-right: 1px solid var(--line); background: transparent; color: var(--muted); }
.zoom-controls button:last-child { border-right: 0; }
.zoom-controls button:hover { background: var(--panel-hover); color: var(--text); }
.zoom-controls #zoom-reset { min-width: 60px; font-size: 10px; }
.canvas-help, .selection-hint {
  position: absolute;
  z-index: 65;
  bottom: 17px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  color: var(--faint);
  font-size: 9px;
  pointer-events: none;
}
.canvas-help { display: flex; align-items: center; gap: 8px; pointer-events: none; }
.canvas-help button {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  color: inherit;
  pointer-events: auto;
}
.canvas-help button:hover { border-color: var(--line-strong); color: var(--text); }
.selection-hint { bottom: 56px; color: var(--jade); }

.toast-stack { position: fixed; right: 16px; bottom: 58px; z-index: 200; display: grid; gap: 8px; pointer-events: none; }
.toast {
  max-width: min(380px, calc(100vw - 32px));
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--panel);
  box-shadow: none;
  color: var(--text);
  font-size: 11px;
  animation: none;
}
.toast.is-error { border-color: color-mix(in srgb, var(--danger) 58%, transparent); color: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

@media (max-width: 900px) {
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .canvas-brand.is-compact span, .save-status { display: none; }
  .project-title-label { width: min(180px, 25vw); }
  .topbar-tools button { padding: 0 8px; }
}

@media (max-width: 640px) {
  .library-topbar { padding: 0 14px; }
  .library-account { gap: 6px; }
  .library-account #library-account-name { max-width: 64px; }
  .library-home-link { padding: 0 7px; }
  .library-hero, .library-section { width: calc(100% - 28px); }
  .library-hero { padding: 48px 0 38px; }
  .library-hero h1 { font-size: 34px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card.is-new, .project-card.is-new button { min-height: 160px; }
  .canvas-topbar { height: 54px; padding: 0 8px; }
  .canvas-viewport { top: 54px; }
  .canvas-brand.is-compact { display: none; }
  .project-title-label { width: 132px; }
  .topbar-leading { flex: 0 0 auto; }
  .topbar-tools { flex: 1; justify-content: flex-end; }
  #bring-front, #send-back, .tool-divider { display: none; }
  .canvas-toolbox { top: auto; left: 8px; bottom: 8px; display: flex; }
  .canvas-toolbox button { width: 48px; min-height: 44px; }
  .toolbox-divider { width: 1px; height: auto; }
  .zoom-controls { right: 8px; bottom: 8px; }
  .canvas-help { display: none; }
  .selection-hint { bottom: 60px; }
  .canvas-node.is-prompt { width: 320px; }
}

@media (max-width: 430px) {
  #bring-front, #send-back, #clear-canvas, #editor-toggle-theme { display: none; }
  .project-title-label { width: 112px; }
  .canvas-node.is-prompt { width: 300px; }
  .node-form-row.is-video { grid-template-columns: 1fr 1fr; }
  .node-form-row.is-video label:first-child { grid-column: 1 / -1; }
}

.canvas-search {
  width: min(210px, 18vw);
  height: 32px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--workbench-line);
  border-radius: 7px;
  background: rgba(255, 255, 255, .025);
}
.canvas-search input {
  min-width: 0;
  width: 100%;
  height: 100%;
  padding: 0 9px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--workbench-text);
  font-size: 10px;
}
.canvas-search input::placeholder { color: #6f716e; }
.canvas-editor .canvas-search button { width: 32px; min-width: 32px; padding: 0; font-size: 17px; }
.canvas-balance {
  height: 30px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0 9px;
  border: 1px solid rgba(216, 179, 106, .2);
  border-radius: 999px;
  background: rgba(216, 179, 106, .06);
  color: #d8b36a;
  font-size: 10px;
  white-space: nowrap;
}
.canvas-balance b { font-variant-numeric: tabular-nums; }

.canvas-editor[data-edges-hidden="true"] .edge-layer { opacity: 0; pointer-events: none; }
.canvas-editor[data-edges-hidden="true"] #toggle-edges { opacity: .48; }

.minimap-node {
  position: absolute;
  min-width: 3px;
  min-height: 2px;
  border-radius: 1px;
  background: rgba(228, 229, 226, .42);
}
.minimap-node.is-prompt { background: rgba(216, 179, 106, .68); }
.minimap-node.is-agent { background: rgba(78, 224, 210, .62); }
.minimap-node.is-stage { outline: 1px solid rgba(255, 255, 255, .28); background: rgba(255, 255, 255, .08); }
#minimap-edges path { fill: none; stroke: rgba(255, 255, 255, .18); stroke-width: .7; }

.alignment-guide {
  position: absolute;
  z-index: 70;
  pointer-events: none;
  border-color: rgba(108, 231, 218, .78);
  border-style: dashed;
}
.alignment-guide.is-vertical { top: 0; bottom: 0; border-width: 0 0 0 1px; }
.alignment-guide.is-horizontal { left: 0; right: 0; border-width: 1px 0 0; }

