/* ==========================================================================
   JAMIA ASHRAFIA LAHORE - VIRTUAL CLASSROOM (ZOOM-LIKE SUITE)
   Interactive WebRTC Layout, Whiteboard, In-Meeting Chat, Floating Controls
   ========================================================================== */

.zoom-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 175px);
    min-height: 580px;
    background: #0b1114;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-prominent);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 0, 0, 0.8);
}

/* TOP STATUS BAR */
.zoom-topbar {
    height: 52px;
    background: rgba(13, 20, 24, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.zoom-room-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.zoom-rec-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 700;
    color: #f87171;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.rec-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ef4444;
    animation: blinkRec 1s infinite;
}

@keyframes blinkRec {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.2; }
}

.zoom-room-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.zoom-security-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    color: var(--primary-400);
    background: rgba(16, 185, 129, 0.1);
    padding: 3px 8px;
    border-radius: 4px;
}

.zoom-timer {
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gold-300);
    background: rgba(0, 0, 0, 0.4);
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid rgba(217, 119, 6, 0.3);
}

.zoom-view-switch {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* MAIN STAGE (SPLIT VIEW: VIDEO GRID / WHITEBOARD / SCREEN SHARE) */
.zoom-stage-area {
    display: flex;
    flex: 1;
    position: relative;
    overflow: hidden;
}

.zoom-main-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 16px;
    overflow-y: auto;
    position: relative;
}

/* VIDEO TILES GRID */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 14px;
    flex: 1;
    align-content: center;
    justify-content: center;
}

.video-grid.spotlight-mode {
    grid-template-columns: 3fr 1fr;
}

.video-tile {
    background: #141e23;
    border-radius: var(--radius-md);
    border: 2px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.video-tile.speaking {
    border-color: var(--primary-500);
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.4);
}

.video-tile.teacher-tile {
    border-color: var(--gold-400);
}

.video-tile video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #000000;
}

.video-avatar-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.avatar-circle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-800), var(--primary-600));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 700;
    border: 3px solid var(--border-prominent);
}

.avatar-circle.gold {
    background: linear-gradient(135deg, var(--gold-600), var(--gold-400));
}

.tile-participant-label {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.78rem;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 2;
}

.tile-participant-label i.mic-muted {
    color: #f87171;
}

.tile-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--gold-500);
    color: #ffffff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
}

.audio-waves {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 12px;
}

.audio-waves span {
    width: 2px;
    height: 100%;
    background: var(--primary-400);
    border-radius: 1px;
    animation: waveAnim 0.8s infinite ease-in-out;
}

.audio-waves span:nth-child(2) { animation-delay: 0.2s; }
.audio-waves span:nth-child(3) { animation-delay: 0.4s; }

@keyframes waveAnim {
    0%, 100% { height: 3px; }
    50% { height: 12px; }
}

/* ==========================================================================
   INTERACTIVE WHITEBOARD CANVAS
   ========================================================================== */

.zoom-whiteboard-panel {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    z-index: 5;
    flex-direction: column;
}

.zoom-whiteboard-panel.active {
    display: flex;
}

.wb-toolbar {
    height: 48px;
    background: #f1f5f9;
    border-bottom: 1px solid #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    color: #0f172a;
}

.wb-tools-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.wb-tool-btn {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 1px solid #cbd5e1;
    background: #ffffff;
    color: #334155;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.wb-tool-btn:hover, .wb-tool-btn.active {
    background: var(--primary-700);
    color: #ffffff;
    border-color: var(--primary-700);
}

.wb-color-picker {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
}

.color-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 0 2px rgba(0,0,0,0.4);
}

.color-dot.active {
    transform: scale(1.2);
    border-color: #000000;
}

.wb-canvas-wrap {
    flex: 1;
    position: relative;
    cursor: crosshair;
    background: #ffffff;
}

