:root{--primary:#174A7E;--secondary:#007A82;--bg:#F8FAFC;--surface:#fff;--text:#0F172A;--muted:#475569;--outline:#C9D2DC;--success:#16804A;--warning:#9A5800;--error:#C53030}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary)}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}nav{background:var(--primary);color:#fff;padding:20px 16px}nav h1{font-size:18px;margin:0 0 20px}nav a{display:block;color:#fff;text-decoration:none;padding:10px 8px;border-radius:8px;min-height:44px}nav a:hover,nav a[aria-current=page]{background:rgba(255,255,255,.15)}main{padding:28px;max-width:1100px}h2{margin:0 0 16px}.card{background:var(--surface);border:1px solid var(--outline);border-radius:12px;padding:16px;margin-bottom:16px}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;color:var(--muted);font-weight:600}td,th{padding:8px;border-bottom:1px solid var(--outline)}td{vertical-align:top}.btn,button{min-height:40px;padding:0 14px;border-radius:8px;border:1.5px solid var(--primary);background:var(--primary);color:#fff;font-weight:600;cursor:pointer}button.secondary{background:transparent;color:var(--primary)}button.danger{background:var(--error);border-color:var(--error)}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{width:100%;min-height:40px;padding:8px 10px;border:1.5px solid var(--outline);border-radius:8px;font:inherit}label{display:block;font-size:13px;color:var(--muted);font-weight:600;margin:10px 0 4px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:12px;gap:12px}.stat{background:var(--surface);border:1px solid var(--outline);border-radius:12px;padding:16px}.stat b{font-size:28px;display:block;color:var(--primary)}.muted{color:var(--muted)}.error{color:var(--error)}.pill{display:inline-block;padding:2px 8px;border-radius:999px;background:#EEF2F6;font-size:12px;font-weight:600}.navhead{color:rgba(255,255,255,.7);font-size:12px;text-transform:uppercase;letter-spacing:1px;margin:18px 8px 6px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.tabs a{padding:8px 12px;border-radius:999px;border:1.5px solid var(--outline);text-decoration:none;min-height:40px;display:inline-flex;align-items:center}.tabs a[aria-current=page]{background:var(--primary);color:#fff;border-color:var(--primary)}.ok{color:var(--success)}