.canvas-node.is-empty-media .node-media { min-height: 190px; }
.node-upload-placeholder {
  width: 100%;
  min-height: 190px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  border: 1px dashed rgba(255, 255, 255, .2);
  border-radius: 7px;
  background: rgba(255, 255, 255, .025);
  color: var(--workbench-muted);
}
.node-upload-placeholder:hover { border-color: rgba(255, 255, 255, .38); background: rgba(255, 255, 255, .05); color: var(--workbench-text); }
.node-upload-placeholder b { font-size: 26px; font-weight: 400; }
.node-upload-placeholder span { font-size: 11px; }

.canvas-node.is-text .node-head > i { background: #b39ddb; }
.canvas-node.is-agent .node-head > i { background: var(--jade); }
.canvas-node.is-stage .node-head > i { background: #7f8db9; }
.text-node-editor { min-height: 118px !important; }
.agent-run, .stage-capture {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--text);
  font-size: 10px;
}
.agent-run { width: 100%; margin-top: 8px; border-color: rgba(78, 224, 210, .28); color: var(--jade); }
.agent-response { max-height: 180px; overflow: auto; margin-top: 9px; padding: 9px; border: 1px solid var(--line); border-radius: 6px; background: rgba(0, 0, 0, .14); }
.agent-response > span { display: block; margin-bottom: 4px; color: var(--jade); font-size: 9px; letter-spacing: .08em; }
.agent-response p { margin: 0; white-space: pre-wrap; color: var(--text); font-size: 11px; line-height: 1.65; }
.agent-response.is-empty { color: var(--faint); font-size: 10px; }
.agent-error { margin-top: 8px; color: var(--danger); font-size: 10px; }
.stage-capture { margin-left: auto; min-height: 24px; padding: 0 7px; }
.stage-preview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  padding: 6px;
  background: #090a0a;
}
.stage-preview > img, .stage-preview > video { width: 100%; height: 100%; min-height: 120px; object-fit: cover; border-radius: 4px; }
.stage-preview > span { grid-column: 1 / -1; place-self: center; color: var(--faint); font-size: 11px; }
.stage-audio { display: grid; place-items: center; min-height: 80px; padding: 10px; border: 1px solid var(--line); color: var(--muted); }

.canvas-viewport[data-zoom-level="far"] .canvas-node .node-body,
.canvas-viewport[data-zoom-level="far"] .canvas-node footer,
.canvas-viewport[data-zoom-level="far"] .canvas-node .node-delete,
.canvas-viewport[data-zoom-level="far"] .canvas-node .stage-capture { opacity: 0; pointer-events: none; }
.canvas-viewport[data-zoom-level="far"] .canvas-node { box-shadow: none; }
.canvas-viewport[data-zoom-level="mid"] .canvas-node footer { opacity: .55; }

.generator-reference-slots button { position: relative; padding: 0; color: var(--workbench-muted); }
.generator-reference-slots button > i {
  position: absolute;
  right: 1px;
  bottom: 1px;
  min-width: 13px;
  padding: 0 2px;
  border-radius: 3px;
  background: rgba(0, 0, 0, .75);
  color: #fff;
  font-size: 8px;
  font-style: normal;
  z-index: 2;
}
.generator-reference-slots > :is(span, div) { position: relative; overflow: visible; }
.generator-reference-slots > :is(span, div) > [data-focus-node] {
  width: 100%;
  height: 100%;
  overflow: hidden;
  padding: 0;
  border: 0;
  border-radius: inherit;
  background: transparent;
  color: inherit;
}
.generator-reference-slots .generator-reference-remove {
  position: absolute;
  top: -4px;
  right: -4px;
  z-index: 3;
  width: 16px;
  height: 16px;
  min-height: 0;
  padding: 0;
  border: 1px solid var(--workbench-line-strong);
  border-radius: 50%;
  background: var(--workbench-panel-solid);
  color: var(--workbench-muted);
  font-size: 11px;
  line-height: 1;
}
.generator-reference-slots .generator-reference-remove:hover,
.generator-reference-slots .generator-reference-remove:focus-visible { background: var(--danger); color: #fff; }
.generator-reference-slot.is-reference-over-limit .generator-reference-focus { filter: saturate(.3) brightness(.62); }
.generator-reference-limit-mark {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
  pointer-events: none;
  text-shadow: 0 1px 4px rgba(0, 0, 0, .85);
}
.generator-add-reference { display: grid; place-items: center; border-style: dashed !important; font-size: 18px; }
.canvas-generator.is-expanded {
  position: fixed;
  inset: 78px max(28px, 8vw) max(28px, 7vh);
  width: auto;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  transform: none;
  box-shadow: none;
}
.canvas-generator.is-expanded textarea { max-height: none; min-height: 260px; font-size: 15px; }