#whiteboard-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ==========================================================================
   SIDE DRAWERS: IN-MEETING CHAT & PARTICIPANTS
   ========================================================================== */

.zoom-side-drawer {
    width: 310px;
    background: var(--primary-950);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    display: none;
    flex-direction: column;
    z-index: 6;
}

.zoom-side-drawer.active {
    display: flex;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.drawer-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: #ffffff;
}

.drawer-content {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-bubble {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: #17242a;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.82rem;
}

.chat-bubble.teacher-msg {
    border-left: 3px solid var(--gold-400);
}

.chat-author {
    font-weight: 700;
    color: var(--primary-400);
    display: flex;
    align-items: center;
    gap: 6px;
}

.chat-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: normal;
}

.chat-text {
    color: #e2e8f0;
    line-height: 1.4;
}

.chat-input-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.chat-input-bar input {
    flex: 1;
    background: #17242a;
    border: 1px solid var(--border-prominent);
    border-radius: 4px;
    padding: 8px 10px;
    color: #ffffff;
    font-size: 0.85rem;
    outline: none;
}

.quick-emojis {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: #141e23;
    overflow-x: auto;
}

.emoji-btn {
    background: transparent;
    border: none;
    font-size: 0.95rem;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
}

.emoji-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   FLOATING BOTTOM ACTION DOCK
   ========================================================================== */

.zoom-dock {
    height: 72px;
    background: rgba(13, 20, 24, 0.98);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 10;
}

.dock-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dock-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #e2e8f0;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    min-width: 64px;
}

.dock-btn i {
    font-size: 1.15rem;
    color: var(--primary-400);
}

.dock-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    transform: translateY(-2px);
}

.dock-btn.active {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--primary-500);
    color: #ffffff;
}

.dock-btn.danger-action {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.dock-btn.danger-action:hover {
    background: #ef4444;
    color: #ffffff;
}

.dock-btn.end-meeting {
    background: #dc2626;
    color: #ffffff;
    border: none;
    font-weight: 700;
}

.dock-btn.end-meeting:hover {
    background: #b91c1c;
}

/* ==========================================================================
   VIRTUAL CLASSROOM SUITE EXTENSIONS (LOBBY, TABS, VAULT, RETENTION)
   ========================================================================== */

/* Sub-Tab Navigation Bar */
.vc-tab-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    padding: 6px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
}

.vc-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.vc-tab-btn:hover {
    color: var(--primary-900);
    background: var(--primary-50);
}

.vc-tab-btn.active {
    color: #ffffff;
    background: var(--primary-600);
    box-shadow: 0 2px 8px rgba(18, 72, 85, 0.28);
}

.vc-tab-btn .badge-pill {
    padding: 2px 7px;
    font-size: 0.72rem;
    border-radius: 10px;
    background: var(--primary-100);
    color: var(--primary-800);
    font-weight: 700;
}

.vc-tab-btn.active .badge-pill {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

/* Quick Stats Bar */
.vc-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.vc-stat-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.vc-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-300);
}

.vc-stat-card .stat-val {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--primary-950);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.vc-stat-card .stat-lbl {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 3px;
}

.vc-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.vc-stat-icon.green { background: var(--primary-50); color: var(--primary-600); border: 1px solid var(--primary-200); }
.vc-stat-icon.gold { background: var(--gold-50); color: var(--gold-600); border: 1px solid var(--gold-200); }
.vc-stat-icon.blue { background: #eff6ff; color: #2563eb; border: 1px solid #bfdbfe; }
.vc-stat-icon.purple { background: #faf5ff; color: #9333ea; border: 1px solid #e9d5ff; }

/* Filter & Search Bar */
.vc-filter-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.vc-filter-group {
    display: flex;
    gap: 4px;
    background: #ffffff;
    padding: 4px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-xs);
}

.vc-filter-btn {
    padding: 7px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.vc-filter-btn:hover {
    color: var(--primary-900);
    background: var(--primary-50);
}

