/* ============================================================
   polish.css — UIUX-100 改善層
   套用到前後台。在 admin.css / site.css 之後載入，依後者覆蓋。
   每個 selector 後 /* #N */ 對應 UIUX-100.md 的編號
   ============================================================ */

/* === Tokens 補強 === */
:root {
  --sh-1: 0 1px 2px rgba(16,48,86,.04);                /* #34 */
  --sh-2: 0 4px 12px -4px rgba(16,48,86,.08);
  --sh-3: 0 20px 40px -16px rgba(16,48,86,.18);
  --r-sm: 6px;                                          /* #35 */
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --c-success: #2BA86C;
  --c-warn: #E7A52E;
  --c-danger: #DC3545;
  --c-text-soft: #5B6473;                               /* #12 提亮 contrast */
}

/* === A · Accessibility === */

/* #1 統一 focus ring */
*:focus { outline: none; }
*:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
  border-radius: 4px;
}
input:focus-visible, textarea:focus-visible, select:focus-visible,
.wj-select-trigger:focus-visible, .wj-date-trigger:focus-visible {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(16,48,86,.12);
}

/* #4 skip link */
.skip-link {
  position: fixed; top: -100px; left: 12px;
  background: var(--c-primary); color: #fff;
  padding: 10px 18px; border-radius: var(--r-md);
  font-size: 14px; font-weight: 600;
  z-index: 9999;
  transition: top .2s;
}
.skip-link:focus, .skip-link:focus-visible { top: 12px; }

/* === B · Mobile / Touch === */

/* #16 所有按鈕最小 44 高 */
.btn, .header-login, .filter-chip, .filter-btn, .wj-select-trigger, .wj-date-trigger {
  min-height: 44px;
}
.btn-sm { min-height: 36px; }   /* table 內 sm 才允許小 */

/* #18 漢堡 44×44 */
.hamburger { min-width: 44px; min-height: 44px; }

/* #19 hero 字句 balance */
.hero-title, .section-title, .branch-title, .page-hero h1 { text-wrap: balance; }

/* #20 safe-area-inset */
.float-cta, .mobile-cta-bar { padding-bottom: calc(0px + env(safe-area-inset-bottom)); }

/* #23 mobile：scenes nav 永遠隱藏，dots 加大 */
@media (max-width: 720px) {
  .scenes-nav { display: none !important; }
  .scenes-dot { width: 24px; height: 5px; }
  .scenes-dot.is-active { width: 36px; }
}

/* #25 input 16px 防 iOS 縮放 */
@media (max-width: 720px) {
  input, textarea, select { font-size: 16px !important; }
}

/* === C · 視覺層級 / 排版 === */

/* #28 卡 hover 改小 */
.p-card:hover, .news-card:hover { transform: translateY(-3px); }

/* #29 空狀態元件 */
.empty-state {
  text-align: center; padding: 60px 24px;
  color: var(--c-text-soft);
}
.empty-state-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--c-bg-soft, var(--c-bg)); color: var(--c-primary);
  font-size: 32px; margin-bottom: 18px;
}
.empty-state-title { font-size: 18px; color: var(--c-primary); margin: 0 0 8px; font-weight: 700; }
.empty-state-desc  { font-size: 14.5px; margin-bottom: 18px; }

/* #30 載入 skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--c-border) 0%, var(--c-divider, var(--c-border)) 50%, var(--c-border) 100%);
  background-size: 200% 100%;
  animation: skeletonShimmer 1.4s linear infinite;
  border-radius: var(--r-sm);
  color: transparent;
}
@keyframes skeletonShimmer { 0% { background-position: 200% 0 } 100% { background-position: -200% 0 } }

/* #31 數字 tabular */
.stat-num, .points-num, .p-price, .r-pts, td code, .badge-num {
  font-variant-numeric: tabular-nums;
}

/* === D · 表單 === */

/* #36 / #37 inline validation */
input:user-invalid, textarea:user-invalid, select:user-invalid {
  border-color: var(--c-danger);
  box-shadow: 0 0 0 3px rgba(220,53,69,.10);
}
input:user-valid:not(:placeholder-shown),
textarea:user-valid:not(:placeholder-shown) {
  border-color: var(--c-success);
}

/* #44 隱藏 number spinner */
input[type="number"] { -moz-appearance: textfield; }
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* #45 submit loading */
.btn.is-loading {
  position: relative; color: transparent !important; pointer-events: none;
}
.btn.is-loading::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  width: 18px; height: 18px;
  border: 2.5px solid currentColor; border-top-color: transparent;
  border-radius: 50%; color: #fff;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* #46 disabled */
.btn:disabled, .btn[aria-disabled="true"],
input:disabled, textarea:disabled, select:disabled {
  opacity: .55; cursor: not-allowed; pointer-events: none;
}

/* #48 表單錯誤摘要 */
.form-errors {
  background: rgba(220,53,69,.08);
  border: 1px solid rgba(220,53,69,.25);
  border-radius: var(--r-md);
  padding: 14px 18px; margin-bottom: 20px;
  color: var(--c-danger); font-size: 14.5px;
}
.form-errors ul { margin: 6px 0 0; padding-left: 20px; }
.form-errors li { margin: 2px 0; }

/* === E · 中文排版 === */

/* #51 中英自動間距 */
body { text-spacing: ideograph-alpha ideograph-numeric; }

/* #57 truncate */
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.line-clamp-2 {
  display: -webkit-box; -webkit-box-orient: vertical;
  -webkit-line-clamp: 2; overflow: hidden;
}
.line-clamp-3 { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; }

