/* ===== 全局重置与变量 ===== */
:root {
    /* 核心颜色 - 白底灰块 */
    --bg-body: #ffffff;           /* 页面背景纯白 */
    --bg-block: #f0f2f6;          /* 区块背景灰色（卡片、列表等） */
    --bg-hover: #e8ebf0;          /* 悬停时更深的灰色 */
    --bg-white: #ffffff;          /* 卡片内纯白 */
    
    --primary: #4f6ef7;
    --primary-light: #eef1ff;
    --primary-dark: #3b55d9;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #8a8aa8;
    
    --shadow-card: 0 2px 16px rgba(0,0,0,0.04);
    --shadow-hover: 0 8px 30px rgba(79,110,247,0.08);
    --radius-card: 16px;
    --radius-btn: 100px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-body);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    color: var(--text-primary);
    line-height: 1.6;
}

/* ===== 主卡片 ===== */
.card {
    max-width: 860px;
    width: 100%;
    background: var(--bg-white);
    border-radius: var(--radius-card);
    padding: 0;
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

/* ===== 顶部导航 ===== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    flex-wrap: wrap;
    gap: 6px;
}

.navbar .brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.navbar .brand span { color: var(--primary); }
.navbar .brand i { color: var(--primary); font-size: 1.2rem; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}
.nav-links a:hover { color: var(--primary); }
.nav-links .btn-nav {
    padding: 4px 16px;
    background: var(--primary);
    color: #fff !important;
    border-radius: var(--radius-btn);
    font-size: 0.8rem;
    font-weight: 600;
}
.nav-links .btn-nav:hover {
    background: var(--primary-dark);
}

/* ===== 英雄区 ===== */
.hero {
    padding: 30px 20px 24px 20px;
    text-align: center;
    background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 100%);
    position: relative;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0.2;
}
.hero h1 {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #1a1a2e, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}
.hero p.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 16px auto;
}
.hero .hero-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 8px;
}

/* 搜索框 */
.hero form {
    display: flex;
    max-width: 420px;
    margin: 8px auto 0 auto;
    background: #fff;
    border-radius: 100px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.04);
}
.hero form input {
    flex: 1;
    padding: 8px 16px;
    border: none;
    outline: none;
    font-size: 0.9rem;
    background: transparent;
    min-width: 60px;
}
.hero form button {
    padding: 8px 16px;
    background: transparent;
    border: none;
    color: var(--primary);
    cursor: pointer;
}
.hero form .clear-btn {
    padding: 8px 12px;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-decoration: none;
}

/* ===== 个人资料（灰色区块） ===== */
.profile-section {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px 8px 20px;
    flex-wrap: wrap;
}
.profile-section .avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    flex-shrink: 0;
}
.profile-section .info {
    flex: 1;
    min-width: 120px;
}
.profile-section .info .name {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}
.profile-section .info .title-role {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.profile-section .info .title-role .status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.profile-section .info .title-role .status-online { background: #22c55e; }
.profile-section .info .title-role .status-busy { background: #eab308; }
.profile-section .info .title-role .status-offline { background: #ef4444; }

/* ===== 简介 ===== */
.bio-box {
    padding: 6px 20px 4px 20px;
}
.bio-box p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== 信息网格（灰色区块） ===== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 8px;
    padding: 6px 20px;
}
.info-grid .info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--bg-block);
    padding: 6px 12px;
    border-radius: 8px;
}
.info-grid .info-item i {
    color: var(--primary);
    font-size: 0.9rem;
    width: 20px;
    text-align: center;
}
.info-grid .info-item a {
    color: var(--primary);
    text-decoration: none;
}
.info-grid .info-item a:hover { text-decoration: underline; }

/* ===== 区块标题 ===== */
.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(0,0,0,0.04);
}

.section-padding {
    padding: 12px 20px 16px 20px;
}

/* ===== 技能标签（灰色区块） ===== */
.skills-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.skills-wrap .skill-tag {
    background: var(--bg-block);
    color: var(--text-secondary);
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: var(--transition);
}
.skills-wrap .skill-tag:hover {
    background: var(--primary);
    color: #fff;
}

