/* ============================================================
   macfolder stylesheet
   Design system: Claude (adjusted neutral-ivory variant)
   ============================================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* ── Color tokens ── */
  --bg-page:      #fafaf7;
  --bg-surface:   #ffffff;
  --bg-muted:     #f0efe9;

  --accent:       #c96442;
  --accent-soft:  #d97757;

  --text-primary:   #141413;
  --text-secondary: #4d4c48;
  --text-muted:     #87867f;

  --border-subtle:  #ebe9e0;
  --border-default: #dcdad0;
  --ring-interactive: #d1cfc5;

  --focus-ring: #3898ec;
  --error: #b53333;

  /* ── Elevation ── */
  --shadow-whisper: 0 4px 24px rgba(0, 0, 0, 0.05);
  --shadow-ring: 0 0 0 1px var(--ring-interactive);

  /* ── Typography ── */
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'PingFang SC', sans-serif;
  --font-mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* ── Layout ── */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --gap: 16px;
  --gap-lg: 24px;
}

html, body { height: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
.hidden { display: none !important; }

/* ============================================================
   Top bar (help button + language switcher, fixed top-right)
   ============================================================ */
.top-bar {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 100;
  display: flex;
  gap: 8px;
  align-items: center;
}
.top-bar-btn {
  position: relative;
  overflow: hidden;
  padding: 7px 12px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: var(--font-sans);
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 120ms, color 120ms;
}
.top-bar-btn:hover {
  border-color: var(--border-default);
  color: var(--text-primary);
}
#helpButton {
  border-color: rgba(201, 100, 66, 0.28);
  box-shadow:
    0 0 0 1px rgba(201, 100, 66, 0.08),
    0 6px 18px rgba(201, 100, 66, 0.10);
  animation: helpPulse 3.1s ease-in-out infinite;
}
#helpButton::after {
  content: "";
  position: absolute;
  inset: -42%;
  background: linear-gradient(115deg, transparent 36%, rgba(255,255,255,0.72) 50%, transparent 64%);
  transform: translateX(-155%) skewX(-18deg);
  animation: helpShimmer 4.8s ease-in-out infinite;
  pointer-events: none;
}
#helpButton:hover {
  border-color: rgba(201, 100, 66, 0.4);
  box-shadow:
    0 0 0 1px rgba(201, 100, 66, 0.12),
    0 10px 22px rgba(201, 100, 66, 0.14);
}
.lang-switcher {
  /* now nested inside .top-bar — no positioning of its own */
}
.lang-switcher select {
  appearance: none;
  -webkit-appearance: none;
  padding: 7px 28px 7px 12px;
  background-color: var(--bg-surface);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path d='M3 4.5l3 3 3-3' stroke='%23696866' stroke-width='1.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: var(--font-sans);
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 120ms, box-shadow 120ms;
}
.lang-switcher select:hover {
  border-color: var(--border-default);
}
.lang-switcher select:focus-visible {
  outline: none;
  border-color: var(--focus-ring);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--focus-ring) 25%, transparent);
}

/* ============================================================
   Header
   ============================================================ */
.app-header {
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
  padding: 48px 24px 28px;
}
.app-title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.app-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 6px;
}
.app-lead {
  max-width: 760px;
  margin: 12px auto 0;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.72;
}
.app-highlights {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}
.app-highlight {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(220, 218, 208, 0.9);
  box-shadow: 0 8px 18px rgba(20, 20, 19, 0.04);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ============================================================
   Layout
   ============================================================ */
.app {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 28px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 32px;
  align-items: start;
}

