:root{
  --ink:#13263d;--navy:#162b43;--gold:#b48745;--line:#e8edf2;--muted:#6e7b89;
  --bg:#f6f8fb;--card:#fff;--green:#2a8a5c;--red:#c65555;--shadow:0 10px 30px rgba(20,43,67,.08)
}
*{box-sizing:border-box} body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}
a{text-decoration:none;color:inherit}.shell{display:grid;grid-template-columns:270px 1fr;min-height:100vh}
.sidebar{background:#fff;border-right:1px solid var(--line);padding:24px 18px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;align-items:center;gap:12px;margin:4px 6px 30px}.brand img{width:44px;height:44px}
.brand strong{display:block;font-size:18px;letter-spacing:.6px}.brand small{font-size:11px;color:var(--muted);letter-spacing:.4px}
.nav a{display:flex;gap:12px;align-items:center;padding:12px 14px;border-radius:9px;margin:3px 0;color:#35455a;font-size:14px}
.nav a:hover,.nav a.active{background:#eef4f8;color:#102b46;font-weight:700}.nav .section{margin:22px 12px 8px;font-size:10px;color:#9aa6b2;letter-spacing:1.2px;font-weight:700}
.main{padding:34px 42px 50px}.topbar{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:28px}.topbar h1{margin:0;font-size:28px}.topbar p{margin:6px 0 0;color:var(--muted)}
.userchip{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;display:flex;gap:10px;align-items:center}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid2{display:grid;grid-template-columns:1.4fr .9fr;gap:18px;margin-top:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:20px}
.metric .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.7px}.metric .value{font-size:28px;font-weight:700;margin:8px 0 2px}.metric .sub{font-size:12px;color:var(--muted)}
.card h3{font-size:15px;margin:0 0 16px}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}.table th{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.badge{display:inline-block;padding:5px 9px;border-radius:99px;font-size:11px;font-weight:700}.badge.good{background:#e8f6ef;color:#2e7d58}.badge.warn{background:#fff4dc;color:#9a6d19}.badge.muted{background:#eef1f4;color:#637080}
.btn{border:0;border-radius:8px;padding:10px 14px;background:var(--navy);color:#fff;font-weight:700;cursor:pointer}.btn.gold{background:var(--gold)}.btn.light{background:#eef3f7;color:var(--ink)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{margin-bottom:14px}.field label{display:block;font-size:12px;font-weight:700;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid #d7dee7;border-radius:8px;background:#fff}
.notice{border-left:4px solid var(--gold);background:#fffaf1;padding:14px 16px;border-radius:8px;font-size:13px}
.login-bg{min-height:100vh;background:linear-gradient(rgba(8,28,46,.82),rgba(8,28,46,.82)),url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1800&q=80') center/cover;display:grid;place-items:center;padding:30px}
.login-card{width:min(460px,94vw);background:#fff;border-radius:14px;padding:36px 42px;box-shadow:0 20px 60px rgba(0,0,0,.35);text-align:center}
.login-logo{width:78px;margin-bottom:8px}.login-card h1{font-size:22px;margin:6px 0}.login-card .tag{font-size:11px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;margin-bottom:24px}.login-card .field{text-align:left}.login-card .btn{width:100%;padding:12px}.secure{font-size:11px;color:#8a97a4;margin-top:18px}
.error{background:#fff0f0;color:#a83d3d;border:1px solid #f2c8c8;padding:10px;border-radius:8px;margin-bottom:14px;font-size:13px}
@media(max-width:980px){.shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.grid4{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}}
@media(max-width:620px){.main{padding:24px 16px}.grid4{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}}