/* ═══ Variables ═══ */
:root {
  /* Consumer - warm cream */
  --cream: #FBF7F0;
  --cream-dark: #F0E8DA;
  --brown-900: #2C1810;
  --brown-700: #4A3228;
  --brown-500: #6B5344;
  --brown-300: #A08E82;
  --brown-100: #D4C8BC;
  --amber: #D97706;
  --amber-light: #F59E0B;
  --amber-glow: #FCD34D;
  --coral: #E07A5F;
  --green: #22C55E;
  --red: #EF4444;
  --blue: #3B82F6;

  /* Admin - demo-live 同款：奶油紙底 + forest/moss/amber */
  --rest-sidebar: #1E3A2F;     /* forest — 深綠 sidebar */
  --rest-body: #FBF7EE;        /* paper — 奶油紙底 */
  --rest-card: #FFFFFF;        /* 卡片白底 */
  --rest-card-hover: #FAF6ED;  /* hover 淡奶油 */
  --rest-border: #D8CEB9;      /* rule — 暖米色邊框 */
  --rest-text: #17201C;        /* ink — 深墨綠 */
  --rest-text-muted: #5C6B64;  /* ink-2 柔化 */
  --rest-accent: #C8882A;      /* amber — 琥珀強調 */
  --rest-orange: #B34A26;      /* rust — 赤陶 */
  --rest-green: #6B8F6E;       /* moss — 苔綠 done */
  --rest-blue: #2C5040;        /* forest-2 — 深綠 info */
}

/* ═══ Base ═══ */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'DM Sans', 'Noto Sans TC', system-ui, sans-serif;
  background: var(--cream);
  color: var(--brown-900);
  min-height: 100vh;
}

body.admin-mode {
  background: var(--rest-body);
  color: var(--rest-text);
}

/* ═══ Typography ═══ */
.font-display {
  font-family: 'Playfair Display', 'Noto Serif TC', serif;
}

/* ═══ Consumer Nav ═══ */
.nav-consumer {
  background: rgba(251, 247, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cream-dark);
  position: sticky;
  top: 0;
  z-index: 40;
}

.nav-consumer a {
  color: var(--brown-700);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.2s;
  font-weight: 500;
  font-size: 0.9rem;
}

.nav-consumer a:hover,
.nav-consumer a.active {
  background: var(--amber);
  color: white;
}

/* ═══ Admin Layout ═══ */
.admin-sidebar {
  width: 220px;
  background: var(--rest-sidebar);
  border-right: 1px solid var(--rest-border);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  padding: 1.5rem 0;
  overflow-y: auto;
  transition: width 0.22s ease;
}
.admin-sidebar.collapsed { width: 64px; padding-top: 1rem; }
.admin-sidebar.collapsed .logo { padding: 0 0.5rem 1rem; justify-content: center; }
.admin-sidebar.collapsed a { justify-content: center; padding: 0.75rem 0; font-size: 1.1rem; }
.admin-sidebar.collapsed a.active { border-right: 3px solid var(--rest-accent); }
body.admin-mode.sidebar-collapsed .admin-content,
.admin-content.collapsed { margin-left: 64px; }

.admin-sidebar .logo {
  padding: 0 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(251,247,238,0.15);
  margin-bottom: 1rem;
  color: #FBF7EE;
}

.admin-sidebar a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.25rem;
  color: #F4EFE6;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.15s;
}

.admin-sidebar a:hover {
  color: #fff;
  background: rgba(255,255,255,0.1);
}

.admin-sidebar a.active {
  color: #F5C97A;
  background: rgba(200,136,42,0.22);
  border-right: 3px solid var(--rest-accent);
  font-weight: 600;
}
.admin-sidebar a .sb-label { color: inherit; font-weight: inherit; }

.admin-content {
  margin-left: 220px;
  min-height: 100vh;
  padding: 2rem;
}

/* ═══ Admin Language Switcher (sliding pill) ═══ */
.lang-switch-admin {
  margin-top: auto;
  align-self: stretch;
  position: relative;
  display: flex;
  padding: 3px;
  background: rgba(0,0,0,0.28);
  border-radius: 999px;
  border: 1px solid rgba(245,201,122,0.14);
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.35);
  overflow: hidden;
}

