/* ==========================================================================
   Restaurant Digital Menu — Client Stylesheet (Dark Theme)
   ========================================================================== */

:root {
  /* Color tokens - Modern Dark Palette */
  --color-ink: #fdfbf7;          /* Primary text: Off-white for readability */
  --color-ink-soft: #a8a49c;     /* Secondary text: Muted grey/gold */
  --color-ivory: #121212;        /* Main background: Deep charcoal */
  --color-ivory-dim: #1e1e1e;    /* Elevated surface background */
  
  /* Primary accents changed from green to a modern restaurant gold */
  --color-bay: #d4af37;          
  --color-bay-light: #f3d57b;    
  --color-gold: #d4af37;         
  --color-gold-light: #f3d57b;   
  
  --color-clay: #d68766;
  --color-clay-dark: #b86b4f;
  --color-line: rgba(255, 255, 255, 0.08);
  --color-line-light: rgba(255, 255, 255, 0.03);

  /* Diet markers — brightened slightly for dark mode contrast */
  --color-veg: #66bb6a;
  --color-nonveg: #ef5350;
  --color-egg: #ffca28;
  --color-chilly: #ef5350;
  --color-wine: #ab47bc;

  /* Type */
  --font-display: "Fraunces", serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "Space Mono", monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.875rem;
  --space-4: 1.25rem;
  --space-5: 2rem;
  --space-6: 3.25rem;
  --space-7: 5rem;

  /* Radii & shadow - Adjusted for dark mode depth */
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lift: 0 16px 40px rgba(0, 0, 0, 0.6);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-med: 340ms;
  --dur-slow: 560ms;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------------------------------------------------------------------- */
/* Reset & base                                                            */
/* ---------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--color-ivory);
  color: var(--color-ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: var(--color-gold-light);
  color: #000;
}

:focus-visible {
  outline: 2px solid var(--color-bay);
  outline-offset: 3px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------------------------------------------------------------------- */
/* Page fade-in                                                            */
/* ---------------------------------------------------------------------- */

.fade-in {
  animation: fadeIn var(--dur-slow) var(--ease-out) both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stagger > * {
  opacity: 0;
  animation: fadeIn var(--dur-slow) var(--ease-out) both;
}
.stagger > *:nth-child(1) { animation-delay: 0.02s; }
.stagger > *:nth-child(2) { animation-delay: 0.08s; }
.stagger > *:nth-child(3) { animation-delay: 0.14s; }
.stagger > *:nth-child(4) { animation-delay: 0.2s; }
.stagger > *:nth-child(5) { animation-delay: 0.26s; }
.stagger > *:nth-child(6) { animation-delay: 0.32s; }

/* ==========================================================================
   CLIENT MENU
   ========================================================================== */

.menu-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--space-4) var(--space-7);
  position: relative;
}

/* --- Header --- */

.menu-header {
  padding: var(--space-6) var(--space-2) var(--space-5);
  text-align: center;
}

.menu-header__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-bay);
}

.menu-header__eyebrow::before,
.menu-header__eyebrow::after {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--color-bay-light);
}

.menu-header__title {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 600;
  font-size: clamp(2.1rem, 8vw, 3.2rem);
  letter-spacing: -0.01em;
  margin-top: var(--space-3);
  color: var(--color-ink);
}

.menu-header__subtitle {
  margin-top: var(--space-2);
  color: var(--color-ink-soft);
  opacity: 0.72;
  font-size: 0.95rem;
  font-style: italic;
  font-family: var(--font-display);
}

/* --- Search / filter bar --- */

.menu-toolbar {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  position: sticky;
  top: var(--space-2);
  z-index: 20;
}

.menu-search {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-ivory-dim);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-soft);
}

.menu-search svg {
  width: 18px;
  height: 18px;
  color: var(--color-bay);
  flex-shrink: 0;
}

.menu-search input {
  border: none;
  outline: none;
  width: 100%;
  background: transparent;
  font-size: 0.95rem;
  color: var(--color-ink);
}

.menu-search input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

/* --- Today's Special: signature section --- */

.special-section {
  margin-bottom: var(--space-6);
  position: relative;
}

.special-section__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.special-section__label svg {
  width: 16px;
  height: 16px;
}

.special-track {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding: var(--space-2) var(--space-1) var(--space-4);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-gold-light) transparent;
}

