/* ============================================
   常常菜馆 · 在线点单  v2.0
   响应式 + 离线 PWA
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --primary: #FF6B35;
  --primary-dark: #E55A2B;
  --primary-light: #FF8F5E;
  --primary-bg: #FFF8F2;
  --primary-bg-alt: #FFF2E8;

  --bg: #FAF7F4;
  --card-bg: #FFFFFF;
  --surface: #FFFFFF;
  --surface-alt: #F7F5F2;

  --text: #1A1A2E;
  --text-secondary: #5A5A6E;
  --text-light: #9A9AAB;

  --border: #EDE9E4;
  --border-light: #F5F2EE;

  --success: #22C55E;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #3B82F6;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);

  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;

  --sidebar-w: 240px;
  --header-h: 0px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 0.25s var(--ease);
}

/* ---------- Base ---------- */

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  display: flex;
}

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

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

input {
  font-family: inherit;
}

/* ---------- App Layout ---------- */

.app {
  flex: 1;
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.main {
  flex: 1;
  min-width: 0;
  padding-bottom: 72px;
  display: flex;
  flex-direction: column;
}

/* ---------- Sidebar (Desktop) ---------- */

.sidebar {
  display: none;
  flex-direction: column;
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 28px 20px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 40px;
  padding: 0 4px;
}

.sidebar__logo {
  font-size: 28px;
}

.sidebar__name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.sidebar__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text-secondary);
  transition: all var(--transition);
  position: relative;
  text-align: left;
  width: 100%;
}

.sidebar__item:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

.sidebar__item.active {
  background: var(--primary);
  color: white;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
}

.sidebar__icon {
  font-size: 20px;
  line-height: 1;
}

.sidebar__badge {
  margin-left: auto;
  position: static;
}

.sidebar__footer {
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.7;
}

.sidebar__version {
  font-size: 11px;
  opacity: 0.7;
  margin-top: 2px;
}

/* ---------- Pages ---------- */

.page {
  display: none;
  flex: 1;
  animation: fadeInUp 0.4s var(--ease-out);
}

.page--active {
  display: block;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Page Header (Hero) ---------- */

.page-header {
  padding: 28px 20px 18px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -30px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -20px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.header-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.header-subtitle {
  font-size: 14px;
  opacity: 0.92;
  margin-top: 4px;
  position: relative;
  z-index: 1;
}

/* ---------- Category Tabs ---------- */

.category-tabs {
  display: flex;
  gap: 8px;
  padding: 16px 16px 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.category-tab {
  flex-shrink: 0;
  padding: 8px 18px;
  border-radius: 20px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.category-tab:hover {
  color: var(--primary);
}

.category-tab.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
}

/* ---------- Dish List / Grid ---------- */

.dish-list {
  padding: 8px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dish-card {
  display: flex;
  gap: 14px;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.dish-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.dish-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background var(--transition);
}

.dish-card:hover::before {
  background: var(--primary);
}

.dish-image {
  width: 104px;
  height: 104px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  background: var(--surface-alt);
}

.dish-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-out);
}

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

.badge-hot {
  position: absolute;
  top: 6px;
  left: 6px;
  background: rgba(239, 68, 68, 0.95);
  color: white;
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 10px;
  backdrop-filter: blur(4px);
}

.dish-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.dish-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.dish-tags {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.tag {
  background: var(--primary-bg-alt);
  color: var(--primary-dark);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}

.dish-desc {
  font-size: 12px;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: auto;
  line-height: 1.5;
}

.dish-sales {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 6px;
}

.dish-action {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  min-width: 64px;
  padding-top: 2px;
}

.dish-price {
  color: var(--primary);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.add-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-size: 22px;
  font-weight: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  box-shadow: 0 3px 10px rgba(255, 107, 53, 0.3);
}

.add-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 5px 16px rgba(255, 107, 53, 0.4);
}

