:root{color-scheme:dark;--bg:#0d1424;--panel:#151f33;--panel2:#1c2940;--line:#2c3850;--muted:#a5b3c9;--text:#edf2fa;--gold:#ffce72;--blue:#87b9ff;--green:#62e4c0;--danger:#ff9b8a;
  --g1:#f2c94c;--g2:#62c98f;--g3:#6fa3f2;--g4:#b48ef0;--tile:#263c5e;--tile-hi:#34527f;--tile-sel:#e9eef8}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:radial-gradient(circle at 50% -15%,#1b2a48 0,transparent 42%),var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.site-bar{max-width:960px;margin:auto;padding:18px 24px;display:flex;justify-content:space-between;border-bottom:1px solid var(--line);font-size:14px;font-weight:700}
main{max-width:720px;margin:auto;padding:30px 24px 56px}
.intro{text-align:center;margin-bottom:22px}.eyebrow{color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.14em;margin:0}
.intro h1{font:600 clamp(36px,7vw,58px)/1.05 Georgia,serif;margin:8px 0}.edition{color:var(--muted);margin:0}
.game-shell{background:rgba(21,31,51,.94);border:1px solid var(--line);border-radius:18px;padding:clamp(16px,4vw,30px);box-shadow:0 20px 50px #05091466}
.game-topline{display:flex;gap:18px;justify-content:space-between;align-items:flex-start;margin-bottom:18px}
.game-topline h2{font:600 22px/1.2 Georgia,serif;margin:0 0 6px}.game-topline p{color:var(--muted);margin:0;font-size:15px}
.score{display:flex;flex-direction:column;align-items:center;gap:6px;white-space:nowrap;background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:8px 14px}
.score-label{color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.04em}
.dots{display:flex;gap:7px}.dot{width:12px;height:12px;border-radius:50%;background:var(--green);transition:background .2s,transform .2s}.dot.used{background:#3a4660;transform:scale(.8)}
.solved{display:grid;gap:8px;margin-bottom:8px}
.group{border-radius:12px;padding:12px 14px;text-align:center;color:#0d1424;animation:pop .35s ease-out}
.group.yellow{background:var(--g1)}.group.green{background:var(--g2)}.group.blue{background:var(--g3)}.group.purple{background:var(--g4)}
.group.revealed{opacity:.88;outline:2px dashed #0d142466;outline-offset:-5px}
.group h3{margin:0;font:800 15px/1.25 system-ui;letter-spacing:.05em;text-transform:uppercase}
.group .words{margin:3px 0 0;font-weight:600;font-size:15px}
.group .explain{margin:4px 0 0;font-size:13px;opacity:.85}
.group .src{margin:6px 0 0;font-size:13px;display:flex;flex-direction:column;gap:2px}
.group .src a{color:#0d1424;font-weight:700;text-decoration:underline;text-underline-offset:2px}
.board{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.tile{appearance:none;min-width:0;min-height:72px;padding:6px 4px;border:1px solid #40577a;border-radius:10px;background:var(--tile);color:var(--text);font:800 clamp(13px,3.6vw,17px)/1.15 system-ui;letter-spacing:.02em;text-transform:uppercase;cursor:pointer;overflow-wrap:anywhere;hyphens:none;transition:transform .12s;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.tile.len-long{font-size:clamp(11px,3vw,15px)}.tile.len-xl{font-size:clamp(10px,2.6vw,14px);letter-spacing:0}
@media(hover:hover){.tile:hover:not([aria-pressed="true"]){background:var(--tile-hi)}}
.tile:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.tile[aria-pressed="true"]{background:var(--tile-sel);color:#0d1424;border-color:#fff;transform:scale(.97)}
.tile.shake{animation:shake .4s}
.tile.jump{animation:jump .35s}
.status{min-height:24px;text-align:center;color:var(--gold);font-weight:800;margin:14px 0 4px}
.actions{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:10px}
.actions button,.button-link{appearance:none;background:#263c5e;color:var(--text);border:1px solid #40577a;border-radius:999px;padding:12px 20px;font:700 15px/1 system-ui;cursor:pointer;min-height:44px;display:inline-flex;align-items:center}
.actions button:hover:not(:disabled),.button-link:hover{background:#34527f;text-decoration:none}
.actions button:focus-visible,.button-link:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.actions button.quiet,.button-link.quiet{background:transparent;color:var(--text)}
.actions button:disabled{opacity:.4;cursor:default}
#submit:not(:disabled){background:var(--tile-sel);color:#0d1424;border-color:#fff}
.result{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);text-align:center}
.result:focus{outline:none}
.result h2{font:600 26px/1.2 Georgia,serif;margin:0 0 6px}.result p{color:var(--muted);margin:0 0 10px}
.share-grid{display:inline-block;margin:6px auto 4px;font:22px/1.15 system-ui,"Apple Color Emoji","Segoe UI Emoji",sans-serif;letter-spacing:2px;white-space:pre;background:transparent}
.share-status{min-height:20px;font-size:14px;color:var(--green)!important;font-weight:700}
.streak{font-size:14px}
.how{margin-top:26px;color:var(--muted);font-size:15px}
.how h2{font:600 20px/1.2 Georgia,serif;color:var(--text);margin:0 0 8px}
.how ul{padding-left:20px;margin:0 0 10px}.how li{margin:4px 0}
.chip{display:inline-block;border-radius:6px;padding:0 6px;color:#0d1424;font-weight:700;font-size:13px}.chip.yellow{background:var(--g1)}.chip.purple{background:var(--g4)}
kbd{border:1px solid var(--line);border-radius:4px;padding:0 4px;font-size:13px;background:var(--panel2)}
.fine{font-size:13px}
footer{max-width:960px;margin:auto;padding:22px 24px 34px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;text-align:center}
@keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-5px)}40%,80%{transform:translateX(5px)}}
@keyframes jump{50%{transform:translateY(-6px)}}
@keyframes pop{from{transform:scale(.96);opacity:.4}to{transform:scale(1);opacity:1}}
@media(max-width:600px){main{padding:18px 12px 40px}.site-bar{padding:15px 16px}.game-shell{padding:16px 10px}.game-topline{flex-direction:column;gap:10px;align-items:stretch}.score{flex-direction:row;justify-content:center}.board{gap:6px}.tile{min-height:68px;border-radius:8px}.actions button,.button-link{padding:11px 16px;font-size:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}