/* =====================================================================
   HALUO PREMIUM BRAND LAYER v4 — 全面精修版 (修復自動上滑 Bug / Sticky / 對齊)
   ===================================================================== */
:root {
  --primary: #b42318;
  --primary-hover: #912018;
  --primary-light: #fef3f2;
  --primary-border: #fecdca;
  --ink: #101828;
  --ink-2: #344054;
  --ink-3: #667085;
  --line: #eaecf0;
  --surface: #ffffff;
  --canvas: #f6f5f3;
  --text-main: #101828;
  --text-muted: #667085;
  --border: #eaecf0;
  --bg-page: #f6f5f3;
}
* { font-family: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'PingFang TC', sans-serif; }
html { scroll-behavior: auto; }
body {
  background: var(--canvas) !important;
  color: var(--ink);
  font-feature-settings: 'tnum' 1;
  padding: 0 !important;
  overflow-x: clip;
}
/* 重要：不可在 .app-viewport 使用 overflow: hidden，否則會破壞 position: sticky 並造成 iOS 自動回彈 */
.app-viewport {
  max-width: 1120px;
  box-shadow: none;
  background: transparent;
  overflow: visible !important;
}

/* ---------- Hero ---------- */
.store-hero-wrap { height: 220px; background: #1a0505; position: relative; overflow: hidden; }
@media (min-width: 641px) { .store-hero-wrap { height: 320px; border-radius: 0 0 20px 20px; } }
.store-hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center 38%; }
.store-hero-mask {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(16,24,40,0.15) 0%, rgba(16,24,40,0.62) 65%, rgba(16,24,40,0.92) 100%);
}
.hero-brand-overlay { position: absolute; left: 18px; right: 18px; bottom: 38px; z-index: 5; color: #fff; }
.hero-brand-flex { display: flex; align-items: center; gap: 12px; }
.hero-brand-avatar {
  width: 54px; height: 54px; border-radius: 50%; object-fit: cover; flex-shrink: 0;
  border: 2px solid rgba(255,255,255,0.92); box-shadow: 0 4px 14px rgba(0,0,0,0.45);
  background: #c81e1e;
}
.hero-eyebrow { font-size: 10.5px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; opacity: .85; margin-bottom: 4px; }
.hero-title { font-size: 26px; font-weight: 900; letter-spacing: .5px; line-height: 1.15; text-shadow: 0 2px 8px rgba(0,0,0,0.35); }
.hero-sub { margin-top: 4px; font-size: 12.5px; opacity: .92; font-weight: 500; }
@media (min-width: 641px) {
  .hero-title { font-size: 40px; }
  .hero-brand-overlay { left: 44px; bottom: 60px; }
  .hero-brand-avatar { width: 68px; height: 68px; }
}
.store-card-avatar {
  width: 34px; height: 34px; border-radius: 50%; object-fit: cover; flex-shrink: 0;
  border: 1.5px solid var(--primary-border); box-shadow: 0 2px 6px rgba(180,35,24,0.18);
}
.btn-banner-history {
  top: 14px !important; right: 14px !important;
  background: rgba(16, 24, 40, 0.55) !important;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.32) !important;
  border-radius: 999px !important; padding: 6px 14px !important; font-weight: 700 !important;
}

/* ---------- Floating store card ---------- */
.store-summary-card {
  position: relative; z-index: 6;
  margin: -24px 14px 0; padding: 18px 16px;
  background: var(--surface);
  border: 1px solid var(--line) !important;
  border-radius: 16px;
  box-shadow: 0 12px 28px -10px rgba(16,24,40,.16);
}
@media (min-width: 641px) { .store-summary-card { margin: -44px 40px 0; padding: 26px 28px; } }
.store-title-row { margin-bottom: 12px !important; }
.store-title { font-size: 19px !important; font-weight: 800 !important; color: var(--ink) !important; }
.store-badge-open {
  background: #ecfdf3 !important; color: #067647 !important; border: 1px solid #abefc6 !important;
  border-radius: 999px !important; padding: 4px 11px !important; font-size: 12px !important; font-weight: 700 !important;
  transition: all 0.2s ease;
}
.store-badge-open.status-paused {
  background: #fef3f2 !important; color: #b42318 !important; border-color: #fecdca !important;
}
.store-badge-open.status-closed {
  background: #f2f4f7 !important; color: #475467 !important; border-color: #d0d5dd !important;
}
.store-meta-grid { display: grid; grid-template-columns: 1fr; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
@media (min-width: 641px) { .store-meta-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; } }
.meta-item { display: flex; gap: 10px; align-items: center; }
.meta-icon {
  width: 34px; height: 34px; flex-shrink: 0; border-radius: 9px;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.meta-label { font-size: 11px; color: var(--ink-3); font-weight: 600; }
.meta-value { font-size: 13.5px; color: var(--ink); font-weight: 700; margin-top: 1px; }
.meta-value a { color: var(--ink); text-decoration: none; }
.store-notice-pill {
  margin-top: 12px !important; background: #fffaeb !important; border: 1px solid #fedf89 !important;
  color: #93370d !important; border-radius: 10px !important; padding: 9px 12px !important;
  font-size: 12px !important; font-weight: 600 !important; display: flex !important; align-items: center; gap: 8px;
}

/* ---------- Fulfillment 50/50 Grid (到店取餐 vs 熊貓外送) ---------- */
.fulfillment-switch-row {
  margin-top: 16px !important;
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 10px !important;
  width: 100% !important;
}
.fulfillment-btn {
  min-width: 0 !important;
  width: 100% !important;
  border-radius: 12px !important;
  border: 1.5px solid var(--line) !important;
  background: #fff !important;
  padding: 12px 10px !important;
  gap: 8px !important;
  box-shadow: none !important;
  transition: all .15s ease;
  display: flex !important;
  align-items: center !important;
  position: relative !important;
}
@media (min-width: 641px) {
  .fulfillment-btn { padding: 14px 16px !important; gap: 12px !important; }
}
.fulfillment-btn.active {
  border-color: var(--primary) !important;
  background: var(--primary-light) !important;
  box-shadow: 0 0 0 2px rgba(180,35,24,.08) !important;
}
.fulfillment-btn.panda {
  border-color: #fbcfe8 !important;
  background: #fff5f8 !important;
}
.fulfillment-icon {
  width: 34px !important; height: 34px !important; border-radius: 9px;
  display: flex !important; align-items: center; justify-content: center;
  background: #f2f4f7; color: var(--ink-2); flex-shrink: 0 !important;
}
@media (min-width: 641px) {
  .fulfillment-icon { width: 42px !important; height: 42px !important; }
}
.fulfillment-btn.active .fulfillment-icon { background: var(--primary); color: #fff; }
.fulfillment-btn.panda .fulfillment-icon { background: #fce7f3; color: #d70f64; }
.fulfillment-info {
  flex: 1 1 0% !important;
  min-width: 0 !important;
  overflow: hidden !important;
}
.fulfillment-main {
  font-size: 14px !important;
  font-weight: 800 !important;
  color: var(--ink) !important;
  line-height: 1.25 !important;
  white-space: nowrap !important;
}
.fulfillment-sub {
  font-size: 11px !important;
  color: var(--ink-3) !important;
  margin-top: 2px !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
}
.fulfillment-badge-free, .fulfillment-badge-panda {
  font-size: 10px !important;
  font-weight: 700 !important;
  letter-spacing: .3px;
  border-radius: 999px !important;
  padding: 2px 8px !important;
  color: #fff !important;
  top: -9px !important;
  right: 8px !important;
}
.fulfillment-badge-free { background: var(--primary) !important; }
.fulfillment-badge-panda { background: #d70f64 !important; }

/* ---------- Sticky Search + Category Tabs (解決間距與對齊問題) ---------- */
.menu-sticky-bar {
  position: sticky !important;
  top: 0 !important;
  z-index: 40 !important;
  margin-top: 14px !important;
  background: rgba(246, 245, 243, 0.96) !important;
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line) !important;
  box-shadow: 0 2px 8px rgba(16, 24, 40, 0.04) !important;
  padding: 10px 14px 0 !important;
}
@media (min-width: 641px) { .menu-sticky-bar { padding: 12px 40px 0 !important; } }

.search-box {
  padding: 0 0 6px 0 !important;
}
.search-input {
  width: 100% !important;
  height: 40px !important;
  border-radius: 10px !important;
  border: 1px solid #d0d5dd !important;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23667085' stroke-width='2.2' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E") no-repeat 12px center !important;
  padding: 0 14px 0 38px !important;
  font-size: 13.5px !important;
  box-shadow: 0 1px 2px rgba(16,24,40,.03);
}
.search-input:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(180,35,24,.1) !important;
  outline: none;
}

.category-scroll-tabs {
  display: flex !important;
  overflow-x: auto !important;
  gap: 4px !important;
  padding: 2px 0 0 !important;
  margin: 0 !important;
  scrollbar-width: none;
}
.category-scroll-tabs::-webkit-scrollbar { display: none; }

.cat-tab-btn {
  background: transparent !important;
  border: none !important;
  border-bottom: 2.5px solid transparent !important;
  border-radius: 0 !important;
  color: var(--ink-3) !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  padding: 7px 10px 9px !important;
  box-shadow: none !important;
  flex-shrink: 0 !important;
}
.cat-tab-btn:first-child {
  padding-left: 2px !important;
}
.cat-tab-btn.active {
  color: var(--primary) !important;
  border-bottom-color: var(--primary) !important;
  font-weight: 800 !important;
}

/* ---------- Products & Category Section Header ---------- */
.menu-products-container {
  padding: 4px 14px 20px !important;
  background: transparent !important;
}
@media (min-width: 641px) {
  .menu-products-container { padding: 8px 40px 28px !important; }
  #seoGuideBlock { margin: 8px 40px 120px !important; }
}

.category-section-title {
  font-size: 16px !important;
  font-weight: 800 !important;
  color: var(--ink) !important;
  margin: 18px 0 10px !important;
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  width: 100%;
}
#menuProductsList > div:first-child .category-section-title {
  margin-top: 8px !important;
}
.category-section-title::before {
  content: '';
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--primary);
}

@media (min-width: 760px) {
  .menu-products-container .food-card { display: inline-flex !important; width: calc(50% - 7px) !important; vertical-align: top; }
  .menu-products-container .food-card:nth-of-type(odd) { margin-right: 10px !important; }
}
.food-card {
  background: #fff !important;
  border: 1px solid var(--line) !important;
  border-radius: 14px !important;
  padding: 12px !important;
  margin-bottom: 10px !important;
  box-shadow: 0 1px 2px rgba(16,24,40,.04) !important;
  transition: box-shadow .18s ease, border-color .18s ease;
  gap: 12px !important;
}
.food-card-img-wrap {
  width: 96px !important;
  height: 96px !important;
  border-radius: 10px !important;
  overflow: hidden;
  flex-shrink: 0;
  background: #f2f4f7;
  position: relative;
}
.food-card-img { width: 100%; height: 100%; object-fit: cover; }
.food-card-name { font-size: 15px !important; font-weight: 700 !important; color: var(--ink) !important; line-height: 1.35 !important; }
.food-card-desc { font-size: 12px !important; color: var(--ink-3) !important; line-height: 1.45 !important; margin-top: 3px; }
.food-card-price { font-size: 16.5px !important; font-weight: 800 !important; color: var(--ink) !important; }
.food-card-price span { font-size: 11.5px !important; color: var(--ink-3) !important; font-weight: 600 !important; margin-right: 2px; }
.food-card-view-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: #f2f4f7;
  color: var(--ink-2);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.food-card.sold-out {
  opacity: 0.72;
  background: #fafafa !important;
}
.food-card-soldout-badge {
  position: absolute;
  inset: 0;
  background: rgba(16, 24, 40, 0.52);
  color: #fff;
  font-size: 12.5px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.5px;
  backdrop-filter: blur(1.5px);
}
.food-card-view-tag.sold-out-tag {
  background: #fef3f2 !important;
  color: #b42318 !important;
  border: 1px solid #fecdca;
}
.option-chip.sold-out-chip {
  opacity: 0.55;
  background: #f9fafb !important;
  border-color: #e4e7ec !important;
  text-decoration: line-through;
}
.opt-soldout-label {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 800;
  color: #b42318;
  background: #fef3f2;
  border: 1px solid #fecdca;
  border-radius: 4px;
  padding: 0 4px;
  margin-left: 4px;
  text-decoration: none !important;
}

/* ---------- Spec Modal Zoomable Thumbnail ---------- */
.spec-thumb-zoom-wrap {
  position: relative;
  width: 84px;
  height: 84px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  cursor: zoom-in;
  border: 1px solid var(--line);
  background: #f2f4f7;
}
.spec-thumb-zoom-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.spec-zoom-hint {
  position: absolute;
  right: 4px;
  bottom: 4px;
  background: rgba(16, 24, 40, 0.75);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 6px;
  pointer-events: none;
}

