:root {
  --bg: #0a0b0d; --surface: #121418; --surface-2: #181b21; --surface-3: #20242c; --border: #23272f; --border-strong: #2f3440;
  --text: #eef0f4; --muted: #9aa1ad; --faint: #6b7280; --accent: #8fa3ff; --accent-ink: #0a0f2b; --go: #3ddc84; --go-ink: #04210f;
  --warn: #ffb547; --stop: #ff4d4f; --radius: 14px;
  --font: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif; --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
code { font-family: var(--mono); font-size: 0.85em; color: var(--muted); }
b { font-weight: 600; }
.muted { color: var(--muted); }
.go { color: var(--go); }
.spacer { flex: 1; }
button, input, select { font: inherit; color: inherit; }

/* ---- buttons / inputs */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 0 14px; border-radius: 10px;
  border: 1px solid var(--border-strong); background: var(--surface-2); color: var(--text); text-decoration: none; font-weight: 600; font-size: 14px; cursor: pointer; }
.btn:hover { background: var(--surface-3); }
.btn--primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn--primary:hover { background: #a6b5ff; }
.btn--ghost { background: transparent; }
input[type=password], input[type=search], input:not([type]), select {
  min-height: 40px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--border-strong); background: var(--surface-2); }
input:focus-visible, select:focus-visible, .btn:focus-visible, button:focus-visible, tr:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---- brand */
.brand { display: flex; align-items: center; gap: 10px; }
.brand b { display: block; font-size: 16px; line-height: 1.1; }
.brand small { color: var(--muted); font-size: 12px; }
.brand__mark { width: 28px; height: 28px; border-radius: 8px; background: var(--surface-3) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpath d='M5 16c3-8 6-8 9 0s6 8 9 0 3-5 4-4' fill='none' stroke='%238fa3ff' stroke-width='3' stroke-linecap='round'/%3E%3C/svg%3E") center/80% no-repeat; }

/* ---- login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login__card { width: min(380px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; display: grid; gap: 22px; }
.login form { display: grid; gap: 10px; }
.login label { font-size: 13px; color: var(--muted); }
.login .btn { min-height: 48px; margin-top: 6px; }
.err { color: #ff8a8c; margin: 0; font-size: 14px; }

/* ---- header */
.top { position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding: 12px 20px;
  background: rgba(10, 11, 13, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.livepill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); font-size: 13px; font-weight: 600; color: var(--muted); }
.livepill i { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); }
.livepill[data-on='true'] { color: var(--go); border-color: rgba(61, 220, 132, 0.35); }
.livepill[data-on='true'] i { background: var(--go); box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.6); animation: pulse 1.6s infinite; }
.livepill[data-on='err'] { color: var(--warn); }
@keyframes pulse { 70% { box-shadow: 0 0 0 7px rgba(61, 220, 132, 0); } 100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0); } }
.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.seg button { border: 0; background: transparent; padding: 7px 11px; border-radius: 7px; font-size: 13px; font-weight: 600; color: var(--muted); cursor: pointer; }
.seg button[aria-pressed='true'] { background: var(--surface-3); color: var(--text); }

/* ---- grid */
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; padding: 18px 20px 8px; max-width: 1500px; margin: 0 auto; }
.grid > * { grid-column: span 6; min-width: 0; }
.kpis { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.card--live { grid-column: span 8; }
.card--feed { grid-column: span 4; }
.card--wide { grid-column: span 7; }
.card--wide + .card { grid-column: span 5; }
.card--full { grid-column: 1 / -1; }
.grid > .card:nth-last-child(-n+6) { grid-column: span 4; }

.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; display: grid; gap: 2px; }
.kpi span { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.kpi b { font: 600 26px/1.2 var(--mono); font-variant-numeric: tabular-nums; }
.kpi small { color: var(--faint); font-size: 12px; }
.kpi--go b { color: var(--go); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.card__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; }
.card__head h2 { margin: 0; font-size: 15px; }
.card__head .muted { font-size: 13px; }
.card__head input { min-width: 240px; }
.empty { margin: 4px 0; color: var(--faint); font-size: 14px; }

