/* ── components.css — Shared interactive component styles ── */

/* ── Task Examples Browser ── */
.task-browser { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin: 1.5rem 0; }
.task-browser-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); overflow-x: auto; scrollbar-width: none; }
.task-browser-tabs::-webkit-scrollbar { display: none; }
.task-tab { padding: 0.6rem 1rem; font-size: 0.75rem; font-weight: 600; font-family: var(--mono); color: var(--text-muted); background: none; border: none; border-bottom: 2px solid transparent; cursor: pointer; white-space: nowrap; transition: all 0.15s; }
.task-tab:hover { color: var(--text-secondary); background: rgba(255,255,255,0.03); }
.task-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.task-detail { display: none; animation: taskFadeIn 0.3s ease; }
.task-detail.active { display: block; }
@keyframes taskFadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
.task-detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1px; background: var(--border); }
.task-detail-left, .task-detail-right { background: var(--surface); padding: 1rem; min-width: 0; }
.task-meta-row { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; flex-wrap: wrap; }
.task-diff-badge { font-size: 0.65rem; font-weight: 700; padding: 0.15rem 0.5rem; border-radius: 10px; text-transform: uppercase; letter-spacing: 0.05em; }
.task-diff-badge.easy { background: rgba(10,207,131,0.15); color: #0ACF83; }
.task-diff-badge.medium { background: rgba(245,166,35,0.15); color: #F5A623; }
.task-diff-badge.hard { background: rgba(242,78,30,0.15); color: #F24E1E; }
.task-cat-label { font-size: 0.7rem; color: var(--text-muted); font-weight: 500; }
.task-viewport-label { font-size: 0.65rem; color: var(--text-muted); font-family: var(--mono); margin-left: auto; }
.task-brief { font-size: 0.8rem; line-height: 1.6; color: var(--text-secondary); margin-bottom: 1rem; }
.task-section-label { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 0.4rem; }
.task-elements { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-bottom: 1rem; }
.task-elem-chip { font-size: 0.65rem; font-family: var(--mono); padding: 0.15rem 0.45rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: 3px; color: var(--text-secondary); }
.task-tokens { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.task-token { display: flex; align-items: center; gap: 0.3rem; font-size: 0.65rem; font-family: var(--mono); color: var(--text-muted); }
.task-token-swatch { width: 14px; height: 14px; border-radius: 3px; border: 1px solid rgba(255,255,255,0.1); flex-shrink: 0; }
.task-golden-wrap { margin-bottom: 1rem; }
.task-golden-img { width: 100%; max-height: 400px; object-fit: contain; border-radius: 4px; border: 1px solid var(--border); background: #000; }
.task-tree-wrap { max-height: 300px; overflow-y: auto; font-family: var(--mono); font-size: 0.7rem; line-height: 1.5; }
.task-tree-wrap::-webkit-scrollbar { width: 4px; }
.task-tree-wrap::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.tree-node { padding: 0.1rem 0.2rem; border-radius: 2px; cursor: pointer; white-space: nowrap; }
.tree-node:hover { background: rgba(255,255,255,0.04); }
.tree-toggle { display: inline-block; width: 1em; text-align: center; color: var(--text-muted); font-size: 0.6rem; }
.tree-type { color: var(--warning); font-size: 0.6rem; opacity: 0.6; margin-right: 0.15rem; }
.tree-name { color: var(--text); }
.tree-chars { color: var(--text-muted); font-style: italic; margin-left: 0.3rem; }
.tree-children { overflow: hidden; }
.tree-children.collapsed { display: none; }

/* ── Category Grid ── */
.cat-grid-stats { display: flex; gap: 1.5rem; margin-bottom: 1rem; }
.cat-grid-stat { font-size: 0.8rem; color: var(--text-secondary); }
.cat-grid-stat strong { color: var(--text); }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.75rem; margin: 1.5rem 0; }
.cat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 0.85rem; cursor: pointer; transition: all 0.2s; }
.cat-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.cat-card.expanded { border-color: var(--accent); background: var(--surface-2); }
.cat-card-header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.cat-card-icon { font-size: 1.1rem; }
.cat-card-name { font-size: 0.8rem; font-weight: 600; color: var(--text); }
.cat-card-count { font-size: 0.65rem; color: var(--text-muted); margin-left: auto; font-family: var(--mono); }
.cat-dot-grid { display: flex; gap: 4px; flex-wrap: wrap; }
.cat-dot { width: 8px; height: 8px; border-radius: 50%; }
.cat-dot.easy { background: #0ACF83; }
.cat-dot.medium { background: #F5A623; }
.cat-dot.hard { background: #F24E1E; }
.cat-expanded-panel { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; margin: 0.5rem 0 0.75rem; grid-column: 1 / -1; overflow: hidden; animation: taskFadeIn 0.25s ease; }
.cat-task-row { display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem 0.85rem; border-bottom: 1px solid var(--border); font-size: 0.75rem; cursor: pointer; transition: background 0.15s; }
.cat-task-row:last-child { border-bottom: none; }
.cat-task-row:hover { background: rgba(255,255,255,0.03); }
.cat-task-id { font-family: var(--mono); color: var(--text); font-weight: 500; min-width: 70px; }
.cat-task-elems { color: var(--text-muted); font-family: var(--mono); font-size: 0.7rem; }
.cat-task-nodes { color: var(--text-muted); font-family: var(--mono); font-size: 0.7rem; }
.cat-task-preview { margin-left: auto; color: var(--accent); font-size: 0.7rem; opacity: 0; transition: opacity 0.15s; }
.cat-task-row:hover .cat-task-preview { opacity: 1; }