.canvas-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(3, 4, 4, .74);
  backdrop-filter: none;
}
.canvas-modal-card, .canvas-preview-card {
  width: min(760px, 96vw);
  max-height: min(760px, 90vh);
  overflow: auto;
  border: 1px solid var(--workbench-line-strong);
  border-radius: 14px;
  background: #1d1f1e;
  box-shadow: none;
  color: var(--workbench-text);
}
.canvas-modal-card > header, .canvas-preview-card > header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 20px; border-bottom: 1px solid var(--workbench-line); }
.canvas-modal-card h2 { margin: 2px 0 0; font-size: 20px; }
.canvas-modal-card header small { color: var(--jade); font-size: 9px; letter-spacing: .14em; }
.canvas-modal-card header button, .canvas-preview-card header button { width: 32px; height: 32px; border-radius: 7px; background: rgba(255, 255, 255, .04); color: var(--workbench-muted); }
.canvas-modal-card > p { margin: 0; padding: 14px 20px 0; color: var(--workbench-muted); font-size: 11px; }
.canvas-plugin-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; padding: 18px 20px 22px; }
.canvas-plugin-grid > button { display: flex; align-items: center; gap: 12px; min-height: 70px; padding: 12px; border: 1px solid var(--workbench-line); border-radius: 9px; background: rgba(255, 255, 255, .025); color: var(--workbench-text); text-align: left; }
.canvas-plugin-grid > button:hover { border-color: var(--workbench-line-strong); background: rgba(255, 255, 255, .05); }
.canvas-plugin-grid > button > b { width: 34px; color: var(--jade); text-align: center; }
.canvas-plugin-grid > button > span { display: grid; gap: 3px; }
.canvas-plugin-grid small { color: var(--workbench-muted); font-size: 9px; }
.canvas-preview-card { width: min(1100px, 96vw); overflow: hidden; }
.canvas-preview-card > img, .canvas-preview-card > video { width: 100%; max-height: calc(90vh - 62px); display: block; object-fit: contain; background: #090a0a; }
.canvas-preview-card > audio { width: calc(100% - 40px); margin: 34px 20px; }
.history-summary { display: flex; flex-wrap: wrap; gap: 8px; padding: 16px 20px 6px; }
.history-summary span { padding: 6px 9px; border-radius: 999px; background: rgba(255, 255, 255, .045); color: var(--workbench-muted); font-size: 10px; }
.history-result-list { display: grid; gap: 5px; padding: 12px 20px 22px; }
.history-result-list button { min-height: 38px; display: flex; align-items: center; gap: 10px; padding: 0 10px; border-radius: 6px; background: rgba(255, 255, 255, .03); color: var(--workbench-text); text-align: left; }
.history-result-list button:hover { background: rgba(255, 255, 255, .07); }
.history-result-list p { color: var(--workbench-muted); }

@media (max-width: 980px) {
  .canvas-search { display: none; }
  .canvas-editor #canvas-history { display: none; }
}
@media (max-width: 720px) {
  .canvas-balance { display: none; }
  .canvas-editor #canvas-chat { display: none; }
  .canvas-plugin-grid { grid-template-columns: 1fr; }
  .canvas-generator.is-expanded { inset: 62px 8px 8px; }
}

/* Dark creative workbench shell */
.canvas-editor {
  --workbench-bg: #141515;
  --workbench-panel: rgba(27, 28, 28, .92);
  --workbench-panel-solid: #1d1e1e;
  --workbench-hover: rgba(255, 255, 255, .075);
  --workbench-line: rgba(255, 255, 255, .1);
  --workbench-line-strong: rgba(255, 255, 255, .18);
  --workbench-text: #f1f1ef;
  --workbench-muted: #a0a19e;
  --workbench-accent: #a8ff5f;
  isolation: isolate;
  background: var(--workbench-bg);
}

.canvas-editor .ui-icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.canvas-editor .canvas-topbar {
  position: absolute;
  inset: 0 0 auto;
  z-index: 100;
  height: 60px;
  padding: 0 16px;
  border-color: var(--workbench-line);
  background: rgba(19, 20, 20, .9);
  box-shadow: none;
}

.canvas-editor .topbar-leading,
.canvas-editor .topbar-tools { gap: 6px; }

.canvas-editor .topbar-back {
  width: 32px;
  height: 32px;
  border-color: transparent;
  background: transparent;
  color: var(--workbench-muted);
  font-size: 27px;
  font-weight: 300;
}

.canvas-editor .topbar-back:hover {
  border-color: var(--workbench-line);
  background: var(--workbench-hover);
  color: var(--workbench-text);
}

.canvas-editor .canvas-brand.is-compact { gap: 8px; }
.canvas-editor .canvas-brand.is-compact b {
  width: 30px;
  height: 30px;
  border-color: var(--workbench-line);
  border-radius: 7px;
  background: rgba(255, 255, 255, .05);
  color: var(--workbench-text);
  font-size: 15px;
}
.canvas-editor .canvas-brand.is-compact span {
  color: var(--workbench-text);
  font-size: 12px;
  letter-spacing: .06em;
}

