/**
 * LightSNS Header Styles
 * 全新设计 - 现代化浅色调
 */

/* ========================================
   CSS 变量
   ======================================== */
:root {
    --ls-primary: #6366f1;
    --ls-primary-light: #eef2ff;
    --ls-primary-dark: #4f46e5;
    --ls-primary-rgb: 99, 102, 241;

    --ls-text-primary: #0f172a;
    --ls-text-secondary: #475569;
    --ls-text-muted: #94a3b8;

    --ls-bg-white: #ffffff;
    --ls-bg-light: #f8fafc;
    --ls-bg-hover: #f1f5f9;

    --ls-border: #e2e8f0;
    --ls-border-light: #f1f5f9;

    --ls-shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --ls-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --ls-shadow-lg: 0 12px 32px rgba(0,0,0,0.12);

    --ls-radius-sm: 6px;
    --ls-radius-md: 8px;
    --ls-radius-lg: 12px;
    --ls-radius-xl: 16px;
    --ls-radius-full: 9999px;

    --ls-header-height: 64px;
    --ls-transition: all 0.2s ease;
}

/* ========================================
   头部容器
   ======================================== */
.ls-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--ls-header-height);
    background: rgba(255,255,255,0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--ls-border-light);
    z-index: 10000;
}

.ls-header-inner {
    max-width: 1400px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ls-header-left {
    display: flex;
    align-items: center;
    gap: 32px;
}

.ls-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ========================================
   Logo
   ======================================== */
.ls-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.ls-logo-img {
    height: 36px;
    width: auto;
}

.ls-logo-svg {
    height: 40px;
}

.ls-logo-svg svg {
    width: 100%;
    height: 100%;
}

.ls-logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--ls-radius-md);
}

.ls-logo-icon i {
    font-size: 20px;
    color: #fff;
}

.ls-logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--ls-text-primary);
    letter-spacing: -0.5px;
}

/* ========================================
   主导航
   ======================================== */
.ls-main-nav {
    display: flex;
    align-items: center;
    gap: 2px;
}

.ls-nav-item {
    position: relative;
}

.ls-nav-item > a,
.ls-nav-item.active {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ls-text-secondary);
    text-decoration: none;
    border-radius: var(--ls-radius-md);
    transition: var(--ls-transition);
}

.ls-nav-item > a:hover {
    color: var(--ls-text-primary);
    background: var(--ls-bg-hover);
}

.ls-nav-item.active > a,
.ls-nav-item.active {
    color: var(--ls-primary);
    background: var(--ls-primary-light);
}

/* 导航图标容器 */
.ls-nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

/* 导航文字容器（用于小红点定位） */
.ls-nav-item > a > span:not(.ls-nav-icon):not(.ls-nav-badge) {
    position: relative;
}

.ls-arrow {
    font-size: 14px;
    opacity: 0.5;
    transition: var(--ls-transition);
}

.ls-has-dropdown:hover .ls-arrow {
    transform: rotate(180deg);
}

/* 导航角标 */
.ls-nav-badge {
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 600;
    color: #fff;
    background: #ef4444;
    border-radius: var(--ls-radius-full);
    margin-left: 4px;
}

.ls-nav-badge.sale {
    background: linear-gradient(135deg, #f97316, #ea580c);
}

/* 小红点（右上角不占位） */
.ls-nav-dot {
    position: absolute;
    top: -2px;
    right: -6px;
    width: 6px;
    height: 6px;
    background: #ef4444;
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--ls-bg-white);
}

/* ========================================
   下拉菜单基础
   ======================================== */
.ls-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    padding-top: 8px;
    background: var(--ls-bg-white);
    border-radius: var(--ls-radius-xl);
    box-shadow: var(--ls-shadow-lg);
    border: 1px solid var(--ls-border-light);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--ls-transition);
    z-index: 100;
}

/* 桥接区域 - 防止鼠标移动时下拉框消失 */
.ls-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
}

.ls-has-dropdown:hover > .ls-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 下拉菜单项 */
.ls-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--ls-text-secondary);
    text-decoration: none;
    transition: var(--ls-transition);
}

.ls-dropdown-item:first-child {
    border-radius: var(--ls-radius-lg) var(--ls-radius-lg) 0 0;
}