/* ── Difficulty Visualization ── */
.diff-viz { margin: 1.5rem 0; }
.diff-filters { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.diff-filter-btn { padding: 0.35rem 0.8rem; font-size: 0.72rem; font-weight: 600; font-family: var(--font); border-radius: 20px; border: 1.5px solid var(--border); background: none; color: var(--text-muted); cursor: pointer; transition: all 0.15s; }
.diff-filter-btn:hover { border-color: var(--text-secondary); color: var(--text-secondary); }
.diff-filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.diff-filter-btn .filter-count { font-family: var(--mono); margin-left: 0.25rem; opacity: 0.7; }
.diff-waffle { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; overflow-x: auto; }
.diff-waffle-row { display: flex; align-items: center; gap: 0; margin-bottom: 4px; }
.diff-waffle-label { width: 100px; flex-shrink: 0; font-size: 0.65rem; font-weight: 500; color: var(--text-muted); text-align: right; padding-right: 0.75rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.diff-waffle-dots { display: flex; gap: 4px; flex-wrap: wrap; }
.diff-dot { width: 18px; height: 18px; border-radius: 4px; cursor: pointer; transition: all 0.2s; position: relative; }
.diff-dot.easy { background: #0ACF83; }
.diff-dot.medium { background: #F5A623; }
.diff-dot.hard { background: #F24E1E; }
.diff-dot:hover { transform: scale(1.3); z-index: 2; box-shadow: 0 0 8px rgba(255,255,255,0.2); }
.diff-dot.dimmed { opacity: 0.12; transform: scale(1); }
.diff-dot.dimmed:hover { opacity: 0.4; transform: scale(1.1); }
.diff-legend { display: flex; gap: 1.5rem; margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--border); }
.diff-legend-item { display: flex; align-items: center; gap: 0.35rem; font-size: 0.72rem; color: var(--text-secondary); }
.diff-legend-dot { width: 10px; height: 10px; border-radius: 3px; }
.diff-legend-dot.easy { background: #0ACF83; }
.diff-legend-dot.medium { background: #F5A623; }
.diff-legend-dot.hard { background: #F24E1E; }

/* ── Golden Lightbox ── */
.golden-lightbox { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.85); z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 2rem; opacity: 0; pointer-events: none; transition: opacity 0.2s; }
.golden-lightbox.active { opacity: 1; pointer-events: auto; }
.golden-lightbox-inner { max-width: 400px; width: 100%; text-align: center; }
.golden-lightbox-img { max-width: 100%; max-height: 70vh; border-radius: 8px; border: 1px solid var(--border); }
.golden-lightbox-caption { margin-top: 0.75rem; font-size: 0.8rem; color: var(--text-secondary); }
.golden-lightbox-close { position: absolute; top: 1rem; right: 1.5rem; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; padding: 0.5rem; opacity: 0.7; }
.golden-lightbox-close:hover { opacity: 1; }

/* ── Tooltip ── */
.diff-tooltip { position: fixed; background: #1a1a3e; border: 1px solid var(--border); border-radius: 6px; padding: 0.5rem 0.75rem; font-size: 0.72rem; color: var(--text); pointer-events: none; z-index: 500; line-height: 1.5; display: none; max-width: 220px; }
.diff-tooltip-id { font-family: var(--mono); font-weight: 600; }

@media (max-width: 600px) {
  .task-detail-layout { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-waffle-label { width: 60px; font-size: 0.55rem; }
  .diff-dot { width: 14px; height: 14px; }
  .diff-filters { gap: 0.35rem; }
  .diff-filter-btn { padding: 0.25rem 0.6rem; font-size: 0.65rem; }
}

/* ── Layer Nav (pill-style) ── */
.layer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 2rem 0;
}
.layer-nav-btn {
  padding: 0.45rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
}
.layer-nav-btn:hover { border-color: var(--text-secondary); color: var(--text-secondary); }
.layer-nav-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.layer-section { display: none; }
.layer-section.active { display: block; }

/* ── L1 Matcher ── */
.l1-matcher { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.l1-task-row { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }
.l1-task-row label { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.l1-task-row select { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 0.3rem 0.5rem; font-family: var(--font); font-size: 0.8rem; cursor: pointer; }
.l1-task-row select:focus { outline: none; border-color: var(--accent); }
.l1-columns { display: grid; grid-template-columns: 200px 1fr 280px; min-height: 300px; position: relative; }
.l1-left { border-right: 1px solid var(--border); padding: 0.75rem; overflow-y: auto; max-height: 400px; }
.l1-left-label, .l1-right-label { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 0.5rem; }
.l1-elem-item { display: flex; align-items: center; margin-bottom: 0.25rem; position: relative; }
.l1-elem-input { font-family: var(--mono); font-size: 0.75rem; background: var(--surface-2); color: var(--text); border: 1px solid transparent; border-radius: 3px; padding: 0.3rem 0.4rem; width: 100%; transition: border-color 0.15s; }
.l1-elem-input:focus { outline: none; border-color: var(--accent); }
.l1-elem-input.matched { border-left: 3px solid var(--success); }
.l1-elem-input.unmatched { border-left: 3px solid var(--danger); }
.l1-center { position: relative; overflow: hidden; }
.l1-center svg { width: 100%; height: 100%; position: absolute; top: 0; left: 0; }
.l1-right { border-left: 1px solid var(--border); padding: 0.75rem; overflow-y: auto; max-height: 400px; font-family: var(--mono); font-size: 0.72rem; line-height: 1.55; }
.l1-tree-row { padding: 0.12rem 0.2rem; border-radius: 2px; white-space: nowrap; cursor: default; }
.l1-tree-row.match-highlight { background: rgba(100, 255, 218, 0.1); }
.l1-tree-type { color: var(--warning); font-size: 0.62rem; opacity: 0.6; margin-right: 0.2rem; }
.l1-tree-name { color: var(--text); }
.l1-tree-chars { color: var(--text-muted); font-style: italic; }
.l1-levels-row { display: flex; flex-wrap: wrap; gap: 0.35rem; padding: 0.75rem 1rem; border-top: 1px solid var(--border); align-items: center; }
.l1-levels-label { font-size: 0.7rem; font-weight: 600; color: var(--text-muted); margin-right: 0.25rem; }
.l1-level-btn { font-size: 0.65rem; font-weight: 600; padding: 0.2rem 0.5rem; border-radius: 3px; border: 1px solid; cursor: pointer; background: transparent; font-family: var(--font); transition: opacity 0.15s; }
.l1-level-btn.active { opacity: 1; }
.l1-level-btn.inactive { opacity: 0.3; }
.level-1 { color: #0ACF83; border-color: #0ACF83; }
.level-2 { color: #1ABCFE; border-color: #1ABCFE; }
.level-3 { color: #A259FF; border-color: #A259FF; }
.level-4 { color: #F5A623; border-color: #F5A623; }
.level-5 { color: #FF7262; border-color: #FF7262; }
.level-6 { color: #F24E1E; border-color: #F24E1E; }
.level-7 { color: #FF4394; border-color: #FF4394; }
.l1-score-bar { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; border-top: 1px solid var(--border); background: var(--surface-2); }
.l1-score-label { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); }
.l1-score-track { flex: 1; height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; overflow: hidden; }
.l1-score-fill { height: 100%; border-radius: 4px; background: var(--success); transition: width 0.3s; }
.l1-score-value { font-family: var(--mono); font-size: 0.85rem; font-weight: 600; color: var(--success); min-width: 80px; text-align: right; }
.l1-tooltip { position: fixed; background: #1a1a3e; border: 1px solid var(--border); border-radius: 4px; padding: 0.5rem 0.75rem; font-size: 0.75rem; color: var(--text); pointer-events: none; z-index: 100; max-width: 300px; line-height: 1.4; display: none; }
.l1-tooltip .tt-level { font-weight: 600; margin-bottom: 0.2rem; }
.l1-tooltip .tt-reason { color: var(--text-secondary); font-size: 0.7rem; }

