:root {
  --bg: #050912;
  --bg2: #0a1220;
  --panel: rgba(13, 22, 35, .92);
  --panel2: rgba(17, 29, 46, .86);
  --line: rgba(136, 160, 190, .16);
  --line2: rgba(136, 160, 190, .28);
  --text: #edf4ff;
  --muted: #8ca1ba;
  --soft: #5f738d;
  --blue: #4e9bff;
  --cyan: #31c7df;
  --green: #24c47a;
  --amber: #ffb342;
  --red: #ff5c6c;
  --radius: 22px;
  --mono: "SF Mono", "Cascadia Mono", "JetBrains Mono", monospace;
  --sans: "Aptos", "DIN Alternate", "Segoe UI Variable", sans-serif;
}
[data-theme="light"] {
  --bg: #f3f7fb;
  --bg2: #ffffff;
  --panel: rgba(255, 255, 255, .96);
  --panel2: rgba(247, 250, 253, .96);
  --line: rgba(20, 38, 62, .12);
  --line2: rgba(20, 38, 62, .22);
  --text: #102033;
  --muted: #5c718a;
  --soft: #8191a3;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
  overflow: hidden;
  color: var(--text);
  font-family: var(--sans);
  background:
    radial-gradient(circle at 12% 8%, rgba(78,155,255,.18), transparent 28rem),
    radial-gradient(circle at 88% 0%, rgba(36,196,122,.10), transparent 24rem),
    linear-gradient(145deg, var(--bg), var(--bg2));
}
button { font: inherit; }
.app-shell { display: flex; gap: 18px; height: 100vh; padding: 18px; }
.rail, .main-card, .card, .kpi {
  border: 1px solid var(--line);
  background: linear-gradient(155deg, var(--panel), rgba(9, 16, 27, .72));
  box-shadow: 0 26px 80px rgba(0,0,0,.36), inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter: blur(22px);
}
.rail { width: 280px; flex: 0 0 280px; border-radius: 28px; padding: 18px; display: flex; flex-direction: column; min-height: 0; }
.brand-block { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.mark { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px; background: linear-gradient(135deg, var(--blue), #25527f); font-weight: 900; letter-spacing: -.08em; }
.brand-block strong { display: block; font-size: 1rem; }
.brand-block span { display: block; margin-top: 3px; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .16em; }
.nav-list { display: grid; gap: 7px; margin-top: 18px; }
.nav-item { width: 100%; border: 1px solid transparent; border-radius: 15px; padding: 12px 13px; color: var(--muted); background: transparent; text-align: left; cursor: pointer; font-weight: 750; }
.nav-item:hover { color: var(--text); border-color: var(--line); background: rgba(255,255,255,.04); }
.nav-item.active { color: var(--text); border-color: rgba(78,155,255,.35); background: linear-gradient(135deg, rgba(78,155,255,.18), rgba(49,199,223,.07)); }
.rail-foot { margin-top: auto; display: grid; gap: 8px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); }
.link-state { display: flex; align-items: center; gap: 9px; font-weight: 800; color: var(--text); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 14px currentColor; }
.dot.ok { color: var(--green); } .dot.warn { color: var(--amber); } .dot.bad { color: var(--red); }
.main-card { min-width: 0; flex: 1; border-radius: 30px; overflow: hidden; display: flex; flex-direction: column; }
.topbar { min-height: 84px; padding: 18px 24px; display: flex; align-items: center; justify-content: space-between; gap: 14px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.025); }
.menu-toggle { display: none; }
.page-title { font-size: 1.18rem; font-weight: 900; letter-spacing: -.035em; }
.page-sub { margin-top: 4px; color: var(--muted); font-size: .84rem; }
.top-actions { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.status-pill, .badge { display: inline-flex; align-items: center; gap: 7px; min-height: 30px; padding: 0 11px; border-radius: 999px; border: 1px solid var(--line2); color: var(--muted); background: rgba(255,255,255,.04); font-size: .76rem; font-weight: 850; }
.button-pill { cursor: pointer; color: var(--text); text-decoration: none; }
.badge.good { color: var(--green); border-color: rgba(36,196,122,.28); background: rgba(36,196,122,.08); }
.badge.warn { color: var(--amber); border-color: rgba(255,179,66,.28); background: rgba(255,179,66,.08); }
.badge.bad { color: var(--red); border-color: rgba(255,92,108,.28); background: rgba(255,92,108,.08); }
