:root {
  --color-bg:      #f7f3ee;
  --color-surface: #fffbf7;
  --color-border:  #eadfd2;
  --color-primary: #92400e;
  --color-primary-h:#78350f;
  --color-accent:  #d97706;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger:  #ef4444;
  --color-text:    #1c1917;
  --color-muted:   #6b7280;
  --radius-sm:     8px;
  --radius:        12px;
  --radius-lg:     16px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.08);
  --shadow:        0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.12);
  --transition:    0.2s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; min-height: 100vh; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Segoe UI Emoji', 'Apple Color Emoji', 'Noto Color Emoji', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.fa, .fas, .far, .fa-solid { font-family: "Font Awesome 6 Free" !important; font-weight: 900; }
a { color: var(--color-primary); text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }

.app-shell { max-width: 430px; margin: 0 auto; min-height: 100vh; background: var(--color-bg); position: relative; padding-bottom: 130px; }

/* 顶部标题栏 */
.topbar {
  background: #fff7ed;
  padding: 16px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
}
.topbar-info h1 { font-size: 22px; color: var(--color-primary); font-weight: 700; }
.topbar-info h1 i { margin-right: 6px; color: var(--color-accent); }
.topbar-info p { font-size: 12px; color: var(--color-muted); line-height: 1.4; }
.topbar-badge {
  font-size: 12px; color: #166534; background: #dcfce7;
  padding: 4px 10px; border-radius: 999px; white-space: nowrap;
}
.topbar-clear {
  font-size: 12px; color: #9a3412; background: #ffedd5;
  padding: 4px 12px; border-radius: 999px; border: none;
  transition: var(--transition);
}
.topbar-clear:active { transform: scale(0.94); }

/* 分类标签 */
.cat-nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; gap: 8px; padding: 12px 16px;
  background: var(--color-bg); overflow-x: auto;
}
.cat-btn {
  flex-shrink: 0; border: 1px solid var(--color-border);
  background: #ffffff; color: var(--color-text);
  padding: 8px 18px; border-radius: 999px; font-size: 14px;
  transition: var(--transition);
}
.cat-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.cat-btn:active { transform: scale(0.96); }

/* 菜单列表 */
.menu-list { padding: 0 16px; }
.cat-title {
  font-size: 16px; font-weight: 700; color: var(--color-primary);
  margin: 20px 0 10px;
}
.menu-card {
  display: flex; gap: 12px; align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px; margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
}
.menu-pic {
  width: 72px; height: 72px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; color: #fff; flex-shrink: 0;
  overflow: hidden;
}
.menu-pic img { width: 100%; height: 100%; object-fit: cover; }
.pic-meat  { background: #b45309; }
.pic-veg   { background: #65a30d; }
.pic-drink { background: #0e7490; }
.menu-info { flex: 1; min-width: 0; }
.menu-info h3 { font-size: 16px; font-weight: 700; }
.menu-info p { font-size: 12px; color: var(--color-muted); line-height: 1.4; }
.menu-row { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; }
.menu-price { color: var(--color-primary); font-size: 18px; font-weight: 700; }
.menu-price small { font-size: 12px; font-weight: 400; color: var(--color-muted); }
.add-btn {
  width: 34px; height: 34px; border-radius: 50%;
  border: none; background: var(--color-accent); color: #fff;
  font-size: 14px; display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.add-btn:active { transform: scale(0.88); }

/* 购物车列表页 */
.cart-list { padding: 16px 16px 0; }
.cart-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px; margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
}
.cart-card-info { flex: 1; min-width: 0; }
.cart-card-info h3 { font-size: 15px; font-weight: 700; }
.cart-card-info p { font-size: 12px; color: var(--color-muted); }
.cart-card-sub { color: var(--color-primary); font-weight: 700; font-size: 15px; margin-top: 2px; }
.qty-group { display: flex; align-items: center; gap: 10px; }
.qty-btn {
  width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--color-border); background: #fff;
  color: var(--color-primary); font-size: 12px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.qty-btn:active { transform: scale(0.88); background: #fff7ed; }
.qty-num { min-width: 22px; text-align: center; font-weight: 700; font-size: 15px; }
.cart-del {
  border: none; background: none; color: var(--color-muted);
  font-size: 15px; padding: 6px;
}
.cart-del:active { color: var(--color-danger); }

