/* Layout: one reading column, a slim sticky progress bar, the item as a sheet, decisions below it. */
:root {
  --bg: #f3f5f7; --sheet: #ffffff; --fg: #1b2430; --muted: #5b6878; --line: #d5dce4;
  --accent: #2f5d8a; --accent-ink: #ffffff; --mark: #fff1a8; --good: #1f7a4d; --bad: #b3261e;
  --f-ui: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-text: "Source Serif 4", Georgia, "Times New Roman", serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #12171d; --sheet: #1a2129; --fg: #e3e9ef; --muted: #9aa8b7; --line: #2c3743;
  --accent: #7fb0e0; --accent-ink: #0d1620; --mark: #4a4220; --good: #6cc597; --bad: #f08a80; color-scheme: dark } }
:root[data-theme="dark"] {
  --bg: #12171d; --sheet: #1a2129; --fg: #e3e9ef; --muted: #9aa8b7; --line: #2c3743;
  --accent: #7fb0e0; --accent-ink: #0d1620; --mark: #4a4220; --good: #6cc597; --bad: #f08a80; color-scheme: dark }
body { background: var(--bg); color: var(--fg); font: 16px/1.5 var(--f-ui); }
.wrap { max-width: 46rem; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px)); padding-block: 1rem 4rem; display: grid; gap: 1rem; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--bg); }
header.bar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--bg);
  padding-block: .6rem; border-bottom: 1px solid var(--line); display: grid; gap: .4rem; }
.bar-row { display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: baseline; justify-content: space-between; }
h1 { font-size: 1.05rem; margin: 0; letter-spacing: .01em; }
.meta { color: var(--muted); font-size: .85rem; font-variant-numeric: tabular-nums; }
.track { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; }
.track > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.sheet { background: var(--sheet); border: 1px solid var(--line); border-radius: 6px; padding: 1.1rem 1.2rem; display: grid; gap: .9rem; }
.label { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 700; }
.state { font: 1.02rem/1.6 var(--f-text); white-space: pre-wrap; overflow-wrap: anywhere; min-width: 0; }
.question { font: 600 1.02rem/1.5 var(--f-text); white-space: pre-wrap; overflow-wrap: anywhere; }
.opts { display: grid; gap: .5rem; }
.opt { display: grid; grid-template-columns: 2rem 1fr; gap: .6rem; align-items: start; text-align: left; width: 100%;
  font: inherit; color: var(--fg); background: var(--sheet); border: 1px solid var(--line); border-radius: 6px; padding: .6rem .7rem; cursor: pointer; }
.opt:hover:not(:disabled) { border-color: var(--accent); }
.opt:focus-visible, button:focus-visible, textarea:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.opt .k { font: 500 .9rem var(--f-mono); color: var(--muted); padding-top: .1rem; }
.opt.mine { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.opt.gold { background: var(--mark); }
.opt:disabled { cursor: default; }
.tag { font-size: .78rem; font-weight: 700; margin-left: .4rem; }
.tag.g { color: var(--good); } .tag.y { color: var(--accent); }
.verdict { font-weight: 700; } .verdict.ok { color: var(--good); } .verdict.no { color: var(--bad); }
.flags { display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; }
.flags label { display: flex; gap: .4rem; align-items: center; cursor: pointer; }
textarea { width: 100%; min-height: 4.5rem; font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: .5rem; box-sizing: border-box; }
.row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
button.primary, button.ghost { font: 700 .95rem var(--f-ui); border-radius: 6px; padding: .55rem 1rem; cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent); }
button.primary:disabled { opacity: .45; cursor: default; }
button.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.note { font: .98rem/1.6 var(--f-text); display: grid; gap: .6rem; }
.note p, .note ul { margin: 0; } .note ul { padding-left: 1.2rem; }
.hint { color: var(--muted); font-size: .85rem; }
.err { color: var(--bad); font-weight: 700; }
.blocktag { font: 500 .78rem var(--f-mono); color: var(--muted); }
kbd { font: .8rem var(--f-mono); border: 1px solid var(--line); border-radius: 3px; padding: 0 .3rem; }
@media (prefers-reduced-motion: reduce) { .track > i { transition: none; } }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; }
[hidden] { display: none !important; }
.text-input { width: 100%; font: inherit; padding: .45rem; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); }
.after { display: grid; gap: .8rem; }
p.err:empty { display: none; }