.special-track::-webkit-scrollbar {
  height: 6px;
}
.special-track::-webkit-scrollbar-thumb {
  background: var(--color-gold-light);
  border-radius: 10px;
}

.special-card {
  scroll-snap-align: start;
  flex: 0 0 78%;
  max-width: 300px;
  position: relative;
  /* Updated gradient for dark mode */
  background: linear-gradient(155deg, #26241f 0%, #0d0d0d 70%);
  color: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4) var(--space-4);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  border: 1px solid rgba(212, 175, 55, 0.2);
  animation: fadeIn var(--dur-slow) var(--ease-out) both;
}

.special-card--sold-out {
  opacity: 0.6;
}

.special-card::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -30%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 68%);
  pointer-events: none;
}

.special-card__corner {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 30px;
  height: 30px;
  color: var(--color-gold-light);
  opacity: 0.6;
}

.special-card__category {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: var(--space-2);
}

.special-card__name-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  position: relative;
}

.special-card__name-row .diet-marker {
  width: 16px;
  height: 16px;
}

.special-card__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.15;
}

.special-card__desc {
  font-size: 0.86rem;
  color: rgba(253, 251, 247, 0.72);
  line-height: 1.55;
  margin-bottom: var(--space-4);
  position: relative;
}

.special-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.special-card__price {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--color-gold-light);
}

.special-empty,
.menu-empty {
  padding: var(--space-5);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-md);
}

/* --- Category tabs + swipeable panel track --- */

.category-nav-wrap {
  position: sticky;
  top: 56px;
  z-index: 25;
  background: var(--color-ivory);
  padding-top: var(--space-2);
  margin: 0 calc(var(--space-4) * -1) var(--space-4);
}

.category-nav {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding: var(--space-2) var(--space-4) var(--space-3);
  scrollbar-width: none;
  position: relative;
}

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

.category-nav::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--color-line);
}

.category-tab {
  flex: 0 0 auto;
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: var(--space-2) var(--space-3) var(--space-3);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.42);
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}

.category-tab__count {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: rgba(255, 255, 255, 0.32);
  transition: color var(--dur-fast) var(--ease-out);
}

.category-tab.is-active {
  color: var(--color-ink);
}

.category-tab.is-active .category-tab__count {
  color: var(--color-bay);
}

.category-nav__indicator {
  position: absolute;
  bottom: 0;
  height: 2px;
  background: var(--color-bay);
  border-radius: 2px;
  transition: transform var(--dur-med) var(--ease-out), width var(--dur-med) var(--ease-out);
}

.category-viewport {
  overflow: hidden;
  position: relative;
  transition: height var(--dur-med) var(--ease-out);
}

.category-track {
  display: flex;
  align-items: flex-start;
  width: 100%;
  transition: transform var(--dur-med) var(--ease-out);
}

.category-panel {
  flex: 0 0 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.category-panel__card {
  background: var(--color-ivory-dim);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.category__items {
  display: flex;
  flex-direction: column;
}

.swipe-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.32);
  margin-top: var(--space-3);
}

.swipe-hint svg {
  width: 12px;
  height: 12px;
}

/* --- Menu item row --- */

.menu-item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border-top: 1px solid var(--color-line);
  transition: background var(--dur-fast) var(--ease-out);
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.menu-item__main {
  flex: 1;
  min-width: 0;
}

.menu-item__name-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Diet marker */
.diet-marker {
  flex-shrink: 0;
  display: inline-flex;
  width: 15px;
  height: 15px;
}

.diet-marker--veg {
  color: var(--color-veg);
}

.diet-marker--nonveg {
  color: var(--color-nonveg);
}

.diet-marker--egg {
  color: var(--color-egg);
}

/* Diet filter bar */
.diet-filter-bar {
  margin-bottom: var(--space-4);
}

.diet-filter {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
}

.diet-filter__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  background: var(--color-ivory-dim);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: border-color var(--dur-fast, 0.15s), background var(--dur-fast, 0.15s), color var(--dur-fast, 0.15s), box-shadow var(--dur-fast, 0.15s);
}

.diet-filter__btn:hover {
  border-color: var(--color-bay-light);
}

.diet-filter__btn .diet-marker {
  width: 13px;
  height: 13px;
}

.diet-filter__btn--all,
.diet-filter__btn[data-diet="all"] {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.diet-filter__btn.is-active {
  color: #000;
  border-color: transparent;
  box-shadow: var(--shadow-soft);
}

