:root{
  --bg-deep:#0E1339;
  --bg-panel:#171C4C;
  --bg-panel-2:#1E255C;
  --line:#2C3372;
  --cyan:#2FB2E8;
  --cyan-bright:#6FE0FF;
  --amber:#FFB020;
  --green:#34D399;
  --red:#FF6161;
  --text:#F2F4FC;
  --muted:#8B92C4;
  --shadow: 0 20px 50px -20px rgba(0,0,0,.6);
}
*{box-sizing:border-box;}
body{
  margin:0;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(47,178,232,.14), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(47,178,232,.08), transparent 60%),
    var(--bg-deep);
  color:var(--text);
  font-family:'Inter',sans-serif;
  min-height:100vh;
}
a{color:inherit;}
h1,h2,h3,.display{font-family:'Rajdhani',sans-serif; letter-spacing:.02em;}
.mono{font-family:'JetBrains Mono',monospace;}

.layout{display:grid; grid-template-columns:84px 1fr; min-height:100vh;}

/* SIDEBAR */
.sidebar{
  background:linear-gradient(180deg,#0B0F30,#0B0F30 85%,#0A0D28);
  border-right:1px solid var(--line);
  display:flex; flex-direction:column; align-items:center;
  padding:22px 0 16px; position:relative;
}
.logo-chip{
  width:44px; height:44px; border-radius:10px;
  background:linear-gradient(145deg,var(--cyan),#1D6FA8);
  display:flex; align-items:center; justify-content:center;
  font-family:'Rajdhani',sans-serif; font-weight:700; font-size:13px; color:#0B0F30;
  box-shadow:0 0 0 1px rgba(255,255,255,.15) inset, 0 8px 20px -6px rgba(47,178,232,.7);
  margin-bottom:28px; text-decoration:none;
}
.nav-shaft{display:flex; flex-direction:column; gap:14px; align-items:center; position:relative; padding-top:6px;}
.nav-shaft::before{content:""; position:absolute; left:50%; top:-4px; bottom:-4px; width:2px; background:var(--line); transform:translateX(-50%); z-index:0;}
.nav-btn{
  width:46px; height:46px; border-radius:50%; background:var(--bg-panel);
  border:1.5px solid var(--line); display:flex; align-items:center; justify-content:center;
  color:var(--muted); font-size:18px; cursor:pointer; text-decoration:none;
  position:relative; z-index:1; transition:all .2s ease;
}
.nav-btn:hover{border-color:var(--cyan); color:var(--cyan-bright); transform:translateY(-1px);}
.install-btn{
  width:36px; height:36px; border-radius:50%; border:1.5px dashed var(--cyan);
  background:rgba(47,178,232,.1); color:var(--cyan-bright); font-size:15px; cursor:pointer;
  margin-bottom:18px; align-items:center; justify-content:center; display:none;
  animation:pulse-soft 2.4s infinite;
}
@keyframes pulse-soft{0%,100%{box-shadow:0 0 0 0 rgba(47,178,232,.35);} 50%{box-shadow:0 0 0 6px rgba(47,178,232,0);}}
.nav-btn.active{
  background:radial-gradient(circle at 35% 30%, var(--cyan-bright), var(--cyan) 60%, #146089);
  border-color:var(--cyan-bright); color:#08152A;
  box-shadow:0 0 0 4px rgba(47,178,232,.18), 0 0 18px rgba(111,224,255,.6);
}

.main{padding:26px 34px 50px;}
.topbar{display:flex; align-items:center; justify-content:space-between; margin-bottom:26px; flex-wrap:wrap; gap:12px;}
.topbar h1{font-size:22px; margin:0; font-weight:700;}
.topbar .sub{color:var(--muted); font-size:13px; margin-top:2px;}
.top-right{display:flex; align-items:center; gap:16px;}
.avatar{width:38px; height:38px; border-radius:10px; background:linear-gradient(145deg,#3A4290,#1E255C); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:13px;}
.logout-link{font-size:12px; color:var(--muted); text-decoration:none; border:1px solid var(--line); padding:8px 12px; border-radius:8px;}
.logout-link:hover{border-color:var(--red); color:var(--red);}

