/* ============================================
   戏曲百科 - 主样式表
   中国风设计 · 响应式布局
   ============================================ */

/* --- CSS变量 --- */
:root {
    --primary: #8B0000;          /* 深红 - 中国红 */
    --primary-light: #B22222;
    --primary-dark: #5C0000;
    --accent: #D4A574;           /* 金色 - 装饰色 */
    --accent-light: #E8C99B;
    --bg: #FBF8F3;              /* 米白 - 背景 */
    --bg-dark: #F5F0E8;
    --bg-darker: #EDE6D8;
    --text: #2C2C2C;
    --text-light: #666666;
    --text-muted: #999999;
    --border: #D4C5A9;
    --border-light: #E8DCC8;
    --success: #2E7D32;
    --warning: #E65100;
    --info: #1565C0;
    --danger: #C62828;
    --shadow: 0 2px 12px rgba(139, 0, 0, 0.08);
    --shadow-hover: 0 6px 24px rgba(139, 0, 0, 0.15);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
    --font-cn: "Noto Serif SC", "Source Han Serif CN", "Songti SC", serif;
    --font-body: "Noto Sans SC", "Source Han Sans CN", -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1240px;
}

/* --- Reset & 基础 --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg);
    line-height: 1.8;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-cn);
    color: var(--primary-dark);
    line-height: 1.4;
    margin-bottom: 0.5em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.3rem; }

/* --- 容器 --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- 顶部导航 --- */
.navbar {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 16px rgba(0,0,0,0.2);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0;
    padding-bottom: 0;
    height: 64px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-cn);
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
}

.navbar-brand:hover { color: var(--accent-light); }

.navbar-brand .brand-icon {
    width: 36px;
    height: 36px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
}

.navbar-nav a {
    color: rgba(255,255,255,0.85);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: var(--transition);
}

.navbar-nav a:hover,
.navbar-nav a.active {
    color: #fff;
    background: rgba(255,255,255,0.15);
}

.navbar-nav .btn-nav {
    background: var(--accent);
    color: var(--primary-dark);
    font-weight: 600;
    padding: 6px 18px;
}

.navbar-nav .btn-nav:hover {
    background: var(--accent-light);
    color: var(--primary-dark);
}

/* 搜索框 */
.navbar-search {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.15);
    border-radius: 20px;
    padding: 4px 4px 4px 16px;
    gap: 4px;
    transition: var(--transition);
}

.navbar-search:focus-within {
    background: rgba(255,255,255,0.25);
}

.navbar-search input {
    background: transparent;
    border: none;
    color: #fff;
    outline: none;
    font-size: 0.9rem;
    width: 180px;
}

.navbar-search input::placeholder { color: rgba(255,255,255,0.6); }

.navbar-search button {
    background: var(--accent);
    border: none;
    color: var(--primary-dark);
    padding: 6px 12px;
    border-radius: 16px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.navbar-search button:hover { background: var(--accent-light); }

/* 移动端菜单 */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero区域 --- */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: #fff;
    padding: 60px 0 50px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212,165,116,0.1) 0%, transparent 60%);
    animation: heroGlow 8s ease-in-out infinite;
}

@keyframes heroGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(5%, 5%); }
}

.hero h1 {
    color: #fff;
    font-size: 2.6rem;
    letter-spacing: 4px;
    margin-bottom: 16px;
    position: relative;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 24px;
    position: relative;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    position: relative;
}

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

.hero-stat .number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--font-cn);
}

.hero-stat .label {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* --- 面包屑 --- */
.breadcrumb {
    padding: 12px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* --- 卡片 --- */
.card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--bg-darker);
}

.card-body { padding: 20px; }

.card-title {
    font-size: 1.1rem;
    font-family: var(--font-cn);
    margin-bottom: 8px;
}

.card-title a { color: var(--primary-dark); }
.card-title a:hover { color: var(--primary); }

.card-text {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- 网格 --- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* --- 板块 --- */
.section {
    padding: 40px 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 80px;
    height: 2px;
    background: var(--accent);
}

