/* DEEP DIVE VIEW (RIGHT PAGE ON TAB 02) */
    .info-header {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      border-bottom: 2px solid #5a4b37;
      padding-bottom: 6px;
      margin-bottom: 8px;
    }

    .info-name-vi {
      font-family: var(--font-hand);
      font-size: 2.2rem;
      font-weight: 700;
      color: #8f1d1d;
      line-height: 1;
    }

    .info-name-en {
      font-size: 0.95rem;
      color: #5a4b37;
      margin-top: 2px;
    }

    .info-meta-chips {
      display: flex;
      gap: 8px;
      margin-bottom: 8px;
      flex-wrap: wrap;
    }

    .info-chip {
      background: rgba(255,255,255,0.6);
      border: 1px solid #c2b192;
      border-radius: 4px;
      padding: 3px 8px;
      font-size: 0.82rem;
      color: #2b2319;
    }
    .info-chip strong { color: #8f1d1d; }

    .info-evidences-bar {
      background: #e6d3b3;
      padding: 6px 10px;
      border-radius: 4px;
      font-size: 0.88rem;
      color: #1e293b;
      margin-bottom: 8px;
      border-left: 3px solid #1e3a8a;
    }

    .info-section {
      background: rgba(255,255,255,0.4);
      border-left: 3px solid #8f1d1d;
      padding: 6px 10px;
      border-radius: 0 4px 4px 0;
      margin-bottom: 8px;
      font-size: 0.88rem;
      line-height: 1.35;
    }
    .info-section.weakness { border-left-color: #059669; }
    .info-section.test { border-left-color: #d97706; background: #fffcf0; }
    .info-section.vip { border-left-color: #7c3aed; background: #faf5ff; }

    .info-section-title {
      font-family: var(--font-hand);
      font-size: 1.35rem;
      font-weight: 700;
      color: #1a150e;
      margin-bottom: 2px;
    }

    .warning-badge {
      background: #fee2e2;
      border: 1px solid #f87171;
      color: #991b1b;
      padding: 6px 10px;
      border-radius: 4px;
      font-size: 0.85rem;
      line-height: 1.3;
      margin-top: 6px;
    }

    /* ==============================================================
       ★ TAB 06: AUDIO STUDIO (PHÒNG THỬ ÂM THANH & BƯỚC CHÂN) ★
       ============================================================== */
    .audio-studio-layout {
      display: flex;
      flex-direction: column;
      gap: 10px;
      height: 100%;
    }

    .footstep-preset-card {
      background: rgba(255,255,255,0.45);
      border: 1px solid #c9b99e;
      border-radius: 6px;
      padding: 8px 10px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: all 0.15s;
      cursor: pointer;
    }
    .footstep-preset-card:hover {
      background: rgba(255,255,255,0.85);
      border-color: #8f2020;
    }
    .footstep-preset-card.playing {
      background: #fdf2f2;
      border-color: #ef4444;
      box-shadow: 0 0 8px rgba(239, 68, 68, 0.2);
    }

    .preset-info-left {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .preset-title {
      font-weight: 700;
      font-size: 0.95rem;
      color: #1b1915;
    }

    .preset-desc {
      font-size: 0.8rem;
      color: #574b39;
    }

    .preset-btn-play {
      background: #2b2218;
      color: #fff;
      border: none;
      padding: 5px 12px;
      border-radius: 4px;
      font-size: 0.82rem;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 4px;
      transition: all 0.15s;
    }
    .preset-btn-play:hover { background: #0284c7; }
    .footstep-preset-card.playing .preset-btn-play {
      background: #ef4444;
    }

    /* RIGHT PAGE SOUNDBOARD CONTROLS */
    .audio-fx-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
      margin-top: 8px;
    }

    .fx-button {
      background: rgba(255,255,255,0.5);
      border: 1px solid #c9b99e;
      border-radius: 6px;
      padding: 10px 12px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 4px;
      cursor: pointer;
      transition: all 0.15s;
      font-family: var(--font-body);
      text-align: left;
    }
    .fx-button:hover {
      background: #fff;
      border-color: #8f2020;
      transform: translateY(-1px);
    }
    .fx-button-title {
      font-weight: 700;
      font-size: 0.92rem;
      color: #1b1915;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .fx-button-desc {
      font-size: 0.78rem;
      color: #64748b;
    }

    .volume-control-box {
      background: rgba(0,0,0,0.06);
      border: 1px solid #bfaf92;
      border-radius: 6px;
      padding: 8px 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 6px;
    }

    .volume-slider-group {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1;
    }

    .volume-slider {
      flex: 1;
      accent-color: #8f1d1d;
      cursor: pointer;
    }

