:root {
  --c-bg: #f6f5f3;
  --c-card: #ffffff;
  --c-border: #e8e4df;
  --c-text: #26221e;
  --c-muted: #8a827a;
  --c-primary: #c0492c;
  --c-primary-d: #a03a20;
  --c-ok: #2e7d4f;
  --tap: 44px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }

html, body { margin: 0; }
body.app {
  font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, -apple-system, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.5;
  padding-bottom: 76px;
  min-height: 100vh;
}

.app-top {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  background: var(--c-primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,.08);
}
.app-top .name { font-size: 18px; font-weight: 700; }
.app-top .desc { font-size: 12px; opacity: .85; }
.app-top .table-badge {
  background: rgba(255,255,255,.2);
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.app-main { max-width: 640px; margin: 0 auto; padding: 16px 14px 20px; }

.page-title { font-size: 20px; margin: 4px 0 16px; }

/* 搜尋框 */
.menu-search { margin-bottom: 10px; }
.menu-search input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  background: var(--c-card);
}
.menu-status { text-align: center; color: var(--c-muted); font-size: 13px; padding: 14px 0; }
.menu-sentinel { height: 1px; }
.empty-menu { list-style: none; text-align: center; color: var(--c-muted); padding: 40px 0; }

/* 分類 tabs */
.cat-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.cat-tabs::-webkit-scrollbar { display: none; }
.cat-tab {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--c-border);
  color: var(--c-text);
  text-decoration: none;
  font-size: 14px;
}
.cat-tab.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 600; }

/* 商品列表 */
.product-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.product {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: 14px;
  padding: 14px;
}
.product .p-info { flex: 1; min-width: 0; }
.p-name { font-weight: 600; font-size: 15px; }
.p-desc { color: var(--c-muted); font-size: 12px; margin-top: 2px; }
.p-price { color: var(--c-primary); font-weight: 700; margin-top: 4px; }
.p-actions { display: flex; align-items: center; gap: 10px; }
.qty-btn {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--c-primary);
  background: #fff;
  color: var(--c-primary);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qty-btn.plus { background: var(--c-primary); color: #fff; }
.qty-btn.minus { border-color: var(--c-border); color: var(--c-muted); }
.qty-num { min-width: 22px; text-align: center; font-weight: 700; font-size: 16px; }

/* 購物車列表 */
.cart-list { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.cart-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: 14px;
  padding: 12px 14px;
}
.ci-info { flex: 1; min-width: 0; }
.ci-name { font-weight: 600; font-size: 14px; }
.ci-price { color: var(--c-muted); font-size: 12px; }
.ci-actions { display: flex; align-items: center; gap: 8px; }
.ci-sub { min-width: 60px; text-align: right; font-weight: 700; color: var(--c-primary); }

/* 摘要 */
.summary { background: var(--c-card); border: 1px solid var(--c-border); border-radius: 14px; padding: 14px; margin-bottom: 16px; }
.card-plain { padding: 14px; }
.summary .row, .row { display: flex; justify-content: space-between; padding: 6px 0; }
.row.total { border-top: 1px dashed var(--c-border); margin-top: 6px; padding-top: 10px; font-size: 17px; font-weight: 700; color: var(--c-primary); }
.mini-items { list-style: none; margin: 0; padding: 0; }
.mini-items li { display: flex; justify-content: space-between; padding: 5px 0; font-size: 14px; }

/* 結帳 */
.checkout-form { display: flex; flex-direction: column; gap: 12px; }
.field { font-size: 14px; color: var(--c-muted); display: flex; flex-direction: column; gap: 6px; }
.field input, .checkout-form input[type=text] {
  padding: 12px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
}
.pay-option {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
}
.pay-option input { width: 20px; height: 20px; accent-color: var(--c-primary); }

