/* 写作指导页面专用样式 */

/* 指导页面整体布局 */
.guide-page {
    background-color: #f8f9fa;
}

.guide-page .container {
    max-width: 1200px;
}

/* 筛选区域样式 */
.guide-page .card-header {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-bottom: 1px solid #dee2e6;
}

.guide-page .form-label {
    font-weight: 600;
    color: #495057;
}

.guide-page .form-control,
.guide-page .form-select {
    border: 1px solid #dee2e6;
    transition: var(--transition-fast);
}

.guide-page .form-control:focus,
.guide-page .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* 标签页样式 */
.guide-page .nav-tabs {
    border-bottom: 2px solid #dee2e6;
    margin-bottom: 2rem;
}

.guide-page .nav-tabs .nav-link {
    border: none;
    color: #6c757d;
    font-weight: 600;
    padding: 1rem 1.5rem;
    background-color: transparent;
    transition: var(--transition-base);
    position: relative;
}

.guide-page .nav-tabs .nav-link:hover {
    color: var(--primary-color);
    background-color: transparent;
}

.guide-page .nav-tabs .nav-link.active {
    color: var(--primary-color);
    background-color: transparent;
    border: none;
}

.guide-page .nav-tabs .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transition: var(--transition-fast);
}

.guide-page .nav-tabs .nav-link.active::after {
    transform: scaleX(1);
}

/* 写作素材样式 */
.guide-page .material-content {
    max-height: 300px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.guide-page .material-content::-webkit-scrollbar {
    width: 4px;
}

.guide-page .material-content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 2px;
}

.guide-page .material-content::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 2px;
}

.guide-page .material-content::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

.guide-page .material-content blockquote {
    border-left: 4px solid var(--primary-color);
    background-color: #f8f9fa;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.guide-page .material-content .blockquote-footer {
    color: #6c757d;
    font-size: 0.875rem;
}

.guide-page .material-content h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.guide-page .material-content p {
    color: #495057;
    font-size: 0.9rem;
    line-height: 1.6;
}

.guide-page .material-content .badge {
    font-size: 0.75rem;
    margin-bottom: 0.25rem;
}

/* 写作技巧样式 */
.guide-page .accordion-item {
    border: 1px solid #dee2e6;
    margin-bottom: 0.5rem;
    border-radius: var(--border-radius-md) !important;
    overflow: hidden;
}

.guide-page .accordion-header {
    background-color: #f8f9fa;
}

.guide-page .accordion-button {
    background-color: #f8f9fa;
    color: #495057;
    font-weight: 600;
    padding: 1rem;
    border: none;
}

.guide-page .accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: #fff;
}

.guide-page .accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
}

.guide-page .accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23495057'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.guide-page .accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.guide-page .accordion-body {
    background-color: #fff;
    padding: 1rem;
}

/* 技巧分类样式 */
.guide-page .text-primary {
    color: var(--primary-color) !important;
}

.guide-page .text-success {
    color: var(--success-color) !important;
}

.guide-page .text-info {
    color: var(--info-color) !important;
}

.guide-page .text-warning {
    color: var(--warning-color) !important;
}

.guide-page .fw-bold {
    font-weight: 700;
}

.guide-page .small {
    font-size: 0.875rem;
}

/* 模板库样式 */
.guide-page .template-item {
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: #f8f9fa;
    border-radius: var(--border-radius-md);
    border: 1px solid #e9ecef;
    transition: var(--transition-base);
}

.guide-page .template-item:hover {
    background-color: #e9ecef;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.guide-page .template-item .badge {
    font-size: 0.75rem;
    margin-right: 0.5rem;
}

.guide-page .template-item p {
    color: #495057;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.guide-page .template-item .text-muted {
    color: #6c757d !important;
    font-style: italic;
}

.guide-page .template-item .btn-sm {
    font-size: 0.8rem;
    padding: 0.25rem 0.75rem;
}

/* 练习题目样式 */
.guide-page .exercise-item {
    background-color: #fff;
    border: 1px solid #e9ecef;
    border-radius: var(--border-radius-md);
    transition: var(--transition-base);
    cursor: pointer;
}

.guide-page .exercise-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.guide-page .exercise-item h6 {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.guide-page .exercise-item p {
    color: #6c757d;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.guide-page .exercise-item .badge {
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
}

/* 难度标识 */
.guide-page .badge.bg-success {
    background-color: var(--success-color) !important;
}

.guide-page .badge.bg-warning {
    background-color: var(--warning-color) !important;
    color: #000 !important;
}

.guide-page .badge.bg-danger {
    background-color: var(--danger-color) !important;
}

/* 个性化推荐样式 */
.guide-page .alert-info {
    background-color: #e7f3ff;
    border-color: var(--primary-color);
    color: #004085;
}

.guide-page .alert-info i {
    color: var(--primary-color);
}

/* 搜索结果高亮 */
.guide-page .search-highlight {
    background-color: #fff3cd;
    padding: 2px 4px;
    border-radius: 2px;
    font-weight: 600;
}

/* 加载状态 */
.guide-page .loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.guide-page .skeleton-card {
    height: 200px;
    border-radius: var(--border-radius-md);
    margin-bottom: 1rem;
}

.guide-page .skeleton-text {
    height: 16px;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.guide-page .skeleton-text:last-child {
    width: 60%;
}

/* 响应式调整 */
@media (max-width: 991.98px) {
    .guide-page .nav-tabs .nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .guide-page .template-item,
    .guide-page .exercise-item {
        margin-bottom: 0.75rem;
    }
}

@media (max-width: 767.98px) {
    .guide-page .container {
        padding: 0 1rem;
    }

    .guide-page .row.g-3.align-items-center {
        gap: 0.5rem;
    }

    .guide-page .col-md-3,
    .guide-page .col-md-4 {
        margin-bottom: 0.5rem;
    }

    .guide-page .nav-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        border-bottom: 1px solid #dee2e6;
    }

    .guide-page .nav-tabs .nav-link {
        white-space: nowrap;
        flex-shrink: 0;
        padding: 0.75rem;
        font-size: 0.875rem;
    }

    .guide-page .material-content {
        max-height: 200px;
    }

    .guide-page .template-item .btn-sm {
        font-size: 0.75rem;
        padding: 0.2rem 0.6rem;
    }

    .guide-page .exercise-item .btn-sm {
        font-size: 0.75rem;
        padding: 0.2rem 0.6rem;
    }
}

/* 打印样式 */
@media print {
    .guide-page .nav-tabs,
    .guide-page .card-header .row,
    .guide-page .btn,
    .guide-page .accordion-button {
        display: none !important;
    }

    .guide-page .accordion-collapse {
        display: block !important;
    }

    .guide-page .accordion-item {
        break-inside: avoid;
        page-break-inside: avoid;
    }

    .guide-page .card {
        break-inside: avoid;
        page-break-inside: avoid;
        margin-bottom: 1rem;
        border: 1px solid #000;
    }

    .guide-page .template-item,
    .guide-page .exercise-item {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}