.ls-dropdown-item:last-child {
    border-radius: 0 0 var(--ls-radius-lg) var(--ls-radius-lg);
}

.ls-dropdown-item:hover {
    color: var(--ls-primary);
    background: var(--ls-primary-light);
}

.ls-dropdown-item i {
    font-size: 18px;
    opacity: 0.7;
}

.ls-dropdown-divider {
    height: 1px;
    margin: 6px 0;
    background: var(--ls-border-light);
}

/* 下拉菜单角标 */
.ls-item-badge {
    margin-left: auto;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    color: var(--ls-primary);
    background: var(--ls-primary-light);
    border-radius: var(--ls-radius-full);
}

.ls-item-tag {
    margin-left: auto;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 600;
    color: #fff;
    border-radius: var(--ls-radius-sm);
}

.ls-item-tag.new { background: #22c55e; }
.ls-item-tag.hot { background: #ef4444; }

.ls-item-dot {
    width: 6px;
    height: 6px;
    margin-left: auto;
    background: #ef4444;
    border-radius: 50%;
}

/* ========================================
   Mega 下拉菜单
   ======================================== */
.ls-dropdown-mega {
    width: 520px;
    padding: 16px;
}

.ls-dropdown-section {
    margin-bottom: 16px;
}

.ls-dropdown-section:last-child {
    margin-bottom: 0;
}

.ls-dropdown-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--ls-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    padding-left: 4px;
}

.ls-dropdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.ls-dropdown-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    text-decoration: none;
    border-radius: var(--ls-radius-lg);
    transition: var(--ls-transition);
    position: relative;
}

.ls-dropdown-card:hover {
    background: var(--ls-bg-hover);
}

.ls-card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--ls-radius-md);
    flex-shrink: 0;
}

.ls-card-icon i {
    font-size: 20px;
    color: #fff;
}

.ls-card-info {
    flex: 1;
    min-width: 0;
}

.ls-card-title {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ls-text-primary);
}

.ls-card-desc {
    display: block;
    font-size: 12px;
    color: var(--ls-text-muted);
    margin-top: 2px;
}

.ls-card-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 600;
    color: #fff;
    border-radius: var(--ls-radius-sm);
}

.ls-card-badge.hot { background: #ef4444; }
.ls-card-badge.new { background: #3b82f6; }
.ls-card-badge.beta { background: #a855f7; }

/* 话题列表 */
.ls-topic-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ls-topic-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    text-decoration: none;
    border-radius: var(--ls-radius-md);
    transition: var(--ls-transition);
}

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

.ls-topic-rank {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--ls-text-muted);
    background: var(--ls-bg-hover);
    border-radius: var(--ls-radius-sm);
}

.ls-topic-rank.hot {
    color: #fff;
    background: linear-gradient(135deg, #f97316, #ea580c);
}

.ls-topic-name {
    flex: 1;
    font-size: 14px;
    color: var(--ls-text-primary);
}

.ls-topic-heat {
    font-size: 12px;
    color: var(--ls-text-muted);
}

/* 热门列表通用样式 */
.ls-hot-section {
    border-top: 1px solid var(--ls-border-light);
    padding-top: 16px;
}

.ls-hot-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ls-hot-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px;
    font-size: 13px;
    color: var(--ls-text-muted);
}

.ls-hot-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    text-decoration: none;
    border-radius: var(--ls-radius-md);
    transition: var(--ls-transition);
}

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

.ls-hot-rank {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--ls-text-muted);
    background: var(--ls-bg-hover);
    border-radius: var(--ls-radius-sm);
    flex-shrink: 0;
}

.ls-hot-rank.top {
    color: #fff;
    background: linear-gradient(135deg, #f97316, #ea580c);
}

.ls-hot-title {
    flex: 1;
    font-size: 14px;
    color: var(--ls-text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ls-hot-count {
    font-size: 12px;
    color: var(--ls-text-muted);
    flex-shrink: 0;
}

/* ========================================
   搜索触发器
   ======================================== */
.ls-search-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 14px;
    color: var(--ls-text-muted);
    background: var(--ls-bg-hover);
    border-radius: var(--ls-radius-full);
    cursor: pointer;
    transition: var(--ls-transition);
}

.ls-search-trigger:hover {
    background: var(--ls-bg-light);
    color: var(--ls-text-secondary);
}