    /* SCROLLABLE PAGE CONTENT */
    .scrollable-page-content {
      overflow-y: auto;
      max-height: 500px;
      padding-right: 6px;
    }
    .scrollable-page-content::-webkit-scrollbar { width: 4px; }
    .scrollable-page-content::-webkit-scrollbar-thumb { background: #b8a584; border-radius: 2px; }

    .voice-line-box {
      background: rgba(255,255,255,0.4);
      border: 1px solid #c2b193;
      border-radius: 6px;
      padding: 8px 12px;
      margin-bottom: 8px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      transition: background 0.15s;
    }
    .voice-line-box:hover { background: rgba(255,255,255,0.7); }
    .voice-line-en { font-family: var(--font-hand); font-size: 1.5rem; color: #1a365d; font-weight: 700; }
    .voice-line-vi { font-size: 0.88rem; color: #574b39; }
    .copy-pill { font-size: 0.8rem; background: #c7b391; padding: 2px 8px; border-radius: 4px; color: #2b2319; font-weight: 600; }

    /* ==============================================================
       ★ CỰC PHẨM: MODAL HỒ SƠ TẬP MẬT PHÓNG TO (DOSSIER ZOOM MODAL) ★
       (ĐÃ BỎ HẾT EMOJI, DÙNG SVG VÀ CHỮ SẮC NÉT)
       ============================================================== */
    .dossier-modal-backdrop {
      position: fixed;
      top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(4, 7, 12, 0.84);
      backdrop-filter: blur(8px);
      z-index: 2000;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 16px;
      animation: fadeInBackdrop 0.2s ease-out;
    }

    @keyframes fadeInBackdrop {
      from { opacity: 0; } to { opacity: 1; }
    }

    .dossier-modal-folder {
      width: 100%;
      max-width: 920px;
      max-height: 90vh;
      background-color: #dfcca7;
      background-image: 
        radial-gradient(ellipse at center, #ede1c7 0%, #d8c29b 100%),
        repeating-linear-gradient(transparent, transparent 27px, #caa97b 28px);
      border: 6px solid #231913;
      border-radius: 12px;
      box-shadow: 
        0 25px 60px rgba(0,0,0,0.9),
        0 0 0 2px rgba(255,255,255,0.1);
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
      animation: zoomInModal 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }

    @keyframes zoomInModal {
      from { transform: scale(0.96); opacity: 0.7; }
      to { transform: scale(1); opacity: 1; }
    }

    .dossier-folder-header {
      background: #c7ad81;
      border-bottom: 2px solid #5a4b37;
      padding: 8px 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      box-shadow: inset 0 -2px 5px rgba(0,0,0,0.1);
      flex-wrap: wrap;
      gap: 10px;
    }

    .dossier-header-left {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .dossier-classified-stamp {
      font-size: 0.8rem;
      border: 2px solid #8f1d1d;
      color: #8f1d1d;
      padding: 2px 7px;
      border-radius: 3px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      font-weight: 700;
      transform: rotate(-1deg);
      display: inline-block;
    }

    .dossier-header-right {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .dossier-nav-controls {
      display: flex;
      align-items: center;
      gap: 5px;
      background: rgba(0,0,0,0.08);
      padding: 2px 6px;
      border-radius: 5px;
      border: 1px solid #aa9573;
    }

    .dossier-nav-btn {
      background: #3a2e21;
      color: #f7eee0;
      border: 1px solid #5d4a36;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.85rem;
      font-weight: bold;
      cursor: pointer;
      transition: all 0.12s;
    }
    .dossier-nav-btn:hover {
      background: #8f1d1d;
      border-color: #a82424;
      color: #fff;
    }

    .dossier-counter {
      font-size: 0.82rem;
      color: #2c2217;
      font-weight: bold;
      padding: 0 4px;
    }

    .modal-close-btn {
      background: #241c15;
      color: #f1f5f9;
      border: none;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      font-size: 1rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.15s;
    }
    .modal-close-btn:hover { background: #ef4444; }

    .dossier-body {
      padding: 16px 22px 22px;
      overflow-y: auto;
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .dossier-body::-webkit-scrollbar { width: 5px; }
    .dossier-body::-webkit-scrollbar-thumb { background: #9c825a; border-radius: 3px; }

    .dossier-title-row {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      border-bottom: 2px solid #5a4b37;
      padding-bottom: 6px;
      flex-wrap: wrap;
      gap: 8px;
    }

    .dossier-name-vi {
      font-family: var(--font-hand);
      font-size: 2.6rem;
      font-weight: 700;
      color: #8f1d1d;
      line-height: 1;
    }

