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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

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

header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.1em;
    opacity: 0.9;
}

main {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.video-section {
    margin-bottom: 30px;
}

.video-container {
    position: relative;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

#videoStream {
    width: 100%;
    height: auto;
    display: block;
    max-height: 600px;
    object-fit: contain;
}

.status-indicator {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #4caf50;
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.6);
    animation: pulse 2s infinite;
}

.status-indicator.warning {
    background: #ff9800;
    box-shadow: 0 0 10px rgba(255, 152, 0, 0.6);
}

.status-indicator.danger {
    background: #f44336;
    box-shadow: 0 0 10px rgba(244, 67, 54, 0.6);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.stat-card.warning {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
}

.stat-card.danger {
    background: linear-gradient(135deg, #fab1a0 0%, #e17055 100%);
    color: white;
}

.stat-label {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.stat-card.danger .stat-label {
    color: rgba(255, 255, 255, 0.9);
}

.stat-value {
    font-size: 3em;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.stat-card.danger .stat-value {
    color: white;
}

.stat-entered {
    color: #4caf50;
}

.stat-exited {
    color: #f44336;
}

.stat-subtitle {
    font-size: 0.85em;
    color: #888;
    margin-top: 5px;
}

.stat-card.danger .stat-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.controls-section {
    text-align: center;
}

.reset-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.1em;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    font-weight: 600;
}

.reset-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.reset-btn:active {
    transform: translateY(0);
}

footer {
    text-align: center;
    color: white;
    margin-top: 30px;
    opacity: 0.8;
}

/* Responsive design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }
    
    .stat-value {
        font-size: 2.5em;
    }
    
    main {
        padding: 20px;
    }
}

/* Animation for count updates */
.stat-value {
    transition: transform 0.2s ease;
}

.stat-value.updated {
    transform: scale(1.1);
}
