:root {
    --bg-color: #0d0d12;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-color: #00f3ff;
    --accent-glow: rgba(0, 243, 255, 0.4);
    --danger-color: #ff004c;
    --danger-glow: rgba(255, 0, 76, 0.6);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Background Gradients */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 243, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}

.accent {
    color: var(--accent-color);
    text-shadow: 0 0 20px var(--accent-glow);
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Glass Panel Utility */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
}

/* Grid Layout */
.monitor-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    width: 100%;
}

@media (min-width: 900px) {
    .monitor-grid {
        grid-template-columns: 2fr 1fr;
    }
}

/* Video Card */
.video-card {
    position: relative;
    overflow: hidden;
    padding: 0;
    /* Let video fill */
    display: flex;
    justify-content: center;
    align-items: center;
    background: #000;
    aspect-ratio: 16/9;
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.input_video {
    display: none;
    /* We use canvas for rendering or just overlays. Actually let's flip it. */
    /* Often we hide the raw video and draw to canvas, OR show raw video and draw canvas on top.
       Let's show video with canvas absolute on top. */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1);
    /* Mirror effect */
}

/* Wait, usually FaceMesh wants the video element to read from. Let's make video visible but mirrored. */
.input_video {
    display: block;
}

.output_canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: scaleX(-1);
    /* Mirror overlay too */
    pointer-events: none;
}

.status-indicator {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(0, 0, 0, 0.6);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    border: 1px solid var(--glass-border);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #555;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    transition: background-color 0.3s;
}

.dot.active {
    background-color: #00ff66;
    box-shadow: 0 0 10px #00ff66;
}

/* Stats Card */
.stats-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
}

.stats-card h2 {
    font-size: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
}

.stat-item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.stat-item .label {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.stat-item .value {
    font-size: 2rem;
    font-weight: 700;
}

.stat-item .unit {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-left: 0.2rem;
}

.state-normal {
    color: var(--accent-color);
}

.state-closed {
    color: var(--danger-color);
}

/* Glow Button */
.glow-btn {
    margin-top: auto;
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-family: inherit;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.glow-btn:hover {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 0 20px var(--accent-glow);
}

/* Footer */
footer {
    margin-top: auto;
    /* Push to bottom */
    width: 100%;
    text-align: center;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
    padding: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Alert Overlay */
#alert-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle, rgba(255, 0, 76, 0.3) 0%, rgba(255, 0, 76, 0.8) 100%);
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.1s;
}

#alert-overlay.active {
    opacity: 1;
    animation: flash 0.5s infinite alternate;
}

@keyframes flash {
    from {
        opacity: 0.6;
    }

    to {
        opacity: 1;
    }
}

.hidden {
    display: none !important;
}