/* ============ 全局样式 ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-bg: #eef2ff;
    --secondary: #ec4899;
    --secondary-bg: #fce7f3;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --gray: #64748b;
    --gray-light: #e2e8f0;
    --gray-bg: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    --sidebar-w: 200px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: #f1f5f9;
    color: var(--dark);
    font-size: 14px;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============ 布局 ============ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ============ 侧边栏 ============ */
.sidebar {
    width: var(--sidebar-w);
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    color: #cbd5e1;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.sidebar-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 8px;
    overflow-y: auto;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    color: #94a3b8;
    font-size: 14px;
    margin-bottom: 4px;
    user-select: none;
}

.nav-item:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.nav-icon {
    width: 20px;
    text-align: center;
    font-size: 16px;
    flex-shrink: 0;
}

/* ============ 主内容区 ============ */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============ 顶部导航栏 ============ */
.topbar {
    background: #fff;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: none;
    background: var(--gray-bg);
    cursor: pointer;
    font-size: 20px;
    align-items: center;
    justify-content: center;
}

.topbar-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 20px;
    background: var(--gray-bg);
    cursor: pointer;
    transition: var(--transition);
}

.user-area:hover {
    background: var(--primary-bg);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--dark);
}

.user-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
}

.user-badge.member {
    background: var(--success);
}

/* ============ 二级导航栏 ============ */
.sub-nav-bar {
    background: #fff;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    flex-wrap: wrap;
    min-height: 48px;
}

.sub-nav-bar::-webkit-scrollbar {
    height: 0;
}

.sub-nav-item {
    padding: 14px 18px;
    font-size: 14px;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    position: relative;
    font-weight: 500;
}

.sub-nav-item:hover {
    color: var(--primary);
}

.sub-nav-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 700;
}

/* 三级/四级按钮区 */
.tag-bar {
    background: #fff;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    border-bottom: 1px solid var(--border);
}

.tag-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-group-label {
    font-size: 12px;
    color: var(--gray);
    font-weight: 600;
    margin-right: 4px;
    padding: 4px 0;
}

.tag-btn {
    padding: 5px 14px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--gray-bg);
    font-size: 13px;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.tag-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

.tag-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.tag-btn.level4 {
    background: var(--secondary-bg);
    border-color: transparent;
    color: var(--secondary);
}

.tag-btn.level4:hover {
    background: var(--secondary);
    color: #fff;
}

.tag-btn.level4.active {
    background: var(--secondary);
    color: #fff;
    border-color: var(--secondary);
}

/* ============ 搜索区 ============ */
.search-section {
    padding: 24px;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.search-box-wrapper {
    position: relative;
}

.search-box {
    width: 100%;
    padding: 16px 56px 16px 20px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    transition: var(--transition);
    outline: none;
    background: #fff;
    min-height: 56px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.5;
}

.search-box:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.search-btn {
    position: absolute;
    right: 8px;
    top: 8px;
    padding: 8px 20px;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.search-btn:active {
    transform: translateY(0);
}

.search-hint {
    margin-top: 8px;
    font-size: 12px;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ============ 回复结果区 ============ */
.results-section {
    padding: 0 24px 24px;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

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

.results-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.refresh-btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.refresh-btn:hover {
    background: var(--primary-bg);
    border-color: var(--primary);
}

.reply-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-light);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.reply-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
    transform: translateY(-1px);
}

.reply-index {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.reply-content {
    flex: 1;
    font-size: 15px;
    line-height: 1.7;
    color: var(--dark);
    word-break: break-word;
}

.reply-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.reply-action-btn {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--gray-bg);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: var(--gray);
}

.reply-action-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.reply-action-btn.liked {
    background: var(--secondary);
    color: #fff;
    border-color: var(--secondary);
}

.reply-tags {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.reply-tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--gray-bg);
    color: var(--gray);
}

/* 复制成功提示 */
.copy-toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: var(--dark);
    color: #fff;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 9999;
    box-shadow: var(--shadow-lg);
}

.copy-toast.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ============ 帖子/版块区 ============ */
.section-content {
    padding: 24px;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