/* ── L3 Color Explorer ── */
.color-explorer { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.color-explorer-top { display: flex; gap: 0.75rem; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); align-items: center; }
.color-explorer-top label { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.color-explorer-top select { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 0.3rem 0.5rem; font-family: var(--font); font-size: 0.8rem; cursor: pointer; }
.color-explorer-top select:focus { outline: none; border-color: var(--accent); }
.color-canvas-wrap { display: flex; gap: 1px; background: var(--border); }
.color-canvas-main { flex: 1; position: relative; background: var(--surface); min-height: 360px; }
.color-canvas-main canvas { display: block; width: 100%; height: 360px; }
.color-sidebar { width: 220px; background: var(--surface); padding: 0.75rem; display: flex; flex-direction: column; gap: 0.75rem; }
.cs-section-label { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 0.25rem; }
.cs-slider-row { display: flex; align-items: center; gap: 0.5rem; }
.cs-slider-row label { font-size: 0.75rem; color: var(--text-secondary); min-width: 28px; }
.cs-slider-row input[type="range"] { flex: 1; accent-color: var(--accent); height: 4px; }
.cs-slider-row .cs-val { font-family: var(--mono); font-size: 0.75rem; color: var(--text); min-width: 28px; text-align: right; }
.cs-font-required { font-family: var(--mono); font-size: 0.8rem; color: var(--text); padding: 0.3rem 0.5rem; background: var(--surface-2); border-radius: 4px; }
.cs-token-list { display: flex; flex-direction: column; gap: 0.3rem; }
.cs-token-item { display: flex; align-items: center; gap: 0.4rem; font-size: 0.72rem; }
.cs-token-circle { width: 14px; height: 14px; border-radius: 50%; border: 1px solid var(--border); flex-shrink: 0; }
.cs-token-name { color: var(--text-muted); }
.cs-token-hex { font-family: var(--mono); color: var(--text-secondary); }
/* Analysis columns */
.cs-analysis-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border-top: 1px solid var(--border); }
.cs-color-col, .cs-font-col { background: var(--surface); padding: 0.75rem; }
.cs-col-label { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 0.5rem; }
.cs-color-list, .cs-font-list { display: flex; flex-direction: column; gap: 0.25rem; max-height: 240px; overflow-y: auto; }
.cs-col-score { margin-top: 0.5rem; font-family: var(--mono); font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); padding-top: 0.5rem; border-top: 1px solid var(--border); }
/* Color items */
.cs-color-item { display: flex; align-items: flex-start; gap: 0.4rem; padding: 0.3rem 0.4rem; border-radius: 4px; font-size: 0.72rem; }
.cs-color-item.fail { background: rgba(255,82,82,0.08); }
.cs-color-icon { font-size: 0.75rem; color: var(--success); flex-shrink: 0; line-height: 1.2; }
.cs-color-item.fail .cs-color-icon { color: var(--danger); }
.cs-color-swatch { width: 14px; height: 14px; border-radius: 3px; border: 1px solid var(--border); flex-shrink: 0; margin-top: 1px; }
.cs-color-info { flex: 1; min-width: 0; }
.cs-color-hex { font-family: var(--mono); color: var(--text); font-size: 0.72rem; }
.cs-color-status { font-size: 0.65rem; color: var(--text-muted); margin-top: 1px; }
/* Font items */
.cs-font-item { display: flex; align-items: center; gap: 0.4rem; padding: 0.2rem 0.4rem; border-radius: 4px; font-size: 0.72rem; }
.cs-font-item.fail { background: rgba(255,82,82,0.08); }
.cs-font-icon { font-size: 0.75rem; color: var(--success); flex-shrink: 0; }
.cs-font-item.fail .cs-font-icon { color: var(--danger); }
.cs-font-text { color: var(--text-secondary); }
/* Result section */
.cs-result { border-top: 1px solid var(--border); }
.cs-formula { font-family: var(--mono); font-size: 0.78rem; color: var(--text-secondary); padding: 0.5rem 1rem; border-bottom: 1px solid var(--border); background: var(--surface); }
.color-score-bar { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; background: var(--surface-2); }
.color-score-label { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); }
.color-score-track { flex: 1; height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; overflow: hidden; }
.color-score-fill { height: 100%; border-radius: 4px; background: var(--success); transition: width 0.3s; }
.color-score-value { font-family: var(--mono); font-size: 0.85rem; font-weight: 600; color: var(--success); min-width: 60px; text-align: right; }
.cs-task-info { font-size: 0.7rem; color: var(--text-muted); padding: 0.5rem 1rem; border-top: 1px solid var(--border); background: var(--surface); }

