:root {
  --navy: #0a1f45; --navy2: #0d2b5e; --cyan: #00aedb; --ink: #0a1120;
  --card: #122a53; --line: #1f3a66; --dim: #9fb3d4; --bg: #081530;
  --ok: #1f9d57; --err: #e2574c;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", system-ui, Arial, sans-serif; background: var(--bg); color: #eef3fb; }
a { color: var(--cyan); text-decoration: none; }
.mono { font-family: Consolas, monospace; }
.small { font-size: 12px; }
.muted { color: var(--dim); }

.topbar { display: flex; align-items: center; gap: 22px; background: var(--navy); padding: 12px 22px; border-bottom: 1px solid var(--line); }
.brand { font-weight: 800; font-size: 20px; color: #fff; letter-spacing: .5px; }
.brand span { color: var(--cyan); }
.topbar nav a { color: #cfe0f5; margin-right: 6px; font-weight: 600; }
.topbar .spacer { flex: 1; }
.who { color: var(--dim); }
.logout { color: #cfe0f5; }
main { max-width: 1100px; margin: 0 auto; padding: 24px; }

.head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 18px; }
h1 { font-size: 24px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 12px; color: var(--cyan); text-transform: uppercase; letter-spacing: .5px; }
.kpis { display: flex; gap: 12px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px; color: var(--dim); }
.kpi b { color: #fff; font-size: 16px; }

.grid { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 10px; overflow: hidden; }
.grid th { text-align: left; background: var(--navy2); padding: 10px 12px; font-size: 12px; color: var(--dim); text-transform: uppercase; }
.grid td { padding: 10px 12px; border-top: 1px solid var(--line); }
.grid tbody tr { cursor: pointer; }
.grid tbody tr:hover { background: #15305e; }

.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; vertical-align: middle; }
.dot.on { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.dot.off { background: #51607c; }

.tag { font-size: 11px; padding: 2px 8px; border-radius: 10px; background: #2a3f66; color: #cfe0f5; }
.tag.ok { background: var(--ok); color: #fff; }

.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 16px; }
dl { display: grid; grid-template-columns: 110px 1fr; gap: 6px 10px; margin: 0; }
dt { color: var(--dim); }

form label { display: block; margin: 10px 0 4px; color: var(--dim); font-size: 13px; }
input, select, button { font: inherit; }
input[type=text], input:not([type]), input[type=password], select {
  width: 100%; padding: 9px 11px; background: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; color: #fff; }
input[type=file] { color: var(--dim); }
.switch { display: flex; align-items: center; gap: 8px; color: #fff; }
.switch input { width: auto; }
button { background: #24406e; color: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 9px 16px; cursor: pointer; margin-top: 12px; }
button.primary { background: var(--cyan); border-color: var(--cyan); color: #04223a; font-weight: 700; }
button:hover { filter: brightness(1.1); }
.inline { display: flex; gap: 8px; align-items: flex-end; }
.inline input { margin: 0; }
.inline button { margin: 0; }
.maint { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.maint select, .maint input { width: auto; }
.mini { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 13px; }
.mini th, .mini td { text-align: left; padding: 6px 8px; border-top: 1px solid var(--line); color: var(--dim); }

.back { display: inline-block; margin-bottom: 10px; color: var(--dim); }
.empty { background: var(--card); border: 1px dashed var(--line); border-radius: 12px; padding: 40px; text-align: center; color: var(--dim); }

.login { max-width: 360px; margin: 10vh auto; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 36px; text-align: center; }
.brand-big { font-size: 34px; font-weight: 800; color: #fff; }
.brand-big span { color: var(--cyan); }
.login .sub { color: var(--dim); margin: 4px 0 24px; }
.login input { margin-bottom: 12px; }
.login button { width: 100%; background: var(--cyan); color: #04223a; font-weight: 700; border: 0; }
.err { background: #3a1513; color: #ffb3ad; padding: 10px; border-radius: 8px; margin-bottom: 14px; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } }