:root {
  --bg: #0f1114; --surface: #171a1f; --surface2: #1e2229; --line: #2a2f38;
  --ink: #e8e6e1; --ink2: #b9b6ae; --mut: #8a8780;
  --brand: #d9a441; --accent: #7fb0ef; --series: #6fa8f5;
  --ok: #5cc08c; --warn: #e0a53a; --bad: #f07167; --anom: #a98ff0;
  --okbg: rgba(92,192,140,.12); --badbg: rgba(240,113,103,.12); --warnbg: rgba(224,165,58,.12);
  --radius: 12px; --shadow: 0 1px 0 rgba(255,255,255,.03), 0 8px 24px rgba(0,0,0,.25);
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f5f4f0; --surface: #ffffff; --surface2: #f0eee9; --line: #e2dfd8;
    --ink: #1c1c1a; --ink2: #45443f; --mut: #6d6b65;
    --brand: #a8740f; --accent: #1e5aa8; --series: #2563c4;
    --ok: #1f7a4d; --warn: #9a6200; --bad: #b3261e; --anom: #6a4bb3;
    --okbg: rgba(31,122,77,.09); --badbg: rgba(179,38,30,.08); --warnbg: rgba(154,98,0,.09);
    --shadow: 0 1px 2px rgba(0,0,0,.05), 0 6px 18px rgba(0,0,0,.06);
    color-scheme: light;
  }
}
:root[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 8px 0 4px; letter-spacing: -.01em; }
h2 { font-size: 18px; margin: 0; }
.mut { color: var(--mut); } .small { font-size: 13px; }
main { max-width: 1060px; margin: 0 auto; padding: 20px 16px 80px; }

/* top bar */
.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 24px;
  padding: 12px 20px; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.brand { font-weight: 800; letter-spacing: .12em; color: var(--ink); font-size: 14px; }
.brand:hover { text-decoration: none; } .brand.big { font-size: 20px; }
.mark { height: 22px; width: 22px; vertical-align: -5px; margin-right: 6px; }
.brand.big .mark { height: 34px; width: 34px; vertical-align: -9px; }
.top nav { display: flex; gap: 4px; flex: 1; }
.top nav a { color: var(--ink2); padding: 6px 12px; border-radius: 8px; }
.top nav a.on, .top nav a:hover { background: var(--surface2); color: var(--ink); text-decoration: none; }
.me { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.role { color: var(--mut); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }

/* cards & controls */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px; margin: 14px 0; }
.card.empty { color: var(--mut); text-align: center; padding: 36px; }
.card.narrow { max-width: 460px; }
.pill { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .08em; padding: 2px 7px;
  border-radius: 999px; background: var(--surface2); color: var(--ink2); }
.pill.anom { background: color-mix(in srgb, var(--anom) 20%, transparent); color: var(--anom); }
input, select, textarea { font: inherit; color: var(--ink); background: var(--surface2); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
label { display: block; margin: 12px 0; font-size: 14px; color: var(--ink2); }
label input, label select, label textarea { margin-top: 5px; }
button { font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid var(--line);
  background: var(--surface2); color: var(--ink); padding: 7px 14px; }
button:hover { border-color: var(--mut); }
button.primary { background: var(--accent); border-color: var(--accent); color: #0b1220; font-weight: 600; }
button.link { background: none; border: 0; color: var(--accent); padding: 0; }
.row { display: flex; gap: 10px; align-items: center; justify-content: flex-end; margin-top: 12px; }
.row input { flex: 1; }
.err { color: var(--bad); }

/* login */
main.login { min-height: 100vh; display: grid; place-items: center; }
main.login .card { width: min(380px, 100%); padding: 28px; }
main.login button.primary { width: 100%; margin-top: 8px; padding: 10px; }
button.discord { width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px;
  background: #5865f2; border-color: #5865f2; color: #fff; font-weight: 600; padding: 11px; margin: 18px 0 6px; }
button.discord:hover { background: #4752c4; border-color: #4752c4; }
button.discord svg { width: 20px; height: 20px; }
details.alt { margin-top: 10px; } details.alt summary { color: var(--mut); font-size: 13px; font-weight: 400; }
img.av { width: 22px; height: 22px; border-radius: 50%; vertical-align: middle; margin-right: 8px; }