.canvas-editor .project-title-label { width: min(240px, 22vw); }
.canvas-editor .project-title-label input {
  height: 32px;
  color: var(--workbench-text);
  font-size: 12px;
}
.canvas-editor .project-title-label input:hover,
.canvas-editor .project-title-label input:focus {
  border-color: var(--workbench-line);
  background: var(--workbench-hover);
}
.canvas-editor .save-status { color: #777976; }
.canvas-editor .save-status.is-saving { color: #d8b36a; }
.canvas-editor .save-status.is-error { color: #ff8a8e; }

.canvas-editor .topbar-tools button,
.canvas-editor .retry-save,
.canvas-editor #editor-toggle-theme {
  height: 32px;
  border-color: transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--workbench-muted);
}
.canvas-editor .topbar-tools button:hover:not(:disabled),
.canvas-editor .retry-save:hover,
.canvas-editor #editor-toggle-theme:hover {
  border-color: var(--workbench-line);
  background: var(--workbench-hover);
  color: var(--workbench-text);
}

.canvas-editor .canvas-viewport {
  inset: 60px 0 0;
  background-color: var(--workbench-bg);
  background-image: radial-gradient(circle, rgba(255, 255, 255, .115) .7px, transparent .9px);
  background-size: 22px 22px;
}
.canvas-editor .canvas-viewport[data-canvas-mode="select"] { cursor: default; }
.canvas-editor .canvas-viewport[data-canvas-mode="hand"] { cursor: grab; }
.canvas-editor .canvas-viewport[data-canvas-mode="hand"].is-panning { cursor: grabbing; }

.canvas-editor .canvas-toolbox {
  left: 16px;
  top: 50%;
  bottom: auto;
  z-index: 85;
  display: grid;
  gap: 3px;
  padding: 5px;
  border-color: var(--workbench-line);
  border-radius: 11px;
  background: var(--workbench-panel);
  box-shadow: none;
  transform: translateY(-50%);
}
.canvas-editor .canvas-toolbox button {
  width: 48px;
  min-height: 48px;
  gap: 3px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--workbench-muted);
}
.canvas-editor .canvas-toolbox button:hover:not(:disabled) {
  border-color: var(--workbench-line);
  background: var(--workbench-hover);
  color: var(--workbench-text);
}
.canvas-editor .canvas-toolbox button span { font-size: 9px; }
.canvas-editor .canvas-toolbox .toolbox-danger:hover:not(:disabled) { color: var(--danger); }
.canvas-editor .toolbox-divider { background: var(--workbench-line); }

.canvas-bottom-bar {
  position: absolute;
  left: 50%;
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 90;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--workbench-line);
  border-radius: 11px;
  background: var(--workbench-panel);
  box-shadow: none;
  transform: translateX(-50%);
}
.canvas-mode-controls,
.canvas-bottom-bar .zoom-controls,
.history-controls { display: flex; align-items: center; gap: 2px; }
.canvas-bottom-bar .zoom-controls {
  position: static;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.canvas-bottom-bar button {
  min-width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  padding: 0 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--workbench-muted);
  font-size: 13px;
}
.canvas-bottom-bar .zoom-controls button { border: 0; }
.canvas-bottom-bar button:hover:not(:disabled),
.canvas-bottom-bar button.is-active {
  background: var(--workbench-hover);
  color: var(--workbench-text);
}
.canvas-bottom-bar button.is-active {
  box-shadow: inset 0 0 0 1px var(--workbench-line);
}
.canvas-bottom-bar button:disabled { opacity: .32; cursor: default; }
.canvas-bottom-bar #zoom-reset { min-width: 56px; color: var(--workbench-text); font-size: 10px; }
.bottom-divider { width: 1px; height: 22px; flex: 0 0 auto; margin: 0 2px; background: var(--workbench-line); }

.canvas-minimap {
  position: absolute;
  left: 16px;
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 75;
  width: 198px;
  overflow: hidden;
  border: 1px solid var(--workbench-line);
  border-radius: 10px;
  background: var(--workbench-panel);
  box-shadow: none;
  color: var(--workbench-muted);
}
.canvas-minimap > header {
  height: 31px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 0 10px;
  border-bottom: 1px solid var(--workbench-line);
  font-size: 9px;
  letter-spacing: .08em;
}
.canvas-minimap > header button {
  width: 24px;
  height: 24px;
  border-radius: 5px;
  background: transparent;
  color: var(--workbench-muted);
}
.canvas-minimap > header button:hover { background: var(--workbench-hover); color: var(--workbench-text); }
.minimap-content { position: relative; height: 112px; overflow: hidden; background: rgba(0, 0, 0, .22); }
.minimap-content > svg,
#minimap-nodes { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.minimap-viewport {
  position: absolute;
  min-width: 16px;
  min-height: 12px;
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: 2px;
  background: rgba(255, 255, 255, .045);
  pointer-events: none;
}
.minimap-empty {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: #686966;
  font-size: 9px;
  pointer-events: none;
}
.canvas-minimap.is-collapsed .minimap-content { display: none; }