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

.section-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
}

.create-post-btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.create-post-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.post-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-light);
    cursor: pointer;
}

.post-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.post-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.post-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}

.post-meta {
    flex: 1;
}

.post-author {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

.post-date {
    font-size: 12px;
    color: var(--gray);
}

.post-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.post-content {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
    white-space: pre-wrap;
    max-height: 200px;
    overflow: hidden;
    position: relative;
}

.post-footer {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-light);
}

.post-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    background: none;
    border: none;
    padding: 4px 8px;
    border-radius: 6px;
}

.post-stat:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.post-stat.liked {
    color: var(--secondary);
}

/* ============ 模态框 ============ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.show {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal {
    background: #fff;
    border-radius: var(--radius);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal.large {
    max-width: 700px;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    background: var(--gray-bg);
    cursor: pointer;
    font-size: 18px;
    color: var(--gray);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ============ 表单 ============ */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: var(--transition);
    outline: none;
    font-family: inherit;
    background: #fff;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-hint {
    font-size: 12px;
    color: var(--gray);
    margin-top: 4px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--gray-bg);
    color: var(--gray);
}

.btn-secondary:hover {
    background: var(--gray-light);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

/* ============ 语言分析结果 ============ */
.analysis-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

.analysis-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-light);
}

.analysis-row:last-child {
    border-bottom: none;
}

.analysis-label {
    font-size: 14px;
    color: var(--gray);
}

.analysis-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

.sentiment-positive { color: var(--success) !important; }
.sentiment-negative { color: var(--danger) !important; }
.sentiment-neutral { color: var(--gray) !important; }

/* ============ 空状态 ============ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-text {
    font-size: 15px;
}

/* ============ 加载动画 ============ */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--gray-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.fade-in {
    animation: fadeIn 0.3s ease;
}

.slide-up {
    animation: slideUp 0.3s ease;
}

/* ============ 导入区 ============ */
.import-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.import-area:hover {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.import-area.dragover {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.import-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.import-text {
    font-size: 14px;
    color: var(--gray);
}

.import-text strong {
    color: var(--primary);
}

/* ============ 响应式 ============ */
@media (max-width: 768px) {
    :root {
        --sidebar-w: 0px;
    }

    .sidebar {
        width: 240px;
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        overflow-x: hidden;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .search-section,
    .results-section {
        padding: 12px 10px;
        max-width: 100%;
    }

    .section-content {
        padding: 12px 10px;
        max-width: 100%;
    }

    .sub-nav-bar {
        padding: 0 8px;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .sub-nav-bar::-webkit-scrollbar {
        display: none;
    }

    .tag-bar {
        padding: 8px 10px;
        overflow-x: auto;
        flex-wrap: wrap;
        -webkit-overflow-scrolling: touch;
    }

    .sub-nav-item {
        padding: 12px 10px;
        font-size: 13px;
        flex-shrink: 0;
    }

    .tag-btn {
        padding: 5px 10px;
        font-size: 12px;
    }

    .reply-card {
        padding: 14px 12px;
        flex-direction: row;
        align-items: flex-start;
    }

    .reply-actions {
        flex-direction: column;
        gap: 4px;
    }

    .topbar {
        padding: 10px 12px;
    }

    .topbar-title {
        font-size: 15px;
    }

    .search-box {
        padding: 14px 52px 14px 16px;
        font-size: 14px;
    }

    .search-btn {
        padding: 8px 12px;
        font-size: 13px;
        right: 6px;
        top: 6px;
    }

    .modal-overlay {
        padding: 10px;
    }

    .modal {
        max-width: 100%;
        max-height: 95vh;
    }

    .section-header {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }

    .section-title {
        font-size: 18px;
    }

    .create-post-btn {
        width: 100%;
        justify-content: center;
    }

    .post-card {
        padding: 14px 12px;
    }

    /* 遮罩层 */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.4);
        z-index: 99;
    }

    .sidebar-overlay.show {
        display: block;
    }

    .user-area {
        padding: 4px 8px;
    }

    .user-name {
        display: none;
    }

    .user-badge {
        font-size: 10px;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 14px 16px;
    }

