/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #e6e6e6;
  --bg-dark:     #d8d8d8;
  --bg-card:     #f4f4f4;
  --bg-card-mod: #fff7e6;
  --bg-panel:    #ebebeb;
  --border:      #c0c0c0;
  --border-mid:  #adadad;
  --border-top:  #909090;
  --gold:        #7a5408;
  --gold-light:  #4a3205;
  --gold-dim:    #956618;
  --muted:       #6a6a6a;
  --muted-dark:  #505050;
  --muted-deep:  #888888;
  --muted-text:  #5e5e5e;
  --green:       #1f6e1f;
  --green-text:  #175417;
  --orange:      #a84e00;
  --orange-text: #7a3800;
  --body-text:   #1a1a1a;
  --desc-text:   #444444;
  --font-sans:   'Inter', system-ui, sans-serif;
  --font-display:'IM Fell English', 'Georgia', serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--body-text);
  font-family: var(--font-sans);
  font-size: 27px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Header ──────────────────────────────────────────────────────────────────*/
header {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border-top);
  padding: 40px 24px 32px;
  text-align: center;
}
header .subtitle {
  font-size: 20px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 500;
}
header h1 {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 400;
  color: var(--gold-light);
  letter-spacing: 0.05em;
}
header h1 .zh { opacity: 0.6; }
header .tagline {
  font-size: 23px;
  color: var(--gold-dim);
  margin-top: 8px;
  letter-spacing: 0.15em;
  font-weight: 300;
}

/* ── Filters ─────────────────────────────────────────────────────────────────*/
#filters-section {
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border-mid);
  padding: 20px 24px 18px;
}
.filter-label {
  font-size: 20px;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 14px;
  text-align: center;
  font-weight: 500;
}
#filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

/* Skeleton placeholders */
.filter-skeleton {
  display: inline-block;
  width: 140px;
  height: 48px;
  border-radius: 24px;
  background: var(--border-mid);
  opacity: 0.5;
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:.35} 50%{opacity:.6} }

.filter-btn {
  padding: 10px 20px;
  border-radius: 24px;
  border: 2px solid var(--border-mid);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 21px;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: border-color .18s, background .18s, color .18s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.filter-btn.active {
  border-color: var(--btn-color, var(--gold));
  background: color-mix(in srgb, var(--btn-color, var(--gold)) 12%, transparent);
  color: var(--btn-color, var(--gold));
}

#filter-meta { text-align: center; margin-top: 12px; }
#clear-filters {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 20px;
  cursor: pointer;
  letter-spacing: 0.05em;
  text-decoration: underline;
}
#filter-legend {
  font-size: 20px;
  color: var(--muted);
  margin-top: 8px;
}
.legend-pass  { color: var(--green); }
.legend-mod   { color: var(--orange); }
.legend-hide  { color: var(--muted-dark); }

/* ── Menu ────────────────────────────────────────────────────────────────────*/
#menu-root {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

#loading, #empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--muted);
}
#empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }
#empty-state p + p { font-size: 20px; margin-top: 10px; }

/* Category heading */
.category-heading {
  padding: 36px 0 14px;
  border-bottom: 2px solid var(--border-mid);
  margin-bottom: 6px;
}
.category-heading .name-en { font-size: 33px; color: var(--gold); letter-spacing: 0.05em; font-weight: 600; }
.category-heading .name-zh { font-size: 21px; color: var(--muted-text); letter-spacing: 0.15em; margin-top: 4px; font-weight: 300; }

/* Item card */
.item-card {
  border-left: 4px solid var(--border);
  padding: 18px 18px 18px 20px;
  margin: 10px 0;
  background: var(--bg-card);
  border-radius: 0 8px 8px 0;
  transition: background .15s;
}
.item-card.status-pass  { border-left-color: var(--green); }
.item-card.status-mod   { border-left-color: var(--orange); background: var(--bg-card-mod); }
.item-card.has-mods     { cursor: pointer; }

.item-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.item-left { flex: 1; }
.item-right { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; min-width: 60px; }

/* Name + badges */
.item-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.item-name {
  font-size: 27px;
  color: var(--body-text);
  font-weight: 500;
}
.item-name.signature { color: var(--gold); font-weight: 600; }

.badge {
  font-size: 18px;
  padding: 3px 10px;
  border-radius: 12px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  font-weight: 500;
}
.badge-vegan  { background: #c8eac8; color: var(--green-text); }
.badge-gf     { background: #f0e4c0; color: var(--gold); }
.badge-mod    { background: #fde8cc; color: var(--orange-text); }

.item-desc {
  font-size: 23px;
  color: var(--desc-text);
  margin-top: 6px;
  line-height: 1.5;
  font-weight: 300;
}
.item-note {
  font-size: 20px;
  color: var(--gold-dim);
  margin-top: 6px;
  font-style: italic;
}

/* Allergen tags */
.allergen-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.allergen-tag {
  font-size: 18px;
  padding: 2px 10px;
  border-radius: 10px;
  border: 1.5px solid var(--border-mid);
  color: var(--muted-dark);
  background: transparent;
  transition: border-color .15s, color .15s, background .15s;
}
.allergen-tag.flagged {
  border-color: var(--tag-color, var(--gold));
  color: var(--tag-color, var(--gold));
  background: color-mix(in srgb, var(--tag-color, var(--gold)) 10%, transparent);
}

/* Price + toggle */
.item-price {
  font-size: 29px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.mods-toggle {
  font-size: 18px;
  color: var(--muted);
  white-space: nowrap;
}

/* Modifications panel */
.mods-panel {
  margin-top: 14px;
  background: var(--bg-panel);
  border-radius: 8px;
  padding: 16px;
  border: 1.5px solid var(--border-mid);
  display: none;
}
.mods-panel.open { display: block; }
.mods-panel-title {
  font-size: 20px;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 600;
}
.mod-entry {
  padding: 12px 14px;
  border-radius: 6px;
  border: 1.5px solid transparent;
  margin-bottom: 8px;
}
.mod-entry.relevant {
  background: #fdefd8;
  border-color: color-mix(in srgb, var(--mod-color, var(--gold)) 30%, transparent);
}
.mod-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.mod-allergen-label { font-size: 20px; font-weight: 500; }
.mod-relevant-badge {
  font-size: 18px;
  color: var(--orange-text);
  background: #fde0b8;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
}
.mod-desc   { font-size: 21px; color: var(--desc-text); }
.mod-result { font-size: 20px; color: var(--green-text); margin-top: 4px; font-weight: 500; }
.mods-disclaimer {
  font-size: 18px;
  color: var(--muted-deep);
  margin-top: 10px;
  font-style: italic;
}

/* ── Footer ──────────────────────────────────────────────────────────────────*/
footer {
  border-top: 1px solid var(--border-mid);
  padding: 24px 24px;
  text-align: center;
  color: var(--muted-deep);
  font-size: 20px;
  letter-spacing: 0.03em;
  line-height: 2;
}

/* ── Responsive ──────────────────────────────────────────────────────────────*/
@media (max-width: 600px) {
  header h1 { font-size: 54px; }
  .item-name { font-size: 24px; }
  .item-desc { font-size: 20px; }
  body { font-size: 22px; }
}