/**
 * MyPodOps Studio - Participant Grid Layouts
 * Responsive grid system for 1-17 participants
 */

.video-grid {
    display: grid;
    gap: 12px;
    padding: 16px;
    height: 100%;
    width: 100%;
    background: #0f0f1e;
    border-radius: 12px;
}

/* Participant Container */
.participant-container {
    position: relative;
    background: #1a1a2e;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.participant-container:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

.video-container,
.video-placeholder {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.participant-avatar {
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
}

/* Participant Info Overlay */
.participant-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.participant-name {
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

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

.audio-badge,
.video-badge {
    background: rgba(220, 53, 69, 0.9);
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.network-quality-badge {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
}

/* Grid Layouts */

/* 1 Participant - Full Screen */
.grid-1 {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}

/* 2 Participants - Side by Side */
.grid-2 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
}

/* 3 Participants - 1 row */
.grid-3 {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 1fr;
}

/* 4 Participants - 2x2 Grid */
.grid-4 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

/* 5-6 Participants - 2x3 Grid */
.grid-6 {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 1fr 1fr;
}

/* 7-9 Participants - 3x3 Grid */
.grid-9 {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
}

/* 10-12 Participants - 3x4 Grid */
.grid-12 {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, 1fr);
}

/* 13-16 Participants - 4x4 Grid */
.grid-16 {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
}

/* 17+ Participants - 4x5 Grid */
.grid-20 {
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(4, 1fr);
}

/* Spotlight Layout (1 large + thumbnails) */
.layout-spotlight {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.spotlight-main {
    flex: 1;
    min-height: 70%;
}

.spotlight-thumbnails {
    display: flex;
    gap: 8px;
    height: 25%;
    overflow-x: auto;
}

.spotlight-thumbnail {
    flex: 0 0 200px;
    height: 100%;
}

/* Screen Share Layout (large screen + thumbnails sidebar) */
.layout-screenshare {
    display: grid;
    grid-template-columns: 1fr 250px;
    gap: 12px;
}

.screenshare-main {
    grid-column: 1;
    grid-row: 1 / -1;
}

.screenshare-thumbnail {
    grid-column: 2;
    height: 180px;
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
    .grid-12,
    .grid-16,
    .grid-20 {
        grid-template-columns: repeat(3, 1fr);
    }

    .layout-screenshare {
        grid-template-columns: 1fr 200px;
    }

    .screenshare-thumbnail {
        height: 150px;
    }
}

@media (max-width: 768px) {
    .video-grid {
        gap: 8px;
        padding: 8px;
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .grid-6,
    .grid-9,
    .grid-12,
    .grid-16,
    .grid-20 {
        grid-template-columns: 1fr 1fr;
        grid-auto-rows: 200px;
    }

    .layout-screenshare {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }

    .screenshare-main {
        grid-column: 1;
        grid-row: 1;
    }

    .screenshare-thumbnail {
        grid-column: 1;
        grid-row: auto;
        height: 120px;
    }

    .spotlight-thumbnail {
        flex: 0 0 150px;
    }
}

/* Active Speaker Highlight */
.participant-container.active-speaker {
    border: 3px solid #00ff00;
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.5);
}

/* Loading State */
.participant-container.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Hover Controls */
.participant-container:hover .participant-controls {
    opacity: 1;
}

.participant-controls {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    gap: 6px;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 11;
}

.participant-controls button {
    background: rgba(0, 0, 0, 0.7);
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background 0.2s ease;
}

.participant-controls button:hover {
    background: rgba(0, 0, 0, 0.9);
}

/* Pin/Unpin Icon */
.pin-participant {
    background: rgba(255, 193, 7, 0.9) !important;
}

.pin-participant:hover {
    background: rgba(255, 193, 7, 1) !important;
}