.ls-search-trigger kbd {
    padding: 2px 6px;
    font-size: 11px;
    font-family: inherit;
    color: var(--ls-text-muted);
    background: var(--ls-bg-white);
    border: 1px solid var(--ls-border);
    border-radius: 4px;
}

/* ========================================
   图标按钮
   ======================================== */
.ls-icon-btn {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--ls-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--ls-radius-md);
    cursor: pointer;
    transition: var(--ls-transition);
}

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

.ls-dot-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: 50%;
    border: 2px solid var(--ls-bg-white);
}

.ls-count-badge {
    position: absolute;
    top: -2px;
    right: -5px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: #ef4444;
    border-radius: var(--ls-radius-full);
    border: 2px solid var(--ls-bg-white);
}

/* ========================================
   消息下拉
   ======================================== */
.ls-messages {
    position: relative;
}

.ls-dropdown-messages {
    width: 380px;
    right: 0;
    left: auto;
}

.ls-dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--ls-border-light);
}

.ls-dropdown-header span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ls-text-primary);
}

.ls-dropdown-header span i {
    font-size: 18px;
    color: var(--ls-primary);
}

.ls-dropdown-header a {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--ls-primary);
    text-decoration: none;
    padding: 4px 8px;
    border-radius: var(--ls-radius-sm);
    transition: var(--ls-transition);
}

.ls-dropdown-header a:hover {
    background: var(--ls-primary-light);
}

.ls-dropdown-header a i {
    font-size: 14px;
    transition: transform 0.2s ease;
}

.ls-dropdown-header a:hover i {
    transform: translateX(2px);
}

.ls-message-list {
    min-height: 200px;
    max-height: 360px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--ls-border-light) transparent;
}

.ls-message-list::-webkit-scrollbar {
    width: 4px;
}

.ls-message-list::-webkit-scrollbar-track {
    background: transparent;
}

.ls-message-list::-webkit-scrollbar-thumb {
    background: var(--ls-border-light);
    border-radius: 2px;
}

/* 空状态 */
.ls-msg-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    color: var(--ls-text-muted);
}

.ls-msg-empty i {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.ls-msg-empty span {
    font-size: 14px;
}

.ls-message-item {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    text-decoration: none;
    transition: var(--ls-transition);
    border-bottom: 1px solid var(--ls-border-light);
    position: relative;
}

.ls-message-item:last-child {
    border-bottom: none;
}

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

.ls-message-item.unread {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.06) 0%, transparent 100%);
}

.ls-message-item.unread::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--ls-primary);
    border-radius: 0 2px 2px 0;
}

.ls-msg-avatar-wrap {
    position: relative;
    flex-shrink: 0;
}

.ls-msg-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--ls-radius-lg);
    object-fit: cover;
    border: 2px solid var(--ls-border-light);
}

.ls-message-item.unread .ls-msg-avatar {
    border-color: var(--ls-primary);
}

.ls-msg-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 10px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: #ef4444;
    border-radius: var(--ls-radius-full);
    border: 2px solid var(--ls-bg-white);
}

.ls-msg-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.ls-msg-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.ls-msg-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--ls-text-primary);
}

.ls-msg-time {
    font-size: 12px;
    color: var(--ls-text-muted);
}

.ls-msg-text {
    font-size: 13px;
    color: var(--ls-text-secondary);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.4;
}

.ls-message-item.unread .ls-msg-text {
    color: var(--ls-text-primary);
    font-weight: 500;
}

/* ========================================
   通知下拉
   ======================================== */
.ls-notifications {
    position: relative;
}

.ls-dropdown-notifications {
    width: 420px;
    right: 0;
    left: auto;
}

.ls-mark-read {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--ls-primary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--ls-radius-sm);
    transition: var(--ls-transition);
}

.ls-mark-read:hover {
    background: var(--ls-primary-light);
}

.ls-mark-read i {
    font-size: 14px;
}

.ls-notify-tabs {
    display: flex;
    gap: 2px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--ls-border-light);
    background: var(--ls-bg-secondary);
}

.ls-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 10px;
    font-size: 12px;
    color: var(--ls-text-secondary);
    background: none;
    border: none;
    border-radius: var(--ls-radius-md);
    cursor: pointer;
    transition: var(--ls-transition);
    flex: 1;
    position: relative;
}

