*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f4f6f9;color:#1d2433}
a{text-decoration:none;color:inherit}.top{height:64px;background:#111827;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0}
.brand{font-weight:700;font-size:20px}.layout{display:grid;grid-template-columns:235px 1fr;min-height:calc(100vh - 64px)}
.sidebar{background:#0b2f6b;color:#fff;padding:18px}.sidebar a{display:block;padding:12px 14px;border-radius:8px;margin-bottom:6px}.sidebar a:hover,.sidebar a.active{background:#174a9a}
.main{padding:24px}.card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 10px rgba(0,0,0,.06);margin-bottom:20px}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat{font-size:30px;font-weight:700;margin-top:8px}
table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:11px;border-bottom:1px solid #e5e7eb;text-align:left;vertical-align:top}th{background:#f8fafc}
.btn{display:inline-block;border:0;border-radius:8px;padding:10px 14px;background:#0b2f6b;color:#fff;cursor:pointer}.btn.secondary{background:#64748b}.btn.danger{background:#b91c1c}.toolbar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap}
input,select,textarea{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:8px;background:#fff}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.full{grid-column:1/-1}
label{font-size:13px;font-weight:700;display:block;margin-bottom:6px}.flash{background:#dcfce7;border:1px solid #86efac;padding:12px;border-radius:8px;margin-bottom:14px}
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#081b3a,#0b2f6b)}.login-card{width:min(420px,92vw);background:#fff;padding:30px;border-radius:16px}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#e2e8f0;font-size:12px}.lang a{margin-left:8px}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:flex;overflow:auto;gap:4px}.sidebar a{white-space:nowrap}.grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}}
@media(max-width:560px){.main{padding:14px}.grid{grid-template-columns:1fr}.top{padding:0 14px}table{font-size:13px;display:block;overflow:auto}}