:root{--bg:#f4f6fb;--surface:#fff;--text:#0f172a;--muted:#64748b;--primary:#2563eb;--primary-hover:#1d4ed8;--border:#e2e8f0;--danger:#dc2626;--radius:12px;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}a{color:var(--primary);text-decoration:none}.shell{grid-template-columns:220px 1fr;min-height:100vh;display:grid}.sidebar{color:#e2e8f0;background:#0f172a;padding:24px 16px}.sidebar h1{margin:0 0 24px;font-size:18px}.sidebar nav{flex-direction:column;gap:8px;display:flex}.sidebar a,.sidebar button.linkish{color:#cbd5e1;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:10px 12px;font-size:14px}.sidebar a.active,.sidebar a:hover,.sidebar button.linkish:hover{color:#fff;background:#ffffff14}.main{padding:24px 32px 48px}.page-title{margin:0 0 20px;font-size:24px}.card-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.stat-card .label{color:var(--muted);font-size:13px}.stat-card .value{margin-top:8px;font-size:28px;font-weight:700}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.toolbar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;display:flex}input,select,textarea{border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:14px}button{cursor:pointer;background:var(--primary);color:#fff;border:none;border-radius:8px;padding:8px 14px;font-size:14px}button:hover{background:var(--primary-hover)}button.secondary{color:var(--primary);border:1px solid var(--primary);background:#fff}button.danger{background:var(--danger)}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:10px 8px}th{color:var(--muted);font-weight:600}.mono{word-break:break-all;font-family:ui-monospace,Consolas,monospace;font-size:12px}.login-page{place-items:center;min-height:100vh;display:grid}.login-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:min(400px,92vw);padding:28px}.login-box h1{margin:0 0 8px}.login-box p{color:var(--muted);margin:0 0 20px}.login-box form{flex-direction:column;gap:12px;display:flex}.error{color:var(--danger);font-size:13px}.modal-backdrop{z-index:20;background:#0f172a73;place-items:center;display:grid;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius);width:min(520px,94vw);max-height:90vh;padding:24px;overflow:auto}.form-grid{gap:12px;display:grid}.form-grid label{color:var(--muted);gap:6px;font-size:13px;display:grid}.codes-reveal{border:1px dashed var(--border);background:#f8fafc;border-radius:8px;margin-top:12px;padding:12px}.hint{color:var(--muted);font-size:12px}.success{color:#15803d;font-size:14px}.site-config-form{gap:16px;display:grid}.site-config-form h3{margin:8px 0 0;font-size:16px}.field-block{color:var(--muted);gap:6px;font-size:13px;display:grid}.field-block input,.field-block textarea{border:1px solid var(--border);width:100%;color:var(--text);border-radius:8px;padding:10px 12px;font-size:14px}.site-sections-editor{gap:12px;display:grid}.site-sections-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.site-section-card{border:1px dashed var(--border);background:#f8fafc;border-radius:10px;padding:16px}button.danger-link{color:var(--danger);cursor:pointer;background:0 0;border:none;padding:0;font-size:13px}button.secondary{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:8px;padding:8px 12px}