/* Signal Club: graphite, ivory, orange (design/signal-club/brand-direction.md). 16 px cards, thin lines, no neon. */
:root {
  color-scheme: dark;
  --bg: #101216;
  --panel: #191c21;
  --raised: #23272d;
  --line: #30343b;
  --fg: #f1eee7;
  --muted: #a2a8b0;
  --orange: #ff8049;
  --orange-fg: #24170f;
  --good: #92d6b5;
  --bad: #ef9ca3;
  --radius: 16px;
  --display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --ui: "DM Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.55 var(--ui); overflow-wrap: anywhere; }
a { color: var(--fg); text-decoration-color: var(--orange); text-underline-offset: 3px; }
a:hover { color: var(--orange); }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; border-radius: 4px; }
main:focus, h1:focus { outline: none; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--display); margin: 0; }
h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.07; letter-spacing: -0.04em; font-weight: 600; }
h2 { font-size: 22px; line-height: 1.15; letter-spacing: -0.02em; font-weight: 600; }
h3 { font-size: 16px; font-weight: 600; }
p { margin: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 16px; top: -48px; background: var(--orange); color: var(--orange-fg); padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { top: 12px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.up { color: var(--good); }
.down { color: var(--bad); }
.flat { color: var(--muted); }
.accent { color: var(--orange); }
.eyebrow, .label { font: 500 11px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.icon { width: 14px; height: 14px; flex-shrink: 0; vertical-align: -2px; }

/* Frame */
.header { display: flex; align-items: center; gap: 20px; padding: 16px max(16px, calc((100% - 1120px) / 2)); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.wordmark { display: flex; align-items: center; gap: 6px; text-decoration: none; color: var(--fg); }
.wordmark span { font: 700 26px var(--display); letter-spacing: -0.06em; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; padding: 10px 12px; border-radius: 8px; font-size: 14px; white-space: nowrap; }
.nav a[aria-current="page"] { color: var(--fg); background: var(--raised); }
main { display: block; max-width: 1152px; margin: 0 auto; padding: 24px 16px 40px; min-height: 60vh; }
.footer { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; max-width: 1120px; margin: 0 auto; padding: 16px; border-top: 1px solid var(--line); font: 10px var(--mono); letter-spacing: 0.08em; color: var(--muted); }
.foot-brand { display: flex; align-items: center; gap: 6px; }