/* sessions list */
.sessions { display: grid; gap: 10px; }
.srow { display: flex; gap: 20px; align-items: center; justify-content: space-between; margin: 0;
  color: inherit; transition: border-color .15s, transform .15s; }
.srow:hover { border-color: var(--mut); text-decoration: none; transform: translateY(-1px); }
.when { font-size: 13px; color: var(--mut); }
.label { font-weight: 600; font-size: 16px; margin: 2px 0 4px; }
.meta { font-size: 13px; color: var(--ink2); display: flex; gap: 8px; align-items: center; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; max-width: 55%; }
.chip { font-size: 13px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); white-space: nowrap; }
.chip.ok { background: var(--okbg); } .chip.bad { background: var(--badbg); }
.chip.ok b { color: var(--ok); } .chip.bad b { color: var(--bad); }

/* session detail */
.crumbs { font-size: 13px; color: var(--mut); }
.case .head { display: flex; gap: 20px; align-items: flex-start; }
.grade { font-size: 46px; font-weight: 800; min-width: 88px; text-align: center; line-height: 1.1;
  padding: 8px 6px; border-radius: 12px; }
.grade.ok { color: var(--ok); background: var(--okbg); } .grade.bad { color: var(--bad); background: var(--badbg); }
.verdict { font-weight: 700; margin-top: 2px; } .verdict.ok { color: var(--ok); } .verdict.bad { color: var(--bad); }
.reason { color: var(--ink2); margin: 2px 0 4px; }
.metrics { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 6px; }
.metric { background: var(--surface2); border-radius: 10px; padding: 7px 12px; font-size: 12px; color: var(--mut); }
.metric b { display: block; font-size: 16px; color: var(--ink); }
.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 10px 0; }

/* findings */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 600; color: var(--mut); font-size: 12px; text-transform: uppercase;
  letter-spacing: .05em; border-bottom: 1px solid var(--line); padding: 8px 6px; }
td { border-bottom: 1px solid var(--line); padding: 9px 6px; vertical-align: top; }
tr:last-child td { border-bottom: 0; }
.st { font-weight: 700; font-size: 12px; letter-spacing: .04em; padding: 2px 8px; border-radius: 6px; white-space: nowrap; }
.st.ok { color: var(--ok); background: var(--okbg); } .st.bad { color: var(--bad); background: var(--badbg); }
.st.warn { color: var(--warn); background: var(--warnbg); } .st.anom { color: var(--anom); }
.st.mut { color: var(--mut); }
.t { font-variant-numeric: tabular-nums; font-size: 13px; background: var(--surface2); padding: 2px 7px; border-radius: 6px; }
.sev { font-size: 11px; color: var(--mut); text-transform: uppercase; letter-spacing: .05em; margin-left: 4px; }
.det { color: var(--ink2); font-size: 13px; margin-top: 2px; }
.ovnote { color: var(--anom); font-size: 12px; margin-top: 4px; }
.owner { color: var(--ink2); font-size: 13px; }
button.ov { font-size: 12px; padding: 2px 8px; color: var(--mut); }
details summary { cursor: pointer; font-weight: 600; }
.filters { margin: 12px 0 6px; max-width: 260px; }
table.tl td { padding: 5px 6px; font-size: 13px; }
table.roster input, table.roster select { padding: 5px 8px; }

/* charts */
.chart { position: relative; margin: 0; background: var(--surface2); border-radius: 10px; padding: 10px 10px 4px; }
.chart figcaption { font-size: 12px; color: var(--mut); font-weight: 600; margin-bottom: 2px; }
.chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { fill: var(--mut); font-size: 10px; }
.chart .axis.ev { fill: var(--ink2); }
.chart .series { fill: none; stroke: var(--series); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .event { stroke: var(--ink2); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .xhair { stroke: var(--mut); stroke-width: 1; }
.chart .dot { fill: var(--series); stroke: var(--surface2); stroke-width: 2; }
.chart .hit { fill: transparent; cursor: crosshair; }
.chart .tip { position: absolute; top: 6px; transform: translateX(-50%); background: var(--surface);
  border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px; font-size: 12px; pointer-events: none;
  white-space: nowrap; font-variant-numeric: tabular-nums; }

/* dialog & toast */
dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink);
  padding: 22px; width: min(440px, 92vw); box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(0,0,0,.5); }
dialog h3 { margin: 0 0 4px; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--surface);
  border: 1px solid var(--line); border-left: 3px solid var(--ok); border-radius: 8px; padding: 10px 16px;
  box-shadow: var(--shadow); z-index: 20; }
.toast.bad { border-left-color: var(--bad); }

@media (max-width: 720px) {
  .top { gap: 10px; padding: 10px 16px; flex-wrap: wrap; }
  .srow { flex-direction: column; align-items: flex-start; }
  .chips { justify-content: flex-start; max-width: 100%; }
  .charts { grid-template-columns: 1fr; }
  .case .head { gap: 12px; } .grade { font-size: 34px; min-width: 64px; }
  td.owner, th:nth-child(4) { display: none; }
}