.canvas-context-menu {
  position: absolute;
  z-index: 180;
  width: 218px;
  max-height: min(520px, calc(100vh - 28px));
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--workbench-line-strong);
  border-radius: 10px;
  background: rgba(29, 30, 30, .98);
  box-shadow: none;
  color: var(--workbench-text);
}
.canvas-context-menu button {
  width: 100%;
  min-height: 36px;
  display: grid;
  grid-template-columns: 25px 1fr;
  align-items: center;
  padding: 0 9px;
  border-radius: 6px;
  background: transparent;
  color: var(--workbench-muted);
  font-size: 11px;
  text-align: left;
}
.canvas-context-menu button > span { color: #d6d7d4; font-size: 13px; text-align: center; }
.canvas-context-menu button:hover { background: var(--workbench-hover); color: var(--workbench-text); }
.context-divider { height: 1px; display: block; margin: 5px 4px; background: var(--workbench-line); }

.canvas-generator {
  position: absolute;
  left: 50%;
  bottom: max(74px, calc(env(safe-area-inset-bottom) + 58px));
  z-index: 150;
  width: min(920px, calc(100vw - 176px));
  padding: 8px;
  border: 1px solid var(--workbench-line-strong);
  border-radius: 12px;
  background: rgba(30, 31, 31, .97);
  box-shadow: none;
  color: var(--workbench-text);
  transform: translateX(-50%);
}
.canvas-generator > header { min-height: 38px; display: flex; align-items: flex-start; gap: 6px; }
.generator-reference-slots {
  min-width: 0;
  max-width: 560px;
  max-height: 74px;
  display: flex;
  overflow-x: hidden;
  overflow-y: auto;
  flex: 1;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 6px;
  scrollbar-width: none;
}
.generator-reference-slots::-webkit-scrollbar { display: none; }
.generator-reference-slots > * {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  overflow: hidden;
  border: 1px solid var(--workbench-line);
  border-radius: 6px;
  background: rgba(0, 0, 0, .2);
}
.generator-reference-slots img,
.generator-reference-slots video { width: 100%; height: 100%; object-fit: cover; }
.canvas-generator > header button {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: transparent;
  color: var(--workbench-muted);
}
.canvas-generator > header button:hover { background: var(--workbench-hover); color: var(--workbench-text); }
.canvas-generator > header #generator-clear { width: auto; padding: 0 8px; font-size: 11px; }
.canvas-generator textarea {
  width: 100%;
  min-height: 70px;
  max-height: 180px;
  display: block;
  resize: vertical;
  padding: 10px 11px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--workbench-text);
  line-height: 1.55;
}
.canvas-generator textarea::placeholder { color: #777976; }
.generator-guidance {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 4px 10px 6px;
  color: var(--workbench-faint);
  font-size: 9px;
  line-height: 1.45;
}
.generator-guidance > span { min-width: 0; }
.generator-guidance [data-generator-guidance="references"] { flex: 1; }
.generator-guidance [data-generator-guidance="prompt"] { flex: 0 0 auto; white-space: nowrap; }
.generator-guidance .is-over-limit { color: var(--danger); font-weight: 700; }
.generator-mention-menu {
  position: absolute;
  top: 48px;
  right: 8px;
  bottom: auto;
  left: 8px;
  z-index: 3;
  max-height: min(240px, 42vh);
  overflow-y: auto;
  padding: 5px;
  border: 1px solid var(--workbench-line-strong);
  border-radius: 9px;
  background: var(--workbench-panel-solid);
  box-shadow: none;
}
.generator-mention-option {
  width: 100%;
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 7px;
  border-radius: 6px;
  background: transparent;
  color: var(--workbench-muted);
  text-align: left;
}
.generator-mention-option:hover,
.generator-mention-option.is-active,
.generator-mention-option[aria-selected="true"] { background: var(--workbench-hover); color: var(--workbench-text); }
.generator-mention-option img,
.generator-mention-option video {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  border-radius: 5px;
  object-fit: cover;
}
.generator-mention-option > span { min-width: 0; overflow: hidden; flex: 1; text-overflow: ellipsis; white-space: nowrap; }
.generator-mention-option small { color: var(--workbench-faint); font-size: 9px; }
.generator-mention-empty { margin: 0; padding: 12px 8px; color: var(--workbench-faint); font-size: 11px; text-align: center; }
.canvas-generator > footer {
  min-height: 36px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding-top: 6px;
  border-top: 1px solid var(--workbench-line);
}
.generator-options { min-width: 0; display: flex; overflow: visible; flex: 1; flex-wrap: wrap; align-items: center; gap: 5px; scrollbar-width: none; }
.generator-options::-webkit-scrollbar { display: none; }
.generator-options > button,
.generator-options > select,
.generator-options > .generator-static-option {
  min-height: 30px;
  flex: 0 0 auto;
  padding: 0 8px;
  border: 1px solid var(--workbench-line);
  border-radius: 6px;
  background: rgba(255, 255, 255, .035);
  color: var(--workbench-muted);
  font-size: 10px;
}
.generator-options > .generator-static-option { display: inline-flex; align-items: center; }
.generator-cost { flex: 0 1 auto; min-width: 0; color: var(--workbench-muted); font-size: 9px; overflow-wrap: anywhere; }
.canvas-generator .generator-submit {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--workbench-accent);
  color: #151a12;
  font-size: 18px;
  font-weight: 800;
}
.canvas-generator .generator-submit:hover { filter: none; }
.canvas-generator .generator-submit:disabled { opacity: .45; cursor: wait; }