/* ===== 分类标签 ===== */
.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.category-tabs a {
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}
.category-tabs a.all { color: #fff; background: var(--primary); }
.category-tabs a.other { color: var(--text-secondary); background: var(--bg-block); }
.category-tabs a.other:hover { background: var(--bg-hover); color: var(--primary); }
.category-tabs a.active { color: #fff; background: var(--primary); }

/* ===== 文章网格 ===== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
@media (max-width: 768px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .articles-grid { grid-template-columns: 1fr; }
}

.article-card {
    background: var(--bg-block);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid transparent;
}
.article-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(79,110,247,0.10);
}
.article-card .cover {
    width: 100%;
    padding-bottom: 56.25%;
    position: relative;
    overflow: hidden;
    background: #e8ecf4;
}
.article-card .cover img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.article-card:hover .cover img { transform: scale(1.03); }
.article-card .cover.no-cover {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-muted);
}
.article-card .cover.no-cover a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: inherit;
}
.article-card .body {
    padding: 10px 12px 12px 12px;
}
.article-card .body h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 4px;
}
.article-card .body h3 a {
    color: var(--text-primary);
    text-decoration: none;
}
.article-card .body h3 a:hover { color: var(--primary); }
.article-card .body .excerpt {
    font-size: 0.78rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}
.article-card .body .footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid rgba(0,0,0,0.04);
    font-size: 0.65rem;
    color: var(--text-muted);
}
.article-card .body .footer .stats {
    display: flex;
    gap: 8px;
    align-items: center;
}
.article-card .body .footer .like-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.7rem;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 2px 6px;
    border-radius: 4px;
}
.article-card .body .footer .like-btn:hover {
    background: rgba(220,38,38,0.06);
    color: #dc2626;
}
.article-card .body .category {
    font-size: 0.6rem;
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 100px;
    font-weight: 500;
    display: inline-block;
}

/* ===== 动态（灰色区块） ===== */
.post-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-block);
    border-radius: 8px;
    margin-bottom: 6px;
    transition: var(--transition);
}
.post-item:last-child { margin-bottom: 0; }
.post-item:hover { background: var(--bg-hover); }
.post-item .content {
    font-size: 0.9rem;
    color: var(--text-primary);
    word-break: break-word;
}
.post-item .time {
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
    margin-left: 12px;
}

/* ===== 项目（灰色区块） ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}
@media (max-width: 480px) {
    .projects-grid { grid-template-columns: 1fr; }
}

.project-card {
    background: var(--bg-block);
    border-radius: 12px;
    padding: 16px;
    transition: var(--transition);
}
.project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.project-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}
.project-card h3 i { color: var(--primary); margin-right: 4px; }
.project-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.project-card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.project-card .tags span {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.6rem;
    padding: 2px 10px;
    border-radius: 100px;
    font-weight: 500;
}

/* ===== 社交（灰色区块） ===== */
.socials {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-block);
    color: var(--text-secondary);
    transition: var(--transition);
    text-decoration: none;
    font-size: 1.1rem;
}
.socials a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ===== 底部 ===== */
.footer-note {
    text-align: center;
    padding: 16px 20px 20px 20px;
    border-top: 1px solid rgba(0,0,0,0.04);
    font-size: 0.75rem;
    color: var(--text-muted);
}
.footer-note a {
    color: var(--primary);
    text-decoration: none;
}
.footer-note a:hover { text-decoration: underline; }
.footer-note .visit-count {
    display: inline-block;
    margin-top: 4px;
}

/* ===== 页脚自定义 ===== */
.footer-custom {
    padding: 20px 20px 10px;
    border-top: 1px solid rgba(0,0,0,0.04);
    background: var(--bg-block);
    margin-top: 8px;
}
.footer-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 16px;
}
.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.footer-col ul {
    list-style: none;
    padding: 0;
}
.footer-col ul li {
    margin-bottom: 4px;
}
.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}
.footer-col ul li a:hover {
    color: var(--primary);
}
.footer-bottom {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(0,0,0,0.04);
    padding-top: 12px;
}
@media (max-width: 480px) {
    .footer-columns {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
}

