/* DatingClaw - 基于微信风格的界面设计 */

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

:root {
    /* 微信风格颜色 */
    --primary-color: #07c160;
    --primary-light: #95ec69;
    --primary-dark: #06ad56;
    
    --success-color: #07c160;
    --warning-color: #ffbe0b;
    --danger-color: #fa5151;
    --info-color: #10aeff;
    
    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-hover: #f0f0f0;
    --bg-active: #e6f7ff;
    --bg-card: #ffffff;
    --bg-elevated: #ffffff;
    
    /* 文字色 */
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --text-hint: #cccccc;
    
    /* 边框色 */
    --border-color: #e5e5e5;
    --border-light: #d1d1d1;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.16);
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-2xl: 24px;
    --spacing-3xl: 32px;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* 布局 */
    --sidebar-width: 280px;
    --sidebar-right-width: 320px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.5;
}

.app-body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-container {
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* ==================== 顶部导航栏 ==================== */
.main-navbar {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    box-shadow: var(--shadow-sm);
    z-index: 100;
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.brand-icon {
    font-size: 24px;
    line-height: 1;
}

.brand-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.navbar-center {
    display: flex;
    gap: var(--spacing-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.nav-link i {
    font-size: 18px;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.action-btn {
    position: relative;
    background: transparent;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.action-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.notification-btn .badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--danger-color);
    color: white;
    font-size: 11px;
    font-weight: bold;
    padding: 2px 5px;
    border-radius: 8px;
    line-height: 1;
}

.user-nav-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
    cursor: pointer;
}

/* ==================== 主内容区域 ==================== */
.main-content-wrapper {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* ==================== 左侧导航面板 ==================== */
.sidebar-left {
    width: var(--sidebar-width);
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: calc(100vh - 60px);
    overflow-y: auto;
}

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

.section-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.new-chat-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.new-chat-btn:hover {
    background: var(--primary-dark);
}

.tab-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.tab-content.hidden {
    display: none;
}

/* 列表样式通用 */
.chat-list,
.friends-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.list-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.list-item:hover {
    background: var(--bg-hover);
}

.list-item.active {
    background: var(--bg-active);
    border-color: var(--primary-light);
}

.list-item-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.list-item-content {
    flex: 1;
    min-width: 0;
}

.list-item-name {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.list-item-time {
    font-size: 12px;
    color: var(--text-hint);
    margin-bottom: var(--spacing-xs);
}

.list-item-preview {
    font-size: 13px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: emipsis;
    white-space: nowrap;
}

/* 空状态 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-tertiary);
    text-align: center;
}

.empty-state i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.empty-state p {
    margin: var(--spacing-xs) 0;
}

.empty-hint {
    font-size: 13px;
    color: var(--text-hint);
}

/* 发现页面样式 */
.discovery-section {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.discovery-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.filters-section {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.filter-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.filter-select,
.search-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.search-input::placeholder {
    color: var(--text-hint);
}

.users-grid {
    padding: var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.grid-item {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.grid-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

/* ==================== 中间主内容区域 ==================== */
.content-main {
    flex: 1;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

/* 欢迎界面 */
.welcome-view {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
}

.welcome-content {
    text-align: center;
    max-width: 400px;
}

.welcome-icon {
    font-size: 80px;
    margin-bottom: var(--spacing-lg);
}

.welcome-content h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.welcome-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.quick-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.recommendation-box {
    background: linear-gradient(135deg, #e6f7ff 0%, #ffe6f0 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: left;
}

.recommendation-box h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.recommendation-box p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.primary-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.primary-btn:hover {
    background: var(--primary-dark);
}

/* 对话界面 */
.conversation-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.chat-header {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.chat-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.header-info {
    flex: 1;
}

.chat-title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.chat-name {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary);
}

.chat-mbti {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 8px;
    display: inline-block;
}

.chat-status {
    font-size: 12px;
    color: var(--text-tertiary);
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.header-action-btn {
    background: transparent;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.header-action-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* 消息区域 */
.messages-area {
    flex: 1;
    overflow-y: padding: var(--spacing-xl);
    background: var(--bg-secondary);
}

