:root{
  --bg:#f4efe6; --surface:#fffdf8; --ink:#1d2a3a; --muted:#5d6878; --line:#d9d1c3;
  --accent:#e8a33d; --ok:#2f6fb5; --ok-bg:#dbe8f7; --miss:#c4621d; --miss-bg:#f7e2d2;
  --sel:#1d2a3a; --shadow:0 1px 0 rgba(29,42,58,.08),0 2px 8px rgba(29,42,58,.06);
  --radius:12px; --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --bg:#141b25; --surface:#1d2632; --ink:#eef1f5; --muted:#a3adbb; --line:#323e4d;
  --ok:#7fb2ec; --ok-bg:#1f3550; --miss:#f0a060; --miss-bg:#4a2d18; --sel:#eef1f5; --shadow:none;}}
:root[data-theme=dark]{
  --bg:#141b25; --surface:#1d2632; --ink:#eef1f5; --muted:#a3adbb; --line:#323e4d;
  --ok:#7fb2ec; --ok-bg:#1f3550; --miss:#f0a060; --miss-bg:#4a2d18; --sel:#eef1f5; --shadow:none;}
:root[data-contrast=high]{--ok:#0a49a8; --ok-bg:#c9dcf7; --miss:#a33c00; --miss-bg:#ffd9bf; --line:#6b6b6b; --muted:#333;}
:root[data-theme=dark][data-contrast=high]{--ok:#9cc8ff; --ok-bg:#0b2a52; --miss:#ffb070; --miss-bg:#552600; --line:#9aa5b4; --muted:#d6dbe2;}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-text-size-adjust:100%}
a{color:inherit}
.topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5}
.top-right{justify-self:end;display:flex;gap:6px}
.brand{font-family:var(--serif);font-size:1.6rem;font-weight:700;text-decoration:none;display:flex;align-items:center;gap:8px;letter-spacing:.01em}
.logo{display:inline-flex;flex-direction:column;gap:2px}
.logo i{display:block;height:5px;border-radius:2px;background:var(--ink)}
.logo i:nth-child(1){width:14px}.logo i:nth-child(2){width:20px;background:var(--accent)}.logo i:nth-child(3){width:11px;background:var(--ok)}
.icon-btn{background:none;border:1px solid var(--line);color:var(--ink);width:36px;height:36px;border-radius:50%;font-size:1rem;cursor:pointer}
.icon-btn:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.wrap{max-width:520px;margin:0 auto;padding:18px 16px 8px}
.meta{color:var(--muted);font-size:.9rem;margin:0 0 6px}
.pill{background:var(--accent);color:#1d2a3a;border-radius:999px;padding:2px 8px;font-size:.75rem;font-weight:700;margin-left:4px}
.prompt{font-family:var(--serif);font-size:1.55rem;line-height:1.2;margin:0 0 6px}
.hint{color:var(--muted);font-size:.9rem;margin:0 0 14px}
.edge-label{font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:6px 2px;display:flex;align-items:center;gap:6px}
.edge-label::before{content:"";flex:0 0 18px;height:2px;background:var(--line)}
.cards{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.card{display:flex;align-items:center;gap:10px;background:var(--surface);border:2px solid var(--line);border-radius:var(--radius);padding:10px 8px 10px 12px;min-height:62px;box-shadow:var(--shadow);cursor:pointer;user-select:none;transition:transform .12s ease,border-color .12s}
.card .rank{font-weight:800;color:var(--muted);width:1.2em;text-align:center}
.card .txt{flex:1;min-width:0}
.card .label{font-weight:700;font-size:1.05rem;line-height:1.2}
.card .sub{color:var(--muted);font-size:.8rem;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .val{font-weight:700;font-size:.9rem;color:var(--ok);margin-top:3px}
.card .arrows{display:flex;flex-direction:column;gap:4px}
.card .arrows button{width:34px;height:26px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer;font-size:.8rem}
.card .arrows button:disabled{opacity:.3;cursor:default}
.card.selected{border-color:var(--sel);transform:scale(1.015)}
.card.ok{border-color:var(--ok);background:var(--ok-bg)}
.card.miss{border-color:var(--miss);background:var(--miss-bg)}
.card .mark{font-weight:900;width:1.4em;text-align:center}
.card.ok .mark{color:var(--ok)} .card.miss .mark{color:var(--miss)}
.card.locked{cursor:default}
.tries{display:flex;flex-direction:column;align-items:center;gap:4px;margin:14px 0 8px;font-size:1.1rem;letter-spacing:2px;min-height:1.5em}
.tries .left{font-size:.85rem;color:var(--muted);letter-spacing:0}
button.primary{display:block;width:100%;padding:14px;border-radius:999px;border:0;background:var(--ink);color:var(--bg);font-size:1.05rem;font-weight:700;cursor:pointer}
button.primary:disabled{opacity:.4}
button.secondary{padding:10px 16px;border-radius:999px;border:1px solid var(--ink);background:transparent;color:var(--ink);font-weight:700;cursor:pointer}
.result{margin-top:14px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);text-align:center}
.result h2{font-family:var(--serif);margin:0 0 4px}
.result .share-preview{white-space:pre;font-size:1.05rem;margin:10px 0;line-height:1.4}
.result .row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.sources{text-align:left;font-size:.82rem;color:var(--muted);margin-top:12px}
.sources li{margin:4px 0}
.ad-slot{max-width:520px;margin:18px auto;min-height:100px;border:1px dashed var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase}
:root[data-adfree="1"] .ad-slot{display:none}
.footer{max-width:520px;margin:10px auto 30px;padding:0 16px;color:var(--muted);font-size:.85rem;text-align:center}
.modal{position:fixed;inset:0;background:rgba(10,15,22,.55);display:flex;align-items:flex-end;justify-content:center;z-index:20}
.modal[hidden]{display:none}
.sheet{background:var(--surface);color:var(--ink);width:100%;max-width:520px;max-height:88vh;overflow:auto;border-radius:18px 18px 0 0;padding:20px 18px 28px;position:relative}
@media (min-width:600px){.modal{align-items:center}.sheet{border-radius:18px}}
.sheet .close{position:absolute;right:12px;top:12px}
.sheet h2{font-family:var(--serif);margin:0 0 10px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;text-align:center;margin:10px 0}
.stats-grid b{display:block;font-size:1.6rem}
.stats-grid span{font-size:.72rem;color:var(--muted)}
.dist{margin:8px 0}.dist div{display:flex;align-items:center;gap:6px;margin:4px 0;font-size:.85rem}
.dist i{display:block;background:var(--muted);color:var(--bg);font-style:normal;padding:1px 6px;border-radius:4px;min-width:1.6em;text-align:right}
.dist i.hl{background:var(--ok)}
.setting{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);gap:12px}
.setting small{display:block;color:var(--muted)}
.setting select,.setting input{font-size:1rem}
.toast{position:fixed;top:70px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:8px;font-weight:700;z-index:30}
.archive{list-style:none;padding:0;margin:0}
.archive li a{display:flex;justify-content:space-between;gap:10px;padding:12px;border-bottom:1px solid var(--line);text-decoration:none}
.archive .st{color:var(--muted);white-space:nowrap}
.prose h2{font-family:var(--serif);margin-top:22px}.prose p{line-height:1.55}
.demo{display:flex;flex-direction:column;gap:6px;margin:10px 0}
.demo .card{min-height:40px;padding:6px 10px;cursor:default}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
[hidden]{display:none!important}