/* ====================================================
   BREWTOPIA CAFE — Digital Menu | style.css
   Modern glassmorphism + warm color palette design
   ==================================================== */

/* ========== CSS CUSTOM PROPERTIES (Design Tokens) ========== */
:root {
  /* Brand Colors */
  --color-primary:        #e8622a;   /* Warm burnt orange */
  --color-primary-dark:   #c44d1e;
  --color-primary-light:  #f0845a;
  --color-accent:         #f7c948;   /* Golden yellow */
  --color-accent-dark:    #d4a820;

  /* Background Layers */
  --bg-base:              #0f0d0b;   /* Near-black warm */
  --bg-surface:           #1a1612;
  --bg-card:              #231e19;
  --bg-card-hover:        #2c2520;
  --bg-glass:             rgba(255,255,255,0.06);
  --bg-glass-hover:       rgba(255,255,255,0.10);

  /* Text */
  --text-primary:         #f5f0eb;
  --text-secondary:       #b8a99a;
  --text-muted:           #6e5c50;
  --text-on-primary:      #fff;

  /* Category Tag Colors */
  --tag-veg:              #3dba72;
  --tag-non-veg:          #e05454;
  --tag-spicy:            #f06529;
  --tag-drinks:           #5b9cf6;

  /* UI Elements */
  --border-subtle:        rgba(255,255,255,0.08);
  --border-focus:         var(--color-primary);
  --shadow-card:          0 4px 24px rgba(0,0,0,0.4);
  --shadow-card-hover:    0 12px 40px rgba(232,98,42,0.25);
  --shadow-header:        0 2px 32px rgba(0,0,0,0.6);
  --radius-card:          16px;
  --radius-btn:           50px;
  --radius-input:         50px;

  /* Spacing */
  --header-height:        140px;

  /* Transitions */
  --transition-fast:      0.15s ease;
  --transition-mid:       0.3s ease;
  --transition-slow:      0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ========== RESET & BASE ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Outfit', system-ui, sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;

  /* Subtle background texture */
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(232,98,42,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(247,201,72,0.06) 0%, transparent 50%);
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

input {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 13, 11, 0.85);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-header);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  max-width: 1400px;
  margin: 0 auto;
}

/* --- Brand --- */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-icon {
  font-size: 2rem;
  animation: gentle-bounce 3s ease-in-out infinite;
}

@keyframes gentle-bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-4px); }
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-tagline {
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --- Search --- */
.search-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-input);
  padding: 0 16px;
  gap: 8px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  max-width: 440px;
}

.search-wrapper:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(232,98,42,0.2);
  background: var(--bg-glass-hover);
}

.search-icon {
  font-size: 0.95rem;
  opacity: 0.6;
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  padding: 10px 0;
  font-size: 0.9rem;
  color: var(--text-primary);
  background: transparent;
  caret-color: var(--color-primary);
}

.search-input::placeholder { color: var(--text-muted); }
.search-input::-webkit-search-cancel-button { display: none; }

.search-clear {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
  line-height: 1;
}

.search-clear:hover {
  color: var(--color-primary);
  transform: scale(1.2);
}

/* --- Cart Button --- */
.cart-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: background var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

.cart-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.08);
}

.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--color-accent);
  color: #111;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  border: 2px solid var(--bg-base);
  transition: transform var(--transition-fast);
}

.cart-btn:hover .cart-badge { transform: scale(1.15); }

/* --- Filter Bar --- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 24px 12px;
  max-width: 1400px;
  margin: 0 auto;
  overflow-x: auto;
  scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar { display: none; }

.filter-btn {
  padding: 7px 18px;
  border-radius: var(--radius-btn);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
  flex-shrink: 0;
  transition: background var(--transition-mid), color var(--transition-mid),
              border-color var(--transition-mid), transform var(--transition-fast),
              box-shadow var(--transition-mid);
}

.filter-btn:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
  transform: translateY(-1px);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--text-on-primary);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(232,98,42,0.4);
  transform: translateY(-1px);
}

