@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600&display=swap');

body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;

    /* 🔥 DARK GRADIENT BACKGROUND */
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    font-family: 'Orbitron', sans-serif;
}

/* MAIN CARD */
.container-box {
    width: 90%;
    max-width: 500px;
    padding: 50px;
    text-align: center;

    background: url("background.jpg") center/cover no-repeat;
    
    /* GLASS EFFECT */
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);

    border-radius: 20px;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.6);
}

/* TIMER */
#display-time {
    font-size: 60px;
    color: #00e5ff;

    /* GLOW EFFECT */
    text-shadow: 0 0 20px rgba(0, 229, 255, 0.8);
    margin-bottom: 30px;
}

/* BUTTONS */
.buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

button {
    width: 90px;
    height: 45px;
    border-radius: 10px;
    font-weight: bold;
    transition: all 0.3s ease;
}

/* HOVER EFFECT */
button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(255,255,255,0.4);
}