body {
    background-color: #2c3e50;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: white;
}

.container {
    background-color: #34495e;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    text-align: center;
    width: 1000px;
}

.display {
    font-size: 12rem;
    font-weight: bold;
    margin: 20px 0;
    font-variant-numeric: tabular-nums; /* Mantém os números alinhados */
    color: #e74c3c;
}

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

.input-group {
    display: flex;
    flex-direction: column;
}

input {
    width: 50px;
    padding: 8px;
    border-radius: 5px;
    border: none;
    text-align: center;
    font-size: 1.2rem;
}

.controls button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    margin: 5px;
    transition: transform 0.1s;
}

.controls button:active {
    transform: scale(0.95);
}

#btn-start { background-color: #27ae60; color: white; }
#btn-pause { background-color: #f39c12; color: white; }
#btn-reset { background-color: #c0392b; color: white; }
button:disabled { opacity: 0.5; cursor: not-allowed; }