/* ===== 移动端底部导航 ===== */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    border-top: 1px solid rgba(0,0,0,0.04);
    padding: 6px 12px;
    z-index: 999;
    justify-content: space-around;
    align-items: center;
}
.mobile-bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.55rem;
    transition: var(--transition);
}
.mobile-bottom-nav a i { font-size: 1.1rem; }
.mobile-bottom-nav a.active { color: var(--primary); }
.mobile-bottom-nav a:hover { color: var(--primary); }

@media (max-width: 768px) {
    .mobile-bottom-nav { display: flex; }
    body { padding: 8px; }
    .card { border-radius: 12px; }
    .navbar { padding: 10px 16px; }
    .nav-links { gap: 10px; }
    .nav-links a { font-size: 0.8rem; }
    .hero { padding: 24px 16px 20px; }
    .hero h1 { font-size: 2rem; }
    .hero p.subtitle { font-size: 0.95rem; }
    .profile-section { padding: 12px 16px 6px; }
    .profile-section .avatar { width: 60px; height: 60px; }
    .profile-section .info .name { font-size: 1.2rem; }
    .profile-section .info .title-role { font-size: 0.8rem; }
    .bio-box { padding: 4px 16px; }
    .info-grid { padding: 4px 16px; grid-template-columns: 1fr 1fr; gap: 6px; }
    .section-padding { padding: 8px 16px 12px; }
}

@media (max-width: 480px) {
    body { padding: 0; }
    .card { border-radius: 0; }
    .navbar { flex-direction: column; align-items: stretch; gap: 4px; }
    .navbar .brand { justify-content: center; }
    .nav-links { justify-content: center; gap: 8px; }
    .nav-links a { font-size: 0.75rem; }
    .hero h1 { font-size: 1.6rem; }
    .hero p.subtitle { font-size: 0.85rem; }
    .profile-section { flex-direction: column; align-items: center; text-align: center; }
    .profile-section .info .title-role { justify-content: center; }
    .profile-section .avatar { width: 72px; height: 72px; }
    .info-grid { grid-template-columns: 1fr; }
    .article-card .body .footer { flex-direction: column; align-items: flex-start; gap: 4px; }
    .projects-grid { grid-template-columns: 1fr; }
    .mobile-bottom-nav { padding: 4px 8px; }
    .mobile-bottom-nav a { font-size: 0.5rem; }
    .mobile-bottom-nav a i { font-size: 1rem; }
}

/* ===== 文章详情页 ===== */
.article-detail-wrap {
    padding: 20px;
}
.article-detail-wrap .back-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
}
.article-detail-wrap .cover-image {
    margin: 12px 0;
    border-radius: 12px;
    overflow: hidden;
    max-height: 400px;
    background: var(--bg-block);
}
.article-detail-wrap .cover-image img {
    width: 100%;
    height: auto;
    display: block;
}
.article-detail-wrap .title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.article-detail-wrap .meta {
    display: flex;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.article-detail-wrap .meta .category-tag {
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 500;
}
.article-detail-wrap .content {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}
.article-detail-wrap .content img { max-width: 100%; border-radius: 8px; }
.article-detail-wrap .content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 16px;
    margin: 16px 0;
    color: var(--text-muted);
}
.article-detail-wrap .content code {
    background: var(--bg-block);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* 评论 */
.comments-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.04);
}
.comments-section h2 {
    font-size: 1.2rem;
    margin-bottom: 16px;
}
.comment-form input,
.comment-form textarea {
    width: 100%;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.06);
    background: var(--bg-block);
    font-size: 0.95rem;
    outline: none;
}
.comment-form input:focus,
.comment-form textarea:focus {
    border-color: var(--primary);
}
.comment-form .btn-submit {
    padding: 8px 20px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 100px;
    font-weight: 600;
    cursor: pointer;
}
.comment-form .btn-submit:hover { background: var(--primary-dark); }

