/* Stopwatch */
.stopwatch-container {
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    width: 220px;
}

.stopwatch-title {
    font-weight: 500;
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 1.5rem;
}

#stopwatch-display {
    font-size: 3.5rem;
    font-weight: 500;
    color: #5E8B7E;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stopwatch-label {
    font-size: 0.85rem;
    color: #a0aec0;
    margin-bottom: 2rem;
}

.stopwatch-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.stopwatch-buttons button {
    padding: 10px;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: 0.2s;
}

#start-btn {
    background: #5E8B7E;
    color: #fff;
}
#start-btn:hover { background: #4d7a6d; }

#stop-btn {
    background: #f6f9f8;
    color: #4a5568;
    border: 1px solid #e2e8f0;
}
#stop-btn:hover { 
    background: #edf2f7; 
}

#reset-btn {
    background: #f6f9f8;
    color: #e07070;
    border: 1px solid #fed7d7;
}
#reset-btn:hover { background: #fff5f5; }