.node-media-toolbar {
  position: absolute;
  left: 50%;
  top: 74px;
  z-index: 155;
  display: flex;
  gap: 3px;
  padding: 4px;
  border: 1px solid var(--workbench-line-strong);
  border-radius: 9px;
  background: var(--workbench-panel);
  box-shadow: none;
  transform: translateX(-50%);
}
.node-media-toolbar button {
  min-height: 32px;
  padding: 0 10px;
  border-radius: 6px;
  background: transparent;
  color: var(--workbench-muted);
  font-size: 10px;
}
.node-media-toolbar button:hover { background: var(--workbench-hover); color: var(--workbench-text); }
.node-media-toolbar button[data-media-action="delete"]:hover { color: var(--danger); }

.canvas-editor .canvas-help,
.canvas-editor .selection-hint {
  bottom: 72px;
  border-color: var(--workbench-line);
  background: rgba(25, 26, 26, .88);
  color: #777976;
}
.canvas-editor .selection-hint { bottom: 122px; color: var(--workbench-accent); }

@media (max-width: 900px) {
  .canvas-editor .canvas-topbar { padding: 0 10px; }
  .canvas-editor .project-title-label { width: min(185px, 27vw); }
  .canvas-minimap { width: 170px; }
  .minimap-content { height: 96px; }
  .canvas-generator { width: min(760px, calc(100vw - 112px)); }
}

@media (max-width: 720px) {
  .canvas-editor .canvas-topbar { height: 54px; }
  .canvas-editor .canvas-viewport { inset: 54px 0 0; }
  .canvas-editor .canvas-toolbox { left: 8px; }
  .canvas-editor .canvas-toolbox button { width: 42px; min-height: 44px; }
  .canvas-editor .canvas-toolbox button span { display: none; }
  .canvas-minimap { display: none; }
  .canvas-generator { width: calc(100vw - 112px); }
  .canvas-generator > footer { flex-wrap: wrap; }
  .generator-options { flex: 1 0 100%; }
  .generator-cost { margin-left: auto; }
  .canvas-editor .canvas-help { display: none; }
}

@media (max-width: 540px) {
  .canvas-editor .project-title-label { width: min(142px, 38vw); }
  .canvas-editor .topbar-tools { flex: 1; justify-content: flex-end; }
  .canvas-editor #bring-front,
  .canvas-editor #send-back { display: none; }
  .canvas-bottom-bar {
    right: 8px;
    bottom: max(8px, env(safe-area-inset-bottom));
    left: 8px;
    justify-content: center;
    transform: none;
  }
  .canvas-bottom-bar button { min-width: 32px; padding: 0 6px; }
  .canvas-bottom-bar #zoom-reset { min-width: 48px; }
  .canvas-generator {
    right: 8px;
    bottom: max(64px, calc(env(safe-area-inset-bottom) + 54px));
    left: 8px;
    width: auto;
    max-height: calc(100dvh - 130px);
    overflow-y: auto;
    transform: none;
  }
  .node-media-toolbar { max-width: calc(100vw - 16px); overflow-x: auto; }
  .canvas-editor .selection-hint { bottom: 112px; }
}

@media (max-width: 430px) {
  .canvas-editor .canvas-topbar { padding: 0 7px; }
  .canvas-editor .project-title-label { width: min(128px, 42vw); }
  .canvas-editor #clear-canvas,
  .canvas-editor #editor-toggle-theme { display: none; }
  .canvas-editor .canvas-toolbox { left: 6px; }
  .canvas-editor .canvas-toolbox button { width: 38px; min-height: 40px; }
  .canvas-bottom-bar { gap: 2px; padding: 3px; }
  .canvas-bottom-bar button { min-width: 30px; height: 32px; padding: 0 5px; }
  .canvas-bottom-bar #zoom-reset { min-width: 44px; }
  .bottom-divider { margin: 0; }
  .canvas-context-menu { width: min(218px, calc(100vw - 16px)); }
  .canvas-generator > footer { gap: 5px; }
  .generator-guidance { align-items: flex-start; flex-direction: column; gap: 2px; }
}