.section-title {
    font-family: var(--font-cn);
    font-size: 1.5rem;
    color: var(--primary-dark);
    letter-spacing: 2px;
}

.section-more {
    font-size: 0.9rem;
    color: var(--primary);
}

/* --- 分类标签 --- */
.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 20px 0;
}

.category-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text);
    transition: var(--transition);
    cursor: pointer;
}

.category-tag:hover, .category-tag.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.category-tag .tag-count {
    background: var(--bg-darker);
    color: var(--text-muted);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
}

.category-tag:hover .tag-count,
.category-tag.active .tag-count {
    background: rgba(255,255,255,0.25);
    color: rgba(255,255,255,0.9);
}

/* --- 词条详情 --- */
.article-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    padding: 40px 0;
}

.article-header h1 {
    color: #fff;
    font-size: 2.2rem;
    letter-spacing: 2px;
}

.article-header .meta {
    display: flex;
    gap: 20px;
    margin-top: 12px;
    font-size: 0.9rem;
    opacity: 0.85;
}

.article-content {
    padding: 30px 0;
}

.article-body {
    font-size: 1rem;
    line-height: 2;
    color: var(--text);
}

.article-body p { margin-bottom: 1em; }
.article-body h2 { margin-top: 1.5em; border-left: 4px solid var(--primary); padding-left: 12px; }
.article-body h3 { margin-top: 1.2em; }
.article-body img { max-width: 100%; border-radius: var(--radius); margin: 16px 0; }
.article-body blockquote {
    border-left: 4px solid var(--accent);
    padding: 12px 20px;
    background: var(--bg-dark);
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 16px 0;
    color: var(--text-light);
    font-style: italic;
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}
.article-body th, .article-body td {
    border: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
}
.article-body th {
    background: var(--primary);
    color: #fff;
}

/* 词条侧边栏 */
.article-sidebar {
    position: sticky;
    top: 80px;
}

.sidebar-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

.sidebar-card h3 {
    font-size: 1rem;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
    margin-bottom: 12px;
}

.sidebar-item {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9rem;
}

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

/* --- 按钮 --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-light);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139,0,0,0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

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

.btn-sm { padding: 6px 14px; font-size: 0.85rem; }
.btn-lg { padding: 14px 32px; font-size: 1.05rem; }

/* --- 表单 --- */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    color: var(--text);
    background: #fff;
    transition: var(--transition);
    outline: none;
    font-family: var(--font-body);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139,0,0,0.1);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
    line-height: 1.6;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-error {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 4px;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23666' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* 富文本编辑器 */
.editor-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 8px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--radius) var(--radius) 0 0;
}

.editor-toolbar button {
    background: #fff;
    border: 1px solid var(--border);
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.editor-toolbar button:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.editor-content {
    min-height: 400px;
    border: 1px solid var(--border);
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 16px;
    font-size: 1rem;
    line-height: 1.8;
    outline: none;
    background: #fff;
}

/* --- 状态徽章 --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-pending { background: #FFF3E0; color: var(--warning); }
.badge-published { background: #E8F5E9; color: var(--success); }
.badge-rejected { background: #FFEBEE; color: var(--danger); }
.badge-draft { background: #E3F2FD; color: var(--info); }
.badge-level-1 { background: #ECEFF1; color: #607D8B; }
.badge-level-2 { background: #E8F5E9; color: var(--success); }
.badge-level-3 { background: #FFF3E0; color: var(--warning); }

/* --- 分页 --- */
.pagination {
    display: flex;
    gap: 6px;
    justify-content: center;
    padding: 24px 0;
    list-style: none;
}

.pagination a, .pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text);
    transition: var(--transition);
}

.pagination a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination .active span { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination .disabled span { opacity: 0.4; cursor: not-allowed; }

