:root{--bg:#f7f7f8;--panel:#ffffff;--border:#e5e5e7;--text:#1d1d1f;--text-muted:#6e6e73;--primary:#0066cc;--primary-hover:#0052a3;--success:#008c4a;--warning:#b45309;--danger:#c11226;--radius:8px;--shadow:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5;color:var(--text);background:var(--bg)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:24px;margin:0 0 16px}h1,h2{font-weight:600}h2{font-size:18px;margin:0 0 12px}.container{max-width:1100px;margin:0 auto;padding:24px}.container-narrow{max-width:480px;margin:80px auto;padding:24px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:16px}.row{display:flex;gap:16px;flex-wrap:wrap}.col{flex:1 1;min-width:240px}label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:4px}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);font:inherit;background:white;color:var(--text)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,102,204,.15)}.field{margin-bottom:14px}.btn,button{display:inline-block;padding:10px 18px;border:0;border-radius:var(--radius);background:var(--primary);color:white;font:inherit;font-weight:500;cursor:pointer}.btn:hover,button:hover{background:var(--primary-hover);text-decoration:none}button:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:white;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg)}.btn-danger{background:var(--danger)}.btn-danger:hover{background:#9d0e1f}.error{background:#fee2e2;color:var(--danger)}.error,.success{padding:10px 14px;border-radius:var(--radius);margin-bottom:16px;font-size:14px}.success{background:#dcfce7;color:var(--success)}.muted{color:var(--text-muted)}.small{font-size:13px}.mono{font-family:ui-monospace,SF Mono,Menlo,monospace}table{width:100%;border-collapse:collapse}td,th{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}th{font-weight:600;color:var(--text-muted);font-size:13px}.tag{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:500}.tag-pending{background:#fef3c7;color:var(--warning)}.tag-active{background:#dcfce7;color:var(--success)}.tag-banned{background:#fee2e2;color:var(--danger)}.tag-frozen{background:#f1f5f9;color:var(--text-muted)}nav.topbar{background:var(--panel);border-bottom:1px solid var(--border);padding:12px 24px;display:flex;align-items:center;gap:24px}nav.topbar .brand{font-weight:600}nav.topbar .links{display:flex;gap:16px;flex:1 1}nav.topbar a{color:var(--text)}nav.topbar a:hover{color:var(--primary)}nav.topbar .user{color:var(--text-muted);font-size:13px}.stat{padding:16px}.stat .label{font-size:13px;color:var(--text-muted);margin-bottom:4px}.stat .value{font-size:28px;font-weight:600}.tree-row{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--border)}.tree-row:last-child{border-bottom:0}.tree-depth{font-family:ui-monospace,monospace;color:var(--text-muted);font-size:12px;min-width:30px}.tree-name{flex:1 1}.tree-code{font-family:ui-monospace,monospace;color:var(--text-muted);font-size:13px}