:root{--admin-bg:#0f172a;--admin-panel:#111827;--admin-surface:#ffffff;--admin-muted:#64748b;--admin-line:#e2e8f0;--admin-accent:#2563eb;--admin-text:#0f172a}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#f1f5f9;color:var(--admin-text)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.admin-shell{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.admin-sidebar{background:var(--admin-bg);color:#fff;padding:24px 16px}.admin-brand{font-weight:700;letter-spacing:.04em;margin-bottom:28px}.admin-nav a{display:block;padding:10px 12px;border-radius:8px;color:#cbd5e1;margin-bottom:6px}.admin-nav a.active,.admin-nav a:hover{background:#1e293b;color:#fff}.admin-main{min-width:0}.admin-header{background:var(--admin-surface);border-bottom:1px solid var(--admin-line);padding:16px 24px;display:flex;justify-content:space-between;align-items:center}.admin-content{padding:24px}.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px;gap:16px}.admin-card{background:var(--admin-surface);border:1px solid var(--admin-line);border-radius:12px;padding:18px}.admin-card h3{margin:0 0 6px;font-size:14px;color:var(--admin-muted);font-weight:600}.admin-card p{margin:0;font-size:28px;font-weight:700}.admin-table{width:100%;border-collapse:collapse}.admin-table td,.admin-table th{text-align:left;padding:12px;border-bottom:1px solid var(--admin-line)}.admin-table th{color:var(--admin-muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.admin-login{min-height:100vh;display:grid;place-items:center;background:#0f172a}.admin-login form{width:min(420px,calc(100% - 32px));background:#fff;padding:28px;border-radius:16px}.admin-login label{display:block;font-size:13px;margin:12px 0 6px}.admin-login input{width:100%;padding:10px 12px;border:1px solid var(--admin-line);border-radius:8px}.admin-btn{margin-top:16px;width:100%;border:0;background:var(--admin-accent);color:#fff;padding:11px 14px;border-radius:8px;cursor:pointer}.admin-error{color:#b91c1c;font-size:13px}.admin-muted{color:var(--admin-muted)}@media (max-width:800px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{display:flex;gap:12px;align-items:center;overflow-x:auto}.admin-brand{margin:0}.admin-nav{display:flex;gap:8px}}