/* ==========================================================================
   WebRTC Video Conferencing - Modern Zoom/Meet Dark UI Theme
   ========================================================================== */

:root {
    --bg-dark: #0f1117;
    --bg-card: #181b24;
    --bg-surface: #1e2230;
    --bg-surface-hover: #282d40;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-active: #3b82f6;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-green: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --accent-danger-hover: #dc2626;
    --accent-purple: #8b5cf6;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --header-height: 64px;
    --bottom-bar-height: 80px;
    --drawer-width: 380px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   Header Bar
   ========================================================================== */
.header-bar {
    height: var(--header-height);
    background: rgba(15, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 20;
    flex-shrink: 0;
    gap: 12px;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.brand-logo svg {
    width: 20px;
    height: 20px;
}

.brand-title {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.badge-room {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 500;
}

.badge-room .room-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.badge-lock {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.badge-lock.locked {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.4);
    color: var(--accent-danger);
}

.badge-timer {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: monospace, -apple-system, BlinkMacSystemFont, sans-serif;
    transition: all 0.3s ease;
}

.badge-timer.guest {
    border-color: rgba(6, 182, 212, 0.4);
    color: #38bdf8;
    background: rgba(6, 182, 212, 0.08);
}

.badge-timer.warning {
    border-color: rgba(245, 158, 11, 0.5);
    color: #fbbf24;
    background: rgba(245, 158, 11, 0.18);
    animation: timerPulse 1.5s infinite;
}

.badge-timer.danger {
    border-color: rgba(239, 68, 68, 0.6);
    color: #f87171;
    background: rgba(239, 68, 68, 0.22);
    animation: timerPulse 0.8s infinite;
}

.badge-timer.admin {
    border-color: rgba(16, 185, 129, 0.4);
    color: #34d399;
    background: rgba(16, 185, 129, 0.08);
}

@keyframes timerPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.04); }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* User Authentication in Header */
.user-auth-section {
    display: flex;
    align-items: center;
}

.user-profile-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 3px 8px 3px 4px;
    border-radius: 20px;
    font-size: 0.82rem;
}

.user-avatar-tag {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #fff;
    font-weight: 700;
    font-size: 0.72rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-info-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    text-align: left;
}

.user-display-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.8rem;
}

.user-role-tag {
    font-size: 0.65rem;
    color: var(--accent-cyan);
    font-weight: 600;
    text-transform: uppercase;
}

.btn-user-rooms {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    border-radius: 14px;
    padding: 2px 8px;
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.15s ease;
}

.btn-user-rooms:hover {
    background: rgba(59, 130, 246, 0.25);
}

.btn-user-rooms .badge-count {
    background: #3b82f6;
    color: #fff;
    border-radius: 999px;
    padding: 0 5px;
    font-size: 0.65rem;
}

.btn-user-logout {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 2px 4px;
    border-radius: 4px;
}

.btn-user-logout:hover {
    color: var(--accent-danger);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: var(--bg-surface-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-secondary svg {
    width: 16px;
    height: 16px;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    border: none;
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transition: all 0.2s ease;
}

.btn-accent:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* ==========================================================================
   Main Stage & Dynamic Video Grid
   ========================================================================== */
.main-stage {
    flex: 1;
    display: flex;
    position: relative;
    overflow: hidden;
}

.stage-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 16px;
    position: relative;
    overflow-y: auto;
}

#videoGrid {
    flex: 1;
    display: grid;
    gap: 16px;
    width: 100%;
    height: 100%;
    align-content: center;
    justify-content: center;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
}

#videoGrid.count-1 {
    grid-template-columns: 1fr;
    max-width: 960px;
    margin: 0 auto;
}

#videoGrid.count-2 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 1300px;
    margin: 0 auto;
}

#videoGrid.count-3,
#videoGrid.count-4 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 1200px;
    margin: 0 auto;
}

#videoGrid.count-5,
#videoGrid.count-6 {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1400px;
    margin: 0 auto;
}

