:root{--navy:#173b57;--gold:#c79a45;--bg:#f6f7fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--border:#e5e7eb}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
.topbar{background:var(--navy);color:#fff;padding:16px 22px;display:flex;justify-content:space-between;gap:20px;align-items:center}
.brand{font-size:22px;font-weight:700}.sub{font-size:12px;opacity:.8}.topbar nav{display:flex;gap:12px;flex-wrap:wrap}.topbar a{color:#fff;text-decoration:none}
.container{max-width:1180px;margin:24px auto;padding:0 16px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card,form{background:#fff;border:1px solid var(--border);border-radius:10px;padding:18px;box-shadow:0 2px 8px rgba(0,0,0,.03)}
.stat{font-size:28px;font-weight:700;color:var(--navy);margin-top:8px}h1,h2,h3{color:var(--navy)}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.btn,button{background:var(--navy);color:#fff;border:0;border-radius:6px;padding:10px 14px;text-decoration:none;cursor:pointer}
.btn.gold{background:var(--gold);color:#111}.btn.gray{background:#6b7280}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-weight:700;margin:10px 0 6px}input,select,textarea{width:100%;padding:10px;border:1px solid #cfd5dc;border-radius:6px}textarea{min-height:90px}
table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:10px;border:1px solid var(--border);font-size:14px;text-align:left}th{background:#f1f4f8}
.alert{padding:12px;border-radius:6px;margin:12px 0}.success{background:#eaf7ee;color:#176b34}.error{background:#fdecec;color:#8c1d1d}
.footer{text-align:center;padding:24px;color:var(--muted)}.login{max-width:460px;margin:60px auto}.small{font-size:12px;color:var(--muted)}
@media(max-width:850px){.grid{grid-template-columns:1fr 1fr}.row{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}}
@media(max-width:520px){.grid{grid-template-columns:1fr}}