/* 空购物车 */
.cart-empty {
  text-align: center; padding: 70px 20px;
  color: var(--color-muted);
}
.cart-empty i { font-size: 44px; color: #d6c7b2; }
.cart-empty p { margin: 12px 0 18px; font-size: 14px; }
.cart-empty-btn {
  display: inline-block; background: var(--color-primary); color: #fff;
  padding: 10px 28px; border-radius: 999px; font-size: 14px; font-weight: 700;
  transition: var(--transition);
}
.cart-empty-btn:active { transform: translateY(-1px); background: var(--color-primary-h); }

/* 悬浮购物车栏 */
.cart-bar {
  position: fixed; bottom: 76px; left: 50%; transform: translateX(-50%);
  width: calc(100% - 32px); max-width: 398px;
  background: var(--color-primary); color: #fff;
  border-radius: 999px; padding: 12px 18px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow-lg); z-index: 20;
}
.cart-bar-icon { position: relative; font-size: 20px; }
.cart-count {
  position: absolute; top: -8px; right: -10px;
  background: var(--color-danger); color: #fff;
  font-size: 11px; min-width: 18px; height: 18px;
  border-radius: 999px; display: flex; align-items: center; justify-content: center;
  font-style: normal; padding: 0 4px;
}
.cart-bar-total { font-size: 14px; }
.cart-bar-total b { font-size: 20px; }
.cart-bar-go { margin-left: auto; font-size: 14px; font-weight: 700; }

/* 底部 Tab */
.tabbar {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px; height: 60px;
  background: #ffffff; border-top: 1px solid var(--color-border);
  display: flex; z-index: 20;
}
.tab-item {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2px;
  color: var(--color-muted); font-size: 11px;
}
.tab-item i { font-size: 20px; }
.tab-item.active { color: var(--color-primary); font-weight: 700; }

/* 提示气泡 */
.toast {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: rgba(28, 25, 23, 0.85); color: #fff;
  padding: 10px 22px; border-radius: 999px; font-size: 14px;
  opacity: 0; pointer-events: none; transition: opacity 0.25s ease; z-index: 99;
}
.toast.show { opacity: 1; }

/* ===== 下单页 ===== */
.checkout-body { padding: 16px; }
.ck-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.ck-title {
  font-size: 15px; font-weight: 700; color: var(--color-primary);
  margin-bottom: 12px;
}
.ck-title i { margin-right: 6px; color: var(--color-accent); }
.ck-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px dashed var(--color-border);
  font-size: 14px;
}
.ck-item:last-of-type { border-bottom: none; }
.ck-item-name { color: var(--color-text); }
.ck-item-price { font-weight: 700; color: var(--color-primary); }
.ck-total-row {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 10px; margin-top: 6px;
  border-top: 1px solid var(--color-border);
  font-size: 13px; color: var(--color-muted);
}
.ck-total { color: var(--color-primary); font-size: 14px; }
.ck-total b { font-size: 20px; }
.ck-none { font-size: 14px; color: var(--color-muted); padding: 6px 0; }
.ck-field { margin-bottom: 14px; }
.ck-field label {
  display: block; font-size: 13px; font-weight: 700;
  margin-bottom: 6px; color: var(--color-text);
}
.ck-field input,
.ck-field select,
.ck-field textarea {
  width: 100%; padding: 11px 14px;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: #ffffff; font-size: 15px; color: var(--color-text);
  transition: var(--transition); font-family: inherit;
}
.ck-field input:focus,
.ck-field select:focus,
.ck-field textarea:focus {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.12);
}
.ck-field input::placeholder { color: #9ca3af; }
.ck-error {
  color: var(--color-danger); font-size: 13px;
  min-height: 20px; margin-bottom: 8px;
}
.ck-submit {
  width: 100%; border: none;
  background: var(--color-primary); color: #fff;
  padding: 14px 0; border-radius: 999px;
  font-size: 16px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.ck-submit:active { transform: translateY(-1px); background: var(--color-primary-h); }
.ck-submit:disabled { opacity: 0.6; transform: none; }
.ck-back {
  display: block; text-align: center;
  margin-top: 14px; font-size: 13px; color: var(--color-muted);
}