.message-bubble {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    max-width: 70%;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-creator {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-size: 14px;
}

.message-creator.right {
    color: var(--info-color);
}

.message-content {
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
}

.message-time {
    font-size: 12px;
    color: var(--text-hint);
    margin-top: var(--spacing-sm);
}

.message-bubble.own {
    margin-left: auto;
    background: #95ec69;
}

/* 操作工具栏 */
.chat-tools {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    background: var(--bg-elevated);
}

.tool-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

/* ==================== 右侧信息面板 ==================== */
.sidebar-right {
    width: var(--sidebar-right-width);
    background: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-shrink: 0;
    height: calc(100vh - 60px);
    overflow-y: auto;
}

.info-panel {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
}

.info-panel.hidden {
    display: none !important;
}

.panel-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.close-panel-btn {
    background: transparent;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 20px;
}

.close-panel-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* 快速操作面板 */
.quick-info-stats {
    margin-bottom: var(--spacing-xl);
}

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

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

.info-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.info-value {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 16px;
}

.today-recommendation {
    margin-bottom: var(--spacing-xl);
}

.today-recommendation h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.recommend-card-mini {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.quick-functions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quick-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(---radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.quick-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

/* 用户信息面板 */
.user-header-info {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.panel-user-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.panel-user-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.panel-user-badges {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.panel-badge {
    padding: 3px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.panel-badge.mbti {
    background: var(--primary-bg);
    color: var(--primary-color);
}

.panel-badge.status {
    background: var(--success-color);
    color: white;
}

.panel-badge.friend {
    background: var(--info-color);
    color: white;
}

.panel-badge.pending {
    background: var(--warning-color);
    color: white;
}

.panel-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
}

.panel-section:last-child {
    border-bottom: none;
}

.panel-section h4 {
    font-size: 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.compatibility-display {
    background: linear-gradient(135deg, #f0f9ff 0%, #fff9f0 0%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.compatibility-score {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.score-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
}

.score-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.compatibility-detail {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.compatibility-strengths {
    display: flex;
    flex-direction: gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.strength-item {
    font-size: 13px;
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(7, 193, 96, 0.1);
    border-radius: var(--radius-sm);
}

.contact-section {
    margin-bottom: var(--spacing-xl);
}

.unlock-contact-btn {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.unlock-contact-btn:hover {
    background: var(--primary-dark);
}

.unlock-contact-btn:disabled {
    background: var(--text-hint);
    cursor: not-allowed;
}

.contact-info {
    margin-top: var(--spacing-md);
}

.contact-info.locked {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--text-secondary);
}

.contact-info.unlocked {
    background: linear-gradient(135deg, #a8e6cf 0%, #88d8b0 100%);
    padding: var(--spacing-lg);
    border-radius: var(--lg);
}

.contact-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* 操作按钮 */
.panel-actions {
    margin-bottom: var(--spacing-xl);
}

.action-btn.primary {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn.primary:hover {
    background: var(--primary-dark);
}

/* 对话进行中面板 */
.conversation-header-info {
    margin-bottom: var(--spacing-xl);
}

.conversation-partners {
    font-size: 14px;
    color: var(--text-secondary);
}

.conversation-progress {
    margin-bottom: var(--spacing-xl);
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.progress-bar {
    height: 6px;
    background: var(--bg-hover);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.5s ease;
}

.progress-text {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
}

.live-messages {
    margin-bottom: var(--spacing-xl);
}

.live-messages h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.live-messages-list {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    max-height: 300px;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.empty-live {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
}

.empty-live i {
    font-size: 24px;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.friendship-decision {
    background: linear-gradient(135deg, #fff8e1 0%, #ffe4b5 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--warning-color);
}

.friendship-decision.success {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-left-color: var(--success-color);
}

.friendship-decision.declined {
    background: linear-gradient(135deg #fee 0%, #fcc 100%);
    border-left-color: var(--danger-color);
}

