:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #10141d;
  color: #eef2f8;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --muted: #8d98aa;
  --line: #252d3b;
  --panel: #171d28;
  --green: #6de0ad;
  --red: #ff828c;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: radial-gradient(ellipse at 85% 0, #1d2b37 0, transparent 35%), #10141d; }
.shell { max-width: 1240px; margin: 0 auto; padding: 38px 28px 28px; }
.topbar, .section-heading, footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.topbar { margin-bottom: 28px; }
.eyebrow { color: #7dcaac; font-size: 11px; font-weight: 750; letter-spacing: .15em; margin: 0 0 9px; }
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(29px, 4vw, 42px); letter-spacing: -.04em; margin-bottom: 7px; }
h2 { font-size: 18px; letter-spacing: -.02em; margin-bottom: 0; }
.subtitle, .muted, footer { color: var(--muted); }
.subtitle { margin-bottom: 0; }
.status-pill { display: inline-flex; align-items: center; gap: 9px; border: 1px solid var(--line); padding: 9px 13px; border-radius: 999px; background: #151b25; font-size: 13px; white-space: nowrap; }
.status-dot { height: 8px; width: 8px; background: #768194; border-radius: 50%; }
.status-pill.running .status-dot { background: var(--green); box-shadow: 0 0 12px #6de0ad88; }
.notice { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 14px 17px; border: 1px solid #315044; border-radius: 12px; background: #17241f; color: #b6c8c0; font-size: 13px; margin-bottom: 18px; }
.notice strong { color: var(--green); }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.metric, .panel { background: color-mix(in srgb, var(--panel) 94%, transparent); border: 1px solid var(--line); border-radius: 14px; }
.metric { min-height: 120px; padding: 19px; }
.metric span, .metric small { display: block; color: var(--muted); font-size: 12px; }
.metric strong { display: inline-block; font-size: 27px; letter-spacing: -.035em; margin: 15px 7px 3px 0; font-variant-numeric: tabular-nums; }
.panel { padding: 21px; margin-bottom: 18px; min-width: 0; }
.section-heading { margin-bottom: 18px; align-items: flex-end; }
.count { display: inline-grid; place-items: center; vertical-align: 2px; min-width: 23px; height: 23px; border: 1px solid var(--line); border-radius: 20px; color: var(--muted); font-size: 12px; margin-left: 5px; }
.muted { font-size: 12px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; white-space: nowrap; }
th { color: var(--muted); font-size: 11px; font-weight: 650; text-transform: uppercase; letter-spacing: .08em; }
td, th { padding: 12px 10px; border-bottom: 1px solid var(--line); }
td { font-size: 13px; font-variant-numeric: tabular-nums; }
tbody tr:last-child td { border-bottom: 0; }
.lower-grid { display: grid; grid-template-columns: minmax(240px, .75fr) minmax(0, 1.25fr); gap: 18px; }
.session-list, .activity-list { display: grid; gap: 9px; max-height: 390px; overflow: auto; }
.session-item { display: block; text-align: left; width: 100%; border: 1px solid var(--line); border-radius: 10px; background: #131923; color: inherit; padding: 12px; cursor: pointer; }
.session-item:hover, .session-item.selected { border-color: #558f78; background: #18251f; }
.session-item strong, .session-item span { display: block; }
.session-item strong { font-size: 12px; margin-bottom: 6px; }
.session-item span { color: var(--muted); font-size: 11px; }
.session-state { display: inline-block !important; margin-left: 6px; border-radius: 999px; padding: 3px 6px; font-size: 9px !important; font-weight: 750; letter-spacing: .06em; vertical-align: 1px; }
.session-state.active { color: var(--green) !important; background: #193329; }
.session-state.inactive { color: var(--muted) !important; background: #252d3b; }
.session-filters { display: flex; gap: 5px; padding: 4px; border: 1px solid var(--line); border-radius: 10px; background: #131923; }
.session-filter { border: 0; border-radius: 7px; background: transparent; color: var(--muted); padding: 7px 9px; font: inherit; font-size: 11px; cursor: pointer; }
.session-filter.selected { color: #eef2f8; background: #283343; }
.session-filter span { display: inline-grid; place-items: center; min-width: 17px; height: 17px; margin-left: 3px; border-radius: 999px; background: #10141d; font-size: 10px; }
.activity { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 12px; border-bottom: 1px solid var(--line); padding: 10px 0; }
.activity:last-child { border-bottom: 0; }
.activity time { color: var(--muted); font-size: 11px; }
.activity strong { display: block; font-size: 12px; margin-bottom: 4px; overflow-wrap: anywhere; }
.activity p { color: var(--muted); font-size: 11px; margin: 0; overflow-wrap: anywhere; }
.empty { color: var(--muted); font-size: 13px; padding: 14px 8px; }
.positive { color: var(--green); }
.negative { color: var(--red); }
footer { border-top: 1px solid var(--line); padding-top: 15px; font-size: 11px; }
@media (max-width: 760px) {
  .shell { padding: 24px 15px; }
  .metrics { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .metric { min-height: 105px; padding: 15px; }
  .metric strong { font-size: 23px; margin-top: 12px; }
  .lower-grid { grid-template-columns: 1fr; gap: 0; }
  .topbar { align-items: flex-start; }
}
@media (max-width: 460px) {
  .topbar { display: block; }
  .status-pill { margin-top: 15px; }
  .section-heading { align-items: flex-start; flex-direction: column; }
}