.ls-tab i {
    font-size: 18px;
    line-height: 1;
}

.ls-tab span {
    font-size: 11px;
    line-height: 1;
}

.ls-tab:hover {
    background: var(--ls-bg-hover);
    color: var(--ls-text-primary);
}

.ls-tab.active {
    color: var(--ls-primary);
    background: var(--ls-bg-main);
    font-weight: 500;
}

.ls-tab.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--ls-primary);
    border-radius: 2px;
}

.ls-tab.active i {
    color: var(--ls-primary);
}

.ls-tab-badge {
    position: absolute;
    top: 2px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    font-size: 10px;
    font-style: normal;
    font-weight: 500;
    line-height: 16px;
    text-align: center;
    color: #fff;
    background: #ef4444;
    border-radius: var(--ls-radius-full);
}

.ls-notify-list {
    min-height: 200px;
    max-height: 360px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--ls-border-light) transparent;
}

.ls-notify-list::-webkit-scrollbar {
    width: 4px;
}

.ls-notify-list::-webkit-scrollbar-track {
    background: transparent;
}

.ls-notify-list::-webkit-scrollbar-thumb {
    background: var(--ls-border-light);
    border-radius: 2px;
}

.ls-notify-item {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    text-decoration: none;
    transition: var(--ls-transition);
    border-bottom: 1px solid var(--ls-border-light);
    position: relative;
}

.ls-notify-item:last-child {
    border-bottom: none;
}

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

.ls-notify-item.unread {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.06) 0%, transparent 100%);
}

.ls-notify-item.unread::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--ls-primary);
    border-radius: 0 2px 2px 0;
}

.ls-notify-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--ls-radius-md);
    flex-shrink: 0;
    font-size: 18px;
}

.ls-notify-icon.like { background: linear-gradient(135deg, #fef2f2, #fee2e2); color: #ef4444; }
.ls-notify-icon.comment { background: linear-gradient(135deg, #eff6ff, #dbeafe); color: #3b82f6; }
.ls-notify-icon.follow { background: linear-gradient(135deg, #f0fdf4, #dcfce7); color: #22c55e; }
.ls-notify-icon.system { background: linear-gradient(135deg, #faf5ff, #f3e8ff); color: #a855f7; }
.ls-notify-icon.at { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #f59e0b; }
.ls-notify-icon.notice { background: linear-gradient(135deg, #ecfeff, #cffafe); color: #06b6d4; }
.ls-notify-icon.reward { background: linear-gradient(135deg, #fff7ed, #ffedd5); color: #f97316; }
.ls-notify-icon.transfer { background: linear-gradient(135deg, #f0fdf4, #d1fae5); color: #10b981; }

.ls-notify-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.ls-notify-content p {
    font-size: 13px;
    color: var(--ls-text-secondary);
    margin: 0 0 4px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ls-notify-content strong {
    color: var(--ls-text-primary);
    font-weight: 500;
}

.ls-notify-meta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ls-notify-time {
    font-size: 12px;
    color: var(--ls-text-muted);
}

.ls-notify-tag {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: var(--ls-radius-sm);
    background: var(--ls-bg-hover);
    color: var(--ls-text-muted);
}

/* 空状态 */
.ls-notify-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    color: var(--ls-text-muted);
}

.ls-notify-empty i {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.ls-notify-empty span {
    font-size: 14px;
}

.ls-dropdown-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--ls-primary);
    text-align: center;
    text-decoration: none;
    border-top: 1px solid var(--ls-border-light);
    transition: var(--ls-transition);
}

.ls-dropdown-footer i {
    font-size: 14px;
    transition: transform 0.2s ease;
}

.ls-dropdown-footer:hover {
    background: var(--ls-primary-light);
}

.ls-dropdown-footer:hover i {
    transform: translateX(3px);
}

/* ========================================
   创作按钮
   ======================================== */
.ls-create {
    position: relative;
}

.ls-create-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 16px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: var(--ls-primary);
    border: none;
    border-radius: var(--ls-radius-full);
    cursor: pointer;
    transition: var(--ls-transition);
}

.ls-create-btn:hover {
    background: var(--ls-primary-dark);
    box-shadow: 0 4px 12px rgba(var(--ls-primary-rgb), 0.3);
}