/* ── L4 Schema Diff ── */
.schema-diff { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.sd-top { display: flex; gap: 0.75rem; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); align-items: center; }
.sd-top label { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.sd-top select { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 0.3rem 0.5rem; font-family: var(--font); font-size: 0.8rem; cursor: pointer; }
.sd-top select:focus { outline: none; border-color: var(--accent); }
/* Two-column tree layout */
.sd-columns { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1px; background: var(--border); }
.sd-col { background: var(--surface); font-family: var(--mono); font-size: 0.72rem; line-height: 1.55; min-width: 0; }
.sd-col-header { display: flex; align-items: center; justify-content: space-between; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); }
.sd-col-label { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }
.sd-tree-scroll { max-height: 380px; overflow-y: auto; overflow-x: auto; padding: 0.4rem 0.5rem; }
/* Tree nodes */
.sd-tree-node { display: flex; align-items: center; gap: 0.2rem; padding: 0.1rem 0.15rem; border-radius: 2px; white-space: nowrap; cursor: default; transition: background 0.1s; }
.sd-tree-node.matched { background: rgba(100, 255, 218, 0.08); }
.sd-tree-node.missing { background: rgba(255, 82, 82, 0.12); }
.sd-tree-node.extra { background: rgba(66, 165, 245, 0.12); }
.sd-tree-node.vector-skip { opacity: 0.35; text-decoration: line-through; }
.sd-tree-node.hover-highlight { background: rgba(255, 255, 255, 0.1); outline: 1px solid rgba(255,255,255,0.2); }
.sd-tree-toggle { width: 14px; font-size: 0.6rem; color: var(--text-muted); cursor: pointer; text-align: center; flex-shrink: 0; user-select: none; }
.sd-tree-toggle:hover { color: var(--text); }
/* Type badges */
.sd-type-badge { font-size: 0.55rem; font-weight: 700; padding: 0.05rem 0.3rem; border-radius: 3px; text-transform: uppercase; letter-spacing: 0.03em; flex-shrink: 0; }
.sd-type-badge.type-FRAME { background: rgba(162,89,255,0.2); color: #A259FF; }
.sd-type-badge.type-TEXT { background: rgba(26,188,254,0.2); color: #1ABCFE; }
.sd-type-badge.type-RECTANGLE { background: rgba(10,207,131,0.2); color: #0ACF83; }
.sd-type-badge.type-ELLIPSE { background: rgba(245,166,35,0.2); color: #F5A623; }
.sd-type-badge.type-VECTOR { background: rgba(255,255,255,0.08); color: var(--text-muted); }
.sd-type-badge.type-GROUP { background: rgba(242,78,30,0.15); color: #F24E1E; }
.sd-type-badge.type-COMPONENT { background: rgba(10,207,131,0.15); color: #0ACF83; }
.sd-type-badge.type-INSTANCE { background: rgba(162,89,255,0.15); color: #A259FF; }
.sd-node-name { color: var(--text); font-size: 0.7rem; }
.sd-node-name.missing { color: var(--danger); }
.sd-node-name.extra { color: #1ABCFE; }
.sd-tuple-label { font-size: 0.55rem; color: var(--text-muted); opacity: 0.5; margin-left: 0.15rem; }
.sd-remove-x { margin-left: auto; color: var(--danger); opacity: 0; font-size: 0.65rem; cursor: pointer; padding: 0 0.2rem; transition: opacity 0.1s; flex-shrink: 0; }
.sd-tree-node:hover .sd-remove-x { opacity: 0.7; }
.sd-remove-x:hover { opacity: 1 !important; }
.sd-tree-children { padding-left: 0; }
.sd-tree-children.collapsed { display: none; }
.sd-add-btn { font-size: 0.65rem; font-weight: 600; color: #1ABCFE; background: rgba(66,165,245,0.1); border: 1px solid rgba(66,165,245,0.25); border-radius: 4px; padding: 0.15rem 0.5rem; cursor: pointer; transition: all 0.15s; }
.sd-add-btn:hover { background: rgba(66,165,245,0.2); }
/* Multiset comparison table */
.sd-multiset-section { border-top: 1px solid var(--border); padding: 0.75rem; }
.sd-multiset-label { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 0.4rem; }
.sd-multiset-table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 0.68rem; }
.sd-multiset-table th { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); font-weight: 600; padding: 0.25rem 0.4rem; text-align: left; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--surface); }
.sd-multiset-table th:not(:first-child) { text-align: center; }
.sd-multiset-table td { padding: 0.2rem 0.4rem; border-bottom: 1px solid rgba(255,255,255,0.03); }
.sd-multiset-table td:not(:first-child) { text-align: center; }
.sd-multiset-row.row-matched { background: rgba(100,255,218,0.04); }
.sd-multiset-row.row-missing { background: rgba(255,82,82,0.06); }
.sd-multiset-row.row-extra { background: rgba(66,165,245,0.06); }
.sd-multiset-row.hover-highlight { background: rgba(255,255,255,0.08); }
.sd-multiset-scroll { max-height: 200px; overflow-y: auto; }
.sd-multiset-footer { display: flex; gap: 1.5rem; padding-top: 0.4rem; border-top: 1px solid var(--border); margin-top: 0.3rem; font-size: 0.68rem; color: var(--text-muted); font-family: var(--mono); }
.sd-multiset-footer strong { color: var(--text-secondary); }
/* Result section */
.sd-result { border-top: 1px solid var(--border); padding: 0.75rem 1rem; background: var(--surface-2); }
.sd-formula { font-family: var(--mono); font-size: 0.8rem; color: var(--text-secondary); text-align: center; margin-bottom: 0.6rem; }
/* Three-segment breakdown bar */
.sd-breakdown-bar { display: flex; height: 22px; border-radius: 4px; overflow: hidden; margin-bottom: 0.4rem; background: rgba(255,255,255,0.03); }
.sd-bar-seg { height: 100%; transition: width 0.3s; display: flex; align-items: center; justify-content: center; font-size: 0.55rem; font-weight: 600; color: rgba(0,0,0,0.7); min-width: 0; overflow: hidden; }
.sd-bar-jaccard { background: var(--figma-green); }
.sd-bar-depth { background: var(--figma-blue); }
.sd-bar-count { background: var(--figma-orange); }
.sd-breakdown-legend { display: flex; gap: 1rem; justify-content: center; margin-bottom: 0.6rem; }
.sd-leg-item { display: flex; align-items: center; gap: 0.3rem; font-size: 0.65rem; color: var(--text-muted); }
.sd-leg-dot { width: 8px; height: 8px; border-radius: 2px; flex-shrink: 0; }
/* Score bar (same pattern as L2/L3) */
.sd-score-bar { display: flex; align-items: center; gap: 0.75rem; }
.sd-score-label { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); }
.sd-score-track { flex: 1; height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; overflow: hidden; }
.sd-score-fill { height: 100%; border-radius: 4px; background: var(--success); transition: width 0.3s; }
.sd-score-value { font-family: var(--mono); font-size: 0.85rem; font-weight: 600; color: var(--success); min-width: 60px; text-align: right; }
.sd-task-info { font-size: 0.7rem; color: var(--text-muted); padding: 0.5rem 1rem; border-top: 1px solid var(--border); background: var(--surface); }
/* Add-node modal */
.sd-add-modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 1000; align-items: center; justify-content: center; }
.sd-add-modal.open { display: flex; }
.sd-add-modal-inner { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 1.25rem; width: 320px; max-width: 90vw; }
.sd-add-modal-inner h4 { margin: 0 0 0.75rem; font-size: 0.9rem; color: var(--text); }
.sd-add-field { margin-bottom: 0.6rem; }
.sd-add-field label { display: block; font-size: 0.7rem; color: var(--text-muted); margin-bottom: 0.2rem; text-transform: uppercase; letter-spacing: 0.04em; }
.sd-add-field select, .sd-add-field input { width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 0.35rem 0.5rem; font-size: 0.8rem; font-family: var(--font); }
.sd-add-actions { display: flex; gap: 0.5rem; justify-content: flex-end; margin-top: 0.75rem; }
.sd-add-actions button { padding: 0.35rem 0.75rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; cursor: pointer; border: 1px solid var(--border); }
.sd-add-actions .sd-btn-cancel { background: var(--surface-2); color: var(--text-muted); }
.sd-add-actions .sd-btn-add { background: rgba(66,165,245,0.15); color: #1ABCFE; border-color: rgba(66,165,245,0.3); }
.sd-add-actions .sd-btn-add:hover { background: rgba(66,165,245,0.25); }

