:root {
  color-scheme: dark;
  --bg: #07100e;
  --panel: #0c1714;
  --panel-2: #101e1a;
  --line: #21342e;
  --text: #eef8f3;
  --muted: #8da69c;
  --green: #5df2a9;
  --amber: #ffc857;
  --red: #ff6577;
  --blue: #71b7ff;
}
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at 80% 0%, #15372c 0, transparent 28rem), var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, sans-serif; min-height: 100vh; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-shell[hidden] { display: none; }
.login-card { width: min(420px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 30px; box-shadow: 0 30px 80px rgba(0,0,0,.35); }
.login-card h2 { margin-bottom: 24px; }
.login-card label { display: grid; gap: 8px; margin-top: 15px; color: var(--muted); font-size: .75rem; letter-spacing: .06em; }
.login-card input { width: 100%; border: 1px solid var(--line); background: #07100e; color: var(--text); border-radius: 9px; padding: 13px; font: inherit; }
.login-card button { width: 100%; margin-top: 20px; }
.login-error { color: var(--red); min-height: 1.2em; font-size: .78rem; margin-top: 12px; }
.topbar, main { width: min(1440px, calc(100% - 48px)); margin-inline: auto; }
.topbar { display: flex; justify-content: space-between; align-items: end; padding: 36px 0 24px; border-bottom: 1px solid var(--line); }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(2rem, 4vw, 4.2rem); letter-spacing: -.06em; line-height: .9; }
h2 { font-size: 1.55rem; letter-spacing: -.03em; }
.eyebrow { color: var(--green); font-size: .69rem; letter-spacing: .17em; font-weight: 800; margin-bottom: 10px; }
.top-actions { display: flex; align-items: center; gap: 18px; }
.mode { padding: 8px 12px; border: 1px solid var(--green); color: var(--green); border-radius: 999px; font-size: .7rem; font-weight: 800; letter-spacing: .1em; }
.report-button { padding: 8px 12px; border: 1px solid var(--line); color: var(--muted); border-radius: 8px; font-size: .65rem; font-weight: 800; text-decoration: none; letter-spacing: .06em; }.report-button:hover { color: var(--green); border-color: var(--green); }
.clock { font: 700 1.15rem ui-monospace, monospace; color: var(--muted); }
main { padding: 26px 0 60px; }
.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.summary-card { background: linear-gradient(145deg, #12231e, var(--panel)); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.summary-card span { color: var(--muted); font-size: .7rem; letter-spacing: .11em; font-weight: 700; }
.summary-card strong { display: block; margin-top: 9px; font-size: 1.9rem; letter-spacing: -.04em; }
.section-heading { display: flex; justify-content: space-between; align-items: end; margin: 34px 0 15px; }
.muted { color: var(--muted); font-size: .8rem; }
.site-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.site-card { background: rgba(12, 23, 20, .94); border: 1px solid var(--line); border-radius: 16px; padding: 20px; box-shadow: 0 18px 45px rgba(0,0,0,.15); cursor: pointer; }
.site-card:hover, .site-card:focus { border-color: var(--green); outline: none; }
.site-card[data-status="degraded"] { border-color: color-mix(in srgb, var(--red) 55%, var(--line)); }
.site-card[data-status="warning"] { border-color: color-mix(in srgb, var(--amber) 48%, var(--line)); }
.site-title { display: grid; grid-template-columns: 10px 1fr auto; gap: 12px; align-items: center; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px var(--green); }
[data-status="warning"] .status-dot { background: var(--amber); box-shadow: 0 0 14px var(--amber); }
[data-status="degraded"] .status-dot { background: var(--red); box-shadow: 0 0 14px var(--red); }
.site-title h3 { font-size: 1.02rem; }
.site-state { color: var(--muted); font-size: .72rem; margin-top: 4px; text-transform: uppercase; letter-spacing: .08em; }
.client-count { font-size: 1.45rem; }
.site-counts { display: grid; justify-items: end; gap: 5px; }.readiness-score { color: var(--green); font-size: .65rem; letter-spacing: .06em; }[data-readiness="attention"] .readiness-score { color: var(--amber); }[data-readiness="not-ready"] .readiness-score { color: var(--red); }
.client-count::after { content: " clients"; display: block; color: var(--muted); font-size: .62rem; font-weight: 500; text-align: right; letter-spacing: .06em; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 22px; }
.metric-row div { padding: 11px 8px; background: var(--panel-2); border-radius: 9px; }
.metric-row span { display: block; color: var(--muted); font-size: .55rem; letter-spacing: .09em; }
.metric-row strong { display: block; margin-top: 7px; font-size: .78rem; }
