body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #064e3b 100%);
    color: #f8fafc;
    min-height: 100vh;
    overflow-x: hidden;
}

.glass-panel {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.glass-btn {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
}

.glass-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

video {
    object-fit: cover;
    width: 100%;
    height: 100%;
    border-radius: 0.75rem;
    background: #000;
}

/* Full view modal */
#fullview-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.85);
    z-index: 60;
    align-items: center;
    justify-content: center;
}

#fullview-content {
    position: relative;
    width: 95%;
    max-width: 1000px;
    height: 85%;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center
}

#fullview-content video {
    width: 100%;
    height: 100%;
    object-fit: contain
}

#fullview-close,
#fullview-fullscreen {
    position: absolute;
    top: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center
}

#fullview-close {
    right: 12px
}

#fullview-fullscreen {
    right: 60px
}

/* Use contain for local previews so the full camera is visible */
.local-preview {
    object-fit: contain;
    background: #000;
}

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

.view-section {
    display: none;
}

.view-section.active {
    display: flex;
}

.fade-in {
    animation: fadeIn 0.4s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Active speaker highlight */
.speaking {
    box-shadow: 0 0 18px 6px rgba(34, 197, 94, 0.18);
    transform: translateY(-4px);
    transition: box-shadow 0.12s ease, transform 0.12s ease;
}

/* Responsive video grid */
#video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

/* Controls styling for touch devices */
#controls-bar .control-btn {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
}

@media (max-width: 640px) {

    /* single column on narrow screens */
    #video-grid {
        grid-template-columns: 1fr;
        padding: 1rem;
        gap: 0.75rem;
    }

    /* make controls wrap and bigger */
    #controls-bar {
        padding: 0.75rem;
        gap: 0.5rem;
    }

    #controls-bar .control-btn {
        width: 56px;
        height: 56px;
        min-width: 56px;
        min-height: 56px;
    }

    /* sidebar becomes full overlay */
    #sidebar {
        width: 100%;
        top: auto;
        bottom: 0;
        height: 48%;
        transform: translateY(100%);
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    #sidebar.translate-x-full {
        transform: translateY(100%);
    }

    #sidebar.show {
        transform: translateY(0);
    }

    /* video containers reduce border radius on mobile */
    .rounded-2xl {
        border-radius: 0.75rem;
    }
}