/* ORBQ-520 — /demo.
   Palette and type inherited from features.html so the demo reads as the same
   product as the marketing site, not a detached prototype. Deliberately plain:
   the argument on this page is the arithmetic, and decoration around it reads
   as compensation. */
:root{
  --bg:#F7FAFC; --surface:#FFFFFF; --surface-2:#EEF4F4; --line:#DCE4EA;
  --ink:#0B1F1C; --muted:#44555E; --faint:#5E7079;
  --brand:#0D9488; --brand-deep:#0B7A70; --accent:#B45309; --accent-bright:#D97706;
  --sky:#2563EB; --good:#15803D; --bad:#B23B3B;
  --maxw:1120px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
h1,h2,h3{font-family:'Space Grotesk','SG Fallback',var(--sans);letter-spacing:-0.02em;line-height:1.15}
.mono{font-family:'Space Mono','SM Fallback',ui-monospace,monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.2rem;width:100%}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px;border-radius:6px}

/* ── demo banner. First thing on the page and first thing in the DOM, because
      a reader who mistakes fabricated data for their own is worse off than a
      reader who never saw the demo. ── */
.demo-bar{background:var(--ink);color:#EAF3F1;font-size:0.86rem;padding:0.55rem 0}
.demo-bar .wrap{display:flex;gap:0.75rem;align-items:center;flex-wrap:wrap;justify-content:space-between}
.demo-bar b{color:#fff}
.demo-bar a{color:#5EEAD4;text-decoration:underline;text-underline-offset:3px}

header.top{background:var(--surface);border-bottom:1px solid var(--line);padding:0.9rem 0}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:0.55rem;font-weight:700}
.brand img{width:26px;height:26px}
.top-cta{background:var(--brand);color:#fff;padding:0.5rem 0.95rem;border-radius:8px;font-weight:600;font-size:0.9rem;text-decoration:none}
.top-cta:hover{background:var(--brand-deep)}

.lede{padding:2rem 0 0.5rem}
.lede h1{font-size:clamp(1.5rem,3.4vw,2.1rem)}
.lede p{color:var(--muted);max-width:62ch;margin-top:0.5rem}

/* ── currency lens ── */
.lens{display:flex;gap:0.5rem;align-items:center;flex-wrap:wrap;margin:1.4rem 0 0.4rem}
.lens-label{font-family:'Space Mono','SM Fallback',ui-monospace,monospace;font-size:0.68rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--faint)}
.lens-btns{display:inline-flex;gap:0.2rem;padding:0.25rem;border:1px solid var(--line);border-radius:999px;background:var(--surface)}
.lens-btns button{border:0;background:transparent;color:var(--muted);font:inherit;font-size:0.86rem;font-weight:600;padding:0.4rem 0.9rem;border-radius:999px;cursor:pointer}
.lens-btns button[aria-pressed="true"]{background:var(--brand);color:#fff}
.lens-note{font-size:0.83rem;color:var(--faint);margin:0.35rem 0 0}

/* ── kpi strip ── */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0.8rem;margin:1.2rem 0 0.4rem}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0.9rem 1rem}
.kpi .k-label{font-family:'Space Mono','SM Fallback',ui-monospace,monospace;font-size:0.64rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint)}
.kpi .k-val{font-size:1.22rem;font-weight:700;margin-top:0.25rem;font-variant-numeric:tabular-nums}
.kpi .k-sub{font-size:0.78rem;color:var(--muted);margin-top:0.15rem}
.kpi.pos .k-val{color:var(--good)} .kpi.neg .k-val{color:var(--bad)}

section.blk{margin:2.4rem 0}
section.blk > h2{font-size:1.15rem;margin-bottom:0.15rem}
section.blk > .sub{color:var(--muted);font-size:0.9rem;margin-bottom:0.9rem}

