:root{
  --bg:#f5f7fa; --card:#ffffff; --ink:#1e293b; --muted:#64748b;
  --border:#e2e8f0; --brand:#0e4d92; --brand-dark:#093a72; --accent:#0ea5e9;
  --danger:#dc2626; --warn:#d97706; --ok:#16a34a;
}
*{box-sizing:border-box;}
body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;}
a{color:var(--brand);text-decoration:none;}
a:hover{text-decoration:underline;}
.layout{display:flex;min-height:100vh;}
.sidebar{width:230px;background:var(--brand-dark);color:#fff;flex-shrink:0;display:flex;flex-direction:column;}
.sidebar .brand{padding:18px 16px;font-weight:700;font-size:15px;border-bottom:1px solid rgba(255,255,255,.15);}
.sidebar .brand small{display:block;font-weight:400;color:#bcd3ee;font-size:11px;margin-top:2px;}
.sidebar nav{flex:1;padding:10px 0;}
.sidebar nav a{display:block;color:#dbe7f5;padding:10px 18px;font-size:13.5px;border-left:3px solid transparent;}
.sidebar nav a:hover{background:rgba(255,255,255,.08);text-decoration:none;}
.sidebar nav a.active{background:rgba(255,255,255,.14);border-left-color:var(--accent);color:#fff;font-weight:600;}
.sidebar .user{padding:14px 16px;border-top:1px solid rgba(255,255,255,.15);font-size:12.5px;color:#cfe0f2;}
.sidebar .user form{margin-top:8px;}
.sidebar .user button{background:none;border:1px solid rgba(255,255,255,.3);color:#fff;padding:4px 10px;border-radius:4px;font-size:12px;cursor:pointer;}
.main{flex:1;padding:22px 28px;max-width:1400px;}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;}
h1{font-size:20px;margin:0 0 4px;}
h2{font-size:16px;margin:22px 0 10px;}
.subtitle{color:var(--muted);font-size:13px;margin:0;}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:18px;}
.grid{display:grid;gap:14px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:1000px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr 1fr;}}
.kpi{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px 16px;}
.kpi .num{font-size:26px;font-weight:700;}
.kpi .label{color:var(--muted);font-size:12.5px;}
table{width:100%;border-collapse:collapse;font-size:13px;}
th,td{padding:8px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;}
th{background:#f1f5f9;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);}
tr:hover td{background:#fafcff;}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:600;color:#fff;white-space:nowrap;}
.pill{display:inline-block;padding:1px 8px;border-radius:6px;font-size:11px;background:#eef2f7;color:var(--muted);margin:1px 3px 1px 0;}
form.inline{display:inline;}
input,select,textarea{font-family:inherit;font-size:13px;padding:7px 9px;border:1px solid var(--border);border-radius:6px;width:100%;background:#fff;}
label{font-size:12px;color:var(--muted);display:block;margin-bottom:3px;margin-top:10px;}
.btn{display:inline-block;background:var(--brand);color:#fff;border:none;padding:8px 16px;border-radius:6px;font-size:13px;cursor:pointer;}
.btn:hover{background:var(--brand-dark);text-decoration:none;color:#fff;}
.btn.secondary{background:#e2e8f0;color:var(--ink);}
.btn.danger{background:var(--danger);}
.btn.small{padding:4px 10px;font-size:12px;}
.filters{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap;}
.filters > div{min-width:150px;}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;}
.cal-day{background:#fff;border:1px solid var(--border);border-radius:8px;min-height:92px;padding:6px;font-size:12px;}
.cal-day .num{font-weight:700;color:var(--muted);font-size:11px;}
.cal-day .ev{display:block;margin-top:4px;padding:2px 5px;border-radius:4px;font-size:10.5px;color:#fff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.cal-day.empty{background:transparent;border:none;}
.cal-dow{font-size:11px;font-weight:700;color:var(--muted);text-align:center;padding:4px 0;}
.tag-ok{color:var(--ok);font-weight:600;}
.tag-warn{color:var(--warn);font-weight:600;}
.tag-danger{color:var(--danger);font-weight:600;}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px;}
.tabs a{padding:9px 14px;font-size:13px;color:var(--muted);border-bottom:2px solid transparent;}
.tabs a.active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600;}
.alert{padding:10px 14px;border-radius:6px;font-size:13px;margin-bottom:14px;}
.alert-warn{background:#fef3c7;color:#92400e;}
.alert-info{background:#e0f2fe;color:#075985;}
.alert-danger{background:#fee2e2;color:#991b1b;}
.small-muted{color:var(--muted);font-size:12px;}