:root{
  --bg:#0b1220;
  --card:#111b2f;
  --text:#e6ecff;
  --muted:#9fb0e8;
  --line:#26385f;
  --accent:#7aa2ff;
  --accent2:#4ce1b6;
}
*{box-sizing:border-box}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:linear-gradient(180deg,#0b1220,#070b14);color:var(--text)}
a{color:var(--accent);text-decoration:none}
.layout{display:flex;min-height:100vh}
.sidebar{width:260px;flex:0 0 260px;border-right:1px solid var(--line);background:rgba(7,11,20,.55);backdrop-filter:blur(12px);padding:14px 12px;position:sticky;top:0;align-self:flex-start;max-height:100vh;overflow:auto}
.sidebar .brand{font-weight:800;letter-spacing:.4px;margin:4px 6px 12px 6px}
.nav-section{margin:10px 0}
.nav-title{color:var(--muted);font-size:12px;margin:8px 6px;display:flex;align-items:center;gap:8px;user-select:none}
.nav-caret{opacity:.75}
.nav-links{display:flex;flex-direction:column;gap:4px}
.nav-links a{color:var(--muted);padding:8px 10px;border-radius:10px;border:1px solid transparent}
.nav-links a:hover{color:var(--text);border-color:rgba(122,162,255,.25);background:rgba(122,162,255,.08)}
.nav-links a.active{color:var(--text);border-color:rgba(122,162,255,.55);background:rgba(122,162,255,.12)}
.main{padding:18px 16px;max-width:1320px;margin:0 auto;flex:1}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.card{background:linear-gradient(180deg,rgba(17,27,47,.95),rgba(17,27,47,.75));border:1px solid var(--line);border-radius:14px;padding:14px}
.card h3{margin:0 0 8px 0;font-size:14px;color:var(--muted);font-weight:600}
.page-header{background:linear-gradient(180deg,rgba(17,27,47,.70),rgba(17,27,47,.35));border:1px solid rgba(38,56,95,.75);border-radius:16px;padding:14px 14px 12px 14px}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.page-title{font-size:18px;font-weight:800;letter-spacing:.2px}
.page-subtitle{margin-top:4px;color:var(--muted);font-size:12px}
.page-meta{margin-top:8px;color:var(--muted);font-size:12px}
.page-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-end}
.page-actions a,.page-actions button{padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:rgba(122,162,255,.12);color:var(--text)}
.page-actions a:hover,.page-actions button:hover{border-color:var(--accent);background:rgba(122,162,255,.2)}
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.kpi{background:linear-gradient(180deg,rgba(17,27,47,.92),rgba(17,27,47,.65));border:1px solid var(--line);border-radius:14px;padding:12px}
.kpi .k{color:var(--muted);font-size:12px}
.kpi .v{margin-top:6px;font-size:18px;font-weight:800}
.kpi .h{margin-top:6px;color:var(--muted);font-size:12px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tab{border:1px solid var(--line);border-radius:999px;padding:6px 10px;font-size:12px;color:var(--muted);background:rgba(7,11,20,.35)}
.tab.active{color:var(--text);border-color:rgba(122,162,255,.55);background:rgba(122,162,255,.14)}
.metric{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:6px 0}
.metric .label{color:var(--muted);font-size:12px}
.metric .value{font-size:16px;font-weight:700}
.pill{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:2px 8px;font-size:12px;color:var(--muted)}
.row{display:flex;gap:12px;flex-wrap:wrap}
table{width:100%;border-collapse:collapse}
th,td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;font-size:13px}
th{color:var(--muted);font-weight:600}
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
input,select,textarea{width:100%;padding:10px;border-radius:10px;border:1px solid var(--line);background:rgba(7,11,20,.8);color:var(--text)}
input::placeholder,textarea::placeholder{color:rgba(159,176,232,.7)}
button{padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:rgba(122,162,255,.12);color:var(--text);cursor:pointer}
button:hover{border-color:var(--accent);background:rgba(122,162,255,.2)}
.muted{color:var(--muted);font-size:12px}

@media (max-width: 980px){
  .layout{flex-direction:column}
  .sidebar{position:relative;width:auto;flex:0 0 auto;max-height:none}
  .main{max-width:1100px}
}