    .dossier-name-en {
      font-size: 1.05rem;
      color: #4b3e2e;
      margin-top: 2px;
    }

    .danger-tag {
      font-size: 0.82rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 4px;
      text-transform: uppercase;
      background: #fee2e2;
      color: #991b1b;
      border: 1px solid #f87171;
    }

    .dossier-stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
      gap: 8px;
    }

    .dossier-stat-card {
      background: rgba(255,255,255,0.55);
      border: 1px solid #c2b192;
      border-radius: 6px;
      padding: 7px 10px;
      display: flex;
      flex-direction: column;
    }

    .stat-label {
      font-size: 0.78rem;
      text-transform: uppercase;
      color: #574b37;
      font-weight: 700;
      letter-spacing: 0.04em;
    }

    .stat-value {
      font-size: 1.25rem;
      font-weight: 700;
      color: #1b1915;
      margin-top: 1px;
    }
    .stat-value.highlight-red { color: #8f1d1d; }
    .stat-value.highlight-blue { color: #1e3a8a; }

    /* FOOTSTEP PRO AUDIO STUDIO IN MODAL */
    .footstep-simulator-card {
      background: #19140f;
      border: 1px solid #3d3025;
      border-radius: 7px;
      padding: 10px 14px;
      color: #f1f5f9;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footstep-header-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }

    .footstep-info span.title {
      font-size: 0.88rem;
      color: #38bdf8;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .footstep-info span.desc {
      font-size: 0.82rem;
      color: #cbd5e1;
    }

    .footstep-metronome-pulse {
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: #334155;
      border: 2px solid #64748b;
      transition: all 0.04s ease-out;
    }
    .footstep-metronome-pulse.beat {
      background: #ef4444;
      border-color: #fca5a5;
      box-shadow: 0 0 14px #ef4444;
      transform: scale(1.3);
    }

    .footstep-audio-controls {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
    }

    .speed-toggle-group {
      display: flex;
      gap: 4px;
      background: #271f18;
      padding: 2px;
      border-radius: 5px;
      border: 1px solid #483928;
    }

    .btn-speed-mode {
      background: transparent;
      color: #cbd5e1;
      border: none;
      padding: 5px 12px;
      border-radius: 4px;
      font-size: 0.85rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.15s;
    }
    .btn-speed-mode:hover { color: #fff; background: rgba(255,255,255,0.08); }
    .btn-speed-mode.active {
      background: #0284c7;
      color: #fff;
    }

    .btn-play-footstep {
      background: #0284c7;
      color: #fff;
      border: none;
      padding: 6px 16px;
      border-radius: 16px;
      font-size: 0.88rem;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: all 0.15s;
    }
    .btn-play-footstep:hover { background: #38bdf8; color: #0c0f14; }
    .btn-play-footstep.playing { background: #ef4444; }

    /* TAP TEMPO */
    .tap-tempo-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: #231b14;
      border: 1px dashed #6b5339;
      border-radius: 5px;
      padding: 7px 10px;
      flex-wrap: wrap;
      gap: 8px;
    }

    .btn-tap-tempo {
      background: #d97706;
      color: #fff;
      border: none;
      padding: 5px 14px;
      border-radius: 4px;
      font-size: 0.85rem;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.08s;
    }
    .btn-tap-tempo:active { transform: scale(0.96); background: #f59e0b; }

    .tap-tempo-results {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    .tap-bpm-display {
      display: flex;
      align-items: baseline;
      gap: 5px;
      font-size: 0.85rem;
      color: #94a3b8;
    }
    .tap-bpm-display strong {
      font-size: 1.35rem;
      color: #38bdf8;
    }

    .tap-verdict { font-size: 0.82rem; color: #fde68a; }

    /* DOSSIER TABS NAV */
    .dossier-tabs-nav {
      display: flex;
      gap: 6px;
      border-bottom: 2px solid #5a4b37;
      padding-bottom: 2px;
    }

    .d-tab-btn {
      background: rgba(0,0,0,0.06);
      border: 1px solid #bda887;
      border-bottom: none;
      padding: 5px 12px;
      border-radius: 5px 5px 0 0;
      font-size: 0.88rem;
      font-weight: 700;
      color: #4b3e2e;
      cursor: pointer;
      transition: all 0.15s;
    }
    .d-tab-btn:hover { background: rgba(0,0,0,0.12); }
    .d-tab-btn.active {
      background: #dfcca7;
      border-color: #5a4b37;
      color: #8f1d1d;
      padding-top: 7px;
      margin-top: -2px;
    }

    .dossier-tab-pane {
      display: none;
      flex-direction: column;
      gap: 10px;
      font-size: 0.95rem;
      line-height: 1.4;
      color: #241f18;
    }
    .dossier-tab-pane.active { display: flex; }

