body {
    font-family: 'Orbitron', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #000;
    color: #fff;
    margin: 0;
}

.container {
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    animation: fadeIn 2s;
}

.stopwatch {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: fadeIn 2s;
}

.buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

button {
    padding: 15px 30px;
    font-size: 1.5rem;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: #fff;
    color: #000;
    transition: background-color 0.3s, color 0.3s;
}

button:disabled {
    background-color: #666;
    cursor: not-allowed;
    color: #fff;
}

button:hover:not(:disabled) {
    background-color: #000;
    color: #fff;
}

.laps {
    animation: fadeIn 2s;
}

.laps h2 {
    margin: 10px 0;
}

.lap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px;
    border-bottom: 1px solid #fff;
}

.lap i {
    cursor: pointer;
    color: #ff0000;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}