:root[data-theme="light"] {
    --bg-color: #f4f6f9;
    --bg-mesh: radial-gradient(at 0% 0%, rgba(220, 53, 69, 0.1) 0px, transparent 50%), radial-gradient(at 100% 100%, rgba(13, 110, 253, 0.1) 0px, transparent 50%);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --text-primary: #333333;
    --text-secondary: #666666;
    --primary-color: #c9302c; /* 政府红 */
    --hover-bg: rgba(201, 48, 44, 0.1);
}

:root[data-theme="dark"] {
    --bg-color: #121212;
    --bg-mesh: radial-gradient(at 0% 0%, rgba(139, 0, 0, 0.2) 0px, transparent 50%), radial-gradient(at 100% 100%, rgba(0, 51, 102, 0.2) 0px, transparent 50%);
    --glass-bg: rgba(30, 30, 30, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #e0e0e0;
    --text-secondary: #aaaaaa;
    --primary-color: #e53935;
    --hover-bg: rgba(255, 255, 255, 0.1);
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, "Microsoft YaHei", sans-serif; }
body { background: var(--bg-mesh), var(--bg-color); color: var(--text-primary); transition: all 0.3s ease; min-height: 100vh; }
.hidden { display: none !important; }

/* 毛玻璃核心类 */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

/* 顶部导航 */
.glass-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 15px 30px; position: sticky; top: 0; z-index: 100;
    background: var(--glass-bg); backdrop-filter: blur(15px);
    border-bottom: 2px solid var(--primary-color); /* 顶部的庄重红线 */
}

.header-left { display: flex; align-items: center; gap: 15px; cursor: pointer; }
.nav-logo { width: 40px; height: 40px; object-fit: contain; }

/* 核心要求：Logo及LaoXiang Wiki字样(粗黑体) */
.logo-text { font-family: 'SimHei', sans-serif; font-weight: 900; color: #000; }
/* 暗黑模式下为了可见性增加白边，保持内部黑色 */
:root[data-theme="dark"] .logo-text { color: #000; text-shadow: -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff, 1px 1px 0 #fff; }

.header-right { display: flex; align-items: center; gap: 10px; }
input[type="text"] {
    padding: 8px 12px; border-radius: 4px; border: 1px solid var(--glass-border);
    background: transparent; color: var(--text-primary); outline: none;
}
input[type="text"]:focus { border-color: var(--primary-color); }

button { padding: 8px 15px; border-radius: 4px; border: none; cursor: pointer; font-weight: bold; transition: 0.2s; }
.btn-primary { background: var(--primary-color); color: white; }
.btn-primary:hover { opacity: 0.9; }
.btn-secondary { background: transparent; border: 1px solid var(--text-secondary); color: var(--text-primary); }
.btn-secondary:hover { background: var(--hover-bg); }

/* 主布局 */
.main-container { display: flex; max-width: 1200px; margin: 20px auto; padding: 0 20px; gap: 20px; align-items: flex-start;}

/* 侧边栏 (政府风格的垂直菜单) */
.glass-sidebar {
    width: 250px; flex-shrink: 0; padding: 20px 0;
    background: var(--glass-bg); backdrop-filter: blur(12px); border: 1px solid var(--glass-border); border-radius: 8px;
}
.sidebar-title { padding: 0 20px 15px; font-size: 18px; border-bottom: 1px solid var(--glass-border); color: var(--primary-color); }
#category-list { list-style: none; margin-top: 10px;}
#category-list li { padding: 12px 20px; cursor: pointer; transition: 0.2s; font-weight: 500; }
#category-list li:hover, #category-list li.active { background: var(--hover-bg); border-left: 4px solid var(--primary-color); }

/* 内容区 */
.glass-content {
    flex-grow: 1; padding: 30px; min-height: 70vh;
    background: var(--glass-bg); backdrop-filter: blur(12px); border: 1px solid var(--glass-border); border-radius: 8px;
}

/* 首页大视图 */
.hero-section { text-align: center; padding: 60px 20px; }
.hero-logo { width: 180px; height: 180px; margin-bottom: 20px; animation: float 3s ease-in-out infinite; }
.hero-text { font-size: 48px; margin-bottom: 10px; letter-spacing: 2px;}
.subtitle { font-size: 18px; color: var(--text-secondary); margin-bottom: 30px; }
.large-btn { padding: 12px 30px; font-size: 18px; border-radius: 30px; }

@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-10px); } 100% { transform: translateY(0px); } }

/* 列表视图 */
.list-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 2px solid var(--glass-border); padding-bottom: 15px; margin-bottom: 20px; }
.article-grid { display: flex; flex-direction: column; gap: 15px; }
.article-card {
    padding: 15px; border: 1px solid var(--glass-border); border-radius: 6px; cursor: pointer; transition: 0.2s;
    background: rgba(255,255,255,0.2);
}
:root[data-theme="dark"] .article-card { background: rgba(0,0,0,0.2); }
.article-card:hover { transform: translateX(5px); border-color: var(--primary-color); }
.card-meta { font-size: 12px; color: var(--text-secondary); margin-top: 8px; }

/* 详情与编辑视图 */
.article-header { border-bottom: 1px dashed var(--glass-border); padding-bottom: 15px; margin-bottom: 20px; margin-top: 15px;}
.article-meta { color: var(--text-secondary); font-size: 14px; margin-top: 10px;}
.wiki-content { min-height: 300px; padding: 15px; border-radius: 4px; line-height: 1.8; }
.wiki-content[contenteditable="true"] { border: 1px solid var(--primary-color); background: var(--hover-bg); outline: none;}
.wiki-content img { max-width: 100%; border-radius: 4px; margin: 10px 0; }

.glass-toolbar { padding: 10px; background: rgba(0,0,0,0.05); border-radius: 6px; margin-bottom: 10px; display: flex; gap: 10px;}
:root[data-theme="dark"] .glass-toolbar { background: rgba(255,255,255,0.05); }
.btn-upload { cursor: pointer; padding: 5px 10px; background: var(--text-secondary); color: white; border-radius: 4px; font-size: 13px; font-weight: bold;}
.btn-back { margin-bottom: 10px; }
.action-footer { margin-top: 20px; display: flex; justify-content: flex-end; gap: 15px; border-top: 1px solid var(--glass-border); padding-top: 20px;}

/* 移动端适配 */
@media (max-width: 768px) {
    .main-container { flex-direction: column; }
    .glass-sidebar { width: 100%; }
    .header-left .logo-text { font-size: 18px; }
    .hero-text { font-size: 32px; }
}