/* ---- tables */
.tablewrap { overflow-x: auto; max-height: 460px; overflow-y: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { position: sticky; top: 0; background: var(--surface); text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.tbl td { padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.tbl .num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl--click tbody tr, #liveTbl tbody tr { cursor: pointer; }
.tbl tbody tr:hover { background: var(--surface-2); }
.cc { display: inline-block; min-width: 26px; padding: 1px 5px; border-radius: 5px; background: var(--surface-3); font: 600 11px/1.5 var(--mono); color: var(--muted); text-align: center; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--go); margin-right: 8px; vertical-align: middle; }
.tag { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--surface-3); color: var(--muted); }
.tag--go { background: rgba(61, 220, 132, 0.15); color: var(--go); }
.tag--warn { background: rgba(255, 181, 71, 0.15); color: var(--warn); }
.tag--idle { background: rgba(143, 163, 255, 0.15); color: var(--accent); }
.meter { height: 4px; margin-top: 6px; background: var(--surface-3); border-radius: 2px; overflow: hidden; }
.meter i { display: block; height: 100%; background: var(--accent); border-radius: 2px; }

/* ---- feed */
.feed { list-style: none; margin: 0; padding: 0; max-height: 420px; overflow-y: auto; display: grid; gap: 2px; }
.feed li { display: grid; grid-template-columns: 86px 1fr; gap: 10px; padding: 7px 4px; border-bottom: 1px solid var(--border); font-size: 13px; }
.feed time { font-family: var(--mono); color: var(--faint); font-size: 12px; }
.feed .who { display: block; font-size: 12px; }
.feed li.k-start > div > span:last-child, .feed li.k-preset > div > span:last-child { color: var(--text); }
.feed li.k-stop > div > span:last-child { color: #ffb0b1; }
.feed li.k-connect > div > span:last-child { color: var(--accent); }
.feed li.k-error > div > span:last-child { color: var(--warn); }
.feed--sm { max-height: 280px; }

/* ---- charts */
.chart svg { display: block; }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.chart rect.a { fill: var(--accent); opacity: 0.85; }
.chart rect.b { fill: var(--go); }
.chart .bar:hover rect.a { opacity: 1; }
.chart text { fill: var(--faint); font: 11px var(--mono); }
.chart text.max { fill: var(--muted); }
.legend { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-left: 8px; }
.sw--a { background: var(--accent); } .sw--b { background: var(--go); }

/* ---- bars list */
.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.bars li { display: grid; grid-template-columns: 1fr auto; font-size: 14px; }
.bars b { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.bars .meter { grid-column: 1 / -1; }

/* ---- drawer */
.scrim { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.5); z-index: 9; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(620px, 100%); z-index: 10; background: var(--surface); border-left: 1px solid var(--border-strong);
  padding: 18px; overflow-y: auto; display: flex; flex-direction: column; gap: 14px; }
.drawer[hidden], .scrim[hidden] { display: none; }
.drawer__head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.drawer__head h2 { margin: 0 0 2px; font-size: 18px; }
.drawer__label { display: grid; gap: 6px; }
.drawer__label label { font-size: 13px; color: var(--muted); }
.drawer__label .row { display: flex; gap: 8px; }
.drawer__label input { flex: 1; }
.kpis--sm { grid-template-columns: repeat(3, 1fr); }
.kpis--sm .kpi b { font-size: 18px; }
.sess { border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; margin-bottom: 10px; background: var(--surface-2); }
.sess summary { display: flex; justify-content: space-between; gap: 10px; cursor: pointer; list-style: none; flex-wrap: wrap; }
.sess summary::-webkit-details-marker { display: none; }
.sess__nums { display: flex; gap: 12px; font: 13px var(--mono); color: var(--muted); }
.sess p { font-size: 13px; margin: 8px 0; }

.foot { text-align: center; color: var(--faint); font-size: 12px; padding: 18px; }

/* ---- responsive */
@media (max-width: 1200px) {
  .kpis { grid-template-columns: repeat(3, 1fr); }
  .card--live, .card--feed, .card--wide, .card--wide + .card { grid-column: 1 / -1; }
  .grid > .card:nth-last-child(-n+6) { grid-column: span 6; }
}
@media (max-width: 760px) {
  .grid { padding: 12px; gap: 12px; }
  .grid > *, .grid > .card:nth-last-child(-n+6) { grid-column: 1 / -1; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .top { padding: 10px 12px; position: static; }
  .card__head input { min-width: 0; width: 100%; }
  .kpis--sm { grid-template-columns: repeat(2, 1fr); }
}