.add-btn:active {
  transform: scale(0.92);
}

/* ---------- Quantity Control ---------- */

.qty-control {
  display: flex;
  align-items: center;
  gap: 6px;
}

.qty-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.qty-btn.minus {
  background: var(--primary-bg-alt);
  color: var(--primary);
}

.qty-btn.plus {
  background: var(--primary);
  color: white;
}

.qty-btn:hover {
  transform: scale(1.1);
}

.qty-btn:active {
  transform: scale(0.9);
}

.qty-num {
  min-width: 22px;
  text-align: center;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
}

/* ---------- Cart ---------- */

.cart-list {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cart-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
  animation: slideIn 0.3s var(--ease-out);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.cart-item-image {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--surface-alt);
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.cart-item-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-price {
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
}

.cart-item-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.cart-item-actions .qty-btn {
  width: 30px;
  height: 30px;
}

.remove-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 14px;
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.remove-btn:hover {
  background: #FEE2E2;
}

/* ---------- Cart Footer ---------- */

.cart-footer {
  position: fixed;
  bottom: 64px;
  left: 0;
  right: 0;
  max-width: 100%;
  background: var(--surface);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.06);
  z-index: 50;
  animation: slideUp 0.3s var(--ease-out);
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.cart-total {
  font-size: 14px;
  color: var(--text-secondary);
}

.cart-total .price {
  color: var(--primary);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.submit-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  padding: 12px 36px;
  border-radius: 26px;
  font-size: 16px;
  font-weight: 700;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}

.submit-btn:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 22px rgba(255, 107, 53, 0.45);
}

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

/* ---------- Empty State ---------- */

.empty-state {
  padding: 80px 20px;
  text-align: center;
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.6;
}

.empty-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.empty-hint {
  font-size: 13px;
  color: var(--text-light);
}

/* ---------- Orders ---------- */

.order-tabs {
  display: flex;
  gap: 8px;
  padding: 14px 16px 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.order-tabs::-webkit-scrollbar {
  display: none;
}

.order-tab {
  flex-shrink: 0;
  padding: 7px 16px;
  border-radius: 18px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.order-tab.active {
  background: var(--primary);
  color: white;
}

.orders-list {
  padding: 8px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.order-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  position: relative;
  transition: box-shadow var(--transition);
}

.order-card:hover {
  box-shadow: var(--shadow-md);
}

.order-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 10px;
}

.order-id {
  font-size: 13px;
  color: var(--text-light);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.order-status {
  font-size: 13px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 10px;
}

.order-customer {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.order-items {
  margin-bottom: 10px;
}

.order-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
  padding: 4px 0;
  font-size: 13px;
}

.order-item-name {
  color: var(--text);
}

.order-item-qty {
  color: var(--text-light);
  text-align: center;
}

.order-item-price {
  color: var(--text-secondary);
  text-align: right;
  font-weight: 500;
}

.order-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
  font-size: 13px;
}

.order-time {
  color: var(--text-light);
}

.order-total {
  font-weight: 600;
}

.order-total .price {
  color: var(--primary);
  font-size: 17px;
  font-weight: 800;
}

.status-btn {
  width: 100%;
  margin-top: 10px;
  padding: 10px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
}

.status-btn.success {
  background: var(--success);
}

.status-btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.order-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

.delete-btn {
  color: var(--text-light);
  font-size: 12px;
  padding: 4px 10px;
  transition: color var(--transition);
}

.delete-btn:hover {
  color: var(--danger);
}

/* ---------- Mine / Profile ---------- */

.profile-card {
  margin: 16px;
  padding: 24px 20px;
  background: linear-gradient(135deg, var(--primary-bg-alt), #FFE8D9);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 16px;
}

.profile-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  font-size: 28px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
}

.profile-info {
  flex: 1;
}

.profile-name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.role-tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.role-tag.customer {
  background: #DBEAFE;
  color: var(--info);
}

.role-tag.merchant {
  background: #FEF3C7;
  color: var(--warning);
}

.section {
  margin: 16px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.section-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-hint {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-light);
}

