:root{--bg:#0f172a;--side:#111827;--side2:#1f2937;--accent:#2563eb;--txt:#0f172a;--muted:#64748b;--line:#e5e7eb;--ok:#16a34a;--warn:#d97706;--danger:#dc2626}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--txt);background:#f1f5f9}
a{color:var(--accent);text-decoration:none}
/* login */
.auth{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#0f172a,#1e3a8a)}
.card{background:#fff;border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.25);padding:28px;width:360px;max-width:92vw}
.card h1{margin:0 0 4px;font-size:20px}.card p.sub{margin:0 0 18px;color:var(--muted);font-size:13px}
.tabs{display:flex;gap:6px;margin-bottom:16px}.tabs button{flex:1;padding:8px;border:1px solid var(--line);background:#f8fafc;border-radius:8px;cursor:pointer}
.tabs button.active{background:var(--accent);color:#fff;border-color:var(--accent)}
label{display:block;font-size:13px;margin:10px 0 4px;color:#334155}
input,select{width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.btn{width:100%;margin-top:16px;padding:11px;background:var(--accent);color:#fff;border:0;border-radius:8px;font-size:15px;cursor:pointer}
.btn:disabled{opacity:.6;cursor:default}
.msg{margin-top:12px;font-size:13px;padding:8px 10px;border-radius:8px}
.msg.err{background:#fef2f2;color:var(--danger)}.msg.ok{background:#f0fdf4;color:var(--ok)}
.hint{font-size:12px;color:var(--muted);margin-top:6px}
/* layout */
.layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{background:var(--side);color:#cbd5e1;display:flex;flex-direction:column}
.brand{padding:20px 18px;font-weight:700;color:#fff;font-size:18px;border-bottom:1px solid #1f2937}
.brand small{display:block;font-weight:400;color:#64748b;font-size:11px;margin-top:2px}
.nav{padding:10px;flex:1}
.nav a{display:flex;gap:10px;align-items:center;padding:11px 12px;border-radius:8px;color:#cbd5e1;margin-bottom:2px;cursor:pointer}
.nav a:hover{background:var(--side2)}.nav a.active{background:var(--accent);color:#fff}
.side .foot{padding:14px;border-top:1px solid #1f2937;font-size:13px}
.side .foot button{margin-top:8px;width:100%;padding:8px;background:#374151;color:#fff;border:0;border-radius:8px;cursor:pointer}
.main{padding:0}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:14px 24px;display:flex;justify-content:space-between;align-items:center}
.topbar h2{margin:0;font-size:18px}.topbar .who{color:var(--muted);font-size:13px}
.content{padding:24px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:20px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.kpi .l{color:var(--muted);font-size:13px}.kpi .v{font-size:26px;font-weight:700;margin-top:6px}
.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:20px}
.panel h3{margin:0 0 14px;font-size:15px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#eff6ff;color:var(--accent)}
.badge{padding:2px 8px;border-radius:999px;font-size:12px}
.badge.active{background:#f0fdf4;color:var(--ok)}.badge.pending{background:#fffbeb;color:var(--warn)}
.rowform{display:flex;gap:10px;flex-wrap:wrap;align-items:end}.rowform>div{flex:1;min-width:140px}
.rowform .btn{width:auto;margin:0;padding:10px 16px}
@media(max-width:720px){.layout{grid-template-columns:1fr}.side{position:sticky;top:0}}