:root {
    --bg: #f5f6f8;
    --panel: #ffffff;
    --panel-2: #f0f2f5;
    --border: #dfe3e8;
    --text: #1c2430;
    --muted: #5d6b7c;
    --accent: #2f6fde;
    --accent-soft: #e6eefc;
    --ok: #1f8a4c;
    --warn: #b7791f;
    --crit: #c53030;
    --crit-soft: #fdecec;
    --warn-soft: #fdf5e6;
    --ok-soft: #e7f5ed;
    --c1: #2f6fde;
    --c2: #d9822b;
    --c3: #8e44ad;
    --c4: #1f8a4c;
    --c5: #c53030;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #11151b;
        --panel: #181e26;
        --panel-2: #1f2630;
        --border: #2c3542;
        --text: #e4e9f0;
        --muted: #93a1b3;
        --accent: #6b9cf5;
        --accent-soft: #1d2b45;
        --ok: #4cc283;
        --warn: #e2b04a;
        --crit: #f07171;
        --crit-soft: #3a1f22;
        --warn-soft: #3a3020;
        --ok-soft: #1b3326;
        --c1: #6b9cf5;
        --c2: #f0a35e;
        --c3: #c38be0;
        --c4: #4cc283;
        --c5: #f07171;
    }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.45 var(--sans); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 0 0 10px; }
h3 { font-size: 13px; margin: 14px 0 6px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

.boot { padding: 40px; color: var(--muted); }
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side { background: var(--panel); border-right: 1px solid var(--border); padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.brand { font-weight: 700; letter-spacing: .14em; font-size: 15px; padding: 4px 8px 14px; }
.side select { margin: 0 4px 12px; }
.nav a { display: flex; justify-content: space-between; padding: 7px 10px; border-radius: 6px; color: var(--text); }
.nav a:hover { background: var(--panel-2); text-decoration: none; }
.nav a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.side .spacer { flex: 1; }
.side .user { font-size: 12px; color: var(--muted); padding: 8px; border-top: 1px solid var(--border); }

.main { padding: 20px 24px 40px; min-width: 0; }
.topbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; justify-content: space-between; margin-bottom: 18px; }
.topbar .sub { color: var(--muted); font-size: 13px; }
.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; margin-bottom: 16px; min-width: 0; }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.kpi .label { color: var(--muted); font-size: 12px; }
.kpi .value { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--panel-2); }
.table-wrap { overflow-x: auto; }
.wrap { word-break: break-word; }

input, select, textarea, button { font: inherit; color: var(--text); }
input, select, textarea { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; }
textarea { width: 100%; min-height: 80px; font-family: var(--mono); font-size: 12.5px; }
button { background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; padding: 6px 12px; cursor: pointer; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--crit); }
button:disabled { opacity: .5; cursor: default; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; background: var(--panel); }
.seg button.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
label.field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 12px; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 11.5px; font-weight: 600; background: var(--panel-2); color: var(--muted); white-space: nowrap; }
.badge.critical, .badge.error, .badge.open { background: var(--crit-soft); color: var(--crit); }
.badge.warning, .badge.pending, .badge.running { background: var(--warn-soft); color: var(--warn); }
.badge.ok, .badge.resolved, .badge.sent, .badge.info { background: var(--ok-soft); color: var(--ok); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: var(--muted); }
.dot.ok { background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.crit { background: var(--crit); }
.muted { color: var(--muted); }
.err { color: var(--crit); }
.notice { padding: 10px 12px; border-radius: 6px; background: var(--warn-soft); color: var(--text); margin-bottom: 12px; }
.notice.error { background: var(--crit-soft); }
.empty { color: var(--muted); padding: 16px 0; }
.secret { font-family: var(--mono); background: var(--panel-2); padding: 10px; border-radius: 6px; word-break: break-all; user-select: all; }

.chart svg { width: 100%; height: 180px; display: block; }
.chart .axis { stroke: var(--border); }
.chart text { fill: var(--muted); font-size: 10px; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); margin-top: 4px; flex-wrap: wrap; }
.legend span::before { content: ""; display: inline-block; width: 10px; height: 3px; margin-right: 5px; vertical-align: middle; background: var(--legend-color, var(--muted)); }

.waterfall .row { display: grid; grid-template-columns: minmax(200px, 38%) 1fr; gap: 8px; padding: 3px 0; border-bottom: 1px solid var(--border); cursor: pointer; }
.waterfall .row:hover { background: var(--panel-2); }
.waterfall .name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 12.5px; }
.waterfall .track { position: relative; height: 18px; }
.waterfall .bar { position: absolute; top: 3px; height: 12px; border-radius: 3px; background: var(--c1); min-width: 2px; }
.waterfall .bar.error { background: var(--crit); }
.waterfall .bar.db { background: var(--c2); }
.waterfall .dur { position: absolute; top: 1px; font-size: 11px; color: var(--muted); white-space: nowrap; }
.detail { background: var(--panel-2); border-radius: 6px; padding: 10px; margin: 6px 0 10px; font-size: 12.5px; overflow-x: auto; }
.detail pre { margin: 0; white-space: pre-wrap; word-break: break-word; font-family: var(--mono); }

.hypothesis { border-left: 3px solid var(--accent); padding: 4px 0 4px 12px; margin: 10px 0; }
.hypothesis.high { border-color: var(--crit); }
.hypothesis.medium { border-color: var(--warn); }
.ev-ref { font-family: var(--mono); font-size: 12px; background: var(--accent-soft); color: var(--accent); padding: 0 5px; border-radius: 4px; }

.login { max-width: 360px; margin: 12vh auto; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 28px; display: flex; flex-direction: column; gap: 12px; }
.login .brand { padding: 0 0 6px; font-size: 18px; }

@media (max-width: 860px) {
    .app { grid-template-columns: 1fr; }
    .side { border-right: 0; border-bottom: 1px solid var(--border); }
    .nav { display: flex; flex-wrap: wrap; gap: 2px; }
    .side .spacer { display: none; }
    .main { padding: 16px; }
    .grid.two { grid-template-columns: 1fr; }
    .waterfall .row { grid-template-columns: 1fr; }
}