/* ========== Characters Page ========== */

.characters-page { padding-top: 84px; min-height: 100vh; }
    .hero-card {
      padding: var(--card-padding);
      background: linear-gradient(135deg, #E3F2FD 0%, #B3E5FC 50%, #81D4FA 100%);
      position: relative;
      overflow: hidden;
      max-width: 1920px;
      margin: 0 auto 24px;
    }
    .hero-inner { max-width: 1200px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
    .hero-title {
      font-size: 30px;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary-dark), var(--primary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin: 0 0 20px;
    }
    .search-box {
      width: 100%;
      max-width: 500px;
      padding: 12px 16px 12px 42px;
      border: 2px solid rgba(255,255,255,0.6);
      border-radius: 12px;
      font-size: 16px;
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
      box-sizing: border-box;
      background: rgba(255,255,255,0.7);
      backdrop-filter: blur(8px);
      box-shadow: 0 2px 12px rgba(77,182,232,0.1);
      margin-bottom: 16px;
    }
    .search-box:focus { border-color: var(--primary); box-shadow: 0 4px 20px rgba(77,182,232,0.2); background: #fff; }
    .filter-group-left, .filter-group-right { display: flex; gap: 8px; }
    .sort-btn {
      padding: 7px 18px;
      border: 1.5px solid rgba(255,255,255,0.5);
      border-radius: 20px;
      background: rgba(255,255,255,0.5);
      cursor: pointer;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-light);
      transition: all 0.2s;
      backdrop-filter: blur(4px);
    }
    .sort-btn:hover { background: rgba(255,255,255,0.8); border-color: var(--primary); color: var(--primary); }
    .sort-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
    .grid-wrap { max-width: 1920px; margin: 0 auto; padding: 0 20px 40px; }
    .ai-grid { grid-template-columns: repeat(5, 1fr); }
    .ai-card .name { font-weight: 600; }
    .ai-card .desc { font-size: 14px; line-height: 1.5; margin-bottom: 10px; }
    .ai-card .card-stats { font-size: 16px; }
    .ai-card .card-stats .fav-btn { margin-left: auto; }
    .live2d-badge {
      position: absolute;
      top: 8px;
      left: 8px;
      z-index: 2;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 20px;
      box-shadow: 0 2px 6px var(--primary-glow);
      pointer-events: none;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .empty-state { text-align: center; padding: 60px 20px; color: var(--text-light); grid-column: 1/-1; }
    .empty-state svg { width: 48px; height: 48px; margin-bottom: 12px; opacity: 0.4; }
    @media (max-width: 768px) {
      .ai-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
      .hero-title { font-size: 24px; }
    }
    @media (max-width: 480px) {
      .ai-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
      .ai-card .desc { display: none; }
      .ai-card .info { padding: 10px; }
      .ai-card .name { font-size: 15px; }
    }