.content { flex: 1; min-height: 0; overflow: auto; padding: 18px; }
.page { display: none; gap: 16px; }
.page.active { display: grid; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
.kpi { min-height: 145px; border-radius: var(--radius); padding: 20px; }
.kpi.highlight { border-color: rgba(36,196,122,.32); background: linear-gradient(145deg, rgba(36,196,122,.10), rgba(255,255,255,.025)); }
.kpi span, .kv-grid span, .fault-grid span, th, .meter-row span { color: var(--soft); text-transform: uppercase; letter-spacing: .12em; font-size: .68rem; font-weight: 850; }
.kpi strong { display: block; margin-top: 14px; font-family: var(--mono); font-size: clamp(2rem, 4vw, 4rem); line-height: .95; }
.kpi small { display: block; margin-top: 8px; color: var(--muted); }
.grid-2 { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px; }
.card { border-radius: var(--radius); overflow: hidden; }
.card.full { min-height: calc(100vh - 140px); }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
h2 { margin: 0; font-size: 1rem; letter-spacing: -.02em; }
p { margin: 4px 0 0; color: var(--muted); font-size: .8rem; }
.meter-row { display: grid; grid-template-columns: 92px minmax(0,1fr) 90px; gap: 14px; align-items: center; padding: 16px 20px 0; }
.meter { height: 12px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255,255,255,.04); overflow: hidden; }
.meter i { display: block; width: 0%; height: 100%; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: width .2s ease; }
.meter-row strong { text-align: right; font-family: var(--mono); }
.kv-grid, .fault-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; padding: 18px 20px 20px; }
.kv-grid.tall { grid-template-columns: 1fr; }
.kv-grid div, .fault-grid div { min-height: 56px; display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 12px 13px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.032); }
.kv-grid strong, .fault-grid strong { font-family: var(--mono); font-size: .95rem; }
.dashboard-footer { min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 18px; border-top: 1px solid var(--line); background: rgba(255,255,255,.018); color: var(--muted); font-size: .72rem; }
.dashboard-footer div { min-width: 0; display: flex; align-items: center; gap: 8px; }
.dashboard-footer span { color: var(--soft); text-transform: uppercase; letter-spacing: .13em; font-weight: 900; white-space: nowrap; }
.dashboard-footer strong { color: var(--text); font-size: .74rem; font-weight: 800; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table-wrap { overflow: auto; padding: 0 20px 18px; }
.table-wrap.small { max-height: 430px; }
table { width: 100%; border-collapse: collapse; min-width: 920px; }
th { padding: 14px 10px; text-align: left; border-bottom: 1px solid var(--line); }
td { padding: 14px 10px; border-bottom: 1px solid rgba(136,160,190,.10); color: var(--text); font-size: .88rem; }
td.mono, .mono { font-family: var(--mono); color: var(--text); }
.terminal-stack { max-width: 360px; white-space: pre-line; line-height: 1.45; }
.empty-row td, .empty-block { color: var(--muted); text-align: center; padding: 42px 20px; }
.empty-block { min-height: 220px; display: grid; place-items: center; line-height: 1.6; }
@media (max-width: 1180px) { .app-shell { padding: 12px; } .rail { position: fixed; inset: 12px auto 12px 12px; z-index: 10; transform: translateX(-112%); transition: transform .18s ease; } body.nav-open .rail { transform: translateX(0); } .menu-toggle { display: inline-flex; border: 1px solid var(--line); background: rgba(255,255,255,.04); color: var(--text); border-radius: 12px; padding: 10px 12px; } .kpi-grid, .grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 720px) { body { overflow: auto; } .app-shell { height: auto; min-height: 100vh; } .main-card { min-height: calc(100vh - 24px); } .topbar { align-items: flex-start; } .top-actions { width: 100%; } .kpi-grid, .grid-2, .kv-grid, .fault-grid { grid-template-columns: 1fr; } .card.full { min-height: 0; } .dashboard-footer { align-items: flex-start; flex-direction: column; } .dashboard-footer div { width: 100%; } .dashboard-footer strong { white-space: normal; overflow-wrap: anywhere; } }