:root{
  --bg:#02070d;--panel:#071521;--panel2:#0a1d2b;--line:#173d56;--line2:#2b6788;
  --text:#eef8ff;--muted:#82a5bc;--cyan:#28caff;--blue:#159dff;--orange:#ff7418;
  --amber:#ffb42d;--green:#55e36d;--red:#ff5151;--steel:#a8bac7;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:radial-gradient(circle at 46% 13%,#0c2031 0,#030a12 54%,#010408 100%);color:var(--text);font-family:"Segoe UI",Inter,Arial,sans-serif}
a{color:inherit;text-decoration:none}

/* ---- App shell (sidebar + top header), shared across pages ---- */
.app{display:grid;grid-template-columns:92px 1fr;min-height:100vh}
.side{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,#071522,#030a11);border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:30}
.logo{height:78px;display:grid;place-items:center;border-bottom:1px solid var(--line);font-weight:900;font-size:14px;text-align:center}
.logo b{display:block;color:var(--cyan);margin-top:5px}
.nav a{height:73px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;color:#a9bfd0;border-left:3px solid transparent;font-size:10px;font-weight:900;letter-spacing:.4px;cursor:pointer}
.nav a:hover,.nav a.active{background:#0a1c2a;color:#fff;border-left-color:var(--cyan)}
.nav i{font-style:normal;font-size:23px}
.grow{flex:1}
.top{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 22px;background:rgba(2,8,14,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.brand{font-size:24px;font-weight:900}
.brand b{color:var(--cyan)}
.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.6px}
.site{padding:12px 30px;border:1px solid var(--line);border-radius:999px;background:#06111b;font-size:17px;font-weight:900;letter-spacing:.6px;justify-self:center;white-space:nowrap}
.site em{font-style:normal;color:var(--green);font-size:10px;margin-left:10px}
.topright{justify-self:end;display:flex;gap:18px;align-items:center}
.clock{text-align:right}
.clock strong{display:block;font-size:17px}
.clock span,.link span{font-size:10px;color:var(--muted)}
.link{padding-left:16px;border-left:1px solid var(--line)}
.link strong{display:block;color:var(--green);font-size:11px;margin-top:4px}
.main{padding:26px;max-width:1400px;margin:0 auto}

/* ---- Panels / cards ---- */
.panel,.card{background:linear-gradient(180deg,rgba(10,27,41,.98),rgba(5,15,24,.98));border:1px solid var(--line);border-radius:13px;box-shadow:0 20px 52px rgba(0,0,0,.35);padding:18px}
.card:hover{border-color:var(--cyan)}
.muted{color:var(--muted)}
.label{font-size:11px;text-transform:uppercase;color:var(--muted);letter-spacing:.9px}
.value{font-size:32px;font-weight:800;margin-top:10px}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.status{display:inline-flex;align-items:center;gap:8px;margin-top:12px}
.dot{width:11px;height:11px;border-radius:50%;background:var(--red);box-shadow:0 0 10px currentColor}
.dot.healthy{background:var(--green);color:var(--green)}
.dot.warning{background:var(--amber);color:var(--amber)}
.dot.critical{background:var(--red);color:var(--red)}

.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.metrics .card{background:#06131e;border:1px solid var(--line);border-radius:10px;padding:16px}
.metric{background:#06131e;border:1px solid var(--line);border-radius:10px;padding:16px}
.metric span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.6px}
.metric strong{display:block;font-size:28px;margin-top:8px;font-weight:800}
.hot{color:var(--orange)}
.cold{color:#4cbdff}

.states{display:grid;gap:8px}
.state{display:flex;align-items:center;gap:10px;background:#06131e;border:1px solid #112f45;border-radius:9px;padding:10px}
.state i{width:9px;height:9px;border-radius:50%;background:#687e8f}
.state.ok i{background:var(--green);box-shadow:0 0 10px rgba(85,227,109,.65)}
.state.warn i{background:var(--amber)}
.state b{display:block;font-size:12px}
.state small{display:block;color:var(--muted);font-size:10px;margin-top:2px}

button,input,select{background:var(--panel2);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:10px;font-family:inherit;font-size:13px}
button{cursor:pointer;font-weight:700;letter-spacing:.3px}
button:hover{border-color:var(--cyan)}
label{font-size:12px;color:var(--muted);display:block}

/* ---- Login ---- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}
.login{width:min(430px,100%)}
.login .brand{font-size:30px;text-align:center}
.login p.muted{text-align:center;margin-top:4px;margin-bottom:22px}
.login input{width:100%;margin-top:8px}
.login button{width:100%;margin-top:20px}

.breadcrumb{color:var(--muted);margin-bottom:18px;font-size:13px}
.breadcrumb a{color:var(--cyan)}

canvas{width:100%;height:280px;background:#091727;border-radius:10px;border:1px solid var(--line)}

.env{padding:5px 9px;border-radius:999px;background:#3a2d0b;color:var(--amber);font-size:11px;text-transform:uppercase}

.view-link{padding:8px 12px;border:1px solid var(--line);border-radius:9px;background:var(--panel2)}

@media(max-width:980px){.app{grid-template-columns:1fr}.side{display:none}.top{height:auto;grid-template-columns:1fr auto;padding:11px;gap:8px}.site{grid-column:1/-1;grid-row:2;text-align:center;margin-top:6px}}
@media(max-width:850px){.grid{grid-template-columns:1fr 1fr}.metrics{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.grid,.metrics{grid-template-columns:1fr}}