.comment-item {
    background: var(--bg-block);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 12px;
}
.comment-item .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
.comment-item .header .nickname { font-weight: 600; color: var(--text-primary); }
.comment-item .header .time { font-size: 0.7rem; color: var(--text-muted); }
.comment-item .body { font-size: 0.95rem; color: var(--text-secondary); margin-top: 4px; }

@media (max-width: 768px) {
    .article-detail-wrap { padding: 16px; }
    .article-detail-wrap .title { font-size: 1.6rem; }
}
@media (max-width: 480px) {
    .article-detail-wrap .title { font-size: 1.3rem; }
    .article-detail-wrap .meta { gap: 8px; font-size: 0.75rem; }
    .comment-item .header { flex-direction: column; align-items: flex-start; }
}

/* ===== 后台样式（admin.php） ===== */
.admin-wrap {
    display: flex;
    min-height: 100vh;
    background: var(--bg-body);
}
.admin-sidebar {
    width: 260px;
    background: var(--bg-white);
    border-right: 1px solid rgba(0,0,0,0.04);
    padding: 20px 16px;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
    transition: all 0.3s ease;
}
.admin-sidebar.collapsed {
    width: 72px;
}
.admin-sidebar.collapsed .admin-brand span,
.admin-sidebar.collapsed .menu-label,
.admin-sidebar.collapsed .menu-arrow,
.admin-sidebar.collapsed .admin-footer span {
    display: none;
}
.admin-sidebar.collapsed .admin-brand { text-align: center; justify-content: center; }
.admin-sidebar.collapsed .admin-menu a { justify-content: center; padding: 10px 8px; }
.admin-sidebar.collapsed .admin-menu .menu-icon { font-size: 1.4rem; width: auto; }
.admin-sidebar.collapsed .admin-menu .sub-menu { display: none !important; }
.admin-sidebar.collapsed .admin-footer a { justify-content: center; padding: 10px 8px; }
.admin-sidebar.collapsed + .admin-main { margin-left: 72px; }

.admin-brand {
    font-size: 1.4rem;
    font-weight: 700;
    padding: 0 8px 20px 8px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.admin-brand .brand-icon { color: var(--primary); }
.admin-collapse-btn {
    background: var(--bg-block);
    border: 1px solid rgba(0,0,0,0.04);
    border-radius: 8px;
    padding: 2px 8px;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition);
    line-height: 1;
}
.admin-collapse-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}
.admin-sidebar.collapsed .admin-collapse-btn { transform: rotate(180deg); }

.admin-menu {
    list-style: none;
    padding: 0;
    flex: 1;
    margin: 0;
}
.admin-menu li {
    margin-bottom: 2px;
    list-style: none;
}
.admin-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
    white-space: nowrap;
    cursor: pointer;
}
.admin-menu a:hover {
    background: rgba(79,110,247,0.04);
    color: var(--primary);
}
.admin-menu a.active {
    background: rgba(79,110,247,0.08);
    color: var(--primary);
    font-weight: 600;
}
.admin-menu .menu-icon {
    font-size: 1.2rem;
    width: 28px;
    text-align: center;
    flex-shrink: 0;
}
.admin-menu .menu-label { flex: 1; }
.admin-menu .menu-arrow {
    font-size: 0.7rem;
    transition: transform 0.3s;
    margin-left: auto;
    color: var(--text-muted);
}
.admin-menu .menu-arrow.open { transform: rotate(180deg); }

.admin-menu .sub-menu {
    list-style: none;
    padding: 0;
    margin: 0 0 2px 32px;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease;
}
.admin-menu .sub-menu.open { max-height: 500px; }
.admin-menu .sub-menu li { margin-bottom: 0; }
.admin-menu .sub-menu a {
    padding: 6px 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
    gap: 10px;
}
.admin-menu .sub-menu a:hover {
    color: var(--primary);
    background: rgba(79,110,247,0.04);
}
.admin-menu .sub-menu a.active {
    color: var(--primary);
    background: rgba(79,110,247,0.06);
    font-weight: 500;
}
.admin-menu .sub-menu .menu-icon {
    font-size: 1rem;
    width: 24px;
}

