/* ===== RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* ===== BODY ===== */
body {
    background: #0f172a; /* dark blue */
    color: #e2e8f0;
    text-align: center;
    padding: 20px;
}

/* ===== TITLE ===== */
h2 {
    margin-bottom: 20px;
    font-weight: 500;
}

/* ===== CONTAINER ===== */
.container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 20px;
}

/* ===== VIDEO ===== */
video {
    width: 640px;
    height: 480px;
    background: black;
    border-radius: 10px;
    border: 2px solid #334155;
}

/* ===== INFO PANEL ===== */
#info {
    text-align: left;
    background: #1e293b;
    padding: 20px;
    border-radius: 10px;
    min-width: 250px;
    border: 1px solid #334155;
}

#info p {
    margin-bottom: 10px;
    font-size: 16px;
}

/* ===== VALUES ===== */
#valve {
    color: #22c55e; /* green */
    font-weight: bold;
}

#warnings {
    color: #ef4444; /* red */
    font-weight: bold;
}

#multi {
    color: #facc15; /* yellow */
    font-weight: bold;
}

/* ===== BUTTON ===== */
button {
    padding: 10px 20px;
    font-size: 16px;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s ease;
}

button:hover {
    background: #2563eb;
}

button:active {
    transform: scale(0.98);
}