:root {
  --bg: #f4f6f3; --surface: #ffffff; --ink: #18211d; --muted: #5a665f; --rule: #d7ded9;
  --accent: #1f6b50; --accent-ink: #ffffff; --accent-soft: #e2efe8; --user: #e8eef8; --user-ink: #1d2a44;
  --warn: #9a5b00; --warn-soft: #f7ecd9; --bad: #a3322a;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Devanagari", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --bg: #111614; --surface: #1a211e; --ink: #e5ece8; --muted: #9aa8a0; --rule: #2d3733;
    --accent: #5dbb94; --accent-ink: #0f1a15; --accent-soft: #1d2d26; --user: #1f2a3c; --user-ink: #dbe4f5;
    --warn: #e0a24b; --warn-soft: #33291a; --bad: #ef8a80; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { overflow-x: hidden; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--sans); }
.shell { max-width: 720px; margin: 0 auto; padding: 12px 16px 24px; display: flex; flex-direction: column; gap: 12px; min-height: 100vh; }
.top { display: flex; justify-content: space-between; align-items: center; }
.brand { display: flex; gap: 10px; align-items: center; }
.mark { width: 34px; height: 34px; border-radius: 8px; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-weight: 700; }
.name { font-weight: 600; }
.sub { font-size: 12px; color: var(--warn); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.banner { margin: 0; font-size: 13px; background: var(--warn-soft); border-radius: 8px; padding: 8px 12px; }
.gate { background: var(--surface); border: 1px solid var(--rule); border-radius: 10px; padding: 16px; display: grid; gap: 8px; }
.gate label { font-weight: 600; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.row > * { min-width: 0; }
.row > input, .row > select { flex: 1 1 180px; min-width: 0; max-width: 100%; }
select { max-width: 100%; }
input, select, textarea { font: inherit; padding: 9px 11px; border: 1px solid var(--rule); border-radius: 8px; background: var(--surface); color: var(--ink); }
button { font: inherit; padding: 9px 14px; border-radius: 8px; border: 1px solid var(--rule); background: var(--surface); color: var(--ink); cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button:disabled { opacity: .55; cursor: default; }
.linkish { border: none; background: none; color: var(--accent); padding: 4px; text-decoration: underline; }
.error { margin: 0; color: var(--bad); font-size: 14px; }

.chat { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.bot, .user { max-width: 88%; padding: 10px 13px; border-radius: 12px; }
.bot { align-self: flex-start; background: var(--surface); border: 1px solid var(--rule); border-top-left-radius: 4px; }
.bot .hint { color: var(--muted); font-size: 13px; margin-top: 2px; }
.user { align-self: flex-end; background: var(--user); color: var(--user-ink); border-top-right-radius: 4px; }
.understood { align-self: flex-end; font-size: 12px; color: var(--muted); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.badge { font-size: 11px; font-weight: 600; letter-spacing: .03em; border-radius: 999px; padding: 2px 8px; background: var(--accent-soft); color: var(--accent); }
.badge.clarify { background: var(--warn-soft); color: var(--warn); }
.fix { align-self: flex-end; width: min(100%, 520px); background: var(--surface); border: 1px dashed var(--rule); border-radius: 10px; padding: 10px; display: grid; gap: 8px; font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 7px 11px; border-radius: 999px; font-size: 14px; }
.chip[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.chip.guess { border-color: var(--warn); }

.composer { position: sticky; bottom: 0; background: var(--bg); padding-top: 8px; border-top: 1px solid var(--rule); display: grid; gap: 8px; }
.choices { display: grid; gap: 6px; }
.opt { text-align: left; display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; align-items: start; }
.opt .emoji { grid-row: span 2; font-size: 18px; line-height: 1.3; }
.opt .label { font-weight: 600; }
.opt .ex { font-size: 13px; color: var(--muted); }
.opt[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); }
.opt.guess { border-color: var(--warn); }
.statebox { display: grid; gap: 8px; }
.picked { display: flex; gap: 6px; flex-wrap: wrap; font-size: 14px; }

.verdict { align-self: stretch; background: var(--surface); border: 2px solid var(--accent); border-radius: 12px; padding: 14px 16px; display: grid; gap: 10px; }
.verdict h2 { margin: 0; font-size: 20px; }
.verdict .fee { font-size: 14px; color: var(--muted); }
.verdict ul { margin: 0; padding-left: 20px; }
.verdict .provisional { font-size: 13px; color: var(--warn); }
.verdict h3 { margin: 4px 0 0; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.verdict .expert { background: var(--warn-soft); border-radius: 8px; padding: 8px 10px; font-size: 14px; }
details summary { cursor: pointer; font-weight: 600; font-size: 14px; }
.rate { display: grid; gap: 8px; border-top: 1px dashed var(--rule); padding-top: 10px; }
textarea { width: 100%; min-height: 60px; resize: vertical; }
.thanks { color: var(--accent); font-size: 14px; }
@media (prefers-reduced-motion: no-preference) { .bot, .user, .understood { animation: rise .18s ease-out; } }
@keyframes rise { from { transform: translateY(4px); opacity: .6; } to { transform: none; opacity: 1; } }