/* --- 提示消息 --- */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-success { background: #E8F5E9; color: var(--success); border-left: 4px solid var(--success); }
.alert-error { background: #FFEBEE; color: var(--danger); border-left: 4px solid var(--danger); }
.alert-warning { background: #FFF3E0; color: var(--warning); border-left: 4px solid var(--warning); }
.alert-info { background: #E3F2FD; color: var(--info); border-left: 4px solid var(--info); }

/* --- 页脚 --- */
.footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1a0000 100%);
    color: rgba(255,255,255,0.8);
    padding: 40px 0 20px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer h4 {
    color: var(--accent);
    font-family: var(--font-cn);
    font-size: 1rem;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.footer a { color: rgba(255,255,255,0.7); }
.footer a:hover { color: var(--accent); }

.footer-bottom {
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.6;
}

/* --- 后台布局 --- */
.admin-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background: #1a1a2e;
    color: #fff;
    padding: 20px 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.admin-sidebar .sidebar-brand {
    padding: 0 20px 20px;
    font-family: var(--font-cn);
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.admin-sidebar .sidebar-brand a { color: var(--accent); }

.admin-nav { list-style: none; }

.admin-nav-item {
    display: block;
    padding: 10px 24px;
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.admin-nav-item.active {
    border-left: 3px solid var(--accent);
}

.admin-main {
    background: #f5f5f5;
    padding: 24px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.admin-header h1 {
    font-size: 1.5rem;
    font-family: var(--font-cn);
}

/* --- 后台表格 --- */
.table-wrapper {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    background: var(--bg-dark);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-light);
    border-bottom: 2px solid var(--border);
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9rem;
}

.data-table tr:hover td {
    background: var(--bg);
}

.data-table .actions {
    display: flex;
    gap: 6px;
}

/* --- 统计卡片 --- */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
}

.stat-card.green { border-left-color: var(--success); }
.stat-card.orange { border-left-color: var(--warning); }
.stat-card.blue { border-left-color: var(--info); }

.stat-card .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    font-family: var(--font-cn);
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* --- 收藏按钮 --- */
.btn-favorite {
    background: none;
    border: 2px solid var(--border);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    color: var(--text-light);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-favorite:hover, .btn-favorite.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.btn-favorite .heart { font-style: normal; }

/* --- 响应式 --- */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .navbar-nav { display: none; }
    .navbar-toggle { display: block; }
    .navbar-nav.show {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--primary-dark);
        padding: 16px;
        z-index: 999;
    }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.8rem; }
    .hero-stats { gap: 20px; }
    .footer-grid { grid-template-columns: 1fr; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
    .article-layout { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
    .container { padding: 0 12px; }
    .hero h1 { font-size: 1.5rem; }
    .btn { padding: 8px 16px; font-size: 0.85rem; }
}

/* --- 登录/注册页面 --- */
.auth-page {
    min-height: calc(100vh - 64px - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
}

.auth-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 40px;
    width: 100%;
    max-width: 440px;
}

.auth-card h2 {
    text-align: center;
    margin-bottom: 24px;
    font-family: var(--font-cn);
    letter-spacing: 2px;
}

.auth-card .form-group { margin-bottom: 16px; }

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* --- 用户等级标签 --- */
.level-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.level-1 { background: #ECEFF1; color: #607D8B; }
.level-2 { background: #E8F5E9; color: #2E7D32; }
.level-3 { background: #FFF3E0; color: #E65100; }

/* --- 装饰性元素 --- */
.chinese-border {
    border: 2px solid var(--primary);
    position: relative;
}

.chinese-border::before,
.chinese-border::after {
    content: '◇';
    position: absolute;
    color: var(--accent);
    font-size: 1rem;
}

.chinese-border::before { top: -10px; left: 20px; background: var(--bg); padding: 0 6px; }
.chinese-border::after { bottom: -10px; right: 20px; background: var(--bg); padding: 0 6px; }

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

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

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

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

.empty-state .empty-icon { font-size: 3rem; margin-bottom: 16px; }
.empty-state h3 { color: var(--text-light); margin-bottom: 8px; }