/* ── L2 Layout Checker ── */
.l2-checker { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; margin-top: 1rem; overflow: hidden; }
.l2-top { display: flex; align-items: center; gap: 0.6rem; padding: 0.8rem 1rem; border-bottom: 1px solid var(--border); }
.l2-top label { font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.l2-top select { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 0.3rem 0.5rem; font-size: 0.8rem; }
.l2-columns { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; }
.l2-tree-col, .l2-checks-col { padding: 0.8rem; max-height: 420px; overflow-y: auto; }
.l2-tree-col { border-right: 1px solid var(--border); }
.l2-col-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 0.5rem; font-weight: 600; }
/* Tree nodes */
.l2-tree-node { display: flex; align-items: center; gap: 0.35rem; padding: 0.15rem 0; font-size: 0.75rem; line-height: 1.3; white-space: nowrap; }
.l2-tree-node .l2-node-type { font-size: 0.6rem; color: var(--text-muted); font-family: var(--mono); min-width: 2.2rem; }
.l2-tree-node .l2-node-name { color: var(--text); overflow: hidden; text-overflow: ellipsis; }
.l2-layout-badge { display: inline-block; font-size: 0.55rem; font-family: var(--mono); font-weight: 600; padding: 0.05rem 0.3rem; border-radius: 3px; line-height: 1.3; flex-shrink: 0; }
.l2-layout-badge.vertical { background: rgba(10,207,131,0.15); color: #0acf83; }
.l2-layout-badge.horizontal { background: rgba(26,188,254,0.15); color: #1abcfe; }
.l2-layout-badge.none { background: rgba(255,255,255,0.06); color: var(--text-muted); }
.l2-size-info { font-size: 0.6rem; color: var(--text-muted); font-family: var(--mono); margin-left: auto; flex-shrink: 0; }
.l2-tree-toggle { cursor: pointer; width: 12px; text-align: center; font-size: 0.65rem; color: var(--text-muted); flex-shrink: 0; user-select: none; }
/* Check cards */
.l2-checks { display: flex; flex-direction: column; gap: 0.45rem; }
.l2-check-card { display: flex; align-items: flex-start; gap: 0.5rem; padding: 0.5rem 0.6rem; border-radius: 5px; border-left: 3px solid var(--success); background: var(--bg); transition: border-color 0.2s, background 0.2s; }
.l2-check-card.fail { border-left-color: var(--danger); background: rgba(242,78,30,0.04); }
.l2-check-card.overridden { border-left-color: var(--warning); background: rgba(245,166,35,0.04); }
.l2-status { font-size: 0.85rem; flex-shrink: 0; line-height: 1; margin-top: 0.1rem; }
.l2-check-body { flex: 1; min-width: 0; }
.l2-check-name { font-size: 0.78rem; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 0.4rem; }
.l2-check-penalty { font-family: var(--mono); font-size: 0.7rem; color: var(--text-muted); margin-left: auto; flex-shrink: 0; }
.l2-check-card.fail .l2-check-penalty { color: var(--danger); font-weight: 600; }
.l2-check-card.overridden .l2-check-penalty { color: var(--warning); font-weight: 600; }
.l2-measured { font-size: 0.68rem; color: var(--text-secondary); margin-top: 0.15rem; font-family: var(--mono); }
.l2-override { display: flex; align-items: center; gap: 0.3rem; margin-top: 0.3rem; }
.l2-override label { font-size: 0.6rem; color: var(--text-muted); cursor: pointer; user-select: none; }
.l2-override input[type="checkbox"] { width: 12px; height: 12px; accent-color: var(--warning); cursor: pointer; }
/* Score area */
.l2-result { padding: 0.8rem 1rem; border-top: 1px solid var(--border); }
.l2-formula { font-family: var(--mono); font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.5rem; text-align: center; }
.l2-score-bar { display: flex; align-items: center; gap: 0.6rem; }
.l2-score-label { font-size: 0.75rem; color: var(--text-secondary); flex-shrink: 0; }
.l2-score-track { flex: 1; height: 8px; background: var(--bg); border-radius: 4px; overflow: hidden; }
.l2-score-fill { height: 100%; border-radius: 4px; background: var(--success); transition: width 0.3s, background 0.3s; width: 100%; }
.l2-score-value { font-family: var(--mono); font-size: 0.85rem; font-weight: 600; color: var(--success); flex-shrink: 0; }
.l2-task-info { margin-top: 0.5rem; font-size: 0.72rem; color: var(--text-muted); font-family: var(--mono); padding: 0 1rem 0.6rem; }