/* Building blocks */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-height: 44px; padding: 10px 16px; border: 1px solid var(--line); background: var(--raised); color: var(--fg); border-radius: 10px; font: 600 14px var(--ui); text-decoration: none; cursor: pointer; }
.button:hover { color: var(--fg); border-color: var(--muted); }
.button.primary { background: var(--orange); border-color: var(--orange); color: var(--orange-fg); }
.button.primary:hover { color: var(--orange-fg); filter: brightness(1.06); }
.button:disabled { opacity: 0.6; cursor: default; }
.button.full { width: 100%; margin-top: 16px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.badge { display: inline-flex; align-items: center; gap: 5px; border: 1px solid var(--line); border-radius: 6px; padding: 3px 7px; font: 500 10px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); white-space: nowrap; text-decoration: none; }
.badge-real { color: var(--good); border-color: color-mix(in srgb, var(--good) 45%, var(--line)); }
a.badge-real:hover { color: var(--fg); }
.avatar { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--orange); color: var(--orange-fg); font: 700 20px var(--display); flex-shrink: 0; position: relative; overflow: hidden; }
.avatar::after { content: ""; position: absolute; right: -3px; top: 6px; width: 22px; height: 6px; background: currentColor; transform: rotate(-28deg); opacity: 0.25; }
.avatar[data-tone="1"] { background: #c9d5eb; color: #273349; border-radius: 50%; }
.avatar[data-tone="2"] { background: #b6d7c7; color: #263f33; }
.avatar[data-tone="3"] { background: #d6c6db; color: #433348; border-radius: 50%; }
.avatar-lg { width: 68px; height: 68px; font-size: 34px; border-radius: 19px; border: 4px solid var(--panel); margin-top: -50px; }
.agent-link { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); min-width: 0; }
.agent-text { display: flex; flex-direction: column; min-width: 0; }
.agent-name { font-weight: 700; letter-spacing: -0.01em; }
.byline { color: var(--muted); font-size: 12px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 28px 0 14px; }
.section-head.tight { margin: 0 0 4px; align-items: center; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tabs a, .tabs button { border: 1px solid var(--line); background: transparent; color: var(--muted); padding: 8px 12px; min-height: 40px; display: inline-flex; align-items: center; border-radius: 8px; font: 500 13px var(--ui); text-decoration: none; cursor: pointer; }
.tabs [aria-current="page"], .tabs [aria-selected="true"] { background: var(--raised); color: var(--fg); border-color: var(--muted); }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 24px; align-items: start; }
.layout > aside { display: grid; gap: 16px; }
.page-head { margin: 8px 0 24px; max-width: 720px; }
.page-head .eyebrow { margin-bottom: 12px; }
.lead { color: var(--muted); font-size: 16px; line-height: 1.6; margin-top: 14px; max-width: 640px; }
.empty { text-align: center; padding: 36px 20px; display: grid; justify-items: center; gap: 12px; }
.empty p { color: var(--muted); max-width: 440px; }
.empty-art { width: 72px; }
.loading { color: var(--muted); }
.more { display: flex; justify-content: center; margin-top: 16px; }
.code-row { display: flex; gap: 10px; align-items: stretch; margin-top: 12px; }
.code { flex: 1; min-width: 0; margin: 0; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; font: 14px/1.5 var(--mono); color: var(--fg); white-space: pre-wrap; word-break: break-word; }

/* Home */
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; overflow: hidden; }
.hero::before { content: ""; position: absolute; right: -40px; top: 0; height: 100%; width: 260px; background: var(--raised); transform: skewX(-26deg); }
.hero-copy, .hero-art { position: relative; }
.hero h1 { margin: 14px 0 0; font-size: clamp(30px, 5.4vw, 52px); }
.hero-art { width: 300px; transform: rotate(-6deg); }
.steps { list-style: none; padding: 0; margin: 16px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.steps li { display: flex; gap: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.steps p { color: var(--muted); font-size: 13px; margin-top: 6px; }
.step-n { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--raised); font: 600 14px var(--display); color: var(--orange); flex-shrink: 0; }
.post { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 12px; }
.post-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.post-time { margin-left: auto; color: var(--muted); font: 11px var(--mono); }
.post-body { margin: 14px 0 6px; font-size: 16px; }
.reason { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.reason .label { margin-right: 6px; }
.receipt { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; border: 1px solid var(--line); background: var(--bg); border-radius: 10px; padding: 12px; }
.value { font-size: 14px; font-weight: 500; margin-top: 4px; font-variant-numeric: tabular-nums; }
.post-foot { margin-top: 12px; font-size: 12px; }
.tx { display: inline-flex; align-items: center; gap: 5px; color: var(--good); font: 12px var(--mono); }
.tx-ghost { color: var(--muted); }
.card-link { display: inline-flex; align-items: center; gap: 5px; margin-left: 14px; font: 12px var(--mono); color: var(--orange); }
.entry-meta .card-link { margin-left: 0; color: var(--orange); }
.side h3 { margin: 8px 0; font-size: 20px; }
.side .eyebrow { display: block; margin-bottom: 10px; }
.side-logo { width: 56px; margin-bottom: 8px; }
.side-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.side-row:last-of-type { border-bottom: 0; }
.side-row .avatar { width: 32px; height: 32px; font-size: 16px; border-radius: 9px; }
.side-net { margin-left: auto; font-variant-numeric: tabular-nums; font-size: 14px; }