.throughput { display: flex; gap: 17px; margin-top: 15px; color: var(--muted); font: .72rem ui-monospace, monospace; }
.down::before { content: "↓ "; color: var(--green); }.up::before { content: "↑ "; color: var(--blue); }
.incidents { display: grid; gap: 10px; }
.incident { display: grid; grid-template-columns: 8px 110px 1fr auto; align-items: center; gap: 15px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 15px; }
.severity-bar { height: 100%; min-height: 48px; border-radius: 4px; background: var(--amber); }
.incident[data-severity="critical"] .severity-bar { background: var(--red); box-shadow: 0 0 16px rgba(255,101,119,.28); }
.incident-id { color: var(--muted); font: .72rem ui-monospace, monospace; }
.incident h3 { font-size: .92rem; }.incident p { color: var(--muted); font-size: .76rem; margin-top: 5px; }
.incident-site { color: var(--green); }
button { border: 1px solid var(--green); background: transparent; color: var(--green); padding: 9px 14px; border-radius: 8px; cursor: pointer; font-weight: 800; font-size: .7rem; letter-spacing: .06em; }
.secondary-button { color: var(--muted); border-color: var(--line); }.operators-dialog { width: min(900px, calc(100% - 32px)); }.user-form { display: grid; grid-template-columns: 1fr 160px 1fr auto; gap: 10px; align-items: end; }.user-form label { display: grid; gap: 6px; color: var(--muted); font-size: .68rem; }.user-form input, .user-form select { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 10px; }.user-form p { grid-column: 1/-1; color: var(--amber); min-height: 1em; }
button:hover { background: var(--green); color: var(--bg); } button:disabled { opacity: .45; cursor: default; }
.empty { padding: 30px; text-align: center; color: var(--muted); background: var(--panel); border-radius: 12px; }
.detail-dialog { width: min(1180px, calc(100% - 32px)); max-height: calc(100vh - 48px); color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 18px; padding: 0; }
.detail-dialog::backdrop { background: rgba(0,0,0,.72); backdrop-filter: blur(5px); }
.detail-dialog > header { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: center; padding: 22px 24px; background: rgba(7,16,14,.96); border-bottom: 1px solid var(--line); }
#detail-body { padding: 24px; }.detail-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }.detail-heading { margin: 28px 0 12px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; } table { width: 100%; border-collapse: collapse; font-size: .76rem; } th, td { padding: 11px 13px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; } th { color: var(--muted); font-size: .64rem; letter-spacing: .08em; }
.state-badge { display: inline-block; padding: 4px 7px; border: 1px solid var(--amber); border-radius: 999px; text-transform: uppercase; font-size: .62rem; }.state-badge[data-state="online"] { color: var(--green); border-color: var(--green); }.state-badge[data-state="offline"], .state-badge[data-state="critical"] { color: var(--red); border-color: var(--red); }.collected { margin-top: 18px; }
.history-chart { padding: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }.history-chart svg { display: block; width: 100%; height: 150px; }.history-chart line { stroke: var(--line); stroke-dasharray: 5 5; }.history-chart polyline { fill: none; stroke: var(--green); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 5px rgba(93,242,169,.35)); }.history-chart div { display: flex; justify-content: space-between; color: var(--muted); font-size: .7rem; }.history-chart strong { color: var(--green); }
.readiness-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 9px; }.readiness-list article { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: center; padding: 13px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }.readiness-list article > span { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; background: var(--red); font-weight: 900; }.readiness-list article[data-passed="true"] > span { background: var(--green); color: var(--bg); }.readiness-list p { color: var(--muted); font-size: .68rem; margin-top: 4px; }.readiness-list b { color: var(--muted); font-size: .65rem; }
@media (max-width: 1000px) { .site-grid { grid-template-columns: 1fr; } .summary { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .topbar, main { width: min(100% - 24px, 1440px); } .topbar { align-items: start; } .clock { display: none; } .summary { grid-template-columns: 1fr 1fr; } .metric-row { grid-template-columns: 1fr 1fr; } .incident { grid-template-columns: 6px 1fr auto; } .incident-id { display: none; } }
@media (max-width: 760px) { .user-form { grid-template-columns: 1fr; }.user-form p { grid-column: auto; }.report-button { display: none; } }