/* ---------- Full-Screen Image Lightbox Modal ---------- */
.img-lightbox-mask {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 22, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2500;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.img-lightbox-mask.active { display: flex; }
.img-lightbox-card {
  position: relative;
  max-width: 92vw;
  width: 440px;
  background: #ffffff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.55);
}
.img-lightbox-pic {
  width: 100%;
  max-height: 68vh;
  object-fit: cover;
  display: block;
  background: #101828;
}
.img-lightbox-caption {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
}
.img-lightbox-title { font-size: 16px; font-weight: 800; color: var(--ink); }
.img-lightbox-price { font-size: 17px; font-weight: 900; color: var(--primary); }
.img-lightbox-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(16, 24, 40, 0.65);
  color: #ffffff;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Hardware & LINE Locked Badge ---------- */
.lock-shield-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #065f46;
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ---------- Floating Dual-Platform Dock ---------- */
.cart-float-bar {
  left: 50% !important;
  right: auto !important;
  transform: translateX(-50%);
  width: calc(100% - 28px) !important;
  max-width: 520px !important;
  height: auto !important;
  bottom: max(14px, env(safe-area-inset-bottom)) !important;
  background: rgba(16, 24, 40, 0.94) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  border-radius: 16px !important;
  padding: 8px !important;
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 8px !important;
  box-shadow: 0 16px 36px -8px rgba(16, 24, 40, 0.45) !important;
}
.dock-action-btn {
  height: 48px !important;
  border-radius: 11px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 7px !important;
  font-size: 14px !important;
  font-weight: 800 !important;
  color: #ffffff !important;
  text-decoration: none !important;
  white-space: nowrap !important;
  padding: 0 10px !important;
  transition: transform 0.12s ease, filter 0.12s ease;
}
.dock-action-btn:active {
  transform: scale(0.98);
}
.dock-btn-qc {
  background: #06c755 !important;
}
.dock-btn-panda {
  background: #d70f64 !important;
}

/* ---------- Sheets / forms ---------- */
.modal-sheet {
  border-radius: 20px 20px 0 0 !important;
  max-height: 86vh !important;
  max-height: 86dvh !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
}
@media (min-width: 641px) { .modal-sheet { max-width: 560px !important; margin: 0 auto !important; } }
.sheet-header {
  border-bottom: 1px solid var(--line) !important;
  padding: 16px 20px !important;
  flex: 0 0 auto !important;
  background: #ffffff !important;
}
.sheet-body {
  flex: 1 1 auto !important;
  min-height: 0 !important;
  max-height: calc(86vh - 170px) !important;
  max-height: calc(86dvh - 170px) !important;
  overflow-y: auto !important;
  overscroll-behavior: contain !important;
  -webkit-overflow-scrolling: touch !important;
  padding: 16px 20px 24px !important;
}
.sheet-title { font-size: 17px !important; font-weight: 800 !important; color: var(--ink) !important; }
.sheet-close-btn { background: #f2f4f7 !important; border-radius: 999px !important; }
.sheet-footer {
  border-top: 1px solid var(--line) !important;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom)) !important;
  flex: 0 0 auto !important;
  background: #ffffff !important;
}
.sheet-footer.spec-dual-footer {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 10px !important;
}
.btn-sheet-submit { background: var(--primary) !important; border-radius: 12px !important; height: 48px !important; font-weight: 800 !important; font-size: 15px !important; box-shadow: none !important; }
.option-group-title { font-size: 14px !important; font-weight: 800 !important; color: var(--ink) !important; }
.option-chip { border-radius: 10px !important; border: 1.5px solid var(--line) !important; background: #fff !important; color: var(--ink-2) !important; font-weight: 600 !important; box-shadow: none !important; }
.option-chip.readonly-tag { cursor: default !important; background: #f8fafc !important; border: 1px solid #e4e7ec !important; color: var(--ink-2) !important; padding: 7px 13px !important; }
.option-chip.selected { border-color: var(--primary) !important; background: var(--primary-light) !important; color: var(--primary) !important; font-weight: 800 !important; }
.form-field-label { font-size: 13px !important; font-weight: 700 !important; color: var(--ink-2) !important; }
.form-field-input, .form-field-select, .form-field-textarea { border-radius: 10px !important; border: 1px solid #d0d5dd !important; font-size: 14.5px !important; }

/* ---------- Tracking ---------- */
#orderTrackingView { max-width: 640px; margin: 0 auto; }
.qc-section-card, .qc-order-head-card { border-radius: 16px !important; border: 1px solid var(--line) !important; box-shadow: 0 1px 2px rgba(16,24,40,.04) !important; }
.qc-step-pill.active { background: var(--primary) !important; border-color: var(--primary) !important; color: #fff !important; }
.btn-qc-action.primary { background: var(--primary) !important; border-color: var(--primary) !important; color: #fff !important; }