.decision-content {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 模态框样式 ==================== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: 100%;
    animation: modalSlideIn 0.3s ease;
}

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

.close {
    position: absolute;
    right: var(--spacing-lg);
    top: var(--spacing-lg);
    font-size: 28px;
    font-weight: bold;
    color: var(--text-hint);
    cursor: pointer;
    transition: all 0.2s;
    font-family: sans-serif;
}

.close:hover {
    color: var(--text-secondary);
}

.auth-modal-content {
    padding: var(--spacing-3xl);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.auth-logo {
    font-size: 36px;
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

.auth-tabs {
    display: flex;
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.auth-tab:hover {
    color: var(--text-primary);
}

.auth-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.auth-form-container {
    display: none;
}

.auth-form-container:not(.hidden) {
    display: block;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(7, 193, 96, 0.2);
}

.submit-btn {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.submit-btn:hover {
    background: var(--primary-dark);
}

/* ==================== 辅助类 ==================== */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.w-full {
    width: 100%;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    :root {
        --sidebar-width: 240px;
        --sidebar-right-width: 240px;
    }
}

@media (max-width: 900px) {
    :root {
        --sidebar-right-width: 320px;
    }
    
    .sidebar-left {
        display: none;
    }
    
    .navbar-center {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 90;
        background: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        padding: 0 var(--spacing-lg);
        justify-content: center;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-link {
        flex-direction: column;
        gap: 2px;
        font-size: 12px;
        padding: var(--spacing-sm);
    }
    
    .nav-link span {
        display: none;
    }
    
    .nav-link.active span {
        display: block;
    }
    
    .content-main {
        flex: 1;
    }
    
    .sidebar-right {
        width: 320px;
    }
    
    .app-container {
        height: calc(100vh - 100px);
    }
}

@media (max-width: 600px) {
    :root {
        --sidebar-right-width: 100%;
    }
    
    .sidebar-right {
        position: fixed;
        top: 60px;
        right: -100%;
        width: 100%;
        height: calc(100% - 60px);
        z-index: 80;
        transition: transform 0.3s ease;
    }
    
    .sidebar-right.show {
        transform: translateX(-100%);
    }
    
    .content-main {
        min-height: calc(100vh - 60px);
    }
    
    .quick-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .users-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== 社区帖子列表样式 ==================== */

.chat-type-toggle {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.toggle-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.toggle-btn.active {
    background: var(--primary-light);
    color: var(--primary-color);
}

.chat-filters {
    padding: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.chat-filters .filter-select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 13px;
}

/* 社区帖子卡片 */
.post-list-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
    background: var(--bg-primary);
    margin-bottom: var(--spacing-sm);
}

.post-list-item:hover {
    background: var(--bg-hover);
    transform: translateX(2px);
}

.post-list-item.active {
    background: var(--bg-active);
    border-color: --accent-color;
}

.post-list-item-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    font-weight: bold;
    flex-shrink: 0;
}

.post-list-item-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.post-list-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2px;
}

.post-list-item-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.post-list-item-username {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.post-list-item-mbti {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    color: var(--primary-color);
}

.post-list-item-time {
    font-size: 11px;
    color: var(--text-hint);
}

.post-list-item-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.4;
}

.post-list-item-footer {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.post-list-item-stats {
    display: flex;
    gap: var(--spacing-sm);
}

.post-list-item-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.post-list-item-stat i {
    color: var(--primary-color);
}

.post-list-item-category {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: var(--radius-md);
    text-transform: uppercase;
    font-weight: 600;
    flex-shrink: 0;
}

.post-category-conversation {
    background: #e3f2fd;
    color: #1976d2;
}

.post-category-experience {
    background: #f3e5f5;
    color: #7b1fa2;
}

.post-category-question {
    background: #fff3e0;
    color: #f57c00;
}

.post-category-activity {
    background: #e8f5e9;
    color: #388e3c;
}

.post-category-offer {
    background: #fce4ec;
    color: #c2185b;
}

.post-category-general {
    background: #f5f5f5;
    color: #616161;
}