/* 创意头脑风暴组件样式 */

/* 主要容器样式 */
.creative-brainstorming-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 表单区域样式 */
.creative-brainstorming-form {
    background: var(--form-bg-color, #ffffff);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 24px;
}

/* 主题输入框样式 */
.session-topic-input {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    background: var(--input-bg-color, #ffffff);
    color: var(--text-color, #333333);
}

.session-topic-input:focus {
    outline: none;
    border-color: var(--primary-color, #3b82f6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 选择器样式 */
.session-type-selector,
.team-size-selector,
.session-duration-selector {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    font-size: 14px;
    background: var(--input-bg-color, #ffffff);
    color: var(--text-color, #333333);
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.session-type-selector:focus,
.team-size-selector:focus,
.session-duration-selector:focus {
    outline: none;
    border-color: var(--primary-color, #3b82f6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 复选框组样式 */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 12px;
    margin: 16px 0;
}

.checkbox-item {
    display: flex;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 6px;
    background: var(--checkbox-bg-color, #f8fafc);
    transition: all 0.3s ease;
    cursor: pointer;
}

.checkbox-item:hover {
    background: var(--checkbox-hover-bg-color, #f1f5f9);
    border-color: var(--primary-color, #3b82f6);
}

.checkbox-item input[type="checkbox"] {
    margin-right: 8px;
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color, #3b82f6);
}

.checkbox-item label {
    font-size: 14px;
    color: var(--text-color, #333333);
    cursor: pointer;
    flex: 1;
}

/* 文本区域样式 */
.textarea-field {
    width: 100%;
    min-height: 100px;
    padding: 16px;
    border: 2px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    background: var(--input-bg-color, #ffffff);
    color: var(--text-color, #333333);
    transition: border-color 0.3s ease;
}

.textarea-field:focus {
    outline: none;
    border-color: var(--primary-color, #3b82f6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 字段组样式 */
.field-group {
    margin-bottom: 24px;
}

.field-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--label-color, #374151);
    font-size: 14px;
}

.field-group .description {
    font-size: 12px;
    color: var(--description-color, #6b7280);
    margin-top: 4px;
    line-height: 1.4;
}

/* 按钮样式 */
.brainstorming-button {
    background: linear-gradient(135deg, var(--primary-color, #3b82f6) 0%, var(--primary-dark, #2563eb) 100%);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.brainstorming-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.brainstorming-button:active {
    transform: translateY(0);
}

.brainstorming-button .icon {
    font-size: 18px;
}

/* 结果区域样式 */
.brainstorming-result {
    background: var(--result-bg-color, #ffffff);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-top: 24px;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
}

.result-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--title-color, #1f2937);
}

.result-actions {
    display: flex;
    gap: 8px;
}

.action-button {
    background: var(--secondary-bg-color, #f3f4f6);
    border: none;
    border-radius: 6px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-color, #333333);
}

.action-button:hover {
    background: var(--secondary-hover-bg-color, #e5e7eb);
    border-color: var(--primary-color, #3b82f6);
}

/* 加载状态样式 */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color, #e2e8f0);
    border-top: 4px solid var(--primary-color, #3b82f6);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

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

.loading-text {
    font-size: 16px;
    color: var(--text-color, #333333);
    margin-bottom: 8px;
}

.loading-subtitle {
    font-size: 14px;
    color: var(--description-color, #6b7280);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .creative-brainstorming-container {
        padding: 16px;
    }
    
    .creative-brainstorming-form {
        padding: 16px;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .brainstorming-button {
        width: 100%;
        justify-content: center;
    }
    
    .result-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .result-actions {
        width: 100%;
        justify-content: space-between;
    }
}

/* 暗色主题支持 */
@media (prefers-color-scheme: dark) {
    .creative-brainstorming-container {
        --form-bg-color: #1f2937;
        --input-bg-color: #374151;
        --text-color: #f9fafb;
        --border-color: #4b5563;
        --label-color: #d1d5db;
        --description-color: #9ca3af;
        --title-color: #f9fafb;
        --result-bg-color: #1f2937;
        --secondary-bg-color: #374151;
        --secondary-hover-bg-color: #4b5563;
        --checkbox-bg-color: #374151;
        --checkbox-hover-bg-color: #4b5563;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .creative-brainstorming-container {
        --border-color: #000000;
        --text-color: #000000;
        --label-color: #000000;
        --title-color: #000000;
    }
    
    .brainstorming-button {
        border: 2px solid #000000;
    }
    
    .checkbox-item {
        border: 2px solid #000000;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    .brainstorming-button,
    .checkbox-item,
    .session-topic-input,
    .session-type-selector,
    .team-size-selector,
    .session-duration-selector,
    .textarea-field,
    .action-button {
        transition: none;
    }
    
    .brainstorming-button:hover {
        transform: none;
    }
    
    .loading-spinner {
        animation: none;
    }
}