.role-switch {
  display: flex;
  gap: 10px;
}

.role-btn {
  flex: 1;
  padding: 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}

.role-btn.active {
  border-color: var(--primary);
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 700;
}

.name-input-wrap {
  display: flex;
  gap: 8px;
}

.name-input {
  flex: 1;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition);
}

.name-input:focus {
  border-color: var(--primary);
}

.name-save-btn {
  padding: 11px 18px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
}

.name-save-btn:hover {
  background: var(--primary-dark);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stat-card {
  text-align: center;
  padding: 18px 12px;
  background: var(--surface-alt);
  border-radius: var(--radius-sm);
}

.stat-num {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

.data-share {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.share-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
}

.share-btn:hover {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.share-btn.export {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

.share-desc {
  font-size: 11px;
  color: var(--text-light);
  font-weight: 400;
  margin-top: 4px;
}

.share-guide {
  margin-top: 14px;
  padding: 14px;
  background: var(--surface-alt);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.share-guide strong {
  color: var(--text);
}

.share-guide ol {
  padding-left: 20px;
  margin-top: 6px;
}

.share-guide li {
  margin-bottom: 3px;
}

.action-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.action-btn {
  padding: 12px 14px;
  background: #FEF2F2;
  color: var(--danger);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  transition: background var(--transition);
}

.action-btn:hover {
  background: #FEE2E2;
}

.app-footer {
  margin: 8px 16px 24px;
  padding: 20px;
  text-align: center;
  color: var(--text-light);
  font-size: 12px;
  line-height: 1.8;
}

/* ---------- Tab Bar (Mobile) ---------- */

.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  display: flex;
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 100;
  transition: transform 0.3s var(--ease-out);
}

.tab-bar__item {
  flex: 1;
  padding: 8px 4px;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: color var(--transition);
}

.tab-bar__icon {
  font-size: 22px;
  line-height: 1;
  transition: transform var(--transition);
}

.tab-bar__item.active .tab-bar__icon {
  transform: translateY(-2px) scale(1.1);
}

.tab-bar__label {
  font-size: 11px;
  color: var(--text-light);
  font-weight: 500;
}

.tab-bar__item.active .tab-bar__label {
  color: var(--primary);
  font-weight: 700;
}

.tab-bar__item.active {
  color: var(--primary);
}

/* ---------- Badge ---------- */

.badge {
  position: absolute;
  top: 2px;
  right: calc(50% - 20px);
  background: var(--danger);
  color: white;
  font-size: 10px;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  font-weight: 700;
  border: 2px solid var(--surface);
  animation: badgePop 0.3s var(--ease-out);
}

@keyframes badgePop {
  0% { transform: scale(0); }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  background: rgba(26, 26, 46, 0.88);
  color: white;
  padding: 12px 28px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  z-index: 9999;
  opacity: 0;
  transition: all 0.35s var(--ease-out);
  pointer-events: none;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg);
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* ============================================
   Responsive — Tablet / Desktop
   ============================================ */

@media (min-width: 768px) {
  :root {
    --header-h: 0px;
  }

  .sidebar {
    display: flex;
  }

  .tab-bar {
    display: none;
  }

  .main {
    padding-bottom: 0;
  }

  .page-header {
    padding: 36px 32px 22px;
    border-radius: 0;
  }

  .header-title {
    font-size: 32px;
  }

  .header-subtitle {
    font-size: 15px;
  }

  .category-tabs {
    padding: 20px 32px 12px;
  }

  .category-tab {
    padding: 9px 20px;
    font-size: 14px;
  }

  .dish-list {
    padding: 8px 32px 32px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .dish-card {
    padding: 14px;
  }

  .dish-image {
    width: 120px;
    height: 120px;
  }

  .dish-name {
    font-size: 17px;
  }

  .dish-price {
    font-size: 20px;
  }

  .cart-list {
    padding: 20px 32px;
    max-width: 720px;
  }

  .cart-footer {
    position: sticky;
    bottom: 0;
    left: var(--sidebar-w);
    right: 0;
    max-width: calc(100% - var(--sidebar-w));
    border-radius: 0;
  }