/* ===== 订单成功页 ===== */
.success-body { padding: 40px 20px 20px; text-align: center; }
.success-icon { font-size: 64px; color: var(--color-success); margin-bottom: 14px; }
.success-body h1 { font-size: 24px; font-weight: 700; color: var(--color-primary); }
.success-tip { font-size: 14px; color: var(--color-muted); margin: 8px 0 24px; }
.success-card { text-align: left; }
.success-note {
  font-size: 13px; color: var(--color-muted); margin: 4px 0 20px;
}
.success-note i { margin-right: 4px; color: var(--color-accent); }

/* ===== 后台管理页 ===== */
.admin-body { padding: 16px; }
.admin-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.admin-grid .ck-field { grid-column: span 2; margin-bottom: 10px; }
.admin-stat-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  margin-bottom: 16px;
}
.admin-stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center; padding: 12px 6px;
  box-shadow: var(--shadow-sm);
}
.admin-stat b { display: block; font-size: 20px; color: var(--color-primary); }
.admin-stat span { font-size: 12px; color: var(--color-muted); }
.admin-row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 0; border-bottom: 1px dashed var(--color-border);
  font-size: 14px;
}
.admin-row:last-of-type { border-bottom: none; }
.admin-row-main { flex: 1; min-width: 0; }
.admin-row-main h4 { font-size: 14px; font-weight: 700; }
.admin-row-main p { font-size: 12px; color: var(--color-muted); }
.admin-row-actions { display: flex; gap: 6px; flex-shrink: 0; }
.admin-btn {
  border: 1px solid var(--color-border); background: #fff;
  color: var(--color-primary); font-size: 12px;
  padding: 6px 12px; border-radius: 999px;
  transition: var(--transition);
}
.admin-btn:active { transform: scale(0.94); background: #fff7ed; }
.admin-btn.danger { color: var(--color-danger); border-color: #fecaca; }
.admin-btn.primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.admin-btn.off { opacity: 0.5; text-decoration: line-through; }
.admin-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 999px; white-space: nowrap;
}
.admin-tag.ok  { color: #166534; background: #dcfce7; }
.admin-tag.new { color: #9a3412; background: #ffedd5; }
.admin-tag.off { color: #6b7280; background: #f3f4f6; }
.admin-login { max-width: 340px; margin: 60px auto 0; }
.admin-login .ck-submit { margin-top: 6px; }
.admin-hint { font-size: 12px; color: var(--color-muted); margin-top: 10px; text-align: center; }

/* 弹窗 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: none; align-items: center; justify-content: center;
  z-index: 50; padding: 24px;
}
.modal-mask.show { display: flex; }
.modal-box {
  background: var(--color-surface); border-radius: var(--radius-lg);
  width: 100%; max-width: 380px; padding: 20px;
  box-shadow: var(--shadow-lg); max-height: 80vh; overflow-y: auto;
}
.modal-box h3 { font-size: 16px; font-weight: 700; color: var(--color-primary); margin-bottom: 14px; }
.modal-actions { display: flex; gap: 10px; margin-top: 16px; }
.modal-actions .ck-submit { flex: 1; padding: 12px 0; }
.modal-actions .admin-btn { flex: 1; padding: 12px 0; text-align: center; }