/* === F · 載入 / 反饋 === */

/* #61 toast progress */
.toast { position: relative; overflow: hidden; padding-bottom: 14px; }
.toast::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: rgba(255,255,255,.6);
  animation: toastProgress 2.4s linear forwards;
}
@keyframes toastProgress { from { right: 0 } to { right: 100% } }

/* #66 confirm modal 暫保留 browser confirm（最少 effort） — 樣式準備 */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(16,48,86,.4);
  display: flex; align-items: center; justify-content: center; z-index: 9000;
  opacity: 0; pointer-events: none; transition: opacity .25s;
}
.modal-backdrop.is-open { opacity: 1; pointer-events: auto; }
.modal {
  background: #fff; border-radius: var(--r-lg);
  padding: 28px 32px; max-width: 420px; width: calc(100% - 32px);
  box-shadow: var(--sh-3);
  transform: scale(.96); transition: transform .25s;
}
.modal-backdrop.is-open .modal { transform: scale(1); }
.modal h3 { margin: 0 0 8px; font-size: 18px; color: var(--c-primary); }
.modal p { color: var(--c-text-soft); margin: 0 0 20px; }
.modal-foot { display: flex; gap: 10px; justify-content: flex-end; }

/* === G · 效能 === */
/* #72 防 CLS：圖片父層 aspect-ratio（已在 .p-img / .news-img / .hero-visual 設） */

/* === H · 導航 === */

/* #85 回頂端 */
.back-to-top {
  position: fixed; right: 20px; bottom: 84px;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--c-primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--sh-3);
  opacity: 0; transform: translateY(20px); pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 80; font-size: 20px;
  cursor: pointer; border: 0;
}
.back-to-top.is-show {
  opacity: 1; transform: translateY(0); pointer-events: auto;
}
.back-to-top:hover { background: var(--c-accent); }
@media (max-width: 720px) {
  .back-to-top { right: 12px; bottom: 78px; }
}

/* === I.0 · 表單 .a-switch / .wj-check 間距修正（修客戶反映 menu 立即上架貼上方）=== */
.card > .a-switch,
.card > .row2 + .a-switch,
.card > .fg + .a-switch,
.card > .a-upload + .a-switch,
.card > label.a-switch {
  margin-top: 20px;
}
.a-upload .pick {
  cursor: pointer; user-select: none;
  /* 規範：.pick 是 span，由 JS 綁 click 觸發 file input。視覺上要看得出可點 */
}
.a-upload .preview { cursor: pointer; }

/* === I · 後台 UX === */

/* #87 form sticky actions bar */
.form-actions {
  position: sticky; bottom: 0;
  display: flex; gap: 12px; justify-content: flex-end;
  background: rgba(245,247,250,.92);
  backdrop-filter: blur(8px);
  padding: 16px 0; margin: 24px -32px -32px;
  padding-inline: 32px;
  border-top: 1px solid var(--c-border);
  z-index: 10;
}
@media (max-width: 720px) {
  .form-actions {
    margin: 16px -20px -20px; padding-inline: 20px;
  }
}

/* #88 saved indicator */
.saved-indicator {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--c-success); font-size: 13.5px;
  padding: 6px 12px; background: rgba(43,168,108,.08);
  border-radius: 999px;
}
.saved-indicator::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--c-success);
}

/* #90 admin table row hover 強化 */
.admin-table tbody tr {
  transition: background .15s ease, box-shadow .15s ease;
}
.admin-table tbody tr:hover {
  background: rgba(16,48,86,.025);
  box-shadow: inset 3px 0 0 var(--c-accent);
}

/* #93 pagination 共用 */
.pagination, nav[role="navigation"] {
  display: inline-flex !important; gap: 4px;
  font-size: 14px;
}
.pagination > *, nav[role="navigation"] > * { border-radius: var(--r-sm); }
.pagination a, .pagination span,
nav[role="navigation"] a, nav[role="navigation"] span {
  padding: 8px 12px; border-radius: var(--r-sm);
  color: var(--c-text-soft); transition: all .15s;
}
.pagination a:hover, nav[role="navigation"] a:hover {
  background: var(--c-primary-tint, #e7ecf3); color: var(--c-primary);
}

/* #94 filter chip active */
.filter-chip.is-active, .filter-btn.is-active {
  position: relative;
}
.filter-chip.is-active::after, .filter-btn.is-active::after {
  content: ""; position: absolute; right: -3px; top: -3px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--c-accent);
  box-shadow: 0 0 0 2px #fff;
}

/* #97 sidebar 帶頭像 */
.admin-side-foot {
  display: flex; gap: 10px; align-items: center;
}
.admin-side-foot-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--c-accent); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; flex-shrink: 0;
}
.admin-side-foot-body { flex: 1; min-width: 0; }
.admin-side-foot-name { color: #fff; font-size: 14px; margin-bottom: 4px; }
.admin-side-foot-links { display: flex; justify-content: space-between; font-size: 13px; }

/* #100 print orders */
@media print {
  .admin-side, .admin-head .actions, .form-actions, .float-cta, .back-to-top { display: none !important; }
  .admin-main { padding: 0 !important; }
  .card { box-shadow: none !important; border: 1px solid #ccc !important; break-inside: avoid; }
  body { background: #fff !important; }
}

/* === 共用 utility === */
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row-spread { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.muted { color: var(--c-text-soft); }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}