:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #16181d;
  --muted: #5d6573;
  --border: #e2e5ea;
  --accent: #1f6feb;
  --accent-text: #ffffff;
  --pos: #137a3a;
  --neg: #c0362c;
  --warn-bg: #fff6dd;
  --warn-text: #7a5300;
  --err-bg: #fde8e6;
  --ok-bg: #e5f5ea;
  --info-bg: #e8f0fd;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a21;
    --text: #e8eaee;
    --muted: #9aa3b2;
    --border: #2a2f3a;
    --accent: #4c8dff;
    --pos: #4cc27a;
    --neg: #ff7a70;
    --warn-bg: #3a2f10;
    --warn-text: #f3cf73;
    --err-bg: #3d1c1a;
    --ok-bg: #173323;
    --info-bg: #182640;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1 { font-size: 1.7rem; margin: 0.6em 0 0.5em; }
h2 { font-size: 1.15rem; margin: 0 0 0.6em; }
h3 { font-size: 1rem; margin: 0 0 0.4em; }
code { background: var(--bg); padding: 2px 6px; border-radius: 4px; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 520px; margin: 24px auto; }

.topbar { background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 56px; flex-wrap: wrap; gap: 8px; }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--text); }
nav a:hover { color: var(--accent); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
}
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid > .card { margin: 0; }
.grid > * { min-width: 0; }  /* wide tables scroll inside their card instead of widening the page */
.grid.two + .grid.two, .card + .grid, .grid + .card { margin-top: 16px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }

.hero { padding: 32px 0 8px; }
.hero h1 { font-size: 2.1rem; max-width: 760px; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 720px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-text);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 9px 18px;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.small { padding: 5px 12px; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.danger { background: var(--neg); border-color: var(--neg); }
.danger-text { color: var(--neg) !important; border-color: var(--neg) !important; }
.linklike { background: none; border: none; color: var(--text); font: inherit; cursor: pointer; padding: 0; }
.linklike:hover { color: var(--accent); }
form.inline { display: inline; }
.spaced { margin-top: 10px; }

.form { display: grid; gap: 14px; margin: 12px 0; }
.form label { display: grid; gap: 4px; font-weight: 500; }
input[type=email], input[type=password], input[type=text], input[type=number], select {
  font: inherit;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  width: 100%;
}
.check { display: flex !important; gap: 10px; align-items: flex-start; font-weight: 400 !important; }
.check input { margin-top: 5px; }
.inline-check { display: inline-flex !important; margin-right: 16px; align-items: center; }
.inline-check input { margin-top: 0; }
fieldset.choice { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; }
legend { font-weight: 600; padding: 0 4px; }

.market-group { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 0; margin: 6px 0; }
.market-group > .muted { width: 110px; flex-shrink: 0; }
details.group-details summary { cursor: pointer; font-weight: 600; margin: 8px 0; }
.flash { padding: 10px 14px; border-radius: 8px; margin: 12px 0; background: var(--info-bg); }
.flash.success { background: var(--ok-bg); }
.flash.error { background: var(--err-bg); }
.flash.warning { background: var(--warn-bg); color: var(--warn-text); }

.pill { display: inline-block; font-size: 0.75rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; letter-spacing: 0.03em; }
.pill.practice { background: var(--info-bg); color: var(--accent); }
.pill.live { background: var(--err-bg); color: var(--neg); }
.pill.ok { background: var(--ok-bg); color: var(--pos); }
.pill.warn { background: var(--warn-bg); color: var(--warn-text); }

.status { font-size: 1.3rem; font-weight: 700; margin: 4px 0; }
.status.on { color: var(--pos); }
.status.off { color: var(--muted); }
.status.warn { color: var(--warn-text); }
.todo { padding-left: 20px; color: var(--warn-text); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin: 10px 0 16px; }
.stats.wide { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.stats .label { display: block; font-size: 0.8rem; color: var(--muted); }
.stats .value { font-size: 1.2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stats > div > .small { display: block; color: var(--muted); }
.pos { color: var(--pos); }
.neg { color: var(--neg); }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 0.8rem; color: var(--muted); font-weight: 600; }

.events { list-style: none; padding: 0; margin: 0; }
.events li { padding: 6px 0; border-bottom: 1px solid var(--border); }
.events li.warning { color: var(--warn-text); }
.events li.error { color: var(--neg); }

.chart { margin: 8px 0 0; }
.chart svg { width: 100%; height: 220px; display: block; background: var(--bg); border-radius: 8px; }
.chart .equity { fill: none; stroke: var(--accent); stroke-width: 2; vector-effect: non-scaling-stroke; }
.chart .baseline { stroke: var(--muted); stroke-dasharray: 4 4; stroke-width: 1; vector-effect: non-scaling-stroke; }