.preview-col, .controls-col {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.preview-col {
  position: sticky;
  top: 88px;
  align-self: start;
}
.controls-col {
  order: 1;
}
.preview-col {
  order: 2;
}
.preview-panel {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-whisper);
}
.site-copy {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 28px 72px;
}
.site-copy-head {
  max-width: 820px;
  margin-bottom: 20px;
}
.site-copy-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.site-copy-subtitle {
  margin-top: 8px;
  font-size: 15px;
  color: var(--text-secondary);
}
.site-copy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.site-copy-card {
  box-shadow: var(--shadow-whisper);
}
.site-copy-card-title {
  font-size: 16px;
  font-weight: 650;
  line-height: 1.35;
  color: var(--text-primary);
}
.site-copy-card-body {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.68;
}
.site-faq {
  margin-top: 16px;
  box-shadow: var(--shadow-whisper);
}
.site-faq-title {
  margin-bottom: 14px;
}
.site-faq-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.site-faq-item {
  padding: 16px;
  background: var(--bg-muted);
  border: 1px solid rgba(220, 218, 208, 0.75);
  border-radius: var(--radius-md);
}
.site-faq-question {
  font-size: 15px;
  font-weight: 650;
  line-height: 1.4;
  color: var(--text-primary);
}
.site-faq-answer {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.mode-panel {
  display: none;
  flex-direction: column;
  gap: 16px;
}
.mode-panel.active {
  display: flex;
}

.mode-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
  gap: 4px;
  padding: 4px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  box-shadow: var(--shadow-whisper);
}
.mode-switch-btn {
  position: relative;
  overflow: hidden;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: background 160ms, color 160ms, box-shadow 160ms, transform 160ms;
}
.mode-switch-btn:hover {
  color: var(--text-primary);
}
.mode-switch-btn.active {
  background: var(--text-primary);
  color: #fffdf9;
  box-shadow: 0 1px 2px rgba(20, 20, 19, 0.14);
}
#modeTemplatesBtn {
  color: var(--accent);
  background: linear-gradient(135deg, rgba(201, 100, 66, 0.12), rgba(217, 119, 87, 0.2));
  box-shadow:
    0 0 0 1px rgba(201, 100, 66, 0.18),
    0 6px 18px rgba(201, 100, 66, 0.12);
  animation: templatePulse 2.8s ease-in-out infinite;
}
#modeTemplatesBtn::before {
  content: "";
  position: absolute;
  inset: -35%;
  background: linear-gradient(115deg, transparent 32%, rgba(255,255,255,0.85) 50%, transparent 68%);
  transform: translateX(-150%) skewX(-18deg);
  animation: templateShimmer 3.6s ease-in-out infinite;
  pointer-events: none;
}
#modeTemplatesBtn:hover {
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px rgba(201, 100, 66, 0.22),
    0 10px 24px rgba(201, 100, 66, 0.16);
}
#modeTemplatesBtn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: #fffdf9;
  box-shadow:
    0 0 0 1px rgba(201, 100, 66, 0.28),
    0 10px 24px rgba(201, 100, 66, 0.22);
  animation: none;
}
#modeTemplatesBtn.active::before {
  opacity: 0.55;
  animation: none;
  transform: translateX(25%) skewX(-18deg);
}

/* ── Cards ── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}
.card-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.card-title-row {
  display: flex; align-items: center; justify-content: space-between;
}

/* ── Preview wrap ── */
.preview-wrap {
  aspect-ratio: 1;
  width: 100%;
  background:
    radial-gradient(circle at top, rgba(255,255,255,0.5), transparent 55%),
    var(--bg-muted);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  position: relative;
  overflow: hidden;
}
.preview-wrap > svg,
.premium-preview-img,
.overlay-img {
  position: absolute;
  inset: 0;
}
.preview-wrap > svg {
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
}
.premium-preview-img {
  width: 100%;
  height: 100%;
  display: none;
  object-fit: contain;
  z-index: 2;
}
.premium-preview-img.active { display: block; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  transition: box-shadow 120ms, background 120ms, color 120ms;
}
.btn-primary {
  background: var(--accent);
  color: #faf9f5;
  box-shadow: 0 0 0 1px var(--accent);
}
.btn-primary:hover { background: var(--accent-soft); box-shadow: 0 0 0 1px var(--accent-soft); }
.btn-secondary {
  background: var(--bg-muted);
  color: var(--text-secondary);
  box-shadow: var(--shadow-ring);
}
.btn-secondary:hover { background: var(--border-subtle); }
.tool-btn {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-muted);
  color: var(--text-secondary);
  box-shadow: var(--shadow-ring);
}
.tool-btn:hover { background: var(--border-subtle); }

/* ── Export toolbar (slim, below preview) ── */
.export-toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 0;
}
.export-toolbar-downloads {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.export-toolbar .btn {
  width: 100%;
}
.export-toolbar .btn-secondary {
  padding: 8px 12px;
  font-size: 12px;
}