.admin-footer {
    padding-top: 16px;
    border-top: 1px solid rgba(0,0,0,0.04);
    margin-top: auto;
}
.admin-footer a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
    white-space: nowrap;
}
.admin-footer a:hover {
    background: rgba(220,38,38,0.04);
    color: #dc2626;
}

.admin-main {
    margin-left: 260px;
    flex: 1;
    padding: 24px;
    min-height: 100vh;
    transition: margin-left 0.3s;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.admin-header h1 { font-size: 1.6rem; color: var(--text-primary); }
.admin-header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.admin-section {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
}
.admin-section h2 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-form-group { margin-bottom: 16px; }
.admin-form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.admin-form-group input,
.admin-form-group textarea,
.admin-form-group select {
    width: 100%;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.06);
    background: var(--bg-block);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}
.admin-form-group input:focus,
.admin-form-group textarea:focus,
.admin-form-group select:focus {
    border-color: var(--primary);
    outline: none;
}
.admin-form-group textarea { min-height: 80px; resize: vertical; }
.admin-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 600px) {
    .admin-form-row { grid-template-columns: 1fr; }
}

.admin-btn {
    padding: 8px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}
.admin-btn-primary { background: var(--primary); color: #fff; }
.admin-btn-primary:hover { background: var(--primary-dark); }
.admin-btn-danger { background: rgba(220,38,38,0.06); color: #dc2626; }
.admin-btn-danger:hover { background: rgba(220,38,38,0.12); }
.admin-btn-success { background: rgba(22,163,74,0.06); color: #16a34a; }
.admin-btn-success:hover { background: rgba(22,163,74,0.12); }
.admin-btn-small { padding: 4px 12px; font-size: 0.8rem; }
.admin-btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(0,0,0,0.06);
}
.admin-btn-outline:hover {
    background: var(--bg-block);
}

.admin-msg {
    padding: 10px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}
.admin-msg.success {
    background: rgba(22,163,74,0.06);
    color: #16a34a;
    border: 1px solid rgba(22,163,74,0.06);
}
.admin-msg.error {
    background: rgba(220,38,38,0.06);
    color: #dc2626;
    border: 1px solid rgba(220,38,38,0.06);
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}
.admin-stat-card {
    background: var(--bg-block);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}
.admin-stat-card .number { font-size: 2rem; font-weight: 700; color: var(--text-primary); }
.admin-stat-card .label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

.admin-menu-toggle {
    display: none;
    background: var(--bg-block);
    border: 1px solid rgba(0,0,0,0.04);
    border-radius: 8px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-primary);
}
.admin-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.1);
    z-index: 99;
}

.admin-item-list { margin-top: 12px; }
.admin-item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    gap: 12px;
    flex-wrap: wrap;
}
.admin-item-row .admin-item-info { flex: 1; }
.admin-item-row .admin-item-actions { display: flex; gap: 6px; }

.admin-tag-group { display: flex; flex-wrap: wrap; gap: 4px; }
.admin-tag {
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
}

.admin-status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
}
.status-published { background: rgba(22,163,74,0.08); color: #16a34a; }
.status-draft { background: rgba(234,179,8,0.08); color: #ca8a04; }

.admin-tab-bar {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    padding-bottom: 4px;
    flex-wrap: wrap;
}
.admin-tab-btn {
    padding: 6px 16px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.9rem;
}
.admin-tab-btn:hover { background: var(--bg-block); }
.admin-tab-btn.active {
    color: var(--primary);
    background: rgba(79,110,247,0.06);
}
.admin-tab-content { display: none; }
.admin-tab-content.active { display: block; }

