:root{--p:#164a73;--s:#0f766e;--bg:#f4f7fb;--line:#d9e5f0;--text:#0f172a;--muted:#64748b;--danger:#b91c1c;--success:#15803d}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none}.wrap{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
aside{background:linear-gradient(180deg,var(--p),#0b2943);color:#fff;padding:24px}
.logo{width:58px;height:58px;background:#fff;color:var(--p);border-radius:18px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:22px}
nav{margin-top:28px}.nav{display:block;color:#fff;background:rgba(255,255,255,.13);margin:9px 0;padding:14px 16px;border-radius:12px;font-weight:700}
main{padding:24px}.top,.card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 20px rgba(15,23,42,.04)}
.top{padding:18px 22px;margin-bottom:18px;display:flex;justify-content:space-between;align-items:center;gap:12px}.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}.card{padding:18px}.metric{font-size:34px;font-weight:900;margin-top:8px}
.two{display:grid;grid-template-columns:1fr 2fr;gap:18px}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.search{display:grid;grid-template-columns:1.5fr 1fr 1fr auto;gap:10px;align-items:end;margin-bottom:16px}
input,select{width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;margin:6px 0 12px}label{font-weight:700;font-size:13px}
.btn{border:0;border-radius:10px;padding:10px 14px;background:var(--p);color:#fff;font-weight:800;cursor:pointer;display:inline-block}.btn.s{background:var(--s)}.btn.l{background:#eef2f7;color:var(--text)}.btn.d{background:#fee2e2;color:var(--danger)}
table{width:100%;border-collapse:collapse}th,td{padding:11px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:middle}th{color:var(--muted)}
.badge{padding:5px 9px;border-radius:99px;font-size:12px;font-weight:800;background:#dbeafe;color:#1d4ed8}.flash{padding:12px;border-radius:12px;margin-bottom:12px}.success{background:#dcfce7;color:#166534}.error{background:#fee2e2;color:#991b1b}
.login{min-height:100vh;display:flex;align-items:center;justify-content:center}.login .card{width:420px}.actions{display:flex;gap:6px;flex-wrap:wrap}
@media(max-width:900px){.wrap,.grid,.two,.formgrid,.search{grid-template-columns:1fr}aside{position:relative}}