/* ── Upload zone ── */
.upload-zone {
  padding: 32px 20px;
  text-align: center;
  border: 1.5px dashed var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 120ms, background 120ms;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}
.upload-zone-primary {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 4px;
}
.upload-zone-secondary {
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Preview wrap drag-over state ── */
.preview-wrap.drag-over {
  box-shadow: var(--shadow-whisper), 0 0 0 2px var(--accent);
}

/* ── Text + search inputs ── */
.text-input, .symbol-search {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  font-size: 14px;
}
.text-input:focus, .symbol-search:focus {
  outline: none;
  border-color: var(--focus-ring);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--focus-ring) 25%, transparent);
}

/* ============================================================
   Colors row (folder left, paper right — side-by-side)
   ============================================================ */
.colors-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 16px;
}
.colors-row > .color-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  box-shadow: var(--shadow-whisper);
}
.color-picker-wrap {
  display: flex; flex-direction: column; gap: 12px; align-items: center;
}
.color-picker-area { display: flex; justify-content: center; }
.color-tools { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.paper-body {
  transition: opacity 140ms, filter 140ms;
}
/* "Disabled" = dimmed only, still interactive. Filled-mode toggle controls
   whether paper color is actually rendered; the picker itself always works. */
.paper-body.disabled {
  opacity: 0.6;
  filter: saturate(0.6);
}
@media (max-width: 480px) {
  .colors-row { grid-template-columns: 1fr; }
}

/* ============================================================
   Content panel (tabbed: brand / text / image)
   ============================================================ */
.content-card { padding: 0; overflow: hidden; box-shadow: var(--shadow-whisper); }
.template-library-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  box-shadow: var(--shadow-whisper);
}
.template-library-scroll {
  max-height: min(72vh, 920px);
  overflow-y: auto;
  padding-right: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-default) transparent;
}
.template-library-scroll::-webkit-scrollbar {
  width: 10px;
}
.template-library-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.template-library-scroll::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
.template-library-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
  background-clip: padding-box;
}
.content-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.content-tabs::-webkit-scrollbar { display: none; }
.content-tab {
  flex: 0 0 auto;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--text-muted);
  background: transparent;
  font-weight: 500;
  position: relative;
  transition: color 120ms;
}
.content-tab:hover { color: var(--text-secondary); }
.content-tab.active {
  color: var(--text-primary);
}
.content-tab.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -1px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
}

.content-panel { display: none; padding: 16px 20px 20px; }
.content-panel.active { display: block; }

.content-panel-header {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}
.content-panel-header .symbol-search { flex: 1; }
.content-panel-hint {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.premium-intro {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.premium-filters {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0 0 16px;
  padding: 4px 0 12px;
  background: linear-gradient(to bottom, var(--bg-surface) 82%, rgba(255,255,255,0));
  scrollbar-width: none;
}
.premium-filters::-webkit-scrollbar {
  display: none;
}
.premium-filter-chip {
  flex: 0 0 auto;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-muted);
  box-shadow: var(--shadow-ring);
  transition: background 120ms, color 120ms, box-shadow 120ms;
}
.premium-filter-chip:hover {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--bg-muted) 78%, white);
}
.premium-filter-chip.active {
  color: #fffdf9;
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.premium-section + .premium-section {
  margin-top: 20px;
}
.premium-section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.premium-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.premium-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(20, 20, 19, 0.03);
}
.premium-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
}
.premium-preview {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--bg-muted);
  border-bottom: 1px solid var(--border-subtle);
}
.premium-preview:hover {
  background: color-mix(in srgb, var(--bg-muted) 82%, white);
}
.premium-preview img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  display: block;
}
.premium-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
}
.premium-card-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}
@media (max-width: 820px) {
  .premium-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 560px) {
  .premium-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1100px) {
  .app {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .controls-col,
  .preview-col {
    order: initial;
  }
  .preview-col {
    position: static;
  }
  .preview-panel {
    max-width: 760px;
    width: 100%;
    margin: 0 auto;
  }
  .site-copy-grid,
  .site-faq-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app {
    padding: 0 18px 40px;
  }
  .app-header {
    padding: 56px 18px 20px;
  }
  .app-lead {
    font-size: 14px;
  }
  .site-copy {
    padding: 0 18px 48px;
  }
  .site-copy-title {
    font-size: 24px;
  }
  .export-toolbar-downloads {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Overlay image + handles
   ============================================================ */
.overlay-img {
  display: none;
  pointer-events: auto;
  cursor: grab;
  user-select: none;
  -webkit-user-drag: none;
  z-index: 3;
}
.overlay-img.active { display: block; }

