:root {
    --bg-dark: #0f172a;
    --bg-panel: #1e293b;
    --border: #334155;
    --text-primary: #e2e8f0;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --success: #10b981;
    --danger: #ef4444;
    --mono: 'Roboto Mono', monospace;
}

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

body {
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    height: 100vh;
    overflow: hidden;
}

.layout {
    display: flex;
    height: 100%;
    border-top: 2px solid var(--accent);
}

/* Sidebar */
.sidebar {
    width: 300px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    overflow-y: auto;
}

.brand {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
}

.brand h1 {
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: var(--text-primary);
}

.brand-icon {
    width: 20px;
    height: 20px;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.stats-panel {
    margin-bottom: 2rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.8rem;
    font-family: var(--mono);
    font-size: 0.8rem;
}

.stat-label {
    color: var(--text-muted);
}

.stat-value {
    font-weight: bold;
}

.stat-value.active {
    color: var(--success);
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.stat-value.highlight {
    color: var(--accent);
}

.log-panel {
    flex-grow: 1;
    background: #000;
    border: 1px solid var(--border);
    padding: 1rem;
    font-family: var(--mono);
    font-size: 0.7rem;
    overflow-y: hidden;
    display: flex;
    flex-direction: column;
}

.log-line {
    margin-bottom: 4px;
    color: var(--text-muted);
    word-break: break-all;
}

/* Main Content */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.video-grid {
    flex-grow: 1;
    padding: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    grid-auto-rows: min-content;
    gap: 1rem;
    overflow-y: auto;
}

/* Cam Unit */
.cam-unit {
    background: #000;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s;
}

.cam-unit:hover {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
    border-color: var(--accent);
}

.cam-header {
    background: var(--bg-panel);
    padding: 0.5rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    font-family: var(--mono);
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.rec-dot {
    color: var(--danger);
    animation: blink 2s infinite;
    font-weight: bold;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.cam-view {
    aspect-ratio: 16/9;
    position: relative;
    background: #111;
    overflow: hidden;
}

.cam-footer {
    padding: 0.5rem;
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border);
    background: var(--bg-panel);
    align-items: center;
}

.cam-loc {
    font-size: 0.7rem;
    font-family: var(--mono);
    color: var(--text-muted);
}

.cam-actions {
    display: flex;
    gap: 0.5rem;
}

.cam-actions button {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-family: var(--mono);
    font-size: 0.6rem;
    padding: 4px 8px;
    cursor: pointer;
}

.cam-actions button:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

/* Modals */
.modal-overlay {
    display: none;
}

/* Managed by JS/Inline in Index */
.modal {
    background: var(--bg-panel);
    border: 1px solid var(--accent);
    padding: 2rem;
    width: 400px;
}

/* Login Support (Auth classes) */
.auth-container {
    width: 320px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
}

.auth-input {
    width: 100%;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: #fff;
    padding: 0.8rem;
    margin: 1rem 0;
    text-align: center;
}

.auth-btn {
    width: 100%;
    background: var(--accent);
    color: #000;
    padding: 0.8rem;
    border: none;
    font-weight: bold;
    cursor: pointer;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        max-height: 250px;
        flex-shrink: 0;
        order: -1;
        padding: 1rem;
    }

    .log-panel {
        display: none;
    }

    /* Hide logs on mobile to save space */
    .brand {
        margin-bottom: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .video-grid {
        grid-template-columns: 1fr;
        padding: 0.5rem;
    }

    .main-content {
        height: 100%;
    }
}