.ls-create-btn i {
    font-size: 18px;
}

.ls-dropdown-create {
    width: 320px;
    right: 0;
    left: auto;
    padding: 12px;
}

.ls-create-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.ls-create-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 8px;
    text-decoration: none;
    border-radius: var(--ls-radius-lg);
    transition: var(--ls-transition);
    position: relative;
}

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

.ls-create-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--ls-radius-lg);
    font-size: 22px;
    color: #fff;
}

.ls-create-icon.article { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.ls-create-icon.post { background: linear-gradient(135deg, #22c55e, #16a34a); }
.ls-create-icon.video { background: linear-gradient(135deg, #f97316, #ea580c); }
.ls-create-icon.question { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.ls-create-icon.album { background: linear-gradient(135deg, #ec4899, #db2777); }
.ls-create-icon.live { background: linear-gradient(135deg, #ef4444, #dc2626); }

.ls-create-item span {
    font-size: 13px;
    color: var(--ls-text-primary);
}

.ls-create-footer {
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--ls-border-light);
}

.ls-create-footer a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px;
    font-size: 13px;
    color: var(--ls-text-secondary);
    text-decoration: none;
    border-radius: var(--ls-radius-md);
    transition: var(--ls-transition);
}

.ls-create-footer a:hover {
    color: var(--ls-primary);
    background: var(--ls-primary-light);
}

/* ========================================
   用户触发器
   ======================================== */
.ls-user {
    position: relative;
}

.ls-user-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px;
    border-radius: var(--ls-radius-full);
    cursor: pointer;
    transition: var(--ls-transition);
}

.ls-user-trigger:hover {
    background: var(--ls-bg-hover);
}

.ls-trigger-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--ls-radius-full);
    object-fit: cover;
}

.ls-user-trigger > i {
    font-size: 16px;
    color: var(--ls-text-muted);
    margin-right: 4px;
}

/* ========================================
   用户下拉面板
   ======================================== */
.ls-dropdown-user {
    width: 280px;
    right: 0;
    left: auto;
    overflow: hidden;
    padding: 0;
}

/* 用户信息头部 */
.ls-user-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
}

.ls-user-avatar-wrap {
    position: relative;
    flex-shrink: 0;
}

.ls-user-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--ls-radius-full);
    object-fit: cover;
}

/* 头像认证角标 */
.ls-avatar-verify {
    position: absolute;
    bottom: -2px;
    right: -2px;
}

.ls-avatar-verify .jinsom-verify-icon {
    display: block;
}

.ls-avatar-verify .jinsom-verify-icon img {
    width: 16px;
    height: 16px;
    border-radius: var(--ls-radius-full);
    border: 2px solid #fff;
    background: #fff;
    right: 0px;
    bottom: 2px;
}

.ls-user-info {
    flex: 1;
    min-width: 0;
}

.ls-user-name-row {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 4px;
}

.ls-user-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--ls-text-primary);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ls-user-name:hover {
    color: var(--ls-primary);
}

.ls-user-meta {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 等级标签（使用系统自带的 jinsom-lv 样式） */
.ls-user-meta .jinsom-lv {
    font-size: 10px;
    padding: 1px 5px;
}

.ls-meta-dot {
    width: 3px;
    height: 3px;
    background: var(--ls-text-muted);
    border-radius: 50%;
}

.ls-meta-text {
    font-size: 12px;
    color: var(--ls-text-muted);
}

.ls-user-goto {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ls-text-muted);
    background: var(--ls-bg-hover);
    border-radius: var(--ls-radius-full);
    transition: var(--ls-transition);
    flex-shrink: 0;
}

.ls-user-goto:hover {
    color: var(--ls-primary);
    background: var(--ls-primary-light);
}

.ls-user-goto i {
    font-size: 16px;
}

/* 经验进度 */
.ls-exp-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 16px 12px;
}

.ls-exp-bar {
    flex: 1;
    height: 4px;
    background: var(--ls-bg-hover);
    border-radius: var(--ls-radius-full);
    overflow: hidden;
}

.ls-exp-fill {
    height: 100%;
    background: linear-gradient(90deg, #22c55e, #16a34a);
    border-radius: var(--ls-radius-full);
}

.ls-exp-text {
    font-size: 11px;
    color: var(--ls-text-muted);
    white-space: nowrap;
}

/* 数据统计 */
.ls-stats-grid {
    display: flex;
    margin: 0 12px 8px;
    background: var(--ls-bg-light);
    border-radius: var(--ls-radius-lg);
    overflow: hidden;
}

.ls-stat-box {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 10px 0;
    text-decoration: none;
    transition: var(--ls-transition);
}

.ls-stat-box:hover {
    background: var(--ls-bg-hover);
}

.ls-stat-num {
    font-size: 16px;
    font-weight: 700;
    color: var(--ls-text-primary);
}

.ls-stat-box:hover .ls-stat-num {
    color: var(--ls-primary);
}

.ls-stat-label {
    font-size: 11px;
    color: var(--ls-text-muted);
}

/* VIP 入口 */
.ls-vip-entry {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 12px 8px;
    padding: 10px 12px;
    background: var(--ls-bg-light);
    border-radius: var(--ls-radius-lg);
    text-decoration: none;
    transition: var(--ls-transition);
}

.ls-vip-entry:hover {
    background: var(--ls-bg-hover);
}

.ls-vip-entry.is-vip {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
}

.ls-vip-entry.is-vip:hover {
    background: linear-gradient(135deg, #fde68a, #fcd34d);
}

.ls-vip-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #d1d5db, #9ca3af);
    border-radius: var(--ls-radius-md);
}

.ls-vip-entry.is-vip .ls-vip-icon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.ls-vip-icon i {
    font-size: 16px;
    color: #fff;
}

.ls-vip-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.ls-vip-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--ls-text-primary);
}

.ls-vip-entry.is-vip .ls-vip-title {
    color: #92400e;
}

.ls-vip-sub {
    font-size: 11px;
    color: var(--ls-text-muted);
}

.ls-vip-entry.is-vip .ls-vip-sub {
    color: #b45309;
}

.ls-vip-arrow {
    font-size: 16px;
    color: var(--ls-text-muted);
}

.ls-vip-entry.is-vip .ls-vip-arrow {
    color: #92400e;
}

/* 资产入口 */
.ls-assets-grid {
    display: flex;
    gap: 8px;
    margin: 0 12px 8px;
}

.ls-asset-box {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px;
    background: var(--ls-bg-light);
    border-radius: var(--ls-radius-lg);
    text-decoration: none;
    transition: var(--ls-transition);
}

.ls-asset-box:hover {
    background: var(--ls-bg-hover);
}

.ls-asset-box i {
    font-size: 20px;
}

.ls-asset-box.coin i {
    color: #f59e0b;
}

.ls-asset-box.balance i {
    color: #3b82f6;
}

.ls-asset-box.points i {
    color: #ec4899;
}

.ls-asset-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.ls-asset-num {
    font-size: 14px;
    font-weight: 600;
    color: var(--ls-text-primary);
}

.ls-asset-label {
    font-size: 10px;
    color: var(--ls-text-muted);
}

/* 用户菜单 */
.ls-user-menu {
    padding: 8px;
}

.ls-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--ls-text-secondary);
    text-decoration: none;
    border-radius: var(--ls-radius-md);
    transition: var(--ls-transition);
}

.ls-menu-item:hover {
    color: var(--ls-text-primary);
    background: var(--ls-bg-hover);
}

.ls-menu-item i {
    font-size: 18px;
    opacity: 0.7;
}

.ls-menu-count {
    margin-left: auto;
    padding: 2px 8px;
    font-size: 12px;
    color: var(--ls-text-muted);
    background: var(--ls-bg-hover);
    border-radius: var(--ls-radius-full);
}

.ls-menu-divider {
    height: 1px;
    margin: 6px 0;
    background: var(--ls-border-light);
}

.ls-menu-item.admin {
    color: var(--ls-primary);
}

.ls-menu-item.logout {
    color: #ef4444;
}

.ls-menu-item.logout:hover {
    background: #fef2f2;
}

/* 社区号显示 */
.ls-menu-uid {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    font-size: 11px;
    color: var(--ls-text-muted);
    background: var(--ls-bg-hover);
    border-radius: var(--ls-radius-full);
    cursor: pointer;
    transition: var(--ls-transition);
}

