/* ==========================================================================
   Diwan Lounge — Dark Lounge stylesheet
   System fonts only. No external resources.
   Lounge-Refinement-Pack v1 (2026-05-17):
   - View Transitions API für sanften Active-Pill-Wechsel
   - Touch-Feedback auf Nav-Pills + Items
   - Sticky-Shrink-Header beim Scrollen mit Gold-Glow
   - Stagger-FadeIn für organisches Item-Reveal
   Alle Features sind Progressive Enhancement — ältere Browser sehen
   die Karte unverändert.
   ========================================================================== */

:root {
  --color-bg: #0a0a0a;
  --color-bg-elev: #111;
  --color-surface: #141414;
  --color-border: #1a1a1a;
  --color-border-strong: #2a2a2a;
  --color-text: #e8e8e8;
  /* --color-muted: Sekundärfarbe für Größen, Hinweise, Tags etc.
     #b0b0b0 ergibt ~9.5:1 Kontrast auf #0a0a0a → WCAG AAA (auch im Café-Licht gut lesbar). */
  --color-muted: #b0b0b0;
  --color-muted-soft: #888;  /* nur für Trenner / sehr untergeordnete UI-Elemente */
  --color-accent: #c9a961;
  --color-accent-soft: rgba(201, 169, 97, 0.15);
  --color-warn: #d97757;
  --color-info: #6c9bd1;

  --font-serif: "Palatino Linotype", "Book Antiqua", Palatino, "New York", Cambria, Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --header-h: 7.5rem;

  --max-w: 720px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-bottom: env(safe-area-inset-bottom);
}

a { color: var(--color-accent); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; border-radius: var(--radius-sm); }

button { font: inherit; color: inherit; cursor: pointer; }

/* -------------------------- Header -------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--color-border);
  /* Sticky-Shrink: alle relevanten Übergänge mit einer einheitlichen Kurve */
  transition: background 200ms ease, border-color 200ms ease;
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-5) var(--space-4) var(--space-3);
  text-align: center;
  /* sanftes Schrumpfen des Innenraums bei Scroll */
  transition: padding 220ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.site-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  margin: 0;
  /* Mittelstarker Gold-Glow für Lounge-Feeling */
  text-shadow:
    0 0 16px rgba(201, 169, 97, 0.35),
    0 0 32px rgba(201, 169, 97, 0.12);
  transition: font-size 220ms cubic-bezier(0.22, 0.61, 0.36, 1),
              text-shadow 200ms ease;
}

.site-tagline {
  margin: var(--space-1) 0 0;
  color: var(--color-muted);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: font-size 220ms cubic-bezier(0.22, 0.61, 0.36, 1),
              opacity 200ms ease,
              margin-top 220ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* Sticky-Shrink: aktiv beim Scrollen (Klasse wird via JS gesetzt) */
.site-header.is-scrolled .header-inner {
  padding-top: var(--space-3);
  padding-bottom: var(--space-2);
}
.site-header.is-scrolled .site-title {
  font-size: 1.2rem;
  text-shadow:
    0 0 10px rgba(201, 169, 97, 0.25),
    0 0 20px rgba(201, 169, 97, 0.08);
}
.site-header.is-scrolled .site-tagline {
  font-size: 0.7rem;
  opacity: 0.6;
  margin-top: 0;
}

.banner,
.happy-hour-banner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  font-size: 0.9rem;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.happy-hour-banner {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.banner {
  background: rgba(108, 155, 209, 0.08);
  color: var(--color-info);
}

/* -------------------------- Category nav -------------------------- */
.category-nav {
  border-top: 1px solid var(--color-border);
  background: rgba(10, 10, 10, 0.96);
}

.category-nav-list {
  list-style: none;
  margin: 0;
  padding: var(--space-2) var(--space-4);
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-snap-type: x proximity;
  max-width: var(--max-w);
  margin-inline: auto;
}

.category-nav-list::-webkit-scrollbar { display: none; }

.category-nav-list li { flex: 0 0 auto; scroll-snap-align: start; }

.category-nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  white-space: nowrap;
  background: transparent;
  text-decoration: none;
  /* Sanfte Übergänge inkl. Transform für Touch-Feedback */
  transition: color 160ms ease,
              border-color 160ms ease,
              background 160ms ease,
              transform 100ms cubic-bezier(0.22, 0.61, 0.36, 1);
  /* View Transition: Active-State morpht weich, wenn die Klasse wechselt */
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.category-nav-list a:hover { color: var(--color-text); }

