/* Styles des boutons d'action */
.btn {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(44, 62, 80, 0.2);
}

.btn:active {
    transform: translateY(0);
}

/* Variantes de boutons */
.btn-primary {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
}

.btn-secondary {
    background: linear-gradient(135deg, #34495e 0%, #7f8c8d 100%);
}

.btn-light {
    background: linear-gradient(135deg, #ecf0f1 0%, #bdc3c7 100%);
    color: #2c3e50;
}

/* Responsive */
@media (max-width: 768px) {
    .btn {
        padding: 10px 25px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
}