:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #334155;--fg: #f1f5f9;--muted: #94a3b8;--accent: #3b82f6;--accent-hover: #2563eb;--border: #334155;--radius: 12px;--font-body: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-body);background:var(--bg);color:var(--fg);line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:var(--font-body);cursor:pointer}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--surface);border-right:1px solid var(--border);padding:24px 16px;flex-shrink:0;display:flex;flex-direction:column;gap:8px}.sidebar-brand{font-size:20px;font-weight:700;padding:0 12px 20px;border-bottom:1px solid var(--border);margin-bottom:12px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--muted);font-size:14px;font-weight:500;transition:all .15s;border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:var(--surface-2);color:var(--fg)}.nav-item.active{background:var(--accent);color:#fff}.main-content{flex:1;padding:32px;overflow-y:auto}.page-header{margin-bottom:24px}.page-title{font-size:28px;font-weight:700;margin-bottom:4px}.page-subtitle{color:var(--muted);font-size:15px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.search-bar{display:flex;gap:12px;margin-bottom:24px}.search-input{flex:1;padding:12px 16px;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--fg);font-size:15px;outline:none}.search-input:focus{border-color:var(--accent)}.btn{padding:12px 20px;border-radius:8px;border:none;font-size:14px;font-weight:600;transition:all .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--muted)}.btn-ghost:hover{color:var(--fg)}.table{width:100%;border-collapse:collapse}.table th{text-align:left;padding:12px 16px;font-size:13px;font-weight:600;color:var(--muted);border-bottom:1px solid var(--border)}.table td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--border)}.table tr:hover td{background:var(--surface-2)}.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge-green{background:#166534;color:#86efac}.badge-red{background:#7f1d1d;color:#fca5a5}.badge-blue{background:#1e3a5f;color:#93c5fd}.article-text{font-size:15px;line-height:1.8;white-space:pre-wrap}.empty-state{text-align:center;padding:60px 20px;color:var(--muted)}.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.code-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;cursor:pointer;transition:all .15s}.code-card:hover{border-color:var(--accent);transform:translateY(-2px)}.code-card-title{font-size:16px;font-weight:600;margin-bottom:8px}.code-card-meta{font-size:13px;color:var(--muted)}@keyframes spin{to{transform:translateY(-50%) rotate(360deg)}}@media(max-width:768px){.app-layout{flex-direction:column}.sidebar{width:100%;flex-direction:row;overflow-x:auto}.sidebar-brand{display:none}.main-content{padding:16px}}