/* KPI */
.kpi-row{display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:22px;}
.kpi{background:linear-gradient(160deg,var(--bg-panel),var(--bg-panel-2)); border:1px solid var(--line); border-radius:14px; padding:18px 20px; box-shadow:var(--shadow);}
.kpi .lbl{font-size:11px; color:var(--muted); text-transform:uppercase; letter-spacing:.1em; margin-bottom:8px;}
.kpi .val{font-family:'JetBrains Mono',monospace; font-size:32px; font-weight:700; color:var(--cyan-bright); text-shadow:0 0 18px rgba(111,224,255,.45);}
.kpi .val.amber{color:var(--amber);}
.kpi .val.green{color:var(--green);}
.kpi .delta{font-size:11px; color:var(--muted); margin-top:6px;}

.grid-2{display:grid; grid-template-columns:1.15fr 1fr; gap:18px; margin-bottom:18px;}
.grid-3{display:grid; grid-template-columns:1fr 1fr 1fr; gap:18px;}
@media (max-width:1000px){ .grid-2,.grid-3,.kpi-row{grid-template-columns:1fr;} .layout{grid-template-columns:1fr;} .sidebar{flex-direction:row; overflow-x:auto;} }

.card{background:linear-gradient(160deg,var(--bg-panel),var(--bg-panel-2)); border:1px solid var(--line); border-radius:14px; padding:20px; box-shadow:var(--shadow); margin-bottom:18px;}
.card h3{margin:0 0 4px; font-size:15px; font-weight:700;}
.card .cap{color:var(--muted); font-size:12px; margin-bottom:14px;}

.status-light{width:9px; height:9px; border-radius:50%; display:inline-block; margin-right:8px; vertical-align:middle;}
.status-light.ok{background:var(--green); box-shadow:0 0 8px var(--green);}
.status-light.warn{background:var(--amber); box-shadow:0 0 8px var(--amber);}
.status-light.bad{background:var(--red); box-shadow:0 0 8px var(--red);}

.tag{font-size:10px; padding:3px 8px; border-radius:20px; font-weight:600; letter-spacing:.03em;}
.tag.bad{background:rgba(255,97,97,.15); color:var(--red);}
.tag.warn{background:rgba(255,176,32,.15); color:var(--amber);}
.tag.ok{background:rgba(52,211,153,.15); color:var(--green);}

/* TABLE */
table{width:100%; border-collapse:collapse; font-size:13px;}
th{text-align:left; color:var(--muted); font-weight:600; font-size:11px; text-transform:uppercase; letter-spacing:.06em; padding:10px 12px; border-bottom:1px solid var(--line);}
td{padding:11px 12px; border-bottom:1px dashed var(--line);}
tr:last-child td{border-bottom:none;}
table a{color:var(--cyan-bright); text-decoration:none; font-size:12px;}

/* FORM */
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
.form-grid.full, .form-field.full{grid-column:1/-1;}
.form-field label{display:block; font-size:12px; color:var(--muted); margin-bottom:6px;}
.form-field input, .form-field select, .form-field textarea{
  width:100%; background:var(--bg-deep); border:1px solid var(--line); border-radius:8px;
  padding:10px 12px; color:var(--text); font-family:'Inter'; font-size:13px;
}
.form-field textarea{min-height:80px; resize:vertical;}
.btn{
  display:inline-block; background:linear-gradient(145deg,var(--cyan-bright),var(--cyan));
  color:#08152A; font-weight:700; border:none; padding:11px 20px; border-radius:9px;
  cursor:pointer; font-size:13px; text-decoration:none; margin-top:14px;
}
.btn:hover{filter:brightness(1.08);}
.btn.secondary{background:var(--bg-panel-2); color:var(--text); border:1px solid var(--line);}
.alert{padding:12px 16px; border-radius:10px; font-size:13px; margin-bottom:16px;}
.alert.ok{background:rgba(52,211,153,.12); border:1px solid var(--green); color:var(--green);}
.alert.error{background:rgba(255,97,97,.12); border:1px solid var(--red); color:var(--red);}

/* LOGIN PAGE */
.login-wrap{min-height:100vh; display:flex; align-items:center; justify-content:center;}
.login-card{
  width:360px; background:linear-gradient(160deg,var(--bg-panel),var(--bg-panel-2));
  border:1px solid var(--line); border-radius:16px; padding:34px 30px; box-shadow:var(--shadow);
}
.login-card .logo-chip{margin:0 auto 18px;}
.login-card h1{text-align:center; font-size:20px; margin-bottom:4px;}
.login-card .sub{text-align:center; color:var(--muted); font-size:12px; margin-bottom:22px;}
.login-card .btn{width:100%; text-align:center;}