/* 模态框样式 */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal:not(.hidden) {
    opacity: 1;
    visibility: visible;
}

.modal-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--light-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

.modal-lg .modal-content {
    max-width: 800px;
}

.modal-xl .modal-content {
    max-width: 1200px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--light-border);
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--light-text);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    padding: var(--space-xs);
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-top: 1px solid var(--light-border);
}

/* 动画 */
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes modalSlideOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* 对话框样式 */
.dialog {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.dialog-icon {
    font-size: 48px;
    margin-bottom: var(--space-lg);
}

.dialog-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--light-text);
}

.dialog-message {
    color: #666;
    line-height: 1.6;
    margin-bottom: var(--space-xl);
}

.dialog-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* 加载模态框 */
.loading-modal .modal-content {
    width: 150px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    box-shadow: none;
}

.loading-modal .modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    color: var(--light-text);
    font-size: 16px;
}

/* 表单模态框 */
.form-modal .modal-body {
    padding-bottom: 0;
}

.form-modal .modal-footer {
    padding-top: var(--space-lg);
}

/* 图片预览模态框 */
.image-preview-modal .modal-content {
    max-width: 90vw;
    max-height: 90vh;
    background: transparent;
    box-shadow: none;
}

.image-preview-modal .modal-body {
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-preview-modal img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--radius-md);
}

/* 暗色模式适配 */
@media (prefers-color-scheme: dark) {
    .modal-content {
        background: var(--dark-card);
        border: 1px solid var(--dark-border);
    }
    
    .modal-header {
        border-bottom-color: var(--dark-border);
    }
    
    .modal-title {
        color: var(--dark-text);
    }
    
    .modal-close {
        color: #888;
    }
    
    .modal-close:hover {
        color: var(--danger-color);
    }
    
    .modal-footer {
        border-top-color: var(--dark-border);
    }
    
    .dialog-title {
        color: var(--dark-text);
    }
    
    .dialog-message {
        color: #aaa;
    }
    
    .loading-text {
        color: var(--dark-text);
    }
    
    .loading-spinner {
        border-color: var(--dark-border);
        border-top-color: var(--primary-color);
    }
}