.lang-switch-admin::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc(50% - 3px);
  height: calc(100% - 6px);
  border-radius: 999px;
  background: linear-gradient(135deg, #F5C97A, #F59E0B);
  box-shadow: 0 2px 6px rgba(245,158,11,0.35), inset 0 1px 0 rgba(255,255,255,0.25);
  transform: translateX(0);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  z-index: 0;
}

.lang-switch-admin[data-lang="en"]::before {
  transform: translateX(100%);
}

.lang-switch-admin button {
  position: relative;
  z-index: 1;
  flex: 1;
  background: transparent;
  border: 0;
  padding: 6px 4px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #9A8E82;
  cursor: pointer;
  font-family: inherit;
  border-radius: 999px;
  transition: color 0.2s ease;
}

.lang-switch-admin button.active {
  color: #1E3A2F;
}

.lang-switch-admin button:not(.active):hover {
  color: #E8DFD4;
}

/* ═══ Cards ═══ */
.card {
  background: white;
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  border: 1px solid var(--cream-dark);
}

.card-admin {
  background: var(--rest-card);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--rest-border);
}

.card-admin:hover {
  background: var(--rest-card-hover);
}

/* ═══ Buttons ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--amber);
  color: white;
}
.btn-primary:hover:not(:disabled) { background: #B45309; }

.btn-ghost {
  background: transparent;
  color: var(--brown-700);
  border: 1px solid var(--brown-100);
}
.btn-ghost:hover { background: var(--cream-dark); }

.btn-danger {
  background: var(--red);
  color: white;
}
.btn-danger:hover:not(:disabled) { background: #DC2626; }

.btn-success {
  background: var(--green);
  color: white;
}
.btn-success:hover:not(:disabled) { background: #16A34A; }

.btn-sm {
  padding: 0.4rem 0.9rem;
  font-size: 0.82rem;
  border-radius: 8px;
}

.btn-admin {
  background: var(--rest-accent);
  color: #FBF7EE;
  font-weight: 600;
}
.btn-admin:hover:not(:disabled) { background: #B3751F; }

/* ═══ Form ═══ */
.input {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid var(--brown-100);
  border-radius: 10px;
  font-size: 0.9rem;
  background: white;
  color: var(--brown-900);
  transition: border-color 0.2s;
  font-family: inherit;
}

.input:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.input-admin {
  background: #fff;
  border-color: var(--rest-border);
  color: var(--rest-text);
}

.input-admin:focus {
  border-color: var(--rest-accent);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.12);
}

.label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--brown-500);
}

.label-admin {
  color: var(--rest-text-muted);
}

/* ═══ Badge ═══ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-amber { background: rgba(245,158,11,0.12); color: #D97706; }
.badge-green { background: rgba(34,197,94,0.12); color: #16A34A; }
.badge-red { background: rgba(239,68,68,0.12); color: #DC2626; }
.badge-blue { background: rgba(59,130,246,0.12); color: #2563EB; }
.badge-gray { background: rgba(0,0,0,0.06); color: var(--brown-500); }

/* demo-live 同款進度條 badge */
.b-pending{background:#fef3c7;color:#92400e}
.b-preparing{background:#fed7aa;color:#9a3412}
.b-cooking{background:#fecaca;color:#991b1b}
.b-ready{background:#bbf7d0;color:#14532d}
.b-served{background:#e5e7eb;color:#374151}
.b-cancelled{background:#fee2e2;color:#991b1b}

/* 進度條（客戶點餐後查看進度） */
.mo-track{display:flex;justify-content:space-between;position:relative;margin-top:10px;padding:0 4px}
.mo-track::before{content:"";position:absolute;left:10%;right:10%;top:7px;height:2px;background:#E5DCC9;z-index:0}
.mo-track .step{position:relative;z-index:1;flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}
.mo-track .step .dot{width:16px;height:16px;border-radius:50%;background:#E5DCC9;border:2px solid #fff;transition:all .3s}
.mo-track .step.done .dot{background:#6B8F6E}
.mo-track .step.current .dot{background:#C8882A;box-shadow:0 0 0 4px rgba(200,136,42,.2);animation:trackPulse 1.5s infinite}
.mo-track .step .lbl{font-size:10px;color:#6B5344;opacity:.6;letter-spacing:.02em}
.mo-track .step.current .lbl,.mo-track .step.done .lbl{color:#1E3A2F;opacity:1;font-weight:600}
@keyframes trackPulse{0%,100%{box-shadow:0 0 0 4px rgba(200,136,42,.2)}50%{box-shadow:0 0 0 8px rgba(200,136,42,.05)}}