/* ========== MAIN CONTENT ========== */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 24px 80px;
}

/* --- Results Bar --- */
.results-bar {
  margin-bottom: 20px;
}

.results-count {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.empty-msg {
  font-size: 1rem;
  color: var(--text-secondary);
  padding: 60px 0;
  text-align: center;
}

/* ========== MENU GRID ========== */
.menu-grid {
  display: grid;
  gap: 24px;

  /* Mobile first: 1 column */
  grid-template-columns: 1fr;
}

/* Tablet: 2 columns */
@media (min-width: 580px) {
  .menu-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Desktop: 3 columns */
@media (min-width: 960px) {
  .menu-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Large desktop: 4 columns */
@media (min-width: 1280px) {
  .menu-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ========== MENU CARD ========== */
.menu-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-mid), box-shadow var(--transition-mid),
              border-color var(--transition-mid), background var(--transition-mid);
  position: relative;
}

.menu-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(232,98,42,0.3);
  background: var(--bg-card-hover);
}

/* Card appear animation */
.menu-card {
  animation: card-in var(--transition-slow) both;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(30px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Stagger children with inline delay set by JS */
.menu-card:nth-child(1)  { animation-delay: 0.02s; }
.menu-card:nth-child(2)  { animation-delay: 0.06s; }
.menu-card:nth-child(3)  { animation-delay: 0.10s; }
.menu-card:nth-child(4)  { animation-delay: 0.14s; }
.menu-card:nth-child(5)  { animation-delay: 0.18s; }
.menu-card:nth-child(6)  { animation-delay: 0.22s; }
.menu-card:nth-child(7)  { animation-delay: 0.26s; }
.menu-card:nth-child(8)  { animation-delay: 0.30s; }
.menu-card:nth-child(9)  { animation-delay: 0.34s; }
.menu-card:nth-child(10) { animation-delay: 0.38s; }
.menu-card:nth-child(11) { animation-delay: 0.42s; }
.menu-card:nth-child(12) { animation-delay: 0.46s; }

/* --- Image area --- */
.card-image-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: #181210;
}

.card-image-wrapper img {
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.menu-card:hover .card-image-wrapper img {
  transform: scale(1.08);
}

/* Category Tag on image */
.card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.card-tag--veg     { background: rgba(61,186,114,0.25); color: #5dd98e; border: 1px solid rgba(61,186,114,0.4); }
.card-tag--non-veg { background: rgba(224,84,84,0.25);  color: #f07070; border: 1px solid rgba(224,84,84,0.4); }
.card-tag--spicy   { background: rgba(240,101,41,0.25); color: #f09060; border: 1px solid rgba(240,101,41,0.4); }
.card-tag--drinks  { background: rgba(91,156,246,0.25); color: #88bbff; border: 1px solid rgba(91,156,246,0.4); }

/* Bestseller badge */
.card-bestseller {
  position: absolute;
  top: 12px;
  right: 12px;
  background: linear-gradient(135deg, var(--color-accent), #f0a020);
  color: #111;
  padding: 3px 8px;
  border-radius: 50px;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- Card Body --- */
.card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.card-description {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 10px;
}

.card-price {
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Add to Order Button --- */
.btn-add-order {
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
              background var(--transition-fast);
  white-space: nowrap;
}

.btn-add-order:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(232,98,42,0.45);
}

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

/* Added state */
.btn-add-order.added {
  background: linear-gradient(135deg, #3dba72, #2a9057);
  box-shadow: 0 4px 16px rgba(61,186,114,0.4);
}

/* ========== CART SIDEBAR ========== */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  transition: opacity var(--transition-mid);
  pointer-events: none;
}

.cart-overlay.visible {
  opacity: 1;
  pointer-events: auto;
  display: block !important;
}

.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  height: 100dvh;
  width: min(420px, 95vw);
  background: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  box-shadow: -8px 0 48px rgba(0,0,0,0.5);
  z-index: 300;
  display: flex;
  flex-direction: column;
  transform: translateX(105%);
  transition: transform var(--transition-slow);
}