.diet-filter__btn[data-diet="all"].is-active {
  background: var(--color-ink);
}

.diet-filter__btn[data-diet="veg"].is-active {
  background: var(--color-veg);
}

.diet-filter__btn[data-diet="egg"].is-active {
  background: var(--color-egg);
}

.diet-filter__btn[data-diet="non-veg"].is-active {
  background: var(--color-nonveg);
}

.diet-filter__btn[data-diet="veg"].is-active .diet-marker,
.diet-filter__btn[data-diet="egg"].is-active .diet-marker,
.diet-filter__btn[data-diet="non-veg"].is-active .diet-marker {
  color: #121212;
}

.diet-legend {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: var(--space-4);
}

.diet-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Spice marker */
.spice-marker {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  flex-shrink: 0;
}

.spice-marker svg {
  width: 13px;
  height: 13px;
  color: var(--color-chilly);
}

/* Alcohol marker */
.alcohol-marker {
  display: inline-flex;
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  color: var(--color-wine);
}

.menu-item__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}

.menu-item__badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.12);
  padding: 2px 7px;
  border-radius: 20px;
}

.menu-item__badge svg {
  width: 9px;
  height: 9px;
}

.menu-item__badge--soldout {
  color: var(--color-clay-dark);
  background: rgba(214, 135, 102, 0.14);
}

.menu-item--sold-out {
  opacity: 0.5;
}

.menu-item--sold-out .menu-item__name,
.menu-item--sold-out .menu-item__price {
  text-decoration: line-through;
  text-decoration-color: rgba(255, 255, 255, 0.35);
}

.menu-item__desc {
  margin-top: var(--space-1);
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.5;
}

.menu-item__price {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-bay);
  white-space: nowrap;
  align-self: flex-start;
  margin-top: 2px;
}

/* --- Customization --- */

.menu-item__custom-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-ivory-dim);
  color: var(--color-bay);
  flex-shrink: 0;
  align-self: flex-start;
  transition: background var(--dur-fast);
}

.menu-item__custom-toggle:hover {
  background: rgba(255, 255, 255, 0.05);
}

.menu-item__custom-toggle svg {
  width: 18px;
  height: 18px;
  transition: transform var(--dur-fast) var(--ease-out);
}

.menu-item__custom-toggle.is-open svg {
  transform: rotate(180deg);
}

.menu-item__custom-toggle--special {
  background: rgba(212, 175, 55, 0.12);
  border-color: rgba(212, 175, 55, 0.3);
  color: var(--color-gold-light);
}

.menu-item__custom-toggle--special:hover {
  background: rgba(212, 175, 55, 0.2);
}

.menu-item__customization-panel {
  display: none;
  flex-basis: 100%;
  width: 100%;
  margin-top: var(--space-3);
}

.menu-item__customization-panel.is-open {
  display: block;
}

.special-card__customization-panel {
  margin-top: var(--space-3);
}

.customization-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px dashed var(--color-line);
}

.customization-item__name {
  flex: 1;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--color-ink);
}

.customization-item__price {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--color-bay);
  white-space: nowrap;
}

.special-card__price--custom {
  font-size: 1rem;
}

.special-card__customization-panel .customization-item {
  border-top: 1px dashed rgba(255, 255, 255, 0.15);
}

.special-card__customization-panel .customization-item__name {
  color: var(--color-ink);
}

.special-card__customization-panel .customization-item__price {
  color: var(--color-gold-light);
}

/* --- Footer --- */

.menu-footer {
  text-align: center;
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line);
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
}

.menu-footer a {
  color: var(--color-bay);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast);
}
.menu-footer a:hover {
  border-color: var(--color-bay);
}

/* --- Loading state --- */

.loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-7) var(--space-4);
  color: rgba(255, 255, 255, 0.5);
  gap: var(--space-3);
}

.loader__ring {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid var(--color-line);
  border-top-color: var(--color-bay);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loader__text {
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

/* Shared Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast), opacity var(--dur-fast);
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-bay);
  color: #121212;
  width: 100%;
}

.btn-primary:hover {
  background: var(--color-bay-light);
}

/* Responsive tweaks */
@media (min-width: 640px) {
  .special-card {
    flex: 0 0 340px;
  }
}