:root {
  --bg: #f6f5f2; --surface: #ffffff; --ink: #1d1f23; --muted: #646a73; --line: #e3e1dc;
  --accent: #2f5bd3; --accent-ink: #ffffff; --accent-soft: #e8eefc;
  --ok: #1f7a4d; --ok-soft: #e4f4ea; --warn-soft: #fff4dc; --warn-line: #f0d48a; --danger: #b3261e;
  --reveal-soft: #f1ecfb; --reveal-line: #cdbdf2;
  --radius: 14px; --shadow: 0 1px 2px rgb(0 0 0 / 6%), 0 2px 10px rgb(0 0 0 / 4%);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171b; --surface: #1e2127; --ink: #eceef1; --muted: #a0a6b0; --line: #30343c;
    --accent: #7c9cf5; --accent-ink: #0f1320; --accent-soft: #232b40;
    --ok: #6fcf97; --ok-soft: #1d3127; --warn-soft: #33290f; --warn-line: #6a5520; --danger: #f2827a;
    --reveal-soft: #261f38; --reveal-line: #4b3d78;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Hebrew", Arial, sans-serif;
}
[hidden] { display: none !important; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5rem; }
h1 { font-size: 1.5rem; } h2 { font-size: 1.2rem; } h3 { font-size: 1.02rem; } h4 { font-size: .95rem; margin-block-start: .75rem; }
p { margin: 0 0 .75rem; }
a { color: var(--accent); }
.muted { color: var(--muted); } .small { font-size: .88rem; } .center { text-align: center; }
.loading { padding: 3rem 1rem; text-align: center; color: var(--muted); }

.wrap { max-width: 640px; margin: 0 auto; padding: 16px 16px 120px; }
.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px); border-block-end: 1px solid var(--line); }
.top-in { max-width: 640px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { font-weight: 650; }
.lang { font: inherit; font-size: .9rem; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); cursor: pointer; min-height: 36px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
  margin-block: 14px; box-shadow: var(--shadow); }
.card.done { text-align: center; padding-block: 32px; }
.big { font-size: 2.4rem; margin-block-end: .5rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .06em; font-size: .78rem; font-weight: 650; color: var(--accent); margin: 0 0 .25rem; }
.hello { margin-block: 10px 6px; }

.steps { list-style: none; display: flex; gap: 6px; padding: 0; margin: 14px 0; }
.step { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center;
  font-size: .78rem; color: var(--muted); position: relative; }
.step .dot { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-weight: 650;
  border: 2px solid var(--line); background: var(--surface); }
.step.active .dot { border-color: var(--accent); color: var(--accent); }
.step.active { color: var(--ink); font-weight: 600; }
.step.locked .dot { background: var(--ok); border-color: var(--ok); color: #fff; }
.step.waiting .dot { border-style: dashed; border-color: var(--accent); }

.bar { height: 8px; border-radius: 999px; background: var(--line); overflow: hidden; margin-block: 12px 6px; }
.bar > span { display: block; height: 100%; width: 0; background: var(--accent); border-radius: inherit; transition: width .3s; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(52px, 1fr)); gap: 8px; margin-block: 14px; }
.chip { position: relative; display: grid; place-items: center; height: 52px; border-radius: 12px; text-decoration: none;
  color: var(--ink); background: var(--surface); border: 1px solid var(--line); font-weight: 600; }
.chip.answered { background: var(--ok-soft); border-color: transparent; color: var(--ok); }
.chip.started { border-color: var(--accent); }
.chip .mark { position: absolute; inset-block-start: 3px; inset-inline-end: 6px; font-size: .75rem; }

.btn { font: inherit; font-weight: 600; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 48px; padding: 10px 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface);
  color: var(--ink); text-decoration: none; cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.block { display: flex; width: 100%; margin-block-start: 8px; }
.row { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
.row .btn { flex: 1; }
.error { color: var(--danger); }
.submit { border-color: var(--accent); }

.casehead { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-block-start: 4px; }
.backlink { display: inline-flex; align-items: center; gap: 4px; text-decoration: none; font-weight: 600; min-height: 40px; }
.backlink .arrow { font-size: 1.4rem; line-height: 1; }
/* "‹" is bidi-mirrored, so it already points the right way in RTL. */
.casetitle { margin-block: 8px 0; }

.sec h3 { margin-block-end: .75rem; }
.sec dl, .earlier dl { margin: 0; }
.sec dt, .earlier dt { font-size: .8rem; font-weight: 650; color: var(--muted); text-transform: none; margin-block-start: .7rem; }
.sec dt:first-child { margin-block-start: 0; }
.sec dd, .earlier dd { margin: .15rem 0 0; }
.text { white-space: pre-wrap; overflow-wrap: anywhere; unicode-bidi: plaintext; text-align: start; }
.sec-context { background: var(--warn-soft); border-color: var(--warn-line); }
.sec-reveal { background: var(--reveal-soft); border-color: var(--reveal-line); }
.sec-reveal dd:first-of-type { font-weight: 650; font-size: 1.05rem; }
details summary { cursor: pointer; font-weight: 600; color: var(--accent); margin-block-start: .75rem; min-height: 32px; }
.earlier summary { margin: 0; }

.qs { padding-block: 8px; }
.q { border: 0; padding: 0; margin: 14px 0 18px; min-width: 0; }
.q legend { font-weight: 650; padding: 0; margin-block-end: 8px; }
.req { color: var(--accent); font-size: .7rem; vertical-align: middle; }
.opt { color: var(--muted); font-weight: 400; font-size: .88rem; }
.choices { display: grid; gap: 8px; }
.choice { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border: 1.5px solid var(--line);
  border-radius: 12px; cursor: pointer; background: var(--surface); min-height: 50px; }
.choice input { accent-color: var(--accent); width: 20px; height: 20px; margin: 0; flex: none; }
.choice:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.choice:has(input:focus-visible) { outline: 3px solid var(--accent); outline-offset: 2px; }
textarea { width: 100%; font: inherit; padding: 12px; border-radius: 12px; border: 1.5px solid var(--line);
  background: var(--surface); color: var(--ink); resize: vertical; unicode-bidi: plaintext; }
textarea:focus { outline: none; border-color: var(--accent); }

.bottom { position: fixed; inset-inline: 0; inset-block-end: 0; z-index: 5; background: var(--surface);
  border-block-start: 1px solid var(--line); padding-block-end: env(safe-area-inset-bottom); }
.bottom-in { max-width: 640px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 10px; }
.bottom .btn { flex: none; min-width: 96px; }
.status { flex: 1; text-align: center; font-size: .82rem; color: var(--muted); }
.status[data-state="saved"] { color: var(--ok); }
.status[data-state="save_error"] { color: var(--danger); }

@media (min-width: 700px) {
  .wrap { padding-block-start: 28px; }
  .card { padding: 22px 24px; }
}