.cart-sidebar.open {
  transform: translateX(0);
  display: flex !important;
}

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.cart-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  color: var(--text-primary);
}

.cart-close-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.cart-close-btn:hover {
  background: rgba(224,84,84,0.2);
  color: #f07070;
}

/* --- Cart Items Wrapper --- */
.cart-items-wrapper {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
}

.cart-items-wrapper::-webkit-scrollbar { width: 4px; }
.cart-items-wrapper::-webkit-scrollbar-thumb { background: var(--border-subtle); border-radius: 4px; }

/* --- Cart Item Row --- */
.cart-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 10px 12px;
  animation: slide-in 0.25s ease;
}

@keyframes slide-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.cart-item-img {
  width: 52px;
  height: 52px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  background: #181210;
}

.cart-item-info {
  flex: 1;
  min-width: 0;
}

.cart-item-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-price {
  font-size: 0.8rem;
  color: var(--color-primary-light);
  font-weight: 700;
}

/* Qty Controls */
.qty-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.qty-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  line-height: 1;
}

.qty-btn:hover       { background: var(--color-primary); border-color: var(--color-primary); }
.qty-btn.qty-dec:hover { background: rgba(224,84,84,0.3); border-color: rgba(224,84,84,0.5); }

.qty-value {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  min-width: 20px;
  text-align: center;
}

/* Remove Button */
.cart-item-remove {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
}

.cart-item-remove:hover {
  color: #f07070;
  transform: scale(1.2);
}

/* --- Cart Empty State --- */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  gap: 8px;
  padding: 40px 20px;
}

.cart-empty-icon {
  font-size: 3rem;
  margin-bottom: 8px;
  opacity: 0.5;
}

.cart-empty p {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.cart-empty span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* --- Cart Footer --- */
.cart-footer {
  flex-shrink: 0;
  padding: 16px 20px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.cart-total-row--grand {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  padding-top: 6px;
  border-top: 1px solid var(--border-subtle);
}

.cart-total-row--grand span:last-child {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* WhatsApp Button */
.btn-whatsapp {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-btn);
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(37,211,102,0.3);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,211,102,0.45);
}

.btn-whatsapp:active { transform: scale(0.98); }

/* Clear Cart Button */
.btn-clear-cart {
  width: 100%;
  padding: 10px;
  border-radius: var(--radius-btn);
  background: rgba(224,84,84,0.12);
  color: #f07070;
  border: 1px solid rgba(224,84,84,0.25);
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-clear-cart:hover {
  background: rgba(224,84,84,0.22);
  box-shadow: 0 0 0 2px rgba(224,84,84,0.2);
}

/* ========== TOAST NOTIFICATION ========== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 50px;
  padding: 10px 22px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  z-index: 400;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
  white-space: nowrap;
  opacity: 0;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ========== WHATSAPP FAB ========== */
.whatsapp-fab {
  display: none; /* shown via JS when cart has items */
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  font-size: 1.4rem;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  cursor: pointer;
  z-index: 90;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  animation: pulse-fab 2.5s ease-in-out infinite;
}

.whatsapp-fab.visible {
  display: flex;
}

@keyframes pulse-fab {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
  50%       { box-shadow: 0 6px 30px rgba(37,211,102,0.7); }
}

.whatsapp-fab:hover {
  transform: scale(1.12);
}

/* ========== SKELETON LOADING ========== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========== SCROLLBAR (webkit) ========== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-subtle); border-radius: 6px; }

/* ========== FOCUS VISIBLE ========== */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ========== UTILITY ========== */
[hidden] { display: none !important; }

/* ========== RESPONSIVE TWEAKS ========== */
@media (max-width: 480px) {
  .header-inner { padding: 12px 16px; gap: 10px; }
  .brand-name   { font-size: 1.15rem; }
  .brand-tagline { display: none; }
  .filter-bar   { padding: 0 16px 10px; gap: 6px; }
  .main-content { padding: 16px 16px 80px; }
}