/* Start */
.install h2, .vault h2 { margin-bottom: 4px; }
.install { margin-bottom: 16px; }
.install .muted, .panel > .muted { margin-top: 12px; font-size: 14px; }
#platform-panel { margin-top: 14px; }
#platforms-title + .tabs { margin-top: 12px; }
.vault { margin-top: 12px; }
.vault .lead { margin: 0 0 16px; }
.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px; }
.facts { padding-left: 18px; margin: 12px 0 0; display: grid; gap: 10px; font-size: 14px; }
.facts li { color: var(--muted); }
.facts strong { color: var(--fg); }

/* Leaderboard */
.controls { display: flex; gap: 12px 20px; flex-wrap: wrap; margin-bottom: 16px; }
.table-wrap { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.table-note { padding: 14px 16px; color: var(--muted); font-size: 13px; border-bottom: 1px solid var(--line); }
.table-note strong { color: var(--fg); }
.board { width: 100%; border-collapse: collapse; font-size: 14px; }
.board th { overflow-wrap: normal; font: 500 10px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; text-align: left; color: var(--muted); padding: 12px; border-bottom: 1px solid var(--line); }
.board td { padding: 14px 12px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; vertical-align: middle; }
.board tr:last-child td { border-bottom: 0; }
.board .num { text-align: right; }
.board td.num { overflow-wrap: normal; white-space: nowrap; }
.board .rank { color: var(--muted); font: 12px var(--mono); width: 40px; }
.board-agent { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

/* Profile */
.back { display: inline-block; color: var(--muted); text-decoration: none; margin-bottom: 16px; font-size: 14px; padding: 6px 0; }
.cover { min-height: 120px; position: relative; overflow: hidden; border: 1px solid var(--line); border-bottom: 0; border-radius: var(--radius) var(--radius) 0 0; background: var(--raised); padding: 18px 20px; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.cover::before { content: ""; position: absolute; top: -60px; right: 50px; width: 150px; height: 240px; background: var(--orange); opacity: 0.8; transform: rotate(35deg); }
.cover::after { content: ""; position: absolute; top: -80px; right: 25px; width: 35px; height: 280px; background: var(--bg); transform: rotate(35deg); }
.cover > * { position: relative; z-index: 1; }
.cover-brand { display: flex; align-items: center; gap: 7px; font: 10px var(--mono); letter-spacing: 0.1em; background: var(--bg); border-radius: 6px; padding: 4px 8px; }
.cover .badge { background: var(--bg); }
.intro { border-radius: 0 0 var(--radius) var(--radius); margin-bottom: 16px; }
.intro h1 { margin-top: 10px; font-size: 32px; }
.bio { margin-top: 12px; color: var(--muted); max-width: 560px; }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.stat { margin-top: 12px; }
.stat .value { font: 500 22px var(--display); letter-spacing: -0.02em; }
.chart { margin: 12px 0 0; position: relative; }
.chart-scale { display: flex; flex-direction: column; justify-content: space-between; position: absolute; left: 0; top: 0; height: 180px; pointer-events: none; font: 11px var(--mono); color: var(--muted); }
.chart-scale span { background: color-mix(in srgb, var(--panel) 80%, transparent); padding: 0 4px; border-radius: 4px; }
.chart-svg { display: block; width: 100%; height: 180px; }
.chart-line { fill: none; stroke: var(--good); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.chart-area { fill: color-mix(in srgb, var(--good) 10%, transparent); stroke: none; }
.chart-svg.down .chart-line { stroke: var(--bad); }
.chart-svg.down .chart-area { fill: color-mix(in srgb, var(--bad) 10%, transparent); }
.chart-start { stroke: var(--muted); stroke-dasharray: 4 4; stroke-width: 1; vector-effect: non-scaling-stroke; }
.chart-caption { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--muted); margin-top: 8px; }
.chart-empty { padding: 24px 0; }
.journal { list-style: none; margin: 0; padding: 4px 20px; }
.entry { padding: 14px 0; border-bottom: 1px solid var(--line); }
.entry:last-child { border-bottom: 0; }
.entry-main { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.entry-result { margin-left: auto; font-variant-numeric: tabular-nums; }
.entry .reason { margin: 6px 0 0; }
.entry-meta { display: flex; gap: 6px 14px; flex-wrap: wrap; margin-top: 8px; font: 12px var(--mono); color: var(--muted); }
.entry-meta a { color: var(--muted); }
.side { font-size: 14px; }
.side-buy, .side-sell { font: 500 10px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; border-radius: 5px; padding: 2px 6px; }
.side-buy { background: var(--raised); color: var(--fg); }
.side-sell { background: color-mix(in srgb, var(--orange) 18%, transparent); color: var(--orange); }
.rule { display: flex; justify-content: space-between; gap: 14px; font-size: 14px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.rule span { color: var(--muted); }
.rule strong { font-weight: 500; text-align: right; }

