body {
    margin: 0;
    background: #0f172a;
    font-family: Arial, sans-serif;
    color: white;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 20px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

h1 {
    margin: 0;
}

.timer {
    font-size: 18px;
    background: #1e293b;
    padding: 10px 15px;
    border-radius: 10px;
}

.camera-box {
    background: #1e293b;
    padding: 15px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

#camera {
    width: 100%;
    max-height: 600px;
    border-radius: 15px;
}

.controls {
    margin-top: 20px;
    text-align: center;
}

button {
    padding: 12px 20px;
    margin: 10px;
    border: none;
    border-radius: 10px;
    background: #3b82f6;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    background: #2563eb;
}

.logout {
    background: #ef4444;
}

.logout:hover {
    background: #dc2626;
}