/* Touch-Feedback (Tap-Reaction) — wirkt auf Touch UND Maus */
.category-nav-list a:active {
  transform: scale(0.95);
}

.category-nav-list a.active {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  /* Subtle Glow + Inset-Shadow für "elevated"-Look */
  box-shadow:
    0 0 0 1px rgba(201, 169, 97, 0.15),
    0 4px 12px -4px rgba(201, 169, 97, 0.25);
  /* Eigene view-transition-name → Browser kann zwischen alter und neuer
     aktiven Pille einen Cross-Fade animieren */
  view-transition-name: active-category-pill;
}

/* -------------------------- Main -------------------------- */
main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-5) var(--space-4) var(--space-7);
}

.loading,
.error {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  color: var(--color-muted);
}

.error p { margin: 0 0 var(--space-3); }
.error .muted { color: var(--color-muted); font-size: 0.9rem; }

.retry-btn {
  margin-top: var(--space-3);
  min-height: 44px;
  padding: 0 var(--space-5);
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.retry-btn:hover, .retry-btn:focus { background: var(--color-accent-soft); }

/* -------------------------- Category section -------------------------- */
.category {
  padding-top: var(--space-6);
  margin-bottom: var(--space-7);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.category-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-5);
}

.category-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin: 0;
  /* Mittelstarker Gold-Glow, identisch mit Header */
  text-shadow:
    0 0 14px rgba(201, 169, 97, 0.32),
    0 0 28px rgba(201, 169, 97, 0.1);
}

.category-desc {
  margin: var(--space-1) 0 0;
  color: var(--color-muted);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* ---- Stagger-FadeIn: organisches Item-Reveal ----
   Items erscheinen leicht versetzt (40ms pro Item, max ~400ms);
   cubic-bezier-Kurve wirkt organischer als reines "ease".
   --idx wird per JS auf jeden Block gesetzt (Index innerhalb der Kategorie). */
.category.is-visible .category-header {
  animation: fadeUp 380ms cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.category.is-visible .block {
  animation: fadeUp 420ms cubic-bezier(0.22, 0.61, 0.36, 1) both;
  /* Stagger-Delay: 40ms pro Index, cap auf 10 Items (=400ms) */
  animation-delay: calc(min(var(--idx, 0), 10) * 40ms);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .category.is-visible .category-header,
  .category.is-visible .block { animation: none; }
}

/* -------------------------- Item block -------------------------- */
.block { margin-bottom: var(--space-5); }

.item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  column-gap: var(--space-4);
  row-gap: var(--space-1);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  /* Touch-Feedback: kein Tap-Highlight, eigene Reaktion */
  -webkit-tap-highlight-color: transparent;
  transition: background 200ms ease,
              transform 120ms cubic-bezier(0.22, 0.61, 0.36, 1);
  border-radius: var(--radius-sm);
  margin-inline: calc(-1 * var(--space-2));
  padding-inline: var(--space-2);
}

.item:last-child { border-bottom: 0; }

/* Subtle Touch-Reaction: leichter Hintergrund + minimaler Scale beim Tap */
.item:active {
  background: rgba(201, 169, 97, 0.04);
  transform: scale(0.995);
}

.item-number {
  grid-column: 1;
  grid-row: 1 / span 4;
  color: var(--color-muted);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  min-width: 1.75rem;
  letter-spacing: 0.05em;
}

.item-name {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.item-prices {
  grid-column: 3;
  grid-row: 1;
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
  white-space: nowrap;
}

.price {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-2);
  font-variant-numeric: tabular-nums;
}

.price-size {
  color: var(--color-muted);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.price-amount {
  color: var(--color-accent);
  font-size: 1rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.price-amount.has-hh { color: var(--color-muted); text-decoration: line-through; }

.price-amount-hh {
  color: var(--color-accent);
  font-weight: 600;
}

.item-desc {
  grid-column: 2 / span 2;
  grid-row: 2;
  margin: var(--space-1) 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.item-ingredients {
  grid-column: 2 / span 2;
  grid-row: 3;
  margin: var(--space-1) 0 0;
  color: var(--color-muted);
  font-size: 0.8rem;
  font-style: italic;
}

.item-tags {
  grid-column: 2 / span 2;
  grid-row: 4;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: 0;
  list-style: none;
}