/* ── L5 Visual Fidelity (SSIM + pHash) ── */
.l5-compare { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-top: 1rem; }
.l5-top { display: flex; align-items: center; gap: 0.6rem; padding: 0.8rem 1rem; border-bottom: 1px solid var(--border); }
.l5-top label { font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.l5-top select { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 0.3rem 0.5rem; font-size: 0.8rem; }
/* Three-column image strip */
.l5-images { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.8rem; padding: 1rem; }
.l5-img-col { display: flex; flex-direction: column; gap: 0.4rem; }
.l5-img-label { font-size: 0.7rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; text-align: center; }
.l5-img-wrap { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; aspect-ratio: 375/812; display: flex; align-items: center; justify-content: center; }
.l5-img-wrap img, .l5-img-wrap canvas { width: 100%; height: 100%; object-fit: contain; display: block; }
/* Sliders */
.l5-controls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem 1.25rem; padding: 0 1rem 1rem; }
.l5-slider-row { display: flex; align-items: center; gap: 0.4rem; }
.l5-slider-row label { font-size: 0.72rem; color: var(--text-secondary); white-space: nowrap; }
.l5-slider-row input[type=range] { flex: 1; min-width: 0; }
.l5-slider-val { font-family: var(--mono); font-size: 0.72rem; color: var(--accent); min-width: 32px; text-align: right; white-space: nowrap; }
/* Detail: SSIM breakdown + Hash visualization (two-column) */
.l5-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border-top: 1px solid var(--border); }
.l5-detail-col { background: var(--surface); padding: 0.8rem 1rem; }
.l5-detail-label { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 0.5rem; }
/* SSIM decomposition table */
.l5-ssim-table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 0.78rem; }
.l5-ssim-table td { padding: 0.2rem 0; }
.l5-ssim-table td:first-child { color: var(--text-secondary); }
.l5-ssim-table td:last-child { text-align: right; font-weight: 600; color: var(--text); }
.l5-ssim-table tr.ssim-total td { border-top: 1px solid var(--border); padding-top: 0.35rem; margin-top: 0.15rem; }
/* Hash visualization row */
.l5-hash-row { display: flex; gap: 0.6rem; align-items: flex-start; margin-bottom: 0.5rem; }
.l5-hash-item { display: flex; flex-direction: column; align-items: center; gap: 0.2rem; }
.l5-hash-item span { font-size: 0.6rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; }
.l5-hash-item canvas { width: 64px; height: 64px; image-rendering: pixelated; border: 1px solid var(--border); border-radius: 3px; }
.l5-hash-dist { font-family: var(--mono); font-size: 0.78rem; color: var(--text-secondary); }
/* Result section (formula + bars) */
.l5-result { border-top: 1px solid var(--border); padding: 0.75rem 1rem; background: var(--surface-2); }
.l5-formula { font-family: var(--mono); font-size: 0.8rem; color: var(--text-secondary); text-align: center; margin-bottom: 0.6rem; }
/* Two-segment breakdown bar */
.l5-breakdown-bar { display: flex; height: 22px; border-radius: 4px; overflow: hidden; margin-bottom: 0.4rem; background: rgba(255,255,255,0.03); }
.l5-bar-seg { height: 100%; transition: width 0.3s; display: flex; align-items: center; justify-content: center; font-size: 0.55rem; font-weight: 600; color: rgba(0,0,0,0.7); min-width: 0; overflow: hidden; }
.l5-bar-ssim { background: var(--figma-blue); }
.l5-bar-hash { background: var(--figma-orange); }
.l5-breakdown-legend { display: flex; gap: 1rem; justify-content: center; margin-bottom: 0.6rem; }
.l5-leg-item { display: flex; align-items: center; gap: 0.3rem; font-size: 0.65rem; color: var(--text-muted); }
.l5-leg-dot { width: 8px; height: 8px; border-radius: 2px; flex-shrink: 0; }
/* Score bar */
.l5-score-bar { display: flex; align-items: center; gap: 0.75rem; }
.l5-score-label { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); }
.l5-score-track { flex: 1; height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; overflow: hidden; }
.l5-score-fill { height: 100%; border-radius: 4px; background: var(--success); transition: width 0.3s, background 0.3s; }
.l5-score-value { font-family: var(--mono); font-size: 0.85rem; font-weight: 600; color: var(--success); min-width: 60px; text-align: right; }
.l5-task-info { font-size: 0.7rem; color: var(--text-muted); padding: 0.5rem 1rem; border-top: 1px solid var(--border); background: var(--surface); font-family: var(--mono); }

/* ── L6 VLM Judge ── */
.l6-judge { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-top: 1rem; }
.l6-top { display: flex; align-items: center; gap: 0.6rem; padding: 0.8rem 1rem; border-bottom: 1px solid var(--border); }
.l6-top label { font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.l6-top select { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 0.3rem 0.5rem; font-size: 0.8rem; }
.l6-images { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; padding: 1rem; }
.l6-img-col { display: flex; flex-direction: column; gap: 0.4rem; }
.l6-img-label { font-size: 0.7rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; text-align: center; }
.l6-img-wrap { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; aspect-ratio: 375/812; display: flex; align-items: center; justify-content: center; }
.l6-img-wrap img, .l6-img-wrap canvas { width: 100%; height: 100%; object-fit: contain; display: block; }
.l6-degrade-row { display: flex; align-items: center; gap: 0.5rem; padding: 0 1rem 1rem; }
.l6-degrade-row label { font-size: 0.72rem; color: var(--text-secondary); white-space: nowrap; }
.l6-degrade-row input[type=range] { flex: 1; min-width: 0; }
.l6-degrade-val { font-family: var(--mono); font-size: 0.72rem; color: var(--accent); min-width: 32px; text-align: right; }
.l6-section-label { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); padding: 0.6rem 1rem 0.3rem; }
.l6-prompt-section { padding: 0 1rem 0.5rem; }
.l6-prompt-pre { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 0.8rem 1rem; font-family: var(--mono); font-size: 0.7rem; line-height: 1.55; color: var(--text-secondary); max-height: 180px; overflow-y: auto; white-space: pre-wrap; word-break: break-word; margin: 0; }
.l6-body { display: grid; grid-template-columns: 300px 1fr; gap: 1.5rem; align-items: start; padding: 0.5rem 1rem 1rem; }
.l6-radar-wrap { display: flex; justify-content: center; }
.l6-radar-wrap canvas { max-width: 100%; }
.l6-criteria { display: flex; flex-direction: column; gap: 0.5rem; }
.l6-criterion { background: var(--bg); border-radius: 6px; padding: 0.5rem 0.7rem; border: 1px solid var(--border); }
.l6-crit-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.2rem; }
.l6-crit-name { font-size: 0.78rem; font-weight: 600; color: var(--text); }
.l6-crit-score { font-family: var(--mono); font-size: 0.85rem; color: var(--accent); font-weight: 600; }
.l6-crit-slider { width: 100%; margin: 0.15rem 0; }
.l6-crit-desc { font-size: 0.62rem; color: var(--text-muted); }
.l6-json-section { padding: 0 1rem 0.5rem; }
.l6-json-pre { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 0.6rem 1rem; font-family: var(--mono); font-size: 0.78rem; line-height: 1.4; color: var(--success); margin: 0; }
.l6-result { border-top: 1px solid var(--border); padding: 0.75rem 1rem; }
.l6-formula { font-family: var(--mono); font-size: 0.8rem; color: var(--text-secondary); text-align: center; margin-bottom: 0.6rem; }
.l6-score-bar { display: flex; align-items: center; gap: 0.75rem; }
.l6-score-label { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); }
.l6-score-track { flex: 1; height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; overflow: hidden; }
.l6-score-fill { height: 100%; border-radius: 4px; background: var(--success); transition: width 0.3s, background 0.3s; width: 100%; }
.l6-score-value { font-family: var(--mono); font-size: 0.85rem; font-weight: 600; color: var(--success); min-width: 60px; text-align: right; }
.l6-task-info { font-size: 0.7rem; color: var(--text-muted); padding: 0.5rem 1rem; border-top: 1px solid var(--border); background: var(--surface); font-family: var(--mono); }

