/* button.css — 按鈕 */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.1s;
    width: 100%;
}

.btn:hover {
    opacity: 0.9;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: #6366f1;
    color: #fff;
}

.btn-danger {
    background: #ef4444;
    color: #fff;
}

.btn-loading {
    position: relative;
}