/* =========================================
   月間ランキング — 閲覧専用スタイル
   TikTok ネオンダークテーマ v2
   ========================================= */

/* =========================================
   ヘッダータブ（管理画面と共通）
   ========================================= */
.header-tab-nav {
  border-top: 1px solid var(--border);
  background: rgba(5,5,14,0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

body.light-mode .header-tab-nav {
  background: rgba(255,255,255,0.94);
}

.header-tab-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.header-tab-inner::-webkit-scrollbar { display: none; }

.header-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 20px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  margin-bottom: -1px;
}

.header-tab-btn:hover {
  color: var(--text);
  background: rgba(255,255,255,0.03);
}

/* ダイヤタブ: シアン */
.header-tab-btn[data-tab="diamonds"].active {
  color: var(--neon-cyan);
  border-bottom-color: var(--neon-cyan);
  text-shadow: 0 0 12px rgba(37,244,238,0.6);
}

/* 配信時間タブ: イエロー */
.header-tab-btn[data-tab="streamtime"].active {
  color: var(--neon-yellow);
  border-bottom-color: var(--neon-yellow);
  text-shadow: 0 0 12px rgba(255,230,0,0.6);
}

/* フォールバック */
.header-tab-btn.active {
  color: var(--neon-red);
  border-bottom-color: var(--neon-red);
  text-shadow: 0 0 10px rgba(254,44,85,0.55);
}

/* =========================================
   閲覧専用バッジ
   ========================================= */
.viewer-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(37,244,238,0.08);
  border: 1px solid rgba(37,244,238,0.28);
  color: var(--neon-cyan);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 50px;
  letter-spacing: 0.4px;
  text-shadow: 0 0 8px rgba(37,244,238,0.45);
  box-shadow: 0 0 14px rgba(37,244,238,0.09);
}

body.light-mode .viewer-badge {
  background: rgba(0,117,196,0.08);
  border-color: rgba(0,117,196,0.25);
  color: #0075c4;
  text-shadow: none;
  box-shadow: none;
}

/* =========================================
   最終更新日時
   ========================================= */
.last-updated {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  padding: 6px 16px;
  background: rgba(37,244,238,0.04);
  border: 1px solid rgba(37,244,238,0.12);
  border-radius: 50px;
}

body.light-mode .last-updated {
  background: rgba(0,0,0,0.04);
  border-color: rgba(0,0,0,0.1);
}

.last-updated i {
  color: var(--neon-cyan);
  font-size: 0.7rem;
  animation: spin-slow 4s linear infinite;
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

/* =========================================
   閲覧専用：クリック無効・ホバー調整
   ========================================= */
#tab-diamonds .podium-item,
#tab-streamtime .podium-item {
  cursor: default !important;
}

#tab-diamonds .ranking-table tbody tr,
#tab-streamtime .ranking-table tbody tr {
  cursor: default;
}

/* ダイヤタブ：赤ホバー */
#tab-diamonds .ranking-table tbody tr:hover {
  background: rgba(37,244,238,0.03) !important;
  box-shadow: inset 3px 0 0 var(--neon-cyan) !important;
}

/* 配信時間タブ：イエローホバー */
#tab-streamtime .ranking-table tbody tr:hover {
  background: rgba(255,230,0,0.03) !important;
  box-shadow: inset 3px 0 0 var(--neon-yellow) !important;
}

body.light-mode #tab-diamonds .ranking-table tbody tr:hover,
body.light-mode #tab-streamtime .ranking-table tbody tr:hover {
  background: rgba(0,0,0,0.01) !important;
  box-shadow: none !important;
}

/* =========================================
   差分バッジ（viewer 版 — 操作列なし）
   ========================================= */
.col-diff {
  width: 180px;
  text-align: center !important;
}

.diff-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.diff-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 11px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* 1位：下位との差（青ネオン） */
.diff-badge.diff-down {
  background: rgba(37,244,238,0.08);
  color: var(--neon-cyan);
  border: 1px solid rgba(37,244,238,0.22);
  text-shadow: 0 0 8px rgba(37,244,238,0.4);
}

/* 2位以下：上位との差（赤ネオン） */
.diff-badge.diff-up {
  background: rgba(254,44,85,0.1);
  color: var(--neon-red);
  border: 1px solid rgba(254,44,85,0.28);
  text-shadow: 0 0 8px rgba(254,44,85,0.5);
}

.diff-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* =========================================
   モードラベルバッジ（ダイヤ / 配信時間）
   ========================================= */
.mode-label-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 11px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  margin-left: 8px;
  vertical-align: middle;
  letter-spacing: 0.3px;
}

/* ダイヤランキング — シアン */
.mode-label-badge.gem {
  background: rgba(37,244,238,0.10);
  color: var(--neon-cyan);
  border: 1px solid rgba(37,244,238,0.30);
  text-shadow: 0 0 6px rgba(37,244,238,0.45);
  box-shadow: 0 0 8px rgba(37,244,238,0.08);
}

/* 配信時間ランキング — イエロー */
.mode-label-badge.clock {
  background: rgba(255,230,0,0.10);
  color: var(--neon-yellow);
  border: 1px solid rgba(255,230,0,0.30);
  text-shadow: 0 0 6px rgba(255,230,0,0.45);
  box-shadow: 0 0 8px rgba(255,230,0,0.08);
}

body.light-mode .mode-label-badge.gem {
  background: rgba(0,117,196,0.08);
  color: #0075c4;
  border-color: rgba(0,117,196,0.25);
  text-shadow: none;
  box-shadow: none;
}

body.light-mode .mode-label-badge.clock {
  background: rgba(180,130,0,0.08);
  color: #a07800;
  border-color: rgba(180,130,0,0.25);
  text-shadow: none;
  box-shadow: none;
}

/* =========================================
   メインコンテンツ padding 調整（タブ内蔵ヘッダー用）
   ========================================= */
#main-content {
  padding-top: 56px;
}