body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f0f8ff;
    color: #333;
    margin: 0;
    padding: 0;
}

.header {
    background-color: #1e5799;
    color: white;
    padding: 20px;
    text-align: center;
}

    .header h1 {
        margin: 0;
    }

.nav {
    background-color: #2e8b57;
    padding: 10px;
    text-align: center;
}

    .nav a {
        color: white;
        margin: 0 15px;
        text-decoration: none;
        font-weight: bold;
    }

        .nav a:hover {
            text-decoration: underline;
        }

.main-content {
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.footer {
    background-color: #1e5799;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 40px;
}

/* Main layout - CSS Grid: cameras left, live viewer right */
.camera-layout-container {
    display: grid;
    grid-template-columns: 360px 1fr; /* left column fixed for cameras, right fills space */
    gap: 30px;
    width: 100%;
    margin: 30px 0;
}

    /* Live viewer on the RIGHT - large area */
    .camera-layout-container #live-viewer {
        grid-column: 2;
        margin: 0;
    }

    /* Camera listings on the LEFT - vertical single column, compact cards */
    .camera-layout-container .camera-grid {
        grid-column: 1;
        display: flex;
        flex-direction: column;
        gap: 16px;
        margin: 0;
    }

    /* Smaller, neat cards to show more vertically in left column */
    .camera-layout-container .camera-card {
        width: 100%;
        max-width: 340px;
        min-width: 260px;
        box-sizing: border-box;
    }

    .camera-layout-container .preview-container {
        height: 130px; /* Smaller thumbnails */
    }

/* Consistent card styling */
.camera-card {
    background: #e0f7fa;
    border: 1px solid #81d4fa;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.12);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: rgba(0,0,0,0.1);
}

    .camera-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 8px 20px rgba(0,0,0,0.18);
    }

    .camera-card:active {
        opacity: 0.85;
        transform: scale(0.98);
    }

.preview-container {
    position: relative;
    overflow: hidden;
    background: #000;
}

.preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s;
}

.camera-card:hover .preview-img {
    opacity: 0.85;
}

.overlay-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3em;
    color: rgba(255,255,255,0.7);
    pointer-events: none;
}

.camera-info {
    padding: 12px 15px;
    text-align: center;
}

    .camera-info h3 {
        margin: 0 0 8px;
        font-size: 1.25em;
        color: #004d40;
    }

    .camera-info p {
        margin: 0;
        font-size: 0.95em;
        color: #555;
    }

.viewers-info {
    font-size: 0.9em;
    color: #666;
    margin-top: 5px;
}

#live-viewer {
    margin: 0;
    text-align: center;
    background: white;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #ccc;
    position: relative;
}

.vjs-big-play-button {
    background-color: rgba(0, 0, 0, 0.6) !important;
    border: none !important;
    border-radius: 50% !important;
    width: 80px !important;
    height: 80px !important;
    line-height: 80px !important;
    font-size: 40px !important;
    color: white !important;
}

    .vjs-big-play-button:before {
        content: "▶" !important;
        font-family: VideoJS !important;
    }

.vjs-error-display {
    display: none !important;
}

.no-cameras {
    text-align: center;
    padding: 50px;
    font-size: 1.3em;
    color: #666;
}

/* Mobile fallback - stack vertically */
@media (max-width: 992px) {
    .camera-layout-container {
        grid-template-columns: 1fr;
    }

    #live-viewer,
    .camera-grid {
        grid-column: auto;
    }

    .preview-container {
        height: 180px;
    }
}