/* Kizuna site tokens + header (mirrors kizuna.trading so the page feels like part of the site). */
:root {
  --bg: #f6f3ff; --bg-2: #ffffff; --panel: #ffffff; --ink: #1d1636; --fg: #241b45;
  --muted: #6a6191; --faint: #9a92bd; --line: #e7e2f6;
  --green: #35c47a; --gold: #ffcb45; --red: #ff5d6c;
  --fire: #e5352a; --fire-soft: rgba(229,53,42,.12);
  --leaf: #1ba055; --leaf-soft: rgba(27,160,85,.12);
  --accent: #e5352a; --accent-soft: rgba(229,53,42,.12);
  --font: "Segoe UI Variable","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono: ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --maxw: 880px;
  --gut: clamp(16px,5vw,48px);
  --shadow: 0 24px 60px -30px rgba(40,20,90,.45);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #120e2b; --bg-2: #1a1440; --panel: #1e1748; --ink: #f3efff; --fg: #efeaff;
    --muted: #b9b0e0; --faint: #7d75ab; --line: #2c2560;
    --green: #54dd94; --gold: #ffd25e; --red: #ff6f7d;
    --fire: #ff5a4a; --fire-soft: rgba(255,90,74,.17); --leaf: #39cf7c; --leaf-soft: rgba(57,207,124,.16);
    --accent: #ff5a4a; --accent-soft: rgba(255,90,74,.17);
    --shadow: 0 30px 70px -34px rgba(0,0,0,.7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #120e2b; --bg-2: #1a1440; --panel: #1e1748; --ink: #f3efff; --fg: #efeaff;
  --muted: #b9b0e0; --faint: #7d75ab; --line: #2c2560;
  --green: #54dd94; --gold: #ffd25e; --red: #ff6f7d;
  --fire: #ff5a4a; --fire-soft: rgba(255,90,74,.17); --leaf: #39cf7c; --leaf-soft: rgba(57,207,124,.16);
  --accent: #ff5a4a; --accent-soft: rgba(255,90,74,.17);
  --shadow: 0 30px 70px -34px rgba(0,0,0,.7);
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font);
  font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }

header.bar {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
header.bar .wrap { max-width: 1160px; }
.bar-in { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); font-weight: 800; font-size: 19px; letter-spacing: -.02em; }
.brand .orb { width: 24px; height: 24px; }
.brand .tag {
  font-family: var(--mono); font-size: 9px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--faint); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; font-weight: 600;
}
.brand .tag-link { color: var(--accent); border-color: var(--accent-soft); background: var(--accent-soft); }
nav.links { display: flex; align-items: center; gap: 26px; }
nav.links a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: 14.5px; transition: color .15s; }
nav.links a:hover { color: var(--fg); }
@media (max-width: 820px) { nav.links a:not(.hdr-buy):not(.hdr-account) { display: none; } nav.links { gap: 10px; } }
@media (max-width: 420px) { .hdr-account { display: none !important; } .brand .tag:not(.tag-link) { display: none; } }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px; text-decoration: none; cursor: pointer;
  font: inherit; font-weight: 700; font-size: 15px; border: 0; border-radius: 999px; padding: 12px 24px;
  transition: transform .18s cubic-bezier(.2,.9,.3,1.3), box-shadow .18s, filter .18s, opacity .18s;
}
.btn-primary { background: linear-gradient(120deg, var(--fire), #ff7a2d); color: #fff; box-shadow: 0 12px 26px -14px rgba(229,53,42,.8); }
.btn-primary:hover:not(:disabled) { transform: translateY(-2px) scale(1.02); filter: saturate(1.1); }
.btn-ghost { background: transparent; color: var(--fg); border: 1.5px solid var(--line); }
.btn-ghost:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
nav.links .btn-primary { color: #fff; }

/* Hero */
.hero { padding: 48px 0 20px; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin: 0 0 8px; font-weight: 700; }
.hero h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.05; letter-spacing: -.03em; margin: 0 0 14px; font-weight: 800; color: var(--ink); }
.grad { background: linear-gradient(100deg, #e5352a, #ff8a2d 45%, #1ba055); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: 18px; color: var(--muted); max-width: 620px; margin: 0 0 14px; }
.pill-note { display: inline-block; font-size: 13px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; margin: 0; }
.alert { border: 1.5px solid var(--red); color: var(--fg); background: color-mix(in srgb, var(--red) 10%, transparent); border-radius: 18px; padding: 14px 18px; }

/* Steps: a vertical checklist; the active step opens. */
.steps { list-style: none; margin: 24px 0 0; padding: 0; position: relative; }
.step { position: relative; padding-left: 44px; padding-bottom: 14px; }
.step::before { content: ""; position: absolute; left: 13px; top: 30px; bottom: 0; width: 2px; background: var(--line); }
.step:last-child::before { display: none; }
.step-head { display: flex; align-items: center; gap: 12px; min-height: 30px; flex-wrap: wrap; }
.step-head h2 { font-size: 18px; margin: 0; letter-spacing: -.01em; color: var(--muted); font-weight: 700; }
.dot {
  position: absolute; left: 0; top: 0; width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid var(--line); background: var(--bg); display: grid; place-items: center;
  font-size: 14px; font-weight: 800; color: #fff;
}
.step-sum { font-size: 14px; color: var(--muted); }
.step-body { display: none; margin-top: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 24px; padding: 20px; box-shadow: var(--shadow); }
.step.active .step-body { display: block; animation: rise .28s cubic-bezier(.2,.9,.3,1.2); }
.step.active .step-head h2, .step.done .step-head h2 { color: var(--fg); }
.step.active .dot { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 6px var(--accent-soft); }
.step.done .dot { border-color: var(--leaf); background: var(--leaf); }
.step.done .dot::after { content: "✓"; }
.step.done::before { background: var(--leaf); }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .step.active .step-body { animation: none; } .btn { transition: none; } }