.vc-filter-btn.active {
    background: var(--primary-600);
    color: #ffffff;
    font-weight: 700;
    box-shadow: 0 1px 4px rgba(18, 72, 85, 0.25);
}

/* Classroom Lobby Grid & Cards */
.vc-lobby-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.vc-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.vc-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-400);
    box-shadow: var(--shadow-md), 0 8px 24px rgba(18, 72, 85, 0.12);
}

.vc-card.is-live {
    border-color: #f87171;
    box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.2), 0 6px 20px rgba(239, 68, 68, 0.12);
}

.vc-card-header {
    padding: 16px 18px 12px;
    border-bottom: 1px solid var(--border-subtle);
    background: #ffffff;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.vc-card-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 20px;
}

.vc-card-badge.live {
    background: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fca5a5;
}

.vc-card-badge.upcoming {
    background: var(--gold-50);
    color: var(--gold-800);
    border: 1px solid var(--gold-200);
}

.vc-card-badge.completed {
    background: #f1f5f9;
    color: #475569;
    border: 1px solid #cbd5e1;
}

.vc-card-body {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #ffffff;
}

.vc-class-title {
    font-size: 1.08rem;
    font-weight: 800;
    color: var(--primary-950) !important;
    margin-bottom: 6px;
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.vc-class-urdu {
    font-family: 'Amiri', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gold-700) !important;
    margin-bottom: 14px;
    line-height: 1.4;
}

.vc-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.83rem;
    color: var(--text-primary);
    margin-bottom: 7px;
}

.vc-meta-item strong {
    color: var(--text-secondary);
    font-weight: 600;
}

.vc-meta-item i {
    width: 16px;
    color: var(--primary-600);
    font-size: 0.85rem;
}

.vc-card-footer {
    padding: 12px 18px;
    background: var(--primary-50);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.vc-passcode-badge {
    background: #ffffff;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.78rem;
    color: var(--primary-950);
    font-family: monospace;
    font-weight: 700;
    border: 1px solid var(--border-prominent);
}

/* Security Blocked Shield Banner */
.vc-security-shield {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.06) 0%, #ffffff 100%);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-left: 4px solid #ef4444;
    border-radius: var(--radius-md);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: #7f1d1d;
    box-shadow: var(--shadow-xs);
}

/* Access Denied View Container */
.vc-access-denied {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 480px;
    text-align: center;
    padding: 40px 20px;
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(239, 68, 68, 0.25);
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.08);
}

.vc-access-denied-icon {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid rgba(239, 68, 68, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #ef4444;
    margin-bottom: 20px;
}

/* Recordings Vault Styling */
.vc-vault-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.vc-vault-card:hover {
    border-color: var(--primary-400);
    box-shadow: var(--shadow-md);
}

.vc-vault-card h4 {
    color: var(--primary-950) !important;
}

.vc-retention-pill {
    padding: 3px 9px;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: 12px;
    background: var(--primary-50);
    color: var(--primary-800);
    border: 1px solid var(--primary-200);
}

.vc-retention-pill.warning {
    background: #fffbeb;
    color: #92400e;
    border-color: #fde68a;
}

/* Storage & Retention Gauge */
.vc-storage-box {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.vc-progress-track {
    width: 100%;
    height: 12px;
    background: var(--primary-100);
    border-radius: 6px;
    overflow: hidden;
    margin: 12px 0;
}

.vc-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-700));
    border-radius: 6px;
    transition: width 0.4s ease;
}

/* Islamic Reaction Popup */
.vc-reactions-dock {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(13, 20, 24, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 6px 12px;
    border-radius: 30px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.vc-reaction-btn {
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 1.15rem;
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 20px;
    transition: transform 0.15s ease, background 0.15s ease;
}

.vc-reaction-btn:hover {
    transform: scale(1.25);
    background: rgba(255, 255, 255, 0.1);
}