    .form-input,
    .form-textarea,
    .form-select {
        font-size: 15px;
    }

    .reply-content {
        font-size: 14px;
    }
}

/* ============ V2 新增组件样式 ============ */

/* 信息提示横幅 */
.info-banner {
    background: linear-gradient(135deg, var(--primary-bg), #f0f7ff);
    border: 1px solid #c7d2fe;
    border-radius: var(--radius);
    padding: 12px 16px;
    font-size: 13px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.6;
}

.info-banner span:first-child {
    font-size: 16px;
    flex-shrink: 0;
}

/* 语言分析类型选择栏 */
.analysis-type-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 4px;
}

.analysis-type-btn {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1.5px solid var(--border);
    background: #fff;
    font-size: 13px;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-weight: 500;
}

.analysis-type-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

.analysis-type-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
    font-weight: 600;
}

/* 分析卡片标题 */
.analysis-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--gray-light);
}

/* 身份切换面板 */
.identity-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.identity-group {
    background: #fff;
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
}

.identity-group-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.identity-group-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 16px;
    background: var(--primary);
    border-radius: 2px;
}

.identity-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.identity-btn {
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border);
    background: #fff;
    font-size: 14px;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.identity-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

.identity-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    font-weight: 600;
}

.identity-btn.tag-style {
    padding: 6px 14px;
    border-radius: 18px;
    border: 1.5px solid var(--border);
    font-size: 13px;
    background: var(--gray-bg);
}

.identity-btn.tag-style:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    background: var(--secondary-bg);
}

.identity-btn.tag-style.active {
    background: linear-gradient(135deg, var(--secondary), #be185d);
    color: #fff;
    border-color: var(--secondary);
    box-shadow: 0 2px 8px rgba(236, 72, 153, 0.3);
}

/* 话术库阶段卡片 */
.scripts-stages {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.stage-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
}

.stage-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.stage-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.stage-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.stage-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
}

.stage-num {
    font-size: 12px;
    color: var(--gray);
    margin-top: 2px;
}

.stage-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.stage-topic-btn {
    padding: 6px 14px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--gray-bg);
    font-size: 13px;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.stage-topic-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.2);
}

/* ============ 响应式 ============ */
@media (max-width: 480px) {
    .search-btn {
        padding: 6px 10px;
        font-size: 12px;
    }

    .reply-action-btn {
        width: 30px;
        height: 30px;
        font-size: 13px;
    }

    .reply-index {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }

    .reply-card {
        padding: 12px 10px;
        gap: 8px;
    }

    .reply-content {
        font-size: 13px;
        line-height: 1.6;
    }

    .search-section,
    .results-section,
    .section-content {
        padding: 10px 8px;
    }

    .topbar {
        padding: 8px 10px;
    }

    .topbar-title {
        font-size: 14px;
    }

    .sub-nav-item {
        padding: 10px 8px;
        font-size: 12px;
    }

    .tag-btn {
        padding: 4px 8px;
        font-size: 11px;
    }

    .stage-card {
        padding: 12px;
    }

    .modal-body {
        padding: 12px;
    }

    .analysis-card {
        padding: 14px 12px;
    }
}

@media (max-width: 768px) {
    .scripts-stages {
        grid-template-columns: 1fr;
    }

    .analysis-type-bar {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
    }

    .analysis-type-bar::-webkit-scrollbar {
        display: none;
    }

    .analysis-type-btn {
        flex-shrink: 0;
    }

    .identity-group {
        padding: 12px 14px;
    }

    .identity-btn {
        padding: 8px 12px;
        font-size: 13px;
    }

    .identity-btn.tag-style {
        padding: 5px 10px;
        font-size: 12px;
    }

    .stage-card {
        padding: 14px 12px;
    }

    .stage-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .stage-name {
        font-size: 15px;
    }

    .identity-options {
        gap: 6px;
    }

    .info-banner {
        padding: 10px 12px;
        font-size: 12px;
    }

    .analysis-card-title {
        font-size: 14px;
    }

    .tag-group-label {
        font-size: 11px;
    }
}