.overlay-btn {
  position: absolute;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--text-primary);
  display: none;
  align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 10;
  padding: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.overlay-btn.show { display: flex; }
.overlay-btn svg { width: 14px; height: 14px; }
.overlay-btn.overlay-resize { cursor: nwse-resize; }
.overlay-btn.overlay-rotate { cursor: grab; }
.overlay-btn.overlay-radius { cursor: move; }

.guide-h, .guide-v {
  position: absolute; background: var(--accent);
  opacity: 0; transition: opacity 100ms; pointer-events: none; z-index: 9;
}
.guide-h { left: 0; right: 0; height: 1px; }
.guide-v { top: 0; bottom: 0; width: 1px; }
.guide-h.show, .guide-v.show { opacity: 0.8; }

/* ============================================================
   Style toggle (iOS-style)
   ============================================================ */
.ios-toggle { position: relative; display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.ios-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.ios-toggle .track {
  width: 34px; height: 20px; border-radius: 999px; background: var(--border-default); transition: background 150ms;
}
.ios-toggle .thumb {
  position: absolute; right: 16px; top: 2px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,0.15); transition: right 150ms;
}
.ios-toggle input:checked ~ .track { background: var(--accent); }
.ios-toggle input:checked ~ .thumb { right: 2px; }
.toggle-label-inline { font-size: 12px; color: var(--text-secondary); }

/* ============================================================
   Symbol picker — brand tab internals
   ============================================================ */
.symbol-tabs { display: flex; gap: 4px; margin: 4px 0 10px; }
.symbol-tab {
  padding: 5px 10px; border-radius: var(--radius-sm);
  font-size: 12px; color: var(--text-secondary);
  background: transparent;
}
.symbol-tab.active {
  background: var(--bg-muted);
  color: var(--text-primary);
  font-weight: 500;
}
.brand-color-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-secondary); cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
.brand-color-toggle input {
  accent-color: var(--accent);
}

.symbol-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  max-height: 400px;
  overflow-y: auto;
  padding: 4px;
}
.symbol-item {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 8px 4px; border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 120ms;
}
.symbol-item:hover { background: var(--bg-muted); }
.symbol-item.active { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.symbol-item img { width: 28px; height: 28px; }
.symbol-item .slug {
  font-size: 10px; color: var(--text-muted); text-align: center;
  line-height: 1.1; overflow: hidden; text-overflow: ellipsis;
  width: 100%; white-space: nowrap;
}
.symbol-section-header {
  grid-column: 1 / -1; padding: 8px 4px 2px;
  font-size: 11px; color: var(--text-muted); font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.symbol-section-header.recent-header {
  display: flex; justify-content: space-between; align-items: center;
}
.clear-recent {
  font-size: 14px; color: var(--text-muted); padding: 0 4px;
  line-height: 1;
}
.clear-recent:hover { color: var(--text-primary); }

.az-bar {
  display: none; flex-wrap: wrap; gap: 2px; justify-content: center;
  padding: 8px 4px 0; border-top: 1px solid var(--border-subtle);
  margin-top: 8px;
}
.az-bar.show { display: flex; }
.az-bar button {
  padding: 2px 5px; border-radius: 3px;
  font-size: 11px; color: var(--text-muted);
}
.az-bar button:hover { background: var(--bg-muted); color: var(--text-primary); }

@media (max-width: 720px) {
  .symbol-grid { grid-template-columns: repeat(6, 1fr); }
}
@media (max-width: 420px) {
  .symbol-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   Accessibility — focus rings + reduced motion
   ============================================================ */
button:focus-visible, input:focus-visible, [role="button"]:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--focus-ring) 35%, transparent);
}