/* 訂單卡 */
.order-card { background: var(--c-card); border: 1px solid var(--c-border); border-radius: 14px; padding: 16px; }
.order-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.order-no { font-weight: 700; font-size: 16px; }
.order-meta { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0; font-size: 13px; color: var(--c-muted); }
.status-pill { padding: 4px 12px; border-radius: 20px; font-size: 13px; font-weight: 600; }
.status-pending { background: #fdf0d5; color: #93690f; }
.status-confirmed { background: #e2f0e7; color: var(--c-ok); }
.status-served { background: #e3edfb; color: #2b5fa8; }
.status-paid { background: #e2f0e7; color: var(--c-ok); }
.status-cancelled { background: #f6e0dd; color: #c0392b; }
.pay-paid { color: var(--c-ok); }
.pay-unpaid { color: #93690f; }
.pay-failed { color: #c0392b; }
.banner-ok { background: #e2f0e7; color: var(--c-ok); padding: 12px 16px; border-radius: 12px; margin-bottom: 14px; font-weight: 600; text-align: center; }
.banner-info { background: #e3edfb; color: #2b5fa8; padding: 12px 16px; border-radius: 12px; margin-bottom: 14px; font-weight: 600; text-align: center; }
.round-head { margin: 14px 0 6px; font-size: 13px; font-weight: 700; color: var(--c-muted); }
.takeout-card { background: var(--c-primary); color: #fff; border-radius: 16px; padding: 20px; text-align: center; margin-bottom: 16px; }
.takeout-card .muted { color: rgba(255,255,255,.85); }
.takeout-no { font-size: 44px; font-weight: 800; letter-spacing: 2px; line-height: 1.1; margin: 6px 0; }

/* 底部按鈕列 */
.cart-bar { position: fixed; left: 0; right: 0; bottom: 0; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: linear-gradient(180deg, rgba(246,245,243,0), var(--c-bg) 40%); z-index: 20; }
.cart-bar.static { position: static; background: none; padding: 0; margin-top: 16px; }
.cart-bar-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  background: var(--c-primary);
  color: #fff;
  border: none;
  border-radius: 14px;
  padding: 15px 18px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(192,73,44,.3);
}
.cart-bar-btn .cb-left { flex: 1; }
.cart-bar-btn .cb-total { font-weight: 700; }
.cart-bar-btn .cb-go { border-left: 1px solid rgba(255,255,255,.4); padding-left: 12px; }
.cart-bar-btn.submit-btn { justify-content: center; }

/* 分頁列 */
.app-tabbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  display: flex;
  background: var(--c-card);
  border-top: 1px solid var(--c-border);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 15;
}
.app-tabbar a {
  flex: 1;
  text-align: center;
  padding: 8px 0 10px;
  text-decoration: none;
  color: var(--c-muted);
  font-size: 11px;
  position: relative;
}
.app-tabbar a.active { color: var(--c-primary); font-weight: 600; }
.app-tabbar .ic { display: block; font-size: 20px; margin-bottom: 2px; }
.app-tabbar .dot {
  position: absolute;
  top: 4px;
  left: 50%;
  margin-left: 6px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 10px;
  font-size: 10px;
  padding: 0 6px;
  min-width: 16px;
}

/* 掃碼頁 */
.scan-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.scan-box { text-align: center; background: var(--c-card); border: 1px solid var(--c-border); border-radius: 18px; padding: 40px 28px; max-width: 360px; width: 100%; }
.scan-logo { font-size: 56px; margin-bottom: 12px; }
.scan-box h1 { font-size: 22px; margin: 0 0 10px; }
.scan-hint { color: var(--c-muted); font-size: 15px; }
.scan-error { color: #c0392b; font-size: 15px; }

.empty { text-align: center; color: var(--c-muted); padding: 40px 0; }
.empty a { color: var(--c-primary); }
.muted { color: var(--c-muted); }
.small { font-size: 12px; }
.center { text-align: center; }
.mt { margin-top: 12px; }
.btn.block { display: block; width: 100%; text-align: center; margin-top: 10px; }
.btn { display: inline-block; padding: 12px; border: 1px solid var(--c-border); border-radius: 12px; background: #fff; color: var(--c-text); text-decoration: none; cursor: pointer; font-size: 15px; font-family: inherit; }
.btn.primary { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 600; }