/* 自定义弹框样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 24px;
    min-width: 320px;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal-overlay.show .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.modal-icon {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-icon.success {
    color: #10b981;
}

.modal-icon.error {
    color: #ef4444;
}

.modal-icon.warning {
    color: #f59e0b;
}

.modal-icon.info {
    color: #3b82f6;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
}

.modal-message {
    color: #6b7280;
    line-height: 1.5;
    margin-bottom: 20px;
    font-size: 14px;
}

.modal-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.modal-btn {
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 80px;
}

.modal-btn-primary {
    background-color: #3b82f6;
    color: white;
}

.modal-btn-primary:hover {
    background-color: #2563eb;
}

.modal-btn-secondary {
    background-color: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
}

.modal-btn-secondary:hover {
    background-color: #e5e7eb;
}

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

.modal-btn-danger:hover {
    background-color: #dc2626;
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}