  .orders-list {
    padding: 8px 32px 32px;
    max-width: 720px;
  }

  .order-tabs {
    padding: 16px 32px 10px;
  }

  .profile-card {
    margin: 20px 32px;
    padding: 28px 24px;
  }

  .section {
    margin: 16px 32px;
    padding: 22px;
  }

  .app-footer {
    margin: 8px 32px 32px;
  }
}

@media (min-width: 1100px) {
  .dish-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .header-title {
    font-size: 36px;
  }
}

@media (min-width: 1400px) {
  .dish-list {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1200px;
  }
}

/* ---------- Scrollbar (Desktop) ---------- */

@media (min-width: 768px) {
  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  ::-webkit-scrollbar-track {
    background: var(--bg);
  }

  ::-webkit-scrollbar-thumb {
    background: #D4CFC8;
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #B8B2AA;
  }
}

/* ============================================
   Dish Detail Modal
   ============================================ */

.dish-image[data-detail],
.dish-info[data-detail] {
  cursor: pointer;
}

.dish-image[data-detail]:active {
  opacity: 0.85;
}

.detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: flex-end;
  justify-content: center;
}

.detail-overlay--active {
  display: flex;
}

.detail-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: fadeIn 0.25s var(--ease);
}

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

.detail-modal {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: 92vh;
  background: var(--surface);
  border-radius: 24px 24px 0 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUpModal 0.35s var(--ease-out);
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.2);
}

@keyframes slideUpModal {
  from {
    transform: translateY(100%);
    opacity: 0.5;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Hero Image */
.detail-hero {
  position: relative;
  width: 100%;
  height: 240px;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--surface-alt);
}

.detail-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, var(--surface), transparent);
  pointer-events: none;
}

.detail-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: white;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: all var(--transition);
}

.detail-close:hover {
  background: rgba(0, 0, 0, 0.7);
  transform: scale(1.1);
}

.detail-close:active {
  transform: scale(0.92);
}

.detail-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(239, 68, 68, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 14px;
  z-index: 2;
}

/* Body */
.detail-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 20px 20px;
}

.detail-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: -8px;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.detail-name {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.detail-price {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.detail-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

/* Meta Info */
.detail-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 20px;
  padding: 14px;
  background: var(--surface-alt);
  border-radius: var(--radius-sm);
}

.detail-meta__item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.detail-meta__icon {
  font-size: 16px;
  line-height: 1;
}

.detail-meta__label {
  font-weight: 500;
}

/* Sections */
.detail-section {
  margin-bottom: 20px;
}

.detail-section__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.detail-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Ingredients */
.detail-ingredients {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.detail-ingredient {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: var(--primary-bg-alt);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
}

/* Steps */
.detail-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.detail-step__num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-step__text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-top: 3px;
}

/* Tips */
.detail-tips {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  padding: 14px;
  background: #FFFBEB;
  border-left: 3px solid var(--warning);
  border-radius: 0 8px 8px 0;
}

/* Nutrition */
.detail-nutrition {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.detail-nutrition__item {
  text-align: center;
  padding: 14px 8px;
  background: var(--surface-alt);
  border-radius: var(--radius-sm);
}

.detail-nutrition__value {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.detail-nutrition__label {
  display: block;
  font-size: 11px;
  color: var(--text-light);
  margin-top: 4px;
}

/* Footer */
.detail-footer {
  flex-shrink: 0;
  padding: 14px 20px;
  padding-bottom: calc(14px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border-light);
  background: var(--surface);
  display: flex;
  gap: 12px;
  align-items: center;
}

.detail-qty {
  flex-shrink: 0;
}

.detail-qty .qty-btn {
  width: 34px;
  height: 34px;
}

.detail-footer__btn {
  flex: 1;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  padding: 14px;
  border-radius: 26px;
  font-size: 16px;
  font-weight: 700;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}

