:root{
  --bg:#070b14;
  --bg-2:#0b1220;
  --surface:#111a2e;
  --surface-2:#16233b;
  --surface-3:#1a2943;
  --line:#263754;
  --line-soft:#334968;
  --text:#eaf2ff;
  --muted:#9bb0d0;
  --primary:#60a5fa;
  --primary-2:#22d3ee;
  --success:#34d399;
  --warn:#fbbf24;
  --danger:#f87171;
  --shadow:0 20px 50px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;color:var(--text);font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:
radial-gradient(1200px 700px at 80% -20%, rgba(96,165,250,.22), transparent 55%),
radial-gradient(900px 600px at -10% 10%, rgba(34,211,238,.14), transparent 45%),
linear-gradient(180deg,var(--bg),var(--bg-2));}
button,input,select,textarea{font:inherit}

.boot,.auth{min-height:100vh;display:grid;place-items:center;padding:1rem}
.boot-card,.auth-card{
  width:100%;max-width:460px;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.01));
  border:1px solid var(--line);border-radius:18px;padding:1.1rem 1.2rem;box-shadow:var(--shadow);
  backdrop-filter:blur(8px);
}
.auth-title{display:flex;justify-content:space-between;align-items:center;gap:.5rem}
.badge{display:inline-block;padding:.24rem .58rem;border-radius:999px;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.5);color:#a5f3fc;font-size:.78rem;font-weight:600}

.field{display:grid;gap:.32rem;margin:.62rem 0}
.field label{font-size:.86rem;color:var(--muted);font-weight:600}
.field input,.field select,.field textarea{
  width:100%;padding:.66rem .75rem;border-radius:12px;border:1px solid var(--line-soft);
  background:linear-gradient(180deg,#0e1729,#0c1423);color:var(--text);
  transition:.2s border-color,.2s transform,.2s box-shadow;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--primary);transform:translateY(-1px);box-shadow:0 0 0 3px rgba(96,165,250,.2)}

.btn{border:none;border-radius:11px;padding:.58rem .86rem;font-weight:700;cursor:pointer;letter-spacing:.1px;transition:.2s transform,.2s filter,.2s box-shadow}
.btn:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn:active{transform:translateY(0)}
.btn{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#052033;box-shadow:0 10px 20px rgba(34,211,238,.18)}
.btn.secondary{background:linear-gradient(135deg,#334155,#475569);color:#e2e8f0;box-shadow:none}
.btn.success{background:linear-gradient(135deg,#10b981,#34d399);color:#03271d}
.btn.warn{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#2b1c04}
.btn.danger{background:linear-gradient(135deg,#ef4444,#f87171);color:#30080b}
.btn:disabled{opacity:.55;cursor:not-allowed;filter:none;transform:none}

.layout{display:grid;grid-template-columns:270px 1fr;min-height:100vh}
.sidebar{
  background:linear-gradient(180deg,#0f1a30,#0d1628);
  border-right:1px solid var(--line);
  padding:1rem .9rem;position:sticky;top:0;height:100vh;overflow:auto
}
.brand{font-size:1.15rem;font-weight:800;letter-spacing:.2px;margin:.2rem 0 1rem;padding:.45rem .55rem;border-radius:12px;background:linear-gradient(135deg,rgba(96,165,250,.18),rgba(34,211,238,.10));border:1px solid rgba(96,165,250,.25)}
.nav-btn{
  display:block;width:100%;text-align:left;padding:.62rem .68rem;margin:.45rem 0;
  border-radius:12px;border:1px solid var(--line);background:linear-gradient(180deg,#111b2f,#0e1729);color:var(--text);cursor:pointer;
  font-weight:600
}
.nav-btn:hover{border-color:#4f6e99;background:linear-gradient(180deg,#16253f,#122038)}
.nav-btn.active{border-color:rgba(34,211,238,.6);background:linear-gradient(135deg,rgba(34,211,238,.15),rgba(96,165,250,.18));color:#bff7ff;box-shadow:inset 0 0 0 1px rgba(34,211,238,.2)}

.main{padding:1rem 1.25rem}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:.75rem;flex-wrap:wrap;margin-bottom:.9rem}
.title{margin:0;font-size:1.44rem;letter-spacing:.2px}
.muted{color:var(--muted);font-size:.9rem}

.metrics{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:.75rem;margin:.85rem 0}
.metric{
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);border-radius:16px;padding:.85rem .9rem;box-shadow:var(--shadow)
}
.metric .k{color:var(--muted);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.metric .v{font-size:1.38rem;font-weight:800;margin-top:.18rem}

.panel{background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--line);border-radius:16px;padding:.9rem;margin:.85rem 0;box-shadow:var(--shadow)}
.panel h3{margin:.1rem 0 .72rem;font-size:1.02rem}
.form-grid{display:grid;grid-template-columns:repeat(4,minmax(130px,1fr));gap:.62rem}

.table-wrap{overflow:auto;margin-top:.65rem;border-radius:14px;border:1px solid var(--line);background:#0f182a}
table{width:100%;min-width:790px;border-collapse:collapse}
th,td{padding:.58rem .5rem;border-bottom:1px solid #23334f;text-align:left;font-size:.91rem}
th{color:#cfe0fb;font-weight:700;background:#12213a;position:sticky;top:0;z-index:1}
tr:hover td{background:rgba(96,165,250,.07)}

.actions{display:flex;gap:.4rem;flex-wrap:wrap;align-items:center}
.actions input{min-width:220px;padding:.56rem .7rem;border-radius:10px;border:1px solid var(--line-soft);background:#0d1728;color:var(--text)}

.section{display:none}
.section.active{display:block}
.kpi{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.list{margin:.2rem 0 0;padding-left:1rem}
.list li{margin:.34rem 0;color:#d8e5fa}
.warn-text{color:#fde68a;font-weight:700}
.success-text{color:#86efac;font-weight:700}

.toast{position:fixed;right:16px;bottom:16px;background:#052f2b;border:1px solid #0f766e;color:#b6ffee;padding:.65rem .8rem;border-radius:12px;z-index:40;display:none;box-shadow:var(--shadow)}

@media (max-width:1120px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto}
  .metrics{grid-template-columns:repeat(2,minmax(130px,1fr))}
  .form-grid{grid-template-columns:repeat(2,minmax(120px,1fr))}
  .kpi{grid-template-columns:1fr}
}