.hint { color: var(--muted); margin: 0 0 12px; font-size: 15px; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.msg { font-size: 14.5px; color: var(--muted); }
.msg.error { color: var(--red); }
.checks { margin: 0 0 16px; padding-left: 20px; color: var(--muted); }
.checks li { margin: 4px 0; }

/* Game cards */
.games { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.game {
  text-align: left; font: inherit; color: var(--fg); cursor: pointer; position: relative;
  background: var(--bg-2); border: 1.5px solid var(--line); border-radius: 18px; padding: 14px 16px;
  transition: border-color .15s, transform .18s cubic-bezier(.2,.9,.3,1.3);
}
.game:hover:not(:disabled) { border-color: var(--accent); transform: translateY(-2px); }
.game[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); }
.game:disabled { cursor: not-allowed; opacity: .55; }
.game .g-label { display: block; font-weight: 800; font-size: 17px; }
.game .g-detail { display: block; font-size: 14px; color: var(--accent); font-weight: 700; }
.game:disabled .g-detail { color: var(--muted); }
.game .g-games { display: block; font-size: 13px; color: var(--muted); margin-top: 6px; line-height: 1.4; }
.game .soon {
  position: absolute; top: 12px; right: 12px; font-family: var(--mono); font-size: 10px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px;
}

/* Room */
.room-choice { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: stretch; }
.room-card { background: var(--bg-2); border: 1px solid var(--line); border-radius: 18px; padding: 16px; margin: 0; }
.room-card h3 { margin: 0 0 4px; font-size: 16px; }
.or { align-self: center; color: var(--faint); font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
@media (max-width: 640px) { .room-choice { grid-template-columns: 1fr; } .or { justify-self: center; } }
input {
  font: 600 16px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--fg);
  background: var(--panel); border: 1.5px solid var(--line); border-radius: 999px; padding: 10px 16px; width: 150px;
}
input:focus { outline: none; border-color: var(--accent); }
.code-box { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 12px; }
.code-label { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.code { font: 800 clamp(30px, 7vw, 42px) var(--mono); letter-spacing: .06em; color: var(--ink); }
.live { font-weight: 600; }
.live::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--gold); margin-right: 8px; vertical-align: 1px; animation: pulse 1.4s infinite; }
.live.ok::before { background: var(--green); animation: none; }
@keyframes pulse { 50% { opacity: .35; } }
.session-actions { margin: 4px 0 0 44px; }

/* Diagnostics */
.diag { margin: 28px 0 0; border-top: 1px solid var(--line); padding-top: 12px; }
.diag summary { cursor: pointer; color: var(--muted); font-size: 14px; }
.diag-row { margin: 10px 0; }
.diag-bench { font-size: 14px; color: var(--muted); }
#log {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 14px; height: 220px; overflow: auto;
  padding: 8px 12px; font: 12px/1.5 var(--mono); white-space: pre-wrap; word-break: break-all; color: var(--muted);
}
.foot { color: var(--faint); font-size: 13px; padding-top: 24px; padding-bottom: 40px; }

[hidden] { display: none !important; }
[data-step="game"].done .step-head { cursor: pointer; }
[data-step="game"].done .step-sum::after { content: " · change"; color: var(--accent); }
.setup { background: var(--bg-2); border: 1px solid var(--line); border-radius: 18px; padding: 12px 16px; margin-bottom: 16px; }
.setup summary { cursor: pointer; font-weight: 700; color: var(--fg); }
.setup[open] summary { margin-bottom: 10px; }
.setup-steps { margin: 0; padding-left: 20px; display: grid; gap: 10px; font-size: 15px; }
.setup a, .checks a { color: var(--accent); font-weight: 600; }
.setup code { font: 13px var(--mono); background: var(--accent-soft); border-radius: 6px; padding: 1px 6px; }
.quiet-link { font-size: 14px; color: var(--muted); }
.quiet-link:hover { color: var(--accent); }
#device-msg { margin: 10px 0 0; }
nav.links a.nav-active { color: var(--fg); }
.nav-new {
  font-family: var(--mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; font-weight: 700;
  color: #fff; background: linear-gradient(120deg, var(--fire), #ff7a2d); border-radius: 999px; padding: 1px 6px; margin-left: 4px; vertical-align: 2px;
}
@media (max-width: 820px) { nav.links a.nav-active { display: inline-flex !important; align-items: center; } }
@media (max-width: 420px) { nav.links a.nav-active { display: none !important; } }
.hero-badges { gap: 8px; }
.compat {
  display: inline-flex; align-items: center; font-size: 13px; font-weight: 700; color: var(--leaf);
  background: var(--leaf-soft); border: 1px solid color-mix(in srgb, var(--leaf) 35%, transparent); border-radius: 999px; padding: 3px 12px;
}
nav.links a { white-space: nowrap; }
@media (max-width: 1060px) { nav.links { gap: 16px; } nav.links a[href$="#app"], nav.links a[href$="#faq"] { display: none; } }
nav.links a.hdr-gbl { font-size: 12.5px; font-weight: 600; color: var(--faint); border-left: 1px solid var(--line); padding-left: 18px; margin-left: -8px; }
nav.links a.hdr-gbl:hover, nav.links a.hdr-gbl[aria-current="page"] { color: var(--accent); }