/* ============================================================
   Entry animations
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes templatePulse {
  0%, 100% {
    box-shadow:
      0 0 0 1px rgba(201, 100, 66, 0.18),
      0 6px 18px rgba(201, 100, 66, 0.12);
  }
  50% {
    box-shadow:
      0 0 0 1px rgba(201, 100, 66, 0.28),
      0 12px 28px rgba(201, 100, 66, 0.2);
  }
}
@keyframes templateShimmer {
  0% { transform: translateX(-150%) skewX(-18deg); }
  55%, 100% { transform: translateX(150%) skewX(-18deg); }
}
@keyframes helpPulse {
  0%, 100% {
    box-shadow:
      0 0 0 1px rgba(201, 100, 66, 0.08),
      0 6px 18px rgba(201, 100, 66, 0.10);
  }
  50% {
    box-shadow:
      0 0 0 1px rgba(201, 100, 66, 0.16),
      0 10px 24px rgba(201, 100, 66, 0.16);
  }
}
@keyframes helpShimmer {
  0%, 62%, 100% { transform: translateX(-155%) skewX(-18deg); }
  72% { transform: translateX(120%) skewX(-18deg); }
}
.controls-col > * {
  animation: fadeInUp 300ms ease-out both;
}
.controls-col > *:nth-child(1) { animation-delay: 0.20s; }
.controls-col > *:nth-child(2) { animation-delay: 0.28s; }
.controls-col > *:nth-child(3) { animation-delay: 0.36s; }
.controls-col > *:nth-child(4) { animation-delay: 0.44s; }

@media (prefers-reduced-motion: reduce) {
  .controls-col > * { animation: none; }
  #modeTemplatesBtn,
  #modeTemplatesBtn::before,
  #helpButton,
  #helpButton::after { animation: none !important; }
  * { transition: none !important; }
}

/* ============================================================
   Loupe (eyedropper fallback)
   ============================================================ */
.loupe {
  position: fixed; width: 80px; height: 80px;
  border: 2px solid var(--text-primary);
  border-radius: 50%; overflow: hidden;
  pointer-events: none; z-index: 9999;
  box-shadow: var(--shadow-whisper);
}
.loupe canvas { display: block; }
.loupe-crosshair {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, transparent calc(50% - 1px), rgba(0,0,0,0.4) 50%, transparent calc(50% + 1px)),
    linear-gradient(to right, transparent calc(50% - 1px), rgba(0,0,0,0.4) 50%, transparent calc(50% + 1px));
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  top: 24px; left: 50%;
  transform: translateX(-50%) translateY(-20px);
  padding: 10px 16px;
  background: var(--text-primary);
  color: #faf9f5;
  border-radius: var(--radius-md);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: transform 200ms, opacity 200ms;
  z-index: 10000;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================
   Help modal
   ============================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 19, 0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 10001;
  animation: fadeIn 150ms ease-out;
}
.modal-backdrop[hidden] { display: none; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 28px 28px 24px;
  max-width: 520px;
  width: 100%;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  animation: slideUp 200ms ease-out;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  font-size: 22px;
  line-height: 1;
  color: var(--text-muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 120ms, color 120ms;
}
.modal-close:hover {
  background: var(--bg-muted);
  color: var(--text-primary);
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.25;
  margin-bottom: 8px;
  padding-right: 32px;
}

.steps {
  list-style: none;
  counter-reset: step;
  margin-top: 18px;
}
.steps li {
  counter-increment: step;
  padding: 14px 0;
  border-top: 1px solid var(--border-subtle);
  position: relative;
  padding-left: 40px;
}
.steps li:first-child {
  border-top: none;
  padding-top: 4px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 14px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: #faf9f5;
  text-align: center;
  line-height: 26px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
}
.steps li:first-child::before { top: 4px; }
.steps h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}
.steps p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-tip {
  margin-top: 20px;
  padding: 12px 14px;
  background: var(--bg-muted);
  border-radius: var(--radius-md);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1000px) {
  .app { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .app { grid-template-columns: 1fr; padding: 0 16px 32px; }
  .app-header { padding: 32px 16px 16px; }
  .export-toolbar { flex-direction: column; align-items: stretch; }
  .export-toolbar .btn-primary { width: 100%; }
}
@media (max-width: 420px) {
  .card { padding: 16px; }
  .content-panel { padding: 12px 16px 16px; }
  .content-tab { padding: 12px 12px; font-size: 13px; }
}