/* ========================================
   主题讨论 & LLM 配置 - 页面样式
   ======================================== */

/* 页面头部 */
.topic-page .page-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.topic-page .page-header h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
}

.topic-page .page-header .subtitle {
    color: #6b7280;
    font-size: 14px;
    margin: 0;
    flex-basis: 100%;
}

/* 通用卡片 */
.card {
    background: #fff;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid #e5e7eb;
}

.card-title {
    font-size: 18px;
    font-weight: 500;
    color: #1f2937;
    margin: 0 0 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #f3f4f6;
}

/* 状态标签 */
.status-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.status-open {
    background: #d1fae5;
    color: #065f46;
}

.status-closed {
    background: #f3f4f6;
    color: #6b7280;
}

.status-summarized {
    background: #dbeafe;
    color: #1e40af;
}

/* 筛选标签 */
.filter-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: #6b7280;
    background: #f3f4f6;
    text-decoration: none;
    transition: all 0.2s;
}

.filter-tab:hover {
    background: #e5e7eb;
    color: #374151;
}

.filter-tab.active {
    background: #3b82f6;
    color: #fff;
}

/* 话题列表卡片 */
.topic-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.topic-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: all 0.2s;
}

.topic-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}

.topic-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.topic-title {
    font-size: 16px;
    font-weight: 500;
    color: #1f2937;
    margin: 0;
    flex: 1;
}

.topic-desc {
    color: #6b7280;
    font-size: 14px;
    margin: 0.25rem 0 0.5rem;
    line-height: 1.5;
}

.topic-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 13px;
    color: #9ca3af;
    flex-wrap: wrap;
}

.meta-author {
    display: flex;
    align-items: center;
    gap: 4px;
    color: #6b7280;
    font-weight: 500;
}

.meta-deadline {
    color: #f59e0b;
    font-weight: 500;
}

.meta-time {
    margin-left: auto;
}

.avatar-xs {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-xs-text {
    display: inline-flex;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3b82f6;
    color: #fff;
    font-size: 11px;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

/* 话题详情 */
.topic-detail-card {
    margin-bottom: 1.5rem;
}

.topic-detail-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.topic-detail-title {
    font-size: 22px;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
    flex: 1;
}

.topic-detail-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 13px;
    color: #9ca3af;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.topic-detail-desc {
    background: #f9fafb;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    color: #374151;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* Markdown 渲染样式（话题/回复/总结共用，字体偏小） */
.markdown-body {
    line-height: 1.65;
    font-size: 14px;
    color: #374151;
    word-wrap: break-word;
}

.markdown-body > *:first-child {
    margin-top: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    line-height: 1.35;
    font-weight: 600;
    color: #1f2937;
}

.markdown-body h1 { font-size: 1.125rem; }
.markdown-body h2 { font-size: 1rem; border-bottom: 1px solid #e5e7eb; padding-bottom: 0.25rem; }
.markdown-body h3 { font-size: 0.9375rem; }
.markdown-body h4 { font-size: 0.875rem; }
.markdown-body h5, .markdown-body h6 { font-size: 0.8125rem; }

.markdown-body p {
    margin-bottom: 0.75rem;
}

.markdown-body ul,
.markdown-body ol {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
}

.markdown-body li {
    margin-bottom: 0.25rem;
}

.markdown-body a {
    color: #3b82f6;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.markdown-body a:hover {
    opacity: 0.8;
}

.markdown-body code {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', Menlo, Consolas, monospace;
    font-size: 0.85em;
    background: rgba(0, 0, 0, 0.06);
    padding: 0.15em 0.4em;
    border-radius: 0.25rem;
    color: #374151;
}

.markdown-body pre {
    background: #1e2535;
    color: #e2e8f0;
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    overflow-x: auto;
    margin-bottom: 1rem;
    font-size: 0.8125rem;
    line-height: 1.55;
}

.markdown-body pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

.markdown-body blockquote {
    border-left: 3px solid #3b82f6;
    padding: 0.375rem 0 0.375rem 0.75rem;
    margin: 0.75rem 0;
    color: #6b7280;
    font-style: italic;
}

.markdown-body blockquote p {
    margin-bottom: 0.375rem;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}

