:root{--primary:#2563eb;--secondary:#0f172a;--accent:#22c55e;--bg:#f4f7fb;--card:#fff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--danger:#dc2626;--radius:16px}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}body.dark{--bg:#07111f;--card:#0f1c2e;--text:#e5edf8;--muted:#94a3b8;--border:#23344d}.app{display:grid;grid-template-columns:270px 1fr;min-height:100vh}.sidebar{background:var(--secondary);color:#fff;padding:20px 14px;position:sticky;top:0;height:100vh;overflow:auto}.brand{display:flex;gap:12px;align-items:center;padding:7px 10px 24px;font-weight:800}.logo{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center}.nav a{display:flex;gap:12px;align-items:center;color:#cbd5e1;text-decoration:none;padding:11px 13px;border-radius:11px;margin:4px 0}.nav a:hover,.nav a.active{color:#fff;background:color-mix(in srgb,var(--primary) 65%,transparent)}main{min-width:0}.topbar{height:72px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}.content{padding:26px;max-width:1600px}.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:0 5px 24px #0000000a}.metric{font-size:27px;font-weight:800;margin-top:8px}.muted{color:var(--muted)}h1{font-size:27px;margin:0 0 6px}h2{font-size:18px;margin:0 0 16px}.btn{border:0;background:var(--primary);color:#fff;padding:10px 15px;border-radius:10px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;gap:7px;align-items:center}.btn.secondary{background:var(--card);color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger)}.actions{display:flex;gap:9px;flex-wrap:wrap}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border);white-space:nowrap}th{font-size:12px;text-transform:uppercase;color:var(--muted)}.badge{display:inline-flex;padding:5px 9px;border-radius:999px;background:#dbeafe;color:#1d4ed8;font-size:12px;font-weight:700}.badge.green{background:#dcfce7;color:#15803d}.badge.red{background:#fee2e2;color:#b91c1c}form.grid{align-items:end}label{display:grid;gap:6px;font-size:13px;font-weight:700}input,select,textarea{width:100%;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:10px;padding:10px 12px;font:inherit}textarea{min-height:110px}.flash{padding:12px 15px;border-radius:10px;background:#dcfce7;color:#166534;margin-bottom:16px}.error{background:#fee2e2;color:#991b1b}.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(130deg,var(--secondary),color-mix(in srgb,var(--primary) 45%,#000))}.login .card{width:min(440px,92vw)}.theme-toggle{cursor:pointer;background:transparent;border:1px solid var(--border);color:var(--text);border-radius:10px;padding:8px 10px}.print-only{display:none}@media(max-width:1000px){.app{grid-template-columns:1fr}.sidebar{position:fixed;left:-290px;z-index:10;width:270px;transition:.2s}.sidebar.open{left:0}.grid-4{grid-template-columns:repeat(2,1fr)}.content{padding:18px}}@media(max-width:600px){.grid-4,.grid-2{grid-template-columns:1fr}.topbar{padding:0 15px}.content{padding:14px}.card{padding:15px}}@media print{.sidebar,.topbar,.no-print{display:none!important}.app{display:block}.content{padding:0}.card{box-shadow:none;border:0}.print-only{display:block}}