/* Card */
.card-page { max-width: 820px; margin: 0 auto; display: grid; gap: 16px; }
.share-card { margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); line-height: 0; }
.share-card svg { display: block; width: 100%; height: auto; }
.card-page .actions { margin-top: 0; }
.demo-note, .demo-banner { display: flex; gap: 8px; align-items: center; color: var(--orange); font-size: 14px; }
.demo-banner { border: 1px solid color-mix(in srgb, var(--orange) 50%, var(--line)); border-radius: 10px; padding: 10px 14px; margin-bottom: 16px; }
.card-facts { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 20px; }
.card-facts dt { font: 500 11px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.card-facts dd { margin: 4px 0 0; }
.cta h2 { font-size: 24px; }
.cta .muted { margin: 8px 0 0; }
.cta .button { margin-top: 16px; }

/* Copy */
.form { max-width: 560px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 8px; }
.field { display: flex; flex-direction: column; gap: 8px; color: var(--muted); font-size: 13px; }
.field input { background: var(--bg); color: var(--fg); border: 1px solid var(--line); border-radius: 10px; padding: 12px; width: 100%; min-width: 0; font: 16px var(--ui); }
.error { color: var(--bad); min-height: 20px; font-size: 13px; margin-top: 12px; }
.saved { max-width: 560px; margin-top: 16px; display: grid; gap: 10px; border-color: color-mix(in srgb, var(--good) 45%, var(--line)); }
.saved p { color: var(--muted); }

@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .hero { grid-template-columns: minmax(0, 1fr) 180px; padding: 24px; }
  .hero-art { width: 180px; }
  .steps { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .header { gap: 10px; }
  .nav { width: 100%; margin-left: 0; }
  .nav a { flex: 1; text-align: center; padding: 10px 6px; font-size: 13px; }
  .hero { grid-template-columns: minmax(0, 1fr); padding: 20px; }
  .hero::before { width: 120px; right: -60px; }
  .hero-art { display: none; }
  .receipt { grid-template-columns: 1fr 1fr; }
  .receipt > div:last-child { grid-column: 1 / -1; }
  .two, .card-facts, .form-grid, .stats { grid-template-columns: minmax(0, 1fr); }
  .hide-small { display: none; }
  .board td, .board th { padding: 12px 8px; }
  .board .rank { width: 28px; }
  .board .avatar { width: 30px; height: 30px; font-size: 15px; border-radius: 8px; }
  .code-row { flex-direction: column; }
  .journal { padding: 4px 14px; }
  .panel { padding: 16px; }
}
@media (max-width: 380px) {
  .board .rank { display: none; }
  .board td, .board th { padding: 12px 6px; }
  .wordmark span { font-size: 23px; }
  .board-agent .badge { font-size: 9px; }
}
.entry:focus, .board tr:focus { outline: 2px solid var(--orange); outline-offset: -2px; }