.detail-footer__btn:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 22px rgba(255, 107, 53, 0.45);
}

.detail-footer__btn:active {
  transform: scale(0.97);
}

/* Detail Modal — Desktop */
@media (min-width: 768px) {
  .detail-overlay {
    align-items: center;
    padding: 20px;
  }

  .detail-modal {
    border-radius: 24px;
    max-height: 88vh;
    max-width: 560px;
    animation: scaleIn 0.3s var(--ease-out);
  }

  @keyframes scaleIn {
    from {
      transform: scale(0.9);
      opacity: 0;
    }
    to {
      transform: scale(1);
      opacity: 1;
    }
  }

  .detail-hero {
    height: 280px;
  }

  .detail-name {
    font-size: 28px;
  }

  .detail-price {
    font-size: 30px;
  }

  .detail-meta {
    grid-template-columns: repeat(4, 1fr);
  }

  .detail-body {
    padding: 0 28px 28px;
  }

  .detail-footer {
    padding: 16px 28px;
  }
}

/* ============================================
   v3.0 — 实时同步 UI
   ============================================ */

/* 连接状态指示器 */
.conn-status {
  position: fixed;
  top: 12px;
  right: 12px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  z-index: 9999;
  transition: all 0.3s var(--ease);
}

.conn-status.connected {
  background: #22C55E;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2), 0 0 8px rgba(34, 197, 94, 0.4);
  animation: pulseGreen 2s ease-in-out infinite;
}

.conn-status.disconnected {
  background: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

@keyframes pulseGreen {
  0%, 100% { box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2), 0 0 8px rgba(34, 197, 94, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.1), 0 0 12px rgba(34, 197, 94, 0.3); }
}

/* 实时通知 */
.notification {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: var(--text);
  color: white;
  padding: 14px 24px;
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 90vw;
  opacity: 0;
  transition: all 0.4s var(--ease-out);
  font-size: 14px;
  line-height: 1.5;
}

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

.notif-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.notif-text {
  flex: 1;
}

/* 在线人数徽章 */
.online-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.2);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

/* 订单视图切换 */
.view-toggle {
  display: flex;
  gap: 0;
  padding: 12px 16px 8px;
}

.view-toggle__btn {
  flex: 1;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.view-toggle__btn:first-child {
  border-radius: 10px 0 0 10px;
  border-right: none;
}

.view-toggle__btn:last-child {
  border-radius: 0 10px 10px 0;
}

.view-toggle__btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* 高亮当前用户订单 */
.order-card--mine {
  border-left: 3px solid var(--primary);
  padding-left: 9px;
}

/* 商家订单管理样式增强 */
.status-btn {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  border-radius: 10px;
  background: var(--primary-bg-alt);
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
}

.status-btn:hover {
  background: var(--primary);
  color: white;
}

.status-btn.success {
  background: #DCFCE7;
  color: #16A34A;
}

.status-btn.success:hover {
  background: #22C55E;
  color: white;
}

/* 数据统计 - 多用户模式 */
.stats-grid--multi {
  grid-template-columns: repeat(3, 1fr);
}

/* 实时同步信息 */
.sync-info {
  margin-top: 8px;
}

.sync-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

.sync-status.online {
  background: #F0FDF4;
  color: #16A34A;
}

.sync-status.offline {
  background: #FEF2F2;
  color: #DC2626;
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.sync-status.online .sync-dot {
  background: #22C55E;
  animation: pulseGreen 2s ease-in-out infinite;
}

.sync-status.offline .sync-dot {
  background: #EF4444;
}

.sync-count {
  margin-left: auto;
  font-size: 12px;
  opacity: 0.8;
}

.sync-guide {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.sync-guide ol {
  padding-left: 20px;
  margin-top: 6px;
}

.sync-guide li {
  margin-bottom: 2px;
}