.tag {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.item-notes {
  grid-column: 2 / span 2;
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: 0.8rem;
}

.item-image {
  grid-column: 2 / span 2;
  margin-top: var(--space-3);
  width: 100%;
  max-height: 240px;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

/* -------------------------- Subheading block -------------------------- */
.subheading {
  margin: var(--space-5) 0 var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-align: center;
}

/* -------------------------- Price-table block -------------------------- */
.price-table {
  margin: var(--space-4) 0;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.price-table-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  margin: 0 0 var(--space-3);
  color: var(--color-text);
}

.price-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.price-table th,
.price-table td {
  padding: var(--space-2) var(--space-2);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.price-table th {
  color: var(--color-muted);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.price-table td:first-child { color: var(--color-text); }
.price-table td:not(:first-child),
.price-table th:not(:first-child) { text-align: right; color: var(--color-accent); }
.price-table tr:last-child td { border-bottom: 0; }

/* -------------------------- Highlight block -------------------------- */
.highlight {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  font-size: 0.9rem;
  margin: var(--space-4) 0;
}

.highlight.warn  { border-left-color: var(--color-warn); }
.highlight.info  { border-left-color: var(--color-info); }
.highlight.star  { border-left-color: var(--color-accent); }

.highlight-icon {
  flex: 0 0 auto;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.1rem;
  font-style: normal;
  color: var(--color-accent);
  text-align: center;
  line-height: 1.25rem;
}

.highlight.warn .highlight-icon { color: var(--color-warn); }
.highlight.info .highlight-icon { color: var(--color-info); }

.highlight-text { color: var(--color-text); line-height: 1.45; }

/* -------------------------- Footer -------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-6) var(--space-4) calc(var(--space-6) + env(safe-area-inset-bottom));
  text-align: center;
  color: var(--color-muted);
  font-size: 0.85rem;
}

.footer-name {
  font-family: var(--font-serif);
  color: var(--color-accent);
  margin: 0 0 var(--space-2);
  letter-spacing: 0.06em;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--color-muted);
}

.footer-links a:hover, .footer-links a:focus { color: var(--color-accent); }

.footer-contact {
  margin: var(--space-3) 0 0;
  font-size: 0.8rem;
  white-space: pre-line;
}

/* -------------------------- Legal pages -------------------------- */
.legal-page main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-6) var(--space-4) var(--space-7);
}

.legal-page h1 {
  font-family: var(--font-serif);
  color: var(--color-accent);
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-top: 0;
}

.legal-page h2 {
  font-family: var(--font-serif);
  color: var(--color-accent);
  font-weight: 400;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  margin-top: var(--space-6);
}

.legal-page h3 {
  font-family: var(--font-sans);
  color: var(--color-text);
  font-size: 0.95rem;
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.legal-page p,
.legal-page li {
  color: var(--color-text);
  line-height: 1.65;
}

.legal-page ul { padding-left: var(--space-5); }

.legal-page .muted { color: var(--color-muted); font-size: 0.85rem; }

.legal-page .back-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-bottom: var(--space-4);
  color: var(--color-muted);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.legal-page .back-link:hover { color: var(--color-accent); }

/* -------------------------- Breakpoints -------------------------- */
@media (min-width: 768px) {
  :root { --max-w: 760px; }
  .site-title { font-size: 1.85rem; }
  .category-name { font-size: 1.85rem; }
  .item-name { font-size: 1.1rem; }
}

@media (min-width: 1024px) {
  :root { --max-w: 820px; }
  .site-header .header-inner { padding-top: var(--space-6); }
}

/* -------------------------- View Transitions (modern) --------------------
   Browser-natives Cross-Fade beim Wechsel des aktiven Kategorie-Pills.
   Greift nur in Browsern mit View-Transitions-API-Support
   (Chrome 111+, Edge 111+, Safari 18+, Firefox 130+).
   Ältere Browser: Klassen-Wechsel passiert wie zuvor, ohne Animation.
   ------------------------------------------------------------------------ */
::view-transition-old(active-category-pill),
::view-transition-new(active-category-pill) {
  animation-duration: 280ms;
  animation-timing-function: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* Default: kompletten Page-Fade vermeiden — nur das benannte Element
   sollte animieren. Die root-View-Transition machen wir sehr kurz. */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0ms;
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(active-category-pill),
  ::view-transition-new(active-category-pill) {
    animation-duration: 0ms;
  }
}