/* ===== Toast (edit feedback) ===== */
  .toast {
    position: fixed;
    bottom: 24px; left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--ink);
    color: var(--bg);
    padding: 10px 18px;
    border-radius: 4px;
    font-size: 13px;
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s ease;
    z-index: 200;
  }
  .toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  /* ===== Hero ===== */
  .hero {
    max-width: 1280px;
    margin: 0 auto;
    padding: 64px 40px 48px;
    border-bottom: 1px solid var(--line);
    position: relative;
  }
  .po-pub-stamp {
    position: absolute;
    top: 24px; right: 40px;
    font-family: "Geist Mono", monospace;
    text-align: right;
    line-height: 1.5;
    pointer-events: none;
  }
  .po-pub-stamp-label {
    display: block;
    font-size: var(--text-xs);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-soft);
  }
  .po-pub-stamp-time {
    display: block;
    font-size: 11px;
    color: var(--ink-muted);
  }
  .hero-kicker {
    font-family: "Geist Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--ink-soft);
    text-transform: uppercase;
    margin-bottom: 22px;
  }
  .hero h1 {
    font-family: "Fraunces", serif;
    font-weight: 400;
    font-size: clamp(36px, 5vw, 62px);
    line-height: 1.02;
    letter-spacing: -0.025em;
    font-variation-settings: "opsz" 144, "SOFT" 20;
    margin-bottom: 24px;
    max-width: 900px;
  }
  .hero h1 em {
    font-style: italic;
    font-weight: 300;
    color: var(--ink-muted);
  }
  .hero-lede {
    font-size: var(--text-base);
    line-height: 1.55;
    color: var(--ink-muted);
    max-width: 680px;
  }

  /* ===== Legend panel ===== */
  .legend-panel {
    max-width: 1280px;
    margin: 0 auto;
    padding: 36px 40px;
    border-bottom: 1px solid var(--line);
  }
  .section-kicker {
    font-family: "Geist Mono", monospace;
    font-size: var(--text-xs);
    letter-spacing: 0.22em;
    color: var(--ink-soft);
    text-transform: uppercase;
    margin-bottom: 14px;
  }
  .legend-title {
    font-family: "Fraunces", serif;
    font-size: var(--text-xl);
    font-weight: 500;
    margin-bottom: 18px;
    letter-spacing: -0.01em;
  }

  .legend-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px 20px;
  }
  .legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.15s;
    border: 1px solid transparent;
  }
  .legend-item:hover { background: var(--surface); border-color: var(--line-soft); }
  .legend-item.filter-on {
    background: var(--surface);
    border-color: var(--ink);
  }
  .legend-swatch {
    width: 14px; height: 14px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
  }
  .legend-code {
    font-family: "Geist Mono", monospace;
    font-size: 11px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0.05em;
    width: 28px;
    white-space: nowrap;
  }
  .legend-name {
    font-size: 13px;
    color: var(--ink-muted);
  }