/* ==========================================================================
   Video Card Component
   ========================================================================== */
.video-card {
    position: relative;
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 16 / 9;
    max-height: calc(100vh - var(--header-height) - var(--bottom-bar-height) - 48px);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.video-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.video-card.speaking {
    box-shadow: 0 0 0 3px var(--accent-green), 0 8px 24px rgba(16, 185, 129, 0.25);
    border-color: var(--accent-green);
}

.video-card.screen-share {
    grid-column: 1 / -1;
    aspect-ratio: auto;
    height: 100%;
    max-height: 80vh;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px var(--accent-blue);
}

.video-card video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    background: #000;
}

.video-card.screen-share video {
    object-fit: contain;
}

.video-card.local-video video {
    transform: scaleX(-1);
}

/* Card Avatar Placeholder */
.card-avatar-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #242a3d 0%, #11141d 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 2;
    transition: opacity 0.3s ease;
}

.avatar-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4f46e5, #06b6d4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.4);
}

.avatar-name {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Hand Raised Floating Badge on Video Card */
.card-hand-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(245, 158, 11, 0.95);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
    z-index: 6;
    animation: handBounce 1s infinite alternate ease-in-out;
}

@keyframes handBounce {
    from { transform: translateY(0); }
    to { transform: translateY(-4px); }
}

/* Card Bottom Info Overlay */
.card-overlay-info {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(15, 17, 23, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 5;
    font-size: 0.85rem;
    font-weight: 500;
}

.card-role-pill {
    background: rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.4);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}

.card-overlay-status {
    position: absolute;
    bottom: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 5;
}

.status-icon-pill {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(15, 17, 23, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.status-icon-pill.muted {
    background: rgba(239, 68, 68, 0.85);
    border-color: rgba(239, 68, 68, 0.4);
    color: white;
}

.status-icon-pill svg {
    width: 16px;
    height: 16px;
}

.screen-share-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(59, 130, 246, 0.85);
    color: white;
    backdrop-filter: blur(8px);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 5;
}

/* ==========================================================================
   Bottom Floating Control Dock
   ========================================================================== */
.bottom-dock-container {
    height: var(--bottom-bar-height);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    z-index: 20;
    flex-shrink: 0;
}

.control-dock {
    background: rgba(24, 27, 36, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

.control-btn {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.control-btn:hover {
    background: var(--bg-surface-hover);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.control-btn:active {
    transform: translateY(0);
}

.control-btn svg {
    width: 22px;
    height: 22px;
    transition: transform 0.2s ease;
}

.control-btn.active-blue {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.control-btn.active-warning {
    background: var(--accent-warning);
    border-color: var(--accent-warning);
    color: white;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
}

.control-btn.active-danger {
    background: var(--accent-danger);
    border-color: var(--accent-danger);
    color: white;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4);
}

.control-btn.btn-hangup {
    background: var(--accent-danger);
    border-color: var(--accent-danger);
    color: white;
    width: 56px;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.4);
}

.control-btn.btn-hangup:hover {
    background: var(--accent-danger-hover);
}

.badge-unread {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--accent-danger);
    color: white;
    font-size: 0.72rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    border: 2px solid var(--bg-card);
}

.dock-divider {
    width: 1px;
    height: 28px;
    background: var(--border-color);
    margin: 0 4px;
}

.control-btn[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: rgba(15, 17, 23, 0.95);
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.15s ease;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    z-index: 50;
}

.control-btn[data-tooltip]:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   Side Drawers (Chat & Participants)
   ========================================================================== */
.side-drawer {
    position: absolute;
    top: 0;
    right: 0;
    width: var(--drawer-width);
    height: 100%;
    background: var(--bg-card);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 15;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.3);
}

.side-drawer.open {
    transform: translateX(0);
}

.drawer-header {
    height: var(--header-height);
    padding: 0 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.drawer-title {
    font-size: 1.05rem;
    font-weight: 600;
}

.btn-close-drawer {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.btn-close-drawer:hover {
    color: var(--text-primary);
    background: var(--bg-surface);
}

.drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* Host Controls Section in Participants Drawer */
.host-controls-panel {
    background: rgba(30, 34, 48, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 6px;
}

.host-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.host-panel-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: #93c5fd;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-host-action {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.btn-host-action:hover {
    background: var(--bg-surface-hover);
}

.btn-host-action.danger:hover {
    background: var(--accent-danger);
    border-color: var(--accent-danger);
}

.host-toggles-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.host-toggle-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 8px 10px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    font-weight: 500;
}

.switch {
    position: relative;
    display: inline-block;
    width: 32px;
    height: 18px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #334155;
    transition: .3s;
    border-radius: 18px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-blue);
}

input:checked + .slider:before {
    transform: translateX(14px);
}

/* Chat Messages */
.chat-message {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 85%;
}

.chat-message.self {
    align-self: flex-end;
}

.chat-message.remote {
    align-self: flex-start;
}

.chat-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.chat-sender {
    font-weight: 600;
    color: var(--text-secondary);
}

.chat-message.self .chat-sender {
    color: var(--accent-blue);
}

.chat-bubble {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.88rem;
    line-height: 1.4;
    word-break: break-word;
}

.chat-message.self .chat-bubble {
    background: var(--accent-blue);
    color: white;
    border-bottom-right-radius: 2px;
}

.chat-message.remote .chat-bubble {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-bottom-left-radius: 2px;
    border: 1px solid var(--border-color);
}

.chat-system-notice {
    align-self: center;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 12px;
    margin: 4px 0;
}

.drawer-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-surface);
}

.chat-input-form {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 4px 8px;
}

.chat-input-form:focus-within {
    border-color: var(--accent-blue);
}

.chat-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.88rem;
    padding: 8px;
    font-family: inherit;
}

.btn-send {
    background: var(--accent-blue);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-send:hover {
    background: var(--accent-blue-hover);
}

.btn-send svg {
    width: 16px;
    height: 16px;
}

/* Participant List Items */
.participant-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--bg-surface);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    gap: 8px;
}

.participant-item-info {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
}

.participant-avatar-small {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.participant-details {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.participant-item-name {
    font-size: 0.88rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.participant-item-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.participant-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.btn-pt-action {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-pt-action:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

.btn-pt-action.danger:hover {
    background: var(--accent-danger);
    border-color: var(--accent-danger);
    color: white;
}

/* ==========================================================================
   Modals & Tabs
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 520px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

/* Modal Tabs */
.modal-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.modal-tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-surface);
}

.modal-tab-btn.active {
    color: white;
    background: var(--accent-blue);
}

.modal-input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.modal-input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.modal-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.modal-input {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.95rem;
    outline: none;
    font-family: inherit;
}

.modal-input:focus {
    border-color: var(--accent-blue);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 8px;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: var(--accent-blue-hover);
}

/* Scheduled Meetings Cards */
.meeting-cards-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 380px;
    overflow-y: auto;
}

.meeting-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.meeting-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.meeting-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.meeting-card-time {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.meeting-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.meeting-card-badges {
    display: flex;
    align-items: center;
    gap: 6px;
}

.badge-tag {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.meeting-card-btns {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: calc(var(--bottom-bar-height) + 20px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 90;
    pointer-events: none;
}

.toast {
    background: rgba(15, 17, 23, 0.95);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    color: var(--text-primary);
    padding: 10px 18px;
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 500;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1), toastOut 0.3s ease 2.7s forwards;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
    to { opacity: 0; transform: translateY(-8px); }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .header-bar {
        padding: 0 10px;
    }
    .brand-title {
        display: none;
    }
    .stage-content {
        padding: 10px;
    }
    #videoGrid {
        gap: 10px;
        grid-template-columns: 1fr;
    }
    .side-drawer {
        width: 100%;
    }
    .control-dock {
        padding: 6px 10px;
        gap: 6px;
    }
    .control-btn {
        width: 40px;
        height: 40px;
    }
}