.markdown-body th,
.markdown-body td {
    padding: 0.375rem 0.625rem;
    border: 1px solid #e5e7eb;
    text-align: left;
}

.markdown-body th {
    background: rgba(0, 0, 0, 0.04);
    font-weight: 600;
}

.markdown-body hr {
    border: none;
    border-top: 1px solid #e5e7eb;
    margin: 1rem 0;
}

.markdown-body img {
    max-width: 100%;
    border-radius: 0.25rem;
    margin: 0.375rem 0;
}

.markdown-body strong {
    font-weight: 600;
}

.markdown-body del {
    color: #9ca3af;
}

/* 投票区域 */
.topic-vote-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 0;
    border-top: 1px solid #f3f4f6;
    border-bottom: 1px solid #f3f4f6;
}

.vote-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    background: #fff;
    color: #6b7280;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.vote-btn:hover {
    border-color: #3b82f6;
    color: #3b82f6;
}

.vote-btn.voted {
    background: #eff6ff;
    border-color: #3b82f6;
    color: #3b82f6;
    font-weight: 500;
}

.vote-btn-sm {
    padding: 2px 8px;
    font-size: 13px;
}

.vote-sep {
    color: #e5e7eb;
    margin: 0 0.25rem;
}

/* 总结卡片 */
.summary-card {
    background: linear-gradient(135deg, #eff6ff, #f0fdf4);
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 1.25rem;
    margin-top: 1rem;
}

.summary-card h3 {
    margin: 0 0 0.75rem;
    font-size: 16px;
    color: #1e40af;
}

.summary-content {
    color: #374151;
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

/* 管理操作 */
.topic-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #f3f4f6;
}

/* 回复列表 */
.replies-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.reply-item {
    padding: 0.75rem 1rem;
    background: #f9fafb;
    border-radius: 6px;
    border: 1px solid #f3f4f6;
}

.reply-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.reply-author {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
    font-size: 14px;
    color: #374151;
}

.reply-time {
    font-size: 12px;
    color: #9ca3af;
}

.reply-content {
    color: #1f2937;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.reply-votes {
    display: flex;
    gap: 0.25rem;
}

/* 回复表单 */
.reply-form {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f3f4f6;
}

.login-hint, .closed-hint {
    color: #6b7280;
    font-size: 14px;
    text-align: center;
    padding: 0.75rem;
    background: #f9fafb;
    border-radius: 6px;
}

.login-hint a {
    color: #3b82f6;
    text-decoration: none;
}

/* 表单样式 */
.topic-form .form-group {
    margin-bottom: 1rem;
}

.topic-form label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 4px;
}

.topic-form input[type="text"],
.topic-form input[type="number"],
.topic-form input[type="password"],
.topic-form input[type="url"],
.topic-form textarea,
.topic-form select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    color: #1f2937;
    background: #fff;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

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

.topic-form textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

.form-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 400 !important;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

.form-hint {
    display: block;
    font-size: 12px;
    color: #9ca3af;
    margin-top: 4px;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.2s;
    line-height: 1.5;
}

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

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

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

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

.btn-danger {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.btn-danger:hover {
    background: #fee2e2;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 13px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #9ca3af;
}

.empty-state p {
    margin: 0 0 1rem;
    font-size: 16px;
}

.empty-hint {
    color: #9ca3af;
    text-align: center;
    padding: 2rem 1rem;
    font-size: 14px;
}

/* 分页 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.page-info {
    font-size: 14px;
    color: #6b7280;
}

/* LLM 配置列表 */
.config-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.config-item {
    padding: 1rem;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
}

.config-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.config-name {
    font-size: 16px;
    font-weight: 500;
    color: #1f2937;
}

.config-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.config-prompt {
    font-size: 13px;
    color: #9ca3af;
    font-style: italic;
    margin-bottom: 0.5rem;
}

.config-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.test-result {
    margin-top: 0.5rem;
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 13px;
}

/* 响应式 */
@media (max-width: 640px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .topic-detail-header {
        flex-direction: column;
    }

    .topic-meta, .topic-detail-meta {
        gap: 0.5rem;
    }

    .config-actions {
        gap: 0.25rem;
    }
}