:root {
  --bg: #ffffff; --surface: #f2f4f6; --card: #ffffff; --text: #191f28; --sub: #4e5968; --muted: #6b7684;
  --line: #e5e8eb; --blue: #3182f6; --blue-ink: #1b64da; --blue-soft: #e8f3ff;
  --ok: #0a7d4b; --ok-soft: #e5f6ee; --warn: #9a5b00; --warn-soft: #fff5d6; --no: #d22030; --no-soft: #ffeef0;
  --radius: 16px; --shadow: 0 2px 8px rgba(0, 0, 0, .06);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #101318; --surface: #1b1f26; --card: #1b1f26; --text: #f2f4f6; --sub: #c1c7cf; --muted: #9aa3ad;
    --line: #2c323b; --blue: #4b91f7; --blue-ink: #8ab8ff; --blue-soft: #1a2a42; --ok: #4cd18d; --ok-soft: #12291f;
    --warn: #f3c04f; --warn-soft: #2e2611; --no: #ff6b78; --no-soft: #33161a; --shadow: none; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Segoe UI", Roboto, "Noto Sans", "Noto Sans Devanagari", sans-serif;
  -webkit-text-size-adjust: 100%; padding-bottom: 104px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.top { max-width: 560px; margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.brand { white-space: nowrap; flex-shrink: 0; display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); text-decoration: none; font-size: 17px; }
.logo { width: 28px; height: 28px; border-radius: 8px; background: var(--blue); color: #fff; display: grid; place-items: center; font-size: 15px; }
.top-actions { display: flex; align-items: center; gap: 8px; }
select, input, textarea { font: inherit; color: var(--text); background: var(--surface); border: 1.5px solid transparent; border-radius: 12px; }
#lang { padding: 6px 8px; font-size: 13px; }
main { max-width: 560px; margin: 0 auto; padding: 8px 16px 24px; }
h1 { font-size: 26px; line-height: 1.3; margin: 16px 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 22px; line-height: 1.35; margin: 0 0 8px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 0 0 12px; }
p { margin: 0 0 8px; }
.sub { color: var(--sub); font-size: 16px; }
.caption { color: var(--muted); font-size: 13px; }
.section { margin-top: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.card + .card { margin-top: 24px; }
.stack > * + * { margin-top: 12px; }
.row { display: flex; gap: 8px; }
.row > * { flex: 1; min-width: 0; }
.field { display: block; margin-top: 16px; }
.field > span { display: block; font-size: 13px; color: var(--sub); margin-bottom: 6px; font-weight: 600; }
.field input, .field select, textarea { width: 100%; padding: 14px; font-size: 17px; }
.field input, .field select { height: 56px; }
.field input:focus, .field select:focus, textarea:focus { outline: none; border-color: var(--blue); background: var(--card); }
.field.unconfirmed input, .field.unconfirmed select { background: var(--warn-soft); border-color: var(--warn); }
.machine { margin-top: 6px; font-size: 13px; color: var(--warn); font-weight: 600; }
.nw { white-space: nowrap; }
.banner { flex-wrap: wrap; background: var(--warn-soft); color: var(--text); border-radius: 12px; padding: 12px 14px; margin-top: 16px; display: flex; gap: 12px; align-items: center; justify-content: space-between; font-size: 14px; }
.banner p { margin: 0; }
.banner .btn { flex-shrink: 0; }
.banner-btns { display: flex; flex-wrap: wrap; gap: 8px; flex: 1 1 auto; }
.banner-btns .btn { flex: 1 1 auto; white-space: normal; text-align: center; }
.warn-ink { color: var(--no); }
.good-ink { color: var(--ok); }
.good-ink:empty { display: none; }
.btn.ghost { background: transparent; color: var(--blue-ink); border: 1.5px solid var(--line); min-height: 48px; font-size: 16px; }
.quotes tr.you td { font-weight: 700; color: var(--blue-ink); }
#ask-text { min-height: 220px; font-size: 14px; margin-top: 8px; width: 100%; padding: 12px; }
.hint { font-size: 13px; color: var(--muted); margin-top: 6px; }
textarea { min-height: 180px; resize: vertical; }
.btn { appearance: none; border: 0; border-radius: 14px; font: inherit; font-weight: 700; cursor: pointer; min-height: 52px; padding: 0 18px; font-size: 17px; }
.btn.primary { background: var(--blue); color: #fff; }
