:root{
  --nav:#0b3a61;
  --nav2:#072a46;
  --accent:#f2a318;
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#102a43;
  --muted:#7b8794;
  --ok:#1f9d55;
  --warn:#f0b429;
  --danger:#d64545;
  --radius:14px;
  --shadow:0 10px 30px rgba(16,42,67,.10);
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.container{display:flex;min-height:100vh}
.sidebar{
  width:260px;background:linear-gradient(180deg,var(--nav),var(--nav2));
  color:#fff;padding:18px 14px;position:sticky;top:0;height:100vh;
}
.brand{display:flex;align-items:center;gap:10px;padding:8px 10px;margin-bottom:16px}
.brand .logo{
  width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;font-weight:800
}
.brand .title{line-height:1.1}
.brand .title b{font-size:20px;letter-spacing:.5px}
.brand .title span{font-size:12px;opacity:.8}
.nav{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.nav a{
  padding:10px 12px;border-radius:12px;display:flex;gap:10px;align-items:center;
  background:rgba(255,255,255,.06);transition:.15s;
}
.nav a:hover{background:rgba(255,255,255,.12)}
.nav a.active{background:#2d7ff9}
.nav .group{margin-top:10px;font-size:12px;opacity:.85;padding:0 10px}
.sidebar .lang{margin-top:auto;padding:10px;color:rgba(255,255,255,.85);font-size:12px}

.main{flex:1;display:flex;flex-direction:column}
.topbar{
  height:64px;background:#fff;display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;border-bottom:1px solid rgba(0,0,0,.06);
}
.userbox{display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:#e6effa;display:flex;align-items:center;justify-content:center;font-weight:700;color:#2d7ff9}
.btn{
  border:0;border-radius:12px;padding:10px 12px;background:#0b3a61;color:#fff;
  cursor:pointer;font-weight:600;display:inline-flex;gap:8px;align-items:center;
}
.btn.secondary{background:#eef2f7;color:#0b3a61}
.btn.green{background:var(--ok)}
.btn.orange{background:#f59f00}
.btn.red{background:var(--danger)}
.btn:disabled{opacity:.5;cursor:not-allowed}

.content{padding:18px;max-width:1200px;width:100%}
.h1{font-size:26px;margin:6px 0 12px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:16px;border:1px solid rgba(0,0,0,.04)
}
.stat{display:flex;align-items:center;justify-content:space-between}
.stat .num{font-size:30px;font-weight:800}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#eef2f7;color:#334e68;font-size:12px;font-weight:700}

.table{width:100%;border-collapse:separate;border-spacing:0 10px}
.table th{font-size:12px;text-align:left;color:var(--muted);font-weight:800;padding:0 10px}
.table td{background:#fff;padding:12px 10px;border-top:1px solid rgba(0,0,0,.05);border-bottom:1px solid rgba(0,0,0,.05)}
.table tr td:first-child{border-left:1px solid rgba(0,0,0,.05);border-top-left-radius:12px;border-bottom-left-radius:12px}
.table tr td:last-child{border-right:1px solid rgba(0,0,0,.05);border-top-right-radius:12px;border-bottom-right-radius:12px}

.input, select, textarea{
  width:100%;padding:10px 12px;border-radius:12px;border:1px solid rgba(0,0,0,.12);
  outline:none;background:#fff
}
.input:focus, select:focus, textarea:focus{border-color:#2d7ff9;box-shadow:0 0 0 3px rgba(45,127,249,.15)}
.row{display:grid;grid-template-columns:repeat(12,1fr);gap:12px}
.col-6{grid-column:span 6}
.col-4{grid-column:span 4}
.col-3{grid-column:span 3}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

.alert{padding:12px 14px;border-radius:14px;margin:10px 0}
.alert.ok{background:#e7f8ef;border:1px solid rgba(31,157,85,.25)}
.alert.err{background:#ffe9e9;border:1px solid rgba(214,69,69,.25)}
.alert.warn{background:#fff4e1;border:1px solid rgba(242,163,24,.25)}

.auth-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px;background:
  radial-gradient(1200px 500px at 20% 0%, rgba(45,127,249,.18), transparent 60%),
  radial-gradient(900px 500px at 80% 10%, rgba(242,163,24,.18), transparent 55%),
  linear-gradient(180deg,#f7fbff,#f5f7fb);
}
.auth-card{width:min(440px,100%);padding:20px 20px 16px}
.auth-title{font-size:24px;font-weight:900;margin:2px 0 6px}
.auth-sub{color:var(--muted);margin:0 0 16px}
.small{font-size:12px;color:var(--muted)}
hr{border:0;border-top:1px solid rgba(0,0,0,.08);margin:14px 0}
@media(max-width:960px){
  .sidebar{display:none}
  .content{padding:14px}
  .col-6,.col-4,.col-3,.col-8{grid-column:span 12}
}