/* ── Architecture Diagram ── */
.arch-diagram { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 1.2rem; margin: 1.5rem 0; transition: all 0.3s ease; }
#arch-svg { width: 100%; max-width: 940px; display: block; margin: 0 auto; }

/* Fullscreen button */
.arch-fullscreen-btn {
  position: absolute; top: 0.6rem; right: 0.6rem; z-index: 10;
  width: 32px; height: 32px; padding: 6px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  opacity: 0; pointer-events: none;
}
.arch-diagram:hover .arch-fullscreen-btn { opacity: 1; pointer-events: auto; }
.arch-fullscreen-btn:hover { color: var(--text); border-color: var(--accent); background: var(--surface-2); }
.arch-fullscreen-btn svg { width: 16px; height: 16px; }

/* Fullscreen state */
.arch-diagram.fullscreen {
  position: fixed; inset: 0; z-index: 9999;
  margin: 0; border-radius: 0; border: none;
  background: var(--bg); padding: 2rem;
  display: flex; flex-direction: column; justify-content: center;
  overflow-y: auto;
}
.arch-diagram.fullscreen .arch-fullscreen-btn { opacity: 1; pointer-events: auto; top: 1rem; right: 1rem; }
.arch-diagram.fullscreen #arch-svg { max-width: 100%; flex-shrink: 0; }
.arch-zone { fill: rgba(255,255,255,0.02); stroke: var(--border); stroke-width: 1; stroke-dasharray: 4 3; transition: fill 0.3s; }
.arch-zone.highlight { fill: rgba(255,255,255,0.06); stroke: var(--accent); }
.arch-zone-llm { fill: rgba(242,78,30,0.04); stroke-dasharray: 6 3; }
.arch-zone-label { font-family: var(--mono); font-size: 11px; fill: var(--text-muted); text-anchor: middle; letter-spacing: 0.12em; font-weight: 600; }
.arch-box rect { fill: var(--bg); stroke: var(--border); stroke-width: 1.2; cursor: pointer; transition: fill 0.2s, stroke 0.2s, filter 0.2s; }
.arch-box:hover rect, .arch-box.active rect { fill: rgba(10,207,131,0.08); stroke: #0ACF83; filter: url(#glow); }
.arch-box[data-id="llm"] rect { fill: rgba(242,78,30,0.08); stroke: rgba(242,78,30,0.4); }
.arch-box[data-id="llm"]:hover rect, .arch-box[data-id="llm"].active rect { stroke: #F24E1E; fill: rgba(242,78,30,0.15); }
.arch-box-start rect { stroke: #1ABCFE !important; stroke-width: 2; }
.arch-box-start:hover rect, .arch-box-start.active rect { fill: rgba(26,188,254,0.1) !important; stroke: #1ABCFE !important; }
.arch-box-end rect { stroke: #F24E1E !important; stroke-width: 2; }
.arch-box-end:hover rect, .arch-box-end.active rect { fill: rgba(242,78,30,0.1) !important; stroke: #F24E1E !important; }
.arch-box-label { font-family: var(--mono); font-size: 11px; fill: var(--text); text-anchor: middle; font-weight: 600; pointer-events: none; }
.arch-box-sub { font-family: var(--mono); font-size: 9px; fill: var(--text-muted); text-anchor: middle; pointer-events: none; }
.arch-note { font-family: var(--mono); font-size: 9px; fill: var(--text-muted); text-anchor: middle; pointer-events: none; }
.arch-arrow { stroke: var(--text-muted); stroke-width: 1.2; fill: none; opacity: 0.3; transition: opacity 0.3s, stroke 0.3s, stroke-width 0.3s; }
.arch-arrow.highlight { opacity: 1; stroke-width: 2.2; }
.arch-arrow[data-flow="command"].highlight { stroke: #0ACF83; }
.arch-arrow[data-flow="return"].highlight { stroke: #F24E1E; }
.arch-arrow[data-flow="data"].highlight { stroke: #1ABCFE; }
.arch-arrow[data-flow="llm"].highlight { stroke: #A259FF; }
.arch-arrow-return { stroke-dasharray: 5 3; }
.arch-proto-label { font-family: var(--mono); font-size: 10px; fill: var(--text-muted); text-anchor: middle; opacity: 0.6; }
.arch-flow-label { font-family: var(--mono); font-size: 8.5px; fill: var(--text-muted); pointer-events: none; }
.arch-info { margin-top: 1rem; padding: 0.8rem 1rem; background: var(--bg); border-radius: 6px; border: 1px solid var(--border); min-height: 52px; transition: border-color 0.3s; }
.arch-info.active { border-color: var(--accent); }
.arch-info-title { font-family: var(--mono); font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 0.25rem; }
.arch-info-desc { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.4; }
@keyframes arch-pulse { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }
.arch-arrow.pulse { animation: arch-pulse 1.5s ease-in-out infinite; }
.arch-step-num { font-size: 16px; fill: var(--accent); text-anchor: middle; pointer-events: none; }
.arch-step-txt { font-family: var(--mono); font-size: 9px; fill: var(--accent); text-anchor: middle; letter-spacing: 0.1em; font-weight: 700; pointer-events: none; }
.arch-step-marker { pointer-events: none; }
.arch-legend-title { font-family: var(--mono); font-size: 9px; fill: var(--text-secondary); font-weight: 600; letter-spacing: 0.08em; }
.arch-legend-text { font-family: var(--mono); font-size: 9px; fill: var(--text-muted); }