/* ── transactions ── */
.txn-wrap{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.txn-head,.txn{display:grid;grid-template-columns:88px 1fr 130px 120px;gap:0.6rem;align-items:center;padding:0.6rem 0.9rem}
/* CSP for /demo/* forbids inline styles, so alignment is a class. */
.ta-r{text-align:right}
.txn-head{background:var(--surface-2);font-family:'Space Mono','SM Fallback',ui-monospace,monospace;font-size:0.64rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--faint);border-bottom:1px solid var(--line)}
.txn{border-bottom:1px solid var(--line);font-size:0.9rem}
.txn:last-child{border-bottom:0}
.txn .t-desc{min-width:0;overflow-wrap:anywhere}
.txn .t-meta{display:block;color:var(--faint);font-size:0.78rem}
.txn .t-amt{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.txn .t-amt.in{color:var(--good)}
.txn .t-orig{text-align:right;font-size:0.78rem;color:var(--faint);font-variant-numeric:tabular-nums}
.tag{display:inline-block;font-size:0.66rem;font-weight:700;letter-spacing:0.06em;padding:0.08rem 0.36rem;border-radius:5px;margin-left:0.35rem;vertical-align:1px}
.tag-xb{background:#DBEAFE;color:#1D4ED8}
.tag-code{background:#FEF3C7;color:#92400E}
.txn-more{padding:0.7rem 0.9rem;font-size:0.84rem;color:var(--faint);background:var(--surface-2)}
@media(max-width:720px){
  .txn-head{display:none}
  .txn{grid-template-columns:1fr auto;row-gap:0.15rem}
  .txn .t-date{grid-column:1;font-size:0.76rem;color:var(--faint)}
  .txn .t-desc{grid-column:1}
  .txn .t-amt{grid-column:2;grid-row:1 / span 2}
  .txn .t-orig{grid-column:2}
}

/* ── transfer inbox ── */
.inbox{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:0.8rem}
.remit{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:1rem}
.remit .r-top{display:flex;justify-content:space-between;align-items:baseline;gap:0.5rem}
.remit .r-leg{font-weight:700;font-variant-numeric:tabular-nums}
.remit .r-arrow{color:var(--faint)}
.remit dl{display:grid;grid-template-columns:auto 1fr;gap:0.15rem 0.7rem;margin-top:0.7rem;font-size:0.84rem}
.remit dt{color:var(--faint)}
.remit dd{text-align:right;font-variant-numeric:tabular-nums}
.remit .cost{color:var(--accent);font-weight:700}

/* ── assistant ── */
.chips{display:flex;flex-wrap:wrap;gap:0.45rem}
.chips button{font:inherit;font-size:0.87rem;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:0.42rem 0.85rem;cursor:pointer;color:var(--ink)}
.chips button:hover{border-color:var(--brand);color:var(--brand-deep)}
.chips button[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:#fff}
.chips button.roast[aria-pressed="true"]{background:var(--accent-bright);border-color:var(--accent-bright)}
.answer{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:10px;padding:1rem 1.1rem;margin-top:0.9rem}
.answer.roast{border-left-color:var(--accent-bright)}
.answer p{margin:0}
.answer .a-src{margin-top:0.7rem;font-size:0.76rem;color:var(--faint)}

/* ── shareable roast card preview ── */
.card-preview{display:block;width:100%;height:auto;max-width:760px;border:1px solid var(--line);border-radius:12px;box-shadow:0 6px 24px rgba(11,31,28,0.07)}
.card-dl{font-size:0.86rem;color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}

/* ── locked (write) controls ──
   NOT the `disabled` attribute: a disabled button is removed from the tab order,
   and a control a keyboard user cannot reach cannot explain itself. These stay
   focusable, announce aria-disabled, and say why on focus as well as hover. */
.locked{position:relative;font:inherit;font-size:0.86rem;background:var(--surface-2);border:1px dashed var(--line);border-radius:8px;padding:0.42rem 0.8rem;color:var(--faint);cursor:not-allowed}
.locked::after{content:attr(data-locked-msg);position:absolute;left:50%;bottom:calc(100% + 8px);transform:translateX(-50%);background:var(--ink);color:#fff;font-size:0.76rem;white-space:nowrap;padding:0.3rem 0.55rem;border-radius:6px;opacity:0;pointer-events:none;transition:opacity .12s}
.locked:hover::after,.locked:focus-visible::after,.locked.show-tip::after{opacity:1}
.locked-row{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:0.9rem;align-items:center}
.locked-row .why{font-size:0.82rem;color:var(--faint)}

.cta{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:3rem;padding:2.4rem 0;text-align:center}
.cta h2{font-size:1.4rem}
.cta p{color:var(--muted);margin:0.5rem auto 1.2rem;max-width:52ch}
.cta .btn{display:inline-block;background:var(--brand);color:#fff;padding:0.7rem 1.3rem;border-radius:10px;font-weight:700;text-decoration:none}
.cta .btn:hover{background:var(--brand-deep)}

footer{padding:2rem 0 3rem;font-size:0.85rem;color:var(--faint)}
footer a{text-decoration:underline;text-underline-offset:3px}
.foot-links{display:flex;flex-wrap:wrap;gap:0.5rem 0.9rem;margin-bottom:0.8rem}

@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}