.steps li { margin: 6px 0; }
.prose { max-width: 780px; }
.footer { color: var(--muted); font-size: 0.85rem; padding-top: 16px; padding-bottom: 32px; }

/* --- AI desk, go-live checklist, theme switch (both looks) --- */
nav a[aria-current=page] { font-weight: 700; }
.brand { display: inline-flex; align-items: center; gap: 8px; }
.theme-switch { font-size: 0.85rem; opacity: 0.85; }
.page-head { margin-top: 8px; }
.page-head h1 { margin-bottom: 0.3em; }
.prose-wide { max-width: none; }
.pill.ai { background: var(--info-bg); color: var(--accent); font-size: 0.68rem; padding: 1px 7px; vertical-align: 1px; }
.pill.neg-pill { background: var(--err-bg); color: var(--neg); }
.desk-card h3 { margin-top: 14px; }
.briefs, .verdicts { list-style: none; padding: 0; margin: 6px 0 10px; }
.briefs li, .verdicts li { padding: 6px 0; border-bottom: 1px solid var(--border); line-height: 1.45; }
.briefs .who { display: block; font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.verdicts .pill { margin-right: 6px; min-width: 42px; text-align: center; }
details.review { padding: 0; }
details.review summary { cursor: pointer; padding: 14px 20px; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
details.review summary::-webkit-details-marker { display: none; }
details.review[open] summary { border-bottom: 1px solid var(--border); }
.review-body { padding: 4px 20px 16px; }
.review-body h3 { margin-top: 14px; }
.rounds { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 10px; }
.op { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.op ul { padding-left: 18px; margin: 6px 0; }
.op p { margin: 6px 0; }
.scan { white-space: pre-wrap; border-left: 3px solid var(--border); padding-left: 10px; }
.ext { margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--border); }
.ext h3 { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
tr.ext-row td { font-size: 0.9em; white-space: normal; }

/* scenarios page */
.outcome-form { align-items: flex-end; gap: 14px; margin-bottom: 8px; }
.outcome-form label { display: grid; gap: 4px; }
.outcome-form input[type=number] { width: 110px; }
.outcome-form select { width: auto; }
#tp select { max-width: 420px; }
#tp details.more { margin-top: 8px; }
table.tp-table th { white-space: normal; }
tr.current td { background: var(--info-bg); }
table.outcomes td { white-space: normal; vertical-align: top; }
table.outcomes th { white-space: normal; }
.fan { margin: 14px 0 6px; }
.fan { max-width: 760px; }
.fan svg { width: 100%; height: auto; display: block; }
.fan .grid { stroke: var(--border); stroke-width: 1; }
.fan .tick { font-size: 11px; fill: var(--muted); text-anchor: end; dominant-baseline: middle; }
.fan .month { font-size: 11px; fill: var(--muted); text-anchor: middle; }
.fan .band-outer { fill: var(--accent); opacity: 0.16; }
.fan .band-inner { fill: var(--accent); opacity: 0.32; }
.fan .median { fill: none; stroke: var(--accent); stroke-width: 2.5; }
.fan .base { stroke: var(--muted); stroke-dasharray: 4 4; }
.scenarios { list-style: none; padding: 0; margin: 0; }
.scenarios li { display: flex; gap: 14px; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border); }
.scenarios li:last-child { border-bottom: none; }
.scenarios p { margin: 4px 0; font-size: 0.92rem; }
.sc-main { min-width: 0; }
.sc-meta { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; flex-shrink: 0; }
.sc-label { display: inline-block; min-width: 64px; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
@media (max-width: 600px) { .scenarios li { flex-direction: column; } .sc-meta { flex-direction: row; align-items: flex-start; } }
.views { list-style: none; padding: 0; margin: 8px 0; }
.views li { padding: 6px 0; border-top: 1px solid var(--border); display: grid; gap: 2px; }
.view-head { display: flex; justify-content: space-between; gap: 8px; }
details.more { margin: 4px 0 10px; }
details.more summary { cursor: pointer; color: var(--accent); }
.brief table td.wrap-cell, td.wrap-cell { white-space: normal; }
.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.checklist li:last-child { border-bottom: none; }
.checklist li p { margin: 4px 0; }
.checklist strong { margin-right: 8px; }
.check-mark { flex: 0 0 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; }
.check-ok .check-mark { background: var(--ok-bg); color: var(--pos); }
.check-warn .check-mark { background: var(--warn-bg); color: var(--warn-text); }
.check-fail .check-mark { background: var(--err-bg); color: var(--neg); }
.check-info .check-mark { background: var(--info-bg); color: var(--accent); }