.btn.primary:disabled { opacity: .45; cursor: default; }
.btn.secondary { background: var(--blue-soft); color: var(--blue-ink); }
.btn.small { min-height: 34px; font-size: 14px; padding: 0 12px; border-radius: 10px; }
.btn.block { width: 100%; }
.link { white-space: nowrap; background: none; border: 0; color: var(--blue-ink); font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; padding: 6px 4px; }
.cta { position: fixed; left: 0; right: 0; bottom: 0; padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); background: linear-gradient(to top, var(--bg) 70%, transparent); }
.cta-inner { max-width: 528px; margin: 0 auto; display: flex; gap: 8px; }
.cta-inner .btn { flex: 1; }
.cta-inner .btn.back { flex: 0 0 auto; }
.samples { display: grid; gap: 12px; }
.sample { text-align: left; width: 100%; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; cursor: pointer; font: inherit; color: var(--text); }
.sample:hover { border-color: var(--blue); }
.sample b { display: block; font-size: 16px; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 13px; font-weight: 700; background: var(--blue-soft); color: var(--blue-ink); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.alt-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.big { font-size: clamp(26px, 7.4vw, 34px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.2; margin: 4px 0 8px; word-break: break-word; }
.big.ok { color: var(--ok); }
.verdict { font-size: 17px; font-weight: 600; }
.bar { display: flex; height: 14px; border-radius: 999px; overflow: hidden; background: var(--surface); margin: 16px 0 8px; }
.bar i { display: block; height: 100%; }
.bar .fee { background: var(--muted); }
.bar .hidden { background: var(--no); }
.legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--sub); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.bench { display: grid; gap: 10px; }
.bench-row { display: grid; grid-template-columns: minmax(0, 9.5em) 1fr 8.2em; gap: 8px; align-items: center; font-size: 14px; }
.bench-row .lab { color: var(--sub); overflow-wrap: anywhere; }
.bench-row .track { height: 10px; background: var(--surface); border-radius: 999px; overflow: hidden; }
.bench-row .track i { display: block; height: 100%; background: var(--muted); border-radius: 999px; }
.bench-row.you .track i { background: var(--blue); }
.bench-row.you .lab { color: var(--text); font-weight: 700; }
.bench-row .val { font-variant-numeric: tabular-nums; font-weight: 600; }
.quotes { width: 100%; border-collapse: collapse; font-size: 14px; }
.quotes td { padding: 8px 0; border-bottom: 1px solid var(--line); }
.quotes td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.inline-input { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.inline-input input { flex: 1; padding: 12px; font-size: 16px; min-width: 0; }
details { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 16px; }
summary { cursor: pointer; font-weight: 700; color: var(--blue-ink); }
.src { font-size: 13px; color: var(--sub); }
.src li { margin: 4px 0; overflow-wrap: anywhere; }
.src a { color: var(--blue-ink); }
.err { background: var(--no-soft); color: var(--no); border-radius: 12px; padding: 12px 14px; font-weight: 600; margin-top: 16px; }
.note { background: var(--surface); border-radius: 12px; padding: 12px 14px; font-size: 14px; color: var(--sub); }
.skeleton { border-radius: var(--radius); background: linear-gradient(90deg, var(--surface) 0%, var(--line) 50%, var(--surface) 100%); background-size: 200% 100%; animation: sk 1.2s infinite; }
@keyframes sk { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.ledger-item { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.ledger-item b { display: block; }
footer.foot { max-width: 560px; margin: 0 auto; padding: 0 16px 24px; }
.progress { height: 6px; background: var(--surface); border-radius: 999px; overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--blue); width: 0; transition: width .2s; }
@media (min-width: 900px) { h1 { font-size: 32px; } .big { font-size: 40px; } }