/*! 531™ · © 2026 JohnDavid Whalen. All rights reserved.
 * 531™, the 5·3·1 selection sequence and the 5·3·1 mark are trademarks of JohnDavid Whalen.
 * Proprietary. Unauthorized copying, modification or redistribution is prohibited. See legal.html.
 */
/* Layout: one narrow column, one decision per screen; a calçada-pattern band marks each handoff. */
:root{
  --bg:#f3f1ec; --surface:#fbfaf7; --ink:#14213a; --muted:#5d6577; --line:#d9d6ce;
  --accent:#1d4ea8; --accent-ink:#ffffff; --accent-soft:#e3eaf7; --good:#2f7a4f; --warn:#a4561b; --bad:#a63a3a;
  --display:"Young Serif", Georgia, serif; --body:"Figtree", system-ui, sans-serif; --mono:"IBM Plex Mono", ui-monospace, monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0f1524; --surface:#172036; --ink:#e9ecf3; --muted:#9aa3b8; --line:#2a3550;
  --accent:#7aa2ec; --accent-ink:#0d1424; --accent-soft:#1f2c4a; --good:#6cc493; --warn:#e3a46b; --bad:#ec8a8a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0f1524; --surface:#172036; --ink:#e9ecf3; --muted:#9aa3b8; --line:#2a3550;
  --accent:#7aa2ec; --accent-ink:#0d1424; --accent-soft:#1f2c4a; --good:#6cc493; --warn:#e3a46b; --bad:#ec8a8a; color-scheme:dark}
*{box-sizing:border-box}
html,body{background:var(--bg);color:var(--ink);margin:0}
body{font-family:var(--body);font-size:16px;line-height:1.5;padding-inline:16px;padding-block:calc(20px + env(safe-area-inset-top,0px)) 48px}
[hidden]{display:none!important}
.wrap{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:24px}
header.top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.logo{font-family:var(--display);font-size:44px;line-height:1;letter-spacing:-.02em}
.logo span{color:var(--accent)}
.logo sup.tm{font-family:var(--body);font-size:12px;vertical-align:top;margin-left:2px;color:var(--muted)}
.logo small{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);margin-left:8px}
.steps{display:flex;gap:6px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.steps b{display:inline-grid;place-items:center;width:28px;height:28px;border:1px solid var(--line);border-radius:50%;font-weight:500}
.steps b.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.steps b.done{border-color:var(--accent);color:var(--accent)}
.band{height:14px;border-radius:2px;background:repeating-linear-gradient(135deg,var(--ink) 0 6px,transparent 6px 12px),repeating-linear-gradient(45deg,var(--ink) 0 6px,transparent 6px 12px);opacity:.14}
h1{font-family:var(--display);font-weight:400;font-size:30px;line-height:1.15;margin:0;text-wrap:balance}
.lede{color:var(--muted);margin:6px 0 0;max-width:60ch}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
fieldset{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;min-width:0}
legend{font-weight:600;margin-bottom:10px;padding:0}
.row{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:inherit;font-size:15px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:9px 14px;border-radius:999px;cursor:pointer;display:inline-flex;gap:8px;align-items:center}
.chip small{font-family:var(--mono);font-size:11px;color:var(--muted)}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.chip[aria-pressed="true"] small{color:inherit;opacity:.8}
.chip:disabled{opacity:.4;cursor:not-allowed}
.chip:focus-visible,.btn:focus-visible,input:focus-visible,.tile:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.tile{font:inherit;text-align:left;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;padding:12px 14px;cursor:pointer;display:flex;flex-direction:column;gap:2px;min-width:0}
.tile strong{font-weight:600}
.tile small{font-family:var(--mono);font-size:11px;color:var(--muted)}
.tile[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent)}
.tile:disabled{opacity:.35;cursor:not-allowed}
.tile.big{padding:18px;font-size:18px}
.other{display:flex;gap:8px;align-items:center;border:1px dashed var(--line);border-radius:10px;padding:10px 12px;background:var(--surface)}
.other input{flex:1;min-width:0;font:inherit;border:0;background:transparent;color:var(--ink);padding:4px}
.other label{font-family:var(--mono);font-size:12px;color:var(--muted)}
.bar{position:sticky;bottom:0;padding-block:12px calc(12px + env(safe-area-inset-bottom,0px));background:linear-gradient(to top,var(--bg) 70%,transparent);display:flex;gap:12px;align-items:center;justify-content:space-between}
.count{font-family:var(--mono);font-size:13px;color:var(--muted)}
.btn{font:inherit;font-weight:600;border:0;border-radius:999px;padding:13px 22px;background:var(--accent);color:var(--accent-ink);cursor:pointer}
.btn:disabled{opacity:.35;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.handoff{display:flex;flex-direction:column;gap:18px;align-items:flex-start;padding-block:40px}
.handoff .who{font-family:var(--display);font-size:40px;line-height:1.1}
.picked{display:flex;flex-wrap:wrap;gap:6px}
.picked span{font-size:13px;border:1px solid var(--line);border-radius:999px;padding:4px 10px;color:var(--muted)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:14px}
.card .name{font-family:var(--display);font-size:34px;line-height:1.1;margin:0;text-wrap:balance}
.meta{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:15px}
.meta dt{font-family:var(--mono);font-size:12px;color:var(--muted);padding-top:2px}
.meta dd{margin:0;min-width:0;overflow-wrap:anywhere}
.pill{display:inline-block;font-size:12px;font-weight:600;border-radius:999px;padding:3px 10px;background:var(--accent-soft);color:var(--accent)}
.pill.good{color:var(--good)}.pill.warn{color:var(--warn)}
.links{display:flex;flex-wrap:wrap;gap:8px}
.links a{font-size:14px;font-weight:600;color:var(--accent);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:8px 14px}
.trail{font-family:var(--mono);font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:4px}
.note{font-size:13px;color:var(--muted)}
.err{font-size:14px;color:var(--bad)}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
input[type=text].in,input[type=password].in{font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;padding:10px 12px;width:100%}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:420px){.two{grid-template-columns:1fr}}
details{border-top:1px solid var(--line);padding-top:14px}
summary{cursor:pointer;font-weight:600}
.legal{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;display:flex;flex-direction:column;gap:6px}
.legal p{margin:0}.legal a{color:var(--muted)}
.status{font-family:var(--mono);font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}
.dot{width:8px;height:8px;border-radius:50%;background:var(--line)}
.dot.ok{background:var(--good)}.dot.busy{background:var(--warn)}
@media (prefers-reduced-motion:no-preference){.screen{animation:in .25s ease-out}@keyframes in{from{transform:translateY(6px)}to{transform:none}}}

/* legal page */
.doc{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:22px}
.doc h1{font-size:28px}.doc h2{font-family:var(--display);font-weight:400;font-size:20px;margin:8px 0 0}
.doc p,.doc li{font-size:15px;max-width:65ch}.doc ul{padding-left:20px;margin:0}
.doc a{color:var(--accent)}
.logo.plain{text-decoration:none;color:inherit}
.stack{display:flex;flex-direction:column;gap:20px}.stack.wide{gap:26px}.band.full{width:100%}.offers{margin:0}