/*
 * postlists 廣告貼文成效儀表板樣式
 * 設計系統：Data-Dense Dashboard（ui-ux-pro-max）
 * - 淺色：background #F8FAFC / primary #1E40AF / accent #D97706
 * - 深色：依相同語意 token 另外調校對比，非單純反色
 * - 字體：系統字型堆疊（含繁中字型），數字欄位用等寬數字避免跳動
 * 無外部字型 / CDN 依賴。
 */

:root {
  color-scheme: light;

  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-surface-2: #EEF2F8;
  --color-primary: #1E40AF;
  --color-primary-fg: #FFFFFF;
  --color-secondary: #3B82F6;
  --color-accent: #B45309; /* 加深自 #D97706 以在白底達到 4.5:1 文字對比 */
  --color-fg: #0F172A;
  --color-fg-muted: #475569;
  --color-border: #DBEAFE;
  --color-border-strong: #94A3B8;
  --color-destructive: #B91C1C;
  --color-destructive-bg: #FEF2F2;
  --color-warn-bg: #FFFBEB;
  --color-warn-border: #FDE68A;
  --color-warn-fg: #92400E;
  --color-ring: #1E40AF;
  --color-row-hover: #EFF6FF;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.08);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Noto Sans TC",
    "Microsoft JhengHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --color-bg: #0B1220;
    --color-surface: #121B2E;
    --color-surface-2: #182338;
    --color-primary: #60A5FA;
    --color-primary-fg: #0B1220;
    --color-secondary: #3B82F6;
    --color-accent: #FBBF24;
    --color-fg: #E5EAF3;
    --color-fg-muted: #9AA7BD;
    --color-border: #253552;
    --color-border-strong: #3A4B6B;
    --color-destructive: #F87171;
    --color-destructive-bg: #2A1418;
    --color-warn-bg: #2A2210;
    --color-warn-border: #7C5E17;
    --color-warn-fg: #FCD34D;
    --color-ring: #60A5FA;
    --color-row-hover: #1B2740;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.5);
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
}

button {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------------------------------------------------------------- */
/* 登入頁（key gate）                                                 */
/* ---------------------------------------------------------------- */

.gate-body {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.gate-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 32px 28px;
}

.gate-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 6px;
}

.gate-sub {
  margin: 0 0 20px;
  color: var(--color-fg-muted);
  font-size: 14px;
}

.gate-alert {
  background: var(--color-destructive-bg);
  color: var(--color-destructive);
  border: 1px solid var(--color-destructive);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 14px;
  margin-bottom: 16px;
}

.gate-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gate-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-fg-muted);
}

.gate-input {
  min-height: 44px;
  padding: 10px 12px;
  font-size: 16px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-fg);
}

.gate-input:disabled {
  opacity: 0.5;
}

.gate-submit {
  margin-top: 8px;
  min-height: 44px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-primary-fg);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 150ms ease;
}

.gate-submit:hover:not(:disabled) {
  opacity: 0.9;
}

.gate-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------------------------------------------------------------- */
/* 版面骨架                                                          */
/* ---------------------------------------------------------------- */

.page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 16px 48px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 16px;
}

.topbar-title h1 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 2px;
}

.topbar-sub {
  margin: 0;
  color: var(--color-fg-muted);
  font-size: 13px;
}

.topbar-sync {
  font-size: 13px;
  color: var(--color-fg-muted);
  font-variant-numeric: tabular-nums;
}

.topbar-sync strong {
  color: var(--color-fg);
  font-weight: 600;
}

.banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 16px;
}

.banner-warn {
  background: var(--color-warn-bg);
  border: 1px solid var(--color-warn-border);
  color: var(--color-warn-fg);
}

.banner-icon {
  flex: none;
}

/* ---------------------------------------------------------------- */
/* 空狀態                                                            */
/* ---------------------------------------------------------------- */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 64px 20px;
  color: var(--color-fg-muted);
  background: var(--color-surface);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius);
}

.empty-icon {
  color: var(--color-border-strong);
  margin-bottom: 8px;
}

.empty-state h2 {
  margin: 0;
  font-size: 17px;
  color: var(--color-fg);
}

.empty-state p {
  margin: 0;
  max-width: 420px;
  font-size: 14px;
}

/* ---------------------------------------------------------------- */
/* PAGE_FILTER 提示                                                  */
/* ---------------------------------------------------------------- */

.page-filter-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-fg-muted);
  font-size: 12px;
  font-weight: 600;
}

