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

video {
    height: 100%;
    width: 100%;
    object-fit: cover;
    position: fixed;
}

.container {
    background: rgba(0, 0, 0, 0.5);
    width: 40%;
    min-width: 500px;
    height: auto; /* Content height adapts but will not affect set height */
    position: absolute;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    padding: 20px 0;
    padding-bottom: 40px;
    border-radius: 10px;
    box-shadow: rgb(255, 255, 255) 0px 2px 8px;
}

.timer-display {
    position: relative;
    width: 92%;
    background: rgba(0, 0, 0, 0.5);
    left: 4%;
    font-family: 'Roboto mono', monospace;
    color: white;
    font-size: 30px;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    border-radius: 5px;
    box-shadow: rgb(255, 255, 255) 0px 1px 4px, rgb(255, 255, 255) 0px 0px 0px 3px;
}

.buttons {
    width: 90%;
    margin: 60px auto 0 auto;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap; /* Ensures buttons adjust on smaller screens */
    gap: 15px; 
}

.S,
.P,
.R {
    width: 120px;
    height: 45px;
    background: rgba(81, 255, 0, 0.5);
    color: #fff;
    border: none;
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    border-radius: 5px;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
}

.S:hover {
    color: black;
    background: #51ff0080;
    box-shadow: 0 0 10px #51ff0080, 0 0 40px #51ff0080, 0 0 80px #51ff0080;
}

.P {
    background: rgba(255, 0, 0, 0.5);
}

.P:hover {
    color: black;
    background: #ff0000;
    box-shadow: 0 0 10px #ff0000, 0 0 40px #ff0000, 0 0 80px #ff0000;
}

.R {
    background: rgba(255, 255, 0, 0.5);
}

.R:hover {
    color: black;
    background: #FFFF00;
    box-shadow: 0 0 10px #FFFF00, 0 0 40px #FFFF00, 0 0 80px #FFFF00;
}

/* Media Queries */
@media (max-width: 768px) {
    .container {
        width: 80%;
        min-width: unset;
        
    }

    .timer-display {
        font-size: 24px; 
        padding: 30px;
    }

    .buttons {
        gap: 10px;
    }

    .S,
    .P,
    .R {
        width: 100px; 
        height: 40px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        width: 90%; 
        min-width: unset;
    }

    .timer-display {
        font-size: 20px; 
        padding: 20px;
    }

    .S,
    .P,
    .R {
        width: 90px; 
        height: 35px;
        font-size: 14px;
    }
}