/* Reference canvas parity: compact targets, persistent curves and true mono themes. */
.canvas-editor {
  --workbench-bg: #0b0c0c;
  --workbench-panel: #1b1c1c;
  --workbench-panel-solid: #1c1d1d;
  --workbench-surface: #202121;
  --workbench-soft: #282929;
  --workbench-hover: rgba(255, 255, 255, .075);
  --workbench-line: rgba(255, 255, 255, .11);
  --workbench-line-strong: rgba(255, 255, 255, .24);
  --workbench-text: #f2f2ef;
  --workbench-muted: #9b9d99;
  --workbench-faint: #737571;
  --workbench-accent: #f4f4f0;
  --workbench-inverse: #151615;
  --workbench-grid: rgba(255, 255, 255, .12);
  --workbench-shadow: none;
  --workbench-overlay: rgba(0, 0, 0, .72);
  --canvas-edge: rgba(219, 222, 218, .78);
  --canvas-edge-active: #fff;
  --bg: var(--workbench-bg);
  --bg-soft: var(--workbench-surface);
  --panel: var(--workbench-panel-solid);
  --panel-soft: var(--workbench-soft);
  --panel-hover: var(--workbench-hover);
  --line: var(--workbench-line);
  --line-strong: var(--workbench-line-strong);
  --text: var(--workbench-text);
  --muted: var(--workbench-muted);
  --faint: var(--workbench-faint);
  --jade: var(--workbench-accent);
  --jade-dark: var(--workbench-soft);
  --gold: #b9bbb6;
  --success: #d8dad5;
  --shadow: var(--workbench-shadow);
}

html[data-theme="day"] .canvas-editor {
  --workbench-bg: #f2f3f1;
  --workbench-panel: #fff;
  --workbench-panel-solid: #fff;
  --workbench-surface: #f7f8f6;
  --workbench-soft: #eceeeb;
  --workbench-hover: rgba(18, 22, 19, .065);
  --workbench-line: rgba(19, 23, 20, .21);
  --workbench-line-strong: rgba(19, 23, 20, .44);
  --workbench-text: #171a18;
  --workbench-muted: #4e544f;
  --workbench-faint: #686e69;
  --workbench-accent: #171a18;
  --workbench-inverse: #fff;
  --workbench-grid: rgba(20, 25, 22, .17);
  --workbench-shadow: none;
  --workbench-overlay: rgba(226, 229, 226, .76);
  --canvas-edge: rgba(31, 35, 32, .76);
  --canvas-edge-active: #111411;
  --gold: #60645f;
  --success: #252a26;
}

.canvas-editor .canvas-topbar { background: var(--workbench-panel-solid); box-shadow: none; }
.canvas-editor .canvas-brand.is-compact b,
.canvas-editor .canvas-search,
.generator-options > button,
.generator-options > select,
.generator-options > .generator-static-option { background: color-mix(in srgb, var(--workbench-text) 4%, transparent); }
.canvas-editor .canvas-viewport {
  background-color: var(--workbench-bg);
  background-image: radial-gradient(circle, var(--workbench-grid) .7px, transparent .9px);
}
.canvas-editor .canvas-viewport.is-file-dragover {
  outline: 2px dashed var(--canvas-edge-active);
  outline-offset: -9px;
  background-color: var(--workbench-soft);
  cursor: copy;
}
.canvas-editor .canvas-toolbox,
.canvas-bottom-bar,
.canvas-minimap,
.node-media-toolbar { box-shadow: none; }
.minimap-content { background: color-mix(in srgb, var(--workbench-text) 7%, transparent); }
.minimap-viewport { border-color: color-mix(in srgb, var(--workbench-text) 58%, transparent); background: color-mix(in srgb, var(--workbench-text) 5%, transparent); }
.minimap-empty,
.canvas-editor .save-status,
.canvas-generator textarea::placeholder,
.canvas-editor .canvas-help { color: var(--workbench-faint); }
.canvas-context-menu,
.canvas-generator { background: var(--workbench-panel-solid); box-shadow: none; }
.canvas-context-menu button > span { color: var(--workbench-text); }
.generator-reference-slots > * { background: color-mix(in srgb, var(--workbench-text) 7%, transparent); }
.canvas-generator .generator-submit { background: var(--workbench-accent); color: var(--workbench-inverse); }
.canvas-editor .selection-hint { color: var(--workbench-text); }
.canvas-generator.is-expanded { box-shadow: none; outline: 100vmax solid var(--workbench-overlay); }