    .instant-clue-card {
      background: #fffbeb;
      border: 1px solid #d97706;
      border-left: 5px solid #b45309;
      border-radius: 6px;
      padding: 10px 14px;
    }
    .instant-clue-header {
      font-family: var(--font-hand);
      font-size: 1.5rem;
      font-weight: 700;
      color: #92400e;
      margin-bottom: 2px;
    }
    .instant-clue-text {
      font-size: 0.95rem;
      font-weight: 600;
      color: #1e293b;
      line-height: 1.35;
    }

    .interactive-checklist {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-top: 4px;
    }
    .check-step-item {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      background: rgba(255,255,255,0.65);
      padding: 7px 10px;
      border-radius: 5px;
      border: 1px solid #d3c3a7;
      cursor: pointer;
      transition: all 0.12s;
    }
    .check-step-item:hover { background: #fff; border-color: #9c825a; }
    .check-step-item.checked { background: #ecfdf5; border-color: #10b981; }
    .check-step-box {
      width: 18px; height: 18px;
      border: 2px solid #5a4b37;
      border-radius: 3px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      color: #059669;
      margin-top: 2px;
      flex-shrink: 0;
      background: #fff;
      font-size: 0.75rem;
    }
    .check-step-item.checked .check-step-box {
      border-color: #059669; background: #d1fae5;
    }
    .check-step-text {
      font-size: 0.9rem;
      color: #1f2937;
      line-height: 1.3;
    }

    .dossier-block {
      background: rgba(255,255,255,0.5);
      border-left: 4px solid #8f1d1d;
      padding: 8px 12px;
      border-radius: 0 5px 5px 0;
    }
    .dossier-block.green { border-left-color: #15803d; }
    .dossier-block.amber { border-left-color: #b45309; background: #fffcf4; }

    .dossier-block-title {
      font-family: var(--font-hand);
      font-size: 1.4rem;
      font-weight: 700;
      color: #1a150e;
      margin-bottom: 2px;
    }

    .modal-smudge-box {
      background: #181c24;
      border: 1px solid #2e3a4e;
      border-radius: 6px;
      padding: 8px 12px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #fff;
      margin-top: 6px;
      flex-wrap: wrap;
      gap: 8px;
    }

    /* VIP TIPS CARD (dossier + tab 02) */
    .vip-tips-card {
      background: #fffbeb;
      border: 1px solid #7c3aed;
      border-left: 5px solid #7c3aed;
      border-radius: 6px;
      padding: 10px 14px;
    }
    .vip-tips-header {
      font-family: var(--font-hand);
      font-size: 1.5rem;
      font-weight: 700;
      color: #5b21b6;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .vip-badge {
      font-family: var(--font-body);
      font-size: 0.68rem;
      font-weight: 800;
      background: #7c3aed;
      color: #fff;
      padding: 1px 8px;
      border-radius: 999px;
      letter-spacing: 0.05em;
    }
    .vip-row { margin-bottom: 8px; }
    .vip-row:last-child { margin-bottom: 0; }
    .vip-tag {
      display: inline-block;
      font-size: 0.68rem;
      font-weight: 800;
      padding: 1px 8px;
      border-radius: 999px;
      margin-bottom: 4px;
      letter-spacing: 0.04em;
    }
    .vip-tag-chot { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
    .vip-tag-gach { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
    .vip-tag-speed { background: #e0f2fe; color: #0c4a6e; border: 1px solid #7dd3fc; }
    .vip-tag-general { background: #f3e8ff; color: #6b21a8; border: 1px solid #d8b4fe; }
    .vip-row ul { margin: 0; padding-left: 18px; }
    .vip-row li { font-size: 0.88rem; line-height: 1.4; color: #1f2937; margin-bottom: 3px; }
    .vip-speed-text { font-size: 0.88rem; line-height: 1.4; color: #1f2937; }
    #infoVipTips .vip-row li, #infoVipTips .vip-speed-text { font-size: 0.82rem; }

    @media (max-width: 860px) {
      .book { flex-direction: column; }
      .page.left-page { border-right: none; border-bottom: 2px solid rgba(0,0,0,0.3); }
      .ghosts-table-container { grid-template-columns: repeat(2, 1fr); }
      .journal-tabs { margin-left: 4px; gap: 3px; }
      .j-tab { padding: 4px 8px; }
      .top-bar-row { flex-direction: column; align-items: stretch; }
      .top-controls-group { max-width: 100%; flex-wrap: wrap; }
      .directory-grid-2col { grid-template-columns: 1fr; }
    }