.mo-elapsed{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#6B8F6E;font-weight:600;margin-top:10px;padding-top:8px;border-top:1px dashed #F0E8DA}
.order-new{animation:orderSlide .4s ease;border-color:#C8882A !important}
@keyframes orderSlide{from{transform:translateY(-6px);opacity:0}to{transform:translateY(0);opacity:1}}

/* ═══ Table Status ═══ */
.table-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  display: inline-block;
}
.table-dot.available { background: var(--green); }
.table-dot.occupied { background: var(--blue); }
.table-dot.reserved { background: var(--amber-light); }
.table-dot.cleaning { background: var(--brown-300); }

/* ═══ Toast ═══ */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.8rem 1.2rem;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  animation: slideIn 0.3s ease;
  min-width: 260px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.toast-success { background: #065F46; color: white; }
.toast-error { background: #991B1B; color: white; }
.toast-info { background: var(--brown-900); color: white; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ═══ Modal ═══ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: scaleIn 0.2s ease;
}

.modal-admin {
  background: var(--rest-card);
  border: 1px solid var(--rest-border);
  color: var(--rest-text);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* ═══ Order - Mobile First ═══ */
.order-layout {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: white;
}

.menu-category-tab {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid var(--cream-dark);
  background: white;
  color: var(--brown-500);
}

.menu-category-tab.active {
  background: var(--amber);
  color: white;
  border-color: var(--amber);
}

.menu-item-card {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--cream-dark);
  cursor: pointer;
  transition: background 0.15s;
}

.menu-item-card:hover {
  background: var(--cream);
}

.cart-badge {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amber);
  color: white;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(217, 119, 6, 0.4);
  z-index: 60;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  transition: transform 0.2s;
}

.cart-badge:hover { transform: translateX(-50%) scale(1.05); }

/* ═══ Hero ═══ */
.hero {
  background: linear-gradient(135deg, #2C1810 0%, #4A3228 50%, #6B5344 100%);
  color: white;
  padding: 5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* ═══ Stat Card ═══ */
.stat-card {
  text-align: center;
  padding: 1.5rem;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  font-family: 'Playfair Display', serif;
}

/* ═══ Step Indicator ═══ */
.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  transition: all 0.3s;
}

.step-dot.active {
  background: var(--amber);
  color: white;
}

.step-dot.done {
  background: var(--green);
  color: white;
}

.step-dot.pending {
  background: var(--cream-dark);
  color: var(--brown-300);
}

.step-line {
  width: 48px;
  height: 2px;
  background: var(--cream-dark);
  transition: background 0.3s;
}

.step-line.done {
  background: var(--green);
}

/* ═══ Skeleton Loading ═══ */
.skeleton {
  background: linear-gradient(90deg, var(--cream-dark) 25%, var(--cream) 50%, var(--cream-dark) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

.skeleton-admin {
  background: linear-gradient(90deg, var(--rest-border) 25%, var(--rest-card) 50%, var(--rest-border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

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

/* ═══ Responsive ═══ */
@media (max-width: 768px) {
  .admin-sidebar {
    display: none;
  }
  .admin-sidebar.open {
    display: block;
    width: 100%;
  }
  .admin-content {
    margin-left: 0;
    padding: 1rem;
  }
  .hero {
    padding: 3rem 1.5rem;
  }
}

/* ═══ Transitions ═══ */
.fade-in {
  animation: fadeIn 0.3s ease;
}

/* ═══ Scrollbar ═══ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--brown-100); border-radius: 3px; }
body.admin-mode ::-webkit-scrollbar-thumb { background: var(--rest-border); }