/* ── Hero Demo ── */
.hero-demo {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 1.5rem 0;
  position: relative;
}
.hero-demo-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 0;
  align-items: stretch;
}
@media (max-width: 600px) {
  .hero-demo-inner {
    grid-template-columns: 1fr;
  }
}
.hero-panel {
  padding: 1rem 1.25rem;
  min-width: 0;
}
.hero-panel-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}
.hero-golden-panel {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.hero-golden-panel img {
  max-height: 220px;
  width: 100%;
  object-fit: contain;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #000;
  align-self: center;
  opacity: 0;
  transition: none;
}
.hero-golden-panel img.visible {
  opacity: 1;
  transition: opacity 0.5s ease;
}
.hero-result-panel {
  border-bottom: 1px solid var(--border);
}
.hero-brief-panel {
  grid-column: 1 / -1;
}
.hero-brief {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
  height: 120px;
  overflow-y: auto;
}
.hero-brief .brief-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 0.8s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.hero-brief .brief-highlight {
  color: var(--figma-blue);
  background: rgba(26, 188, 254, 0.1);
  padding: 0 2px;
  border-radius: 2px;
}
.hero-arrow {
  display: none;
}
.hero-tree {
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.65;
  color: var(--text-muted);
  min-height: 80px;
  max-height: 180px;
  overflow: hidden;
}
.hero-tree .tree-line {
  opacity: 0;
  transition: none;
  white-space: nowrap;
}
.hero-tree .tree-line.visible { opacity: 1; transition: opacity 0.15s ease; }
.hero-tree .tree-type { color: var(--figma-orange); font-size: 0.6rem; opacity: 0.6; }
.hero-tree .tree-name { color: var(--text); }
.hero-tree .tree-chars { color: var(--text-muted); font-style: italic; }
.hero-scores {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.75rem;
}
.hero-scores .score-badge {
  font-size: 0.65rem;
  font-family: var(--mono);
  font-weight: 500;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateY(4px);
  transition: none;
}
.hero-scores .score-badge.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.hero-scores .score-badge .score-name { color: var(--text-muted); }
.hero-scores .score-badge .score-val { color: var(--figma-green); font-weight: 600; }
.hero-composite {
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--figma-green);
  opacity: 0;
  transition: none;
}
.hero-composite.visible { opacity: 1; transition: opacity 0.4s ease; }
.hero-replay {
  position: absolute;
  bottom: 8px;
  right: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.15s, border-color 0.15s;
  opacity: 0;
}
.hero-replay.visible { opacity: 1; }
.hero-replay:hover { color: var(--text); border-color: var(--accent); }
.hero-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  align-items: center;
}
.hero-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.3;
  cursor: pointer;
  transition: opacity 0.2s, background 0.2s, transform 0.2s;
}
.hero-dot.active {
  opacity: 1;
  background: var(--accent);
  transform: scale(1.3);
}

/* ── Leaderboard Chart (Horizontal Stacked Bars) ── */
.leaderboard-chart {
  margin: 1.5rem 0;
}
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  font-size: 0.7rem;
  color: var(--text-muted);
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}
.hchart-wrap {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 100px;
  padding-bottom: 24px;
}
.hchart-gridlines {
  position: absolute;
  inset: 0;
  left: 100px;
  pointer-events: none;
}
.hchart-gridline {
  position: absolute;
  top: 0; bottom: 0;
  border-left: 1px solid var(--border);
  opacity: 0.4;
}
.hchart-gridlabel {
  position: absolute;
  bottom: -18px;
  transform: translateX(-50%);
  font-size: 0.6rem;
  color: var(--text-muted);
  font-family: var(--mono);
  line-height: 1;
}
.hchart-row {
  display: flex;
  align-items: center;
  padding: 0.3rem 0;
  position: relative;
  z-index: 1;
}
.hchart-label {
  position: absolute;
  left: -100px;
  width: 94px;
  text-align: right;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}
.hchart-label .hchart-sub {
  font-weight: 400;
  font-size: 0.6rem;
  color: var(--text-muted);
  display: block;
}
.hchart-bar {
  display: flex;
  flex-direction: row;
  height: 28px;
  border-radius: 0 3px 3px 0;
  overflow: hidden;
  position: relative;
}
.hchart-seg {
  height: 100%;
  transition: width 0.6s ease;
  position: relative;
  min-width: 0;
}
.hchart-seg:hover::after {
  content: attr(data-label);
  position: absolute;
  left: 50%;
  top: -22px;
  transform: translateX(-50%);
  font-size: 0.6rem;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--text);
  white-space: nowrap;
  z-index: 20;
}
.hchart-score {
  font-size: 0.65rem;
  font-family: var(--mono);
  font-weight: 600;
  color: var(--text-secondary);
  margin-left: 8px;
  white-space: nowrap;
}
.hchart-row.placeholder .hchart-bar {
  opacity: 0.35;
}
.hchart-row.placeholder .hchart-label {
  opacity: 0.5;
}
.hchart-row.placeholder .hchart-score {
  opacity: 0.4;
  font-style: italic;
}

/* ── Leaderboard Toggle ── */
.leaderboard-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 1rem;
}
.lb-toggle-btn {
  padding: 0.35rem 1rem;
  font-size: 0.72rem;
  font-weight: 500;
  background: transparent;
  color: var(--text-muted);
  border: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.lb-toggle-btn + .lb-toggle-btn {
  border-left: 1px solid var(--border);
}
.lb-toggle-btn.active {
  background: var(--accent);
  color: #fff;
}

/* ── Leaderboard Table ── */
.lb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}
.lb-table th {
  text-align: left;
  font-weight: 600;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 0.5rem 0.6rem;
  border-bottom: 2px solid var(--border);
}
.lb-table td {
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  color: var(--text-secondary);
}
.lb-table td:first-child {
  color: var(--text-muted);
  font-weight: 600;
  width: 2rem;
}
.lb-table td:nth-child(2) {
  font-family: var(--sans);
  font-weight: 500;
  color: var(--text);
}
.lb-table td:last-child {
  font-weight: 700;
  color: var(--text);
}
.lb-table tr.placeholder td {
  opacity: 0.45;
  font-style: italic;
}

/* ── Reward Decomposition Interactive ── */
.reward-decomp {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 1.5rem 0;
}
.rd-formula {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.8;
  background: var(--surface-2);
}
.rd-formula .formula-main {
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 600;
}
.rd-bar-wrap {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}
.rd-bar-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.rd-stacked-bar {
  display: flex;
  height: 32px;
  border-radius: 4px;
  overflow: hidden;
  background: rgba(255,255,255,0.03);
}
.rd-seg {
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 600;
  color: rgba(0,0,0,0.7);
  transition: flex-basis 0.3s;
  cursor: default;
  min-width: 0;
  overflow: hidden;
}
.rd-seg:hover { opacity: 0.85; }
.rd-seg .rd-seg-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 4px;
}
.rd-controls {
  padding: 0.75rem 1rem;
}
.rd-slider-grid {
  display: grid;
  grid-template-columns: 100px 1fr 50px 50px;
  gap: 0.35rem 0.5rem;
  align-items: center;
  margin-bottom: 0.75rem;
}
.rd-layer-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.rd-slider-grid input[type="range"] {
  accent-color: var(--accent);
  width: 100%;
}
.rd-weight-val, .rd-score-val-cell {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text);
  text-align: right;
}
.rd-presets {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.rd-preset-btn {
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font);
  transition: border-color 0.15s;
}
.rd-preset-btn:hover { border-color: var(--accent); color: var(--text); }
.rd-vlm-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.rd-vlm-toggle input { accent-color: var(--accent); }
.rd-composite {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}
.rd-composite-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.rd-composite-val {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--success);
}
.rd-composite-detail {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: auto;
}