.admin-user-menu {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px 4px 8px;
    border-radius: 100px;
    background: var(--bg-block);
    border: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
    color: var(--text-primary);
}
.admin-user-menu:hover {
    border-color: var(--primary);
}
.admin-user-menu .avatar-small {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
}
.admin-user-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 8px;
    background: var(--bg-white);
    border-radius: 12px;
    padding: 6px 0;
    min-width: 180px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    z-index: 200;
    border: 1px solid rgba(0,0,0,0.04);
}
.admin-user-dropdown.open { display: block; }
.admin-user-dropdown button,
.admin-user-dropdown a {
    display: block;
    width: 100%;
    padding: 8px 16px;
    border: none;
    background: none;
    color: var(--text-primary);
    text-align: left;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}
.admin-user-dropdown button:hover,
.admin-user-dropdown a:hover {
    background: rgba(79,110,247,0.04);
}
.admin-user-dropdown .divider {
    height: 1px;
    background: rgba(0,0,0,0.04);
    margin: 4px 8px;
}
.admin-user-dropdown .logout-btn { color: #dc2626; }
.admin-user-dropdown .logout-btn:hover {
    background: rgba(220,38,38,0.04);
}

.admin-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.2);
    z-index: 999;
    align-items: center;
    justify-content: center;
}
.admin-modal-overlay.open { display: flex; }
.admin-modal-box {
    background: var(--bg-white);
    border-radius: 16px;
    max-width: 480px;
    width: 90%;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.10);
    position: relative;
}
.admin-modal-box h2 {
    margin-bottom: 16px;
    color: var(--text-primary);
}
.admin-modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}
.admin-modal-close:hover { color: var(--text-primary); }

.admin-emoji-picker-wrapper {
    position: relative;
    display: inline-block;
}
.admin-emoji-picker-container {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    background: var(--bg-white);
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.04);
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    padding: 12px;
    display: none;
    width: 320px;
    max-height: 350px;
    overflow-y: auto;
    margin-top: 4px;
}
.admin-emoji-picker-container.open { display: block; }
.admin-emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
}
.admin-emoji-grid button {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: var(--transition);
}
.admin-emoji-grid button:hover { background: var(--bg-block); }
.admin-emoji-category {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 0 4px 0;
    grid-column: 1 / -1;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    margin-bottom: 4px;
}
.admin-emoji-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    transition: var(--transition);
}
.admin-emoji-trigger:hover { background: var(--bg-block); }

.admin-cover-preview {
    max-width: 150px;
    max-height: 100px;
    border-radius: 8px;
    object-fit: cover;
    margin: 4px 0;
}

@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    .admin-sidebar.open { transform: translateX(0); }
    .admin-sidebar.collapsed { width: 280px; transform: translateX(-100%); }
    .admin-sidebar.collapsed.open { transform: translateX(0); }
    .admin-sidebar.collapsed .admin-brand span,
    .admin-sidebar.collapsed .menu-label,
    .admin-sidebar.collapsed .menu-arrow,
    .admin-sidebar.collapsed .admin-footer span {
        display: inline;
    }
    .admin-sidebar.collapsed .admin-menu a { justify-content: flex-start; padding: 10px 16px; }
    .admin-sidebar.collapsed .admin-menu .menu-icon { font-size: 1.2rem; width: 28px; }
    .admin-sidebar.collapsed .admin-menu .sub-menu { display: block !important; }
    .admin-sidebar.collapsed .admin-footer a { justify-content: flex-start; padding: 10px 16px; }
    .admin-sidebar.collapsed + .admin-main { margin-left: 0; }
    .admin-menu-toggle { display: inline-block; }
    .admin-overlay.open { display: block; }
    .admin-main { margin-left: 0; padding: 16px; }
    .admin-header h1 { font-size: 1.3rem; }
    .admin-section { padding: 16px; }
    .admin-emoji-picker-container { width: 260px; right: 0; left: auto; }
    .admin-emoji-grid { grid-template-columns: repeat(7, 1fr); }
}