/* ---------------------------------------------------------------- */
/* KPI 卡片                                                          */
/* ---------------------------------------------------------------- */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

@media (min-width: 768px) {
  .kpi-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kpi-label {
  font-size: 12px;
  color: var(--color-fg-muted);
  font-weight: 600;
}

.kpi-value {
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  color: var(--color-fg);
}

.kpi-unit {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-fg-muted);
  font-family: var(--font-sans);
}

/* ---------------------------------------------------------------- */
/* 數值篩選器                                                        */
/* ---------------------------------------------------------------- */

.filter-bar {
  margin-bottom: 16px;
}

.filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-fg);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.filter-toggle:hover {
  border-color: var(--color-primary);
}

.filter-summary-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-primary-fg);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.filter-panel {
  margin-top: 10px;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.filter-panel[hidden] {
  display: none;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 16px;
}

@media (min-width: 640px) {
  .filter-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .filter-grid {
    grid-template-columns: repeat(8, 1fr);
  }
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-field-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-fg-muted);
}

.filter-input-group {
  display: flex;
  gap: 4px;
}

.filter-dir-btn {
  flex: none;
  min-width: 40px;
  min-height: 40px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.filter-dir-btn:hover {
  border-color: var(--color-primary);
}

.filter-dir-btn:active {
  background: var(--color-row-hover);
}

.filter-input {
  min-height: 40px;
  padding: 6px 8px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-fg);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  width: 100%;
  min-width: 0;
}

.filter-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.filter-result-count {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-fg-muted);
  font-variant-numeric: tabular-nums;
}

.filter-clear-btn {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-fg);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.filter-clear-btn:hover {
  border-color: var(--color-destructive);
  color: var(--color-destructive);
}

/* ---------------------------------------------------------------- */
/* 資料表                                                            */
/* ---------------------------------------------------------------- */

.table-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.post-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 1080px;
  font-size: 14px;
}

.post-table thead th {
  position: sticky;
  top: 0;
  background: var(--color-surface-2);
  text-align: right;
  font-weight: 600;
  font-size: 12px;
  color: var(--color-fg-muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.post-table thead th.col-thumb,
.post-table thead th.col-message,
.post-table thead th.col-link {
  text-align: left;
}

.post-table th.sortable {
  cursor: pointer;
  user-select: none;
}

.post-table th.sortable:hover {
  color: var(--color-fg);
}

.post-table th.sortable::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 5px;
  vertical-align: middle;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  opacity: 0.35;
}

.post-table th.sortable[aria-sort="ascending"]::after {
  border-bottom: 5px solid currentColor;
  opacity: 1;
}

.post-table th.sortable[aria-sort="descending"]::after {
  border-top: 5px solid currentColor;
  opacity: 1;
}

.post-table tbody td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.post-table tbody tr:hover {
  background: var(--color-row-hover);
}

.post-table tbody tr:last-child td {
  border-bottom: none;
}

.col-num {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.col-num .unit {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--color-fg-muted);
  margin-left: 2px;
}

.col-message {
  max-width: 320px;
  color: var(--color-fg);
}

.col-thumb {
  width: 64px;
}

.thumb-btn {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  display: block;
  border-radius: var(--radius-sm);
  overflow: hidden;
  line-height: 0;
}

.thumb-img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  display: block;
  background: var(--color-surface-2);
}

.col-thumb.thumb-broken .thumb-btn {
  display: none;
}

.thumb-placeholder {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--color-border-strong);
  color: var(--color-border-strong);
  background: var(--color-surface-2);
}

.btn-visit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-primary-fg);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.btn-visit:hover {
  opacity: 0.9;
}

.dash {
  color: var(--color-fg-muted);
}

/* 欄位標題旁的說明小圖示（取代舊版逐格 badge-paid，見 app.js stopPropagation） */
.th-info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 3px;
  color: var(--color-fg-muted);
  cursor: help;
  font-size: 11px;
  vertical-align: middle;
}

.th-info:hover,
.th-info:focus-visible {
  color: var(--color-primary);
}

.page-footer {
  margin-top: 24px;
  text-align: center;
  color: var(--color-fg-muted);
  font-size: 12px;
}

/* ---------------------------------------------------------------- */
/* Lightbox                                                          */
/* ---------------------------------------------------------------- */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 1000;
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* ---------------------------------------------------------------- */
/* 手機（< 768px）微調                                                */
/* ---------------------------------------------------------------- */

@media (max-width: 767px) {
  .page {
    padding: 16px 12px 40px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .col-message {
    max-width: 220px;
  }
}