.canvas-edge {
  stroke: var(--canvas-edge);
  stroke-width: 2.2;
  opacity: 1;
  filter: none;
  transition: stroke .14s ease, opacity .14s ease, stroke-width .14s ease;
}
.canvas-edge.is-flow { stroke: var(--canvas-edge); stroke-dasharray: 8 5; }
.canvas-edge.is-generation { stroke: var(--canvas-edge-active); stroke-width: 2.6; stroke-dasharray: none; }
.canvas-edge.is-selected { stroke: var(--canvas-edge-active); stroke-width: 2.7; }
.canvas-edge-preview { stroke: var(--canvas-edge-active); stroke-width: 2; stroke-dasharray: 7 5; animation: canvas-line-flow .65s linear infinite; }
.canvas-editor.is-connecting .canvas-edge { opacity: .48; }
.canvas-editor.is-connecting .node-port.is-input { transform: translateY(-50%) scale(1.18); box-shadow: 0 0 0 2px var(--workbench-line-strong); }
.canvas-editor[data-edges-hidden="true"] .edge-layer { opacity: 0; }
@keyframes canvas-line-flow { to { stroke-dashoffset: -12; } }

.canvas-node { box-shadow: none; color: var(--workbench-text); }
.canvas-node.is-prompt {
  min-height: 0;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.canvas-node.is-prompt.is-selected { border-color: transparent; box-shadow: none; }
.canvas-node.is-prompt .node-head {
  min-height: 34px;
  padding: 0 3px 0 5px;
  border: 0;
}
.canvas-node.is-prompt .node-head > i { width: 5px; height: 5px; background: var(--workbench-text); box-shadow: none; }
.canvas-node.is-prompt .node-head strong { font-size: 10px; font-weight: 650; }
.canvas-node.is-prompt .node-delete { opacity: .45; }
.canvas-node.is-prompt:hover .node-delete,
.canvas-node.is-prompt.is-selected .node-delete { opacity: 1; }
.prompt-target {
  width: 100%;
  min-height: 170px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 7px;
  padding: 18px;
  border: 1px solid var(--workbench-line);
  border-radius: 10px;
  background: var(--workbench-surface);
  color: var(--workbench-muted);
  box-shadow: none;
  text-align: center;
}
.prompt-target:hover { border-color: var(--workbench-line-strong); background: var(--workbench-soft); color: var(--workbench-text); }
.canvas-node.is-prompt.is-selected .prompt-target { border-color: var(--canvas-edge-active); box-shadow: none; }
.prompt-target:disabled { opacity: .62; cursor: wait; }
.prompt-target-icon { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--workbench-line-strong); border-radius: 50%; color: var(--workbench-text); font-size: 16px; }
.prompt-target b { color: var(--workbench-text); font-size: 11px; font-weight: 650; }
.prompt-target small { color: var(--workbench-faint); font-size: 9px; }

.canvas-node.is-material,
.canvas-node.is-result {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}
.canvas-node.is-material .node-head,
.canvas-node.is-result .node-head { min-height: 34px; padding-inline: 5px 3px; border: 0; }
.canvas-node.is-material .node-head > i,
.canvas-node.is-result .node-head > i { background: var(--workbench-text); box-shadow: none; }
.canvas-node.is-material .node-media,
.canvas-node.is-result .node-media { border: 1px solid var(--workbench-line); border-radius: 9px; background: var(--workbench-surface); }
.canvas-node.is-material.is-selected .node-media,
.canvas-node.is-result.is-selected .node-media { border-color: var(--canvas-edge-active); box-shadow: 0 0 0 1px var(--canvas-edge-active); }
.canvas-node.is-material .node-result-meta,
.canvas-node.is-result .node-result-meta { min-height: 30px; padding: 6px 5px; border: 0; opacity: .58; }
.canvas-node.is-material:hover .node-result-meta,
.canvas-node.is-result:hover .node-result-meta,
.canvas-node.is-selected .node-result-meta { opacity: 1; }
.node-media { background: var(--workbench-surface); }
.node-port { border-color: var(--workbench-panel-solid); background: var(--canvas-edge-active); box-shadow: 0 0 0 1px var(--workbench-line-strong); }
.node-port.is-generation,
.node-port.is-result-input { background: var(--canvas-edge-active); box-shadow: 0 0 0 1px var(--workbench-line-strong); }
html[data-theme="day"] .canvas-editor .node-delete { color: var(--workbench-muted); opacity: .82; }
html[data-theme="day"] .canvas-editor .canvas-node:hover .node-delete,
html[data-theme="day"] .canvas-editor .canvas-node.is-selected .node-delete { opacity: 1; }
html[data-theme="day"] .canvas-editor .node-port,
html[data-theme="day"] .canvas-editor .node-port.is-generation,
html[data-theme="day"] .canvas-editor .node-port.is-result-input { box-shadow: 0 0 0 2px var(--canvas-edge); }
.selection-marquee { border: 1px dashed var(--canvas-edge-active); background: color-mix(in srgb, var(--canvas-edge-active) 6%, transparent); }
.alignment-guide { border-color: color-mix(in srgb, var(--canvas-edge-active) 75%, transparent); border-style: dashed; }

@media (max-width: 720px) {
  .canvas-node.is-prompt { width: 220px; }
}

@media (max-width: 430px) {
  .canvas-node.is-prompt { width: 210px; }
  .prompt-target { min-height: 154px; }
}