.ls-menu-uid:hover {
    color: var(--ls-primary);
    background: var(--ls-primary-light);
}

.ls-menu-uid em {
    font-style: normal;
    font-weight: 500;
    color: var(--ls-text-muted);
}

.ls-menu-uid:hover em {
    color: var(--ls-primary);
}

.ls-menu-uid span {
    font-weight: 600;
    color: var(--ls-text-secondary);
}

.ls-menu-uid:hover span {
    color: var(--ls-primary);
}

.ls-menu-uid i {
    font-size: 12px;
    opacity: 0.6;
}

.ls-menu-uid:hover i {
    opacity: 1;
}

/* ========================================
   搜索弹窗
   ======================================== */
.ls-search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
}

.ls-search-modal.active {
    display: block;
}

.ls-search-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.ls-search-container {
    position: relative;
    max-width: 600px;
    margin: 80px auto 0;
    background: var(--ls-bg-white);
    border-radius: var(--ls-radius-xl);
    box-shadow: var(--ls-shadow-lg);
    overflow: hidden;
}

.ls-search-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--ls-border-light);
}

.ls-search-box i {
    font-size: 22px;
    color: var(--ls-text-muted);
}

.ls-search-box input {
    flex: 1;
    font-size: 16px;
    color: var(--ls-text-primary);
    border: none;
    outline: none;
    background: transparent;
}

.ls-search-box input::placeholder {
    color: var(--ls-text-muted);
}

.ls-search-box kbd {
    padding: 4px 8px;
    font-size: 12px;
    color: var(--ls-text-muted);
    background: var(--ls-bg-hover);
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius-sm);
}

.ls-search-content {
    padding: 16px 20px;
}

.ls-search-section {
    margin-bottom: 20px;
}

.ls-search-section:last-child {
    margin-bottom: 0;
}

.ls-search-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--ls-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.ls-hot-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ls-hot-tag {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 13px;
    color: var(--ls-text-secondary);
    background: var(--ls-bg-hover);
    border-radius: var(--ls-radius-full);
    text-decoration: none;
    transition: var(--ls-transition);
}

.ls-hot-tag:hover {
    color: var(--ls-primary);
    background: var(--ls-primary-light);
}

.ls-hot-tag i {
    color: #ef4444;
}

.ls-recent-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ls-recent-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--ls-text-secondary);
    text-decoration: none;
    border-radius: var(--ls-radius-md);
    transition: var(--ls-transition);
}

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

.ls-recent-item i {
    font-size: 16px;
    color: var(--ls-text-muted);
}

.ls-recent-item span {
    flex: 1;
}

.ls-recent-item .ls-remove {
    opacity: 0;
    transition: var(--ls-transition);
}

.ls-recent-item:hover .ls-remove {
    opacity: 1;
}

/* ========================================
   未登录状态
   ======================================== */
.ls-auth-btns {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ls-login-btn {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ls-primary);
    text-decoration: none;
    border-radius: var(--ls-radius-full);
    transition: var(--ls-transition);
}

.ls-login-btn:hover {
    background: var(--ls-primary-light);
}

.ls-register-btn {
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: var(--ls-primary);
    text-decoration: none;
    border-radius: var(--ls-radius-full);
    transition: var(--ls-transition);
}

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

/* ========================================
   空提示
   ======================================== */
.ls-empty-tip {
    padding: 32px 16px;
    font-size: 14px;
    color: var(--ls-text-muted);
    text-align: center;
}

/* 加载动画 */
@keyframes ri-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.ri-spin {
    animation: ri-spin 1s linear infinite;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1200px) {
    .ls-header-left {
        gap: 24px;
    }

    .ls-user-brief {
        display: none;
    }
}

@media (max-width: 992px) {
    .ls-nav-item > a span,
    .ls-nav-item.active span {
        display: none;
    }

    .ls-nav-badge {
        display: none;
    }

    .ls-create-btn span {
        display: none;
    }

    .ls-create-btn {
        width: 36px;
        padding: 0;
    }

    .ls-search-trigger span {
        display: none;
    }
}

@media (max-width: 768px) {
    .ls-main-nav {
        display: none;
    }

    .ls-header-inner {
        padding: 0 16px;
    }
}

body {
    padding-top: var(--ls-header-height);
}