:root{--bg: #0e1116;--panel: #171c26;--panel-2: #212940;--cell-bg: #171c26;--hairline: #232c3e;--seam: #38445f;--text: #e8ecf4;--muted: #93a0b4;--accent: #38bdf8;--accent-ink: #06283a;--note: #7f8ea8;--bad: #fb7185;--gold: #fbbf24;color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}html,body,#app{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent;overflow:hidden}.game{height:100%;max-width:720px;margin-inline:auto;padding:max(10px,env(safe-area-inset-top)) max(10px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));display:flex;flex-direction:column;gap:10px;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.hud{display:flex;align-items:center;justify-content:space-between;gap:8px;flex:none}.chips{display:flex;gap:6px;min-width:0}.chip{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding-inline:10px;border-radius:10px;background:var(--panel);font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}.chip .icon{width:17px;height:17px;flex:none}#level-chip .icon{color:var(--accent)}#time-chip .icon{color:var(--muted)}#best-chip .icon{color:var(--gold)}.actions{display:flex;gap:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;min-width:44px;padding-inline:14px;border:0;border-radius:10px;background:var(--panel-2);color:var(--text);font:inherit;font-weight:600;cursor:pointer;touch-action:manipulation}.btn .icon{width:21px;height:21px;flex:none}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.4;cursor:default}.btn:disabled:active{transform:none}.btn-icon{padding-inline:0}.btn.is-on{background:var(--accent);color:var(--accent-ink)}.btn-primary{background:var(--accent);color:var(--accent-ink);padding-inline:22px}.board-wrap{position:relative;flex:1;min-height:0;min-width:0;display:flex;align-items:center;justify-content:center}.board{display:grid;grid-template-columns:repeat(3,auto);gap:3px;padding:4px;border-radius:12px;background:var(--seam);touch-action:none}.box{display:grid;grid-template-columns:repeat(3,var(--cell, 34px));gap:1px;background:var(--hairline)}.cell{position:relative;width:var(--cell, 34px);height:var(--cell, 34px);display:flex;align-items:center;justify-content:center;background:var(--cell-bg);cursor:pointer}.value{position:relative;z-index:1;font-size:calc(var(--cell, 34px) * .62);font-weight:600;line-height:1;font-variant-numeric:tabular-nums;color:var(--accent)}.cell.is-given .value{color:var(--text);font-weight:700}.notes{position:absolute;z-index:1;inset:calc(var(--cell, 34px) * .06);display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);pointer-events:none}.notes i{display:flex;align-items:center;justify-content:center;font-size:calc(var(--cell, 34px) * .27);font-style:normal;font-weight:600;line-height:1;color:var(--note);visibility:hidden}.notes i.is-on{visibility:visible}.cell.is-peer{background:#1c2333}.cell.is-match{background:#1d3348}.cell.is-selected{background:#1b3a55;box-shadow:inset 0 0 0 2px var(--accent)}.cell.is-selected .notes i{color:#bacbe2}.cell.is-bad .value{color:var(--bad)}.cell.is-bad{background:#3a2130}.cell.is-bad.is-selected{box-shadow:inset 0 0 0 2px var(--bad)}.cell.is-flash:after{content:"";position:absolute;inset:0;background:var(--gold);opacity:0;pointer-events:none;animation:flash 1.4s ease-out}@keyframes flash{0%,55%{opacity:.3}to{opacity:0}}.cell.is-fresh .value{animation:pop .16s ease-out}@keyframes pop{0%{transform:scale(.72);opacity:.4}to{transform:scale(1)}}.pad{flex:none;display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.pad,.hint{margin-inline-end:56px}html[dir=rtl] .pad{margin-inline-end:0;margin-inline-start:56px}.key{display:flex;align-items:center;justify-content:center;min-height:48px;border:0;border-radius:10px;background:var(--panel-2);color:var(--text);font:inherit;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;cursor:pointer;touch-action:manipulation}.key .icon{width:22px;height:22px}.key:active{transform:translateY(1px)}.key.is-done{color:var(--muted);opacity:.45}.key.is-match{box-shadow:inset 0 0 0 2px #38bdf88c}.pad.is-notes .key[data-digit]{color:var(--note);font-size:17px;background:#1a2233}.key-erase{color:var(--bad)}.overlay{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;padding:12px;background:#0e11169e;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:overlay-in .2s ease-out}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}.overlay-card{width:min(100%,320px);max-height:100%;overflow-y:auto;display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 20px;border-radius:16px;background:var(--panel);box-shadow:0 18px 44px #0000008c;text-align:center}.overlay-title{margin:0;font-size:clamp(20px,4.6vw,28px);font-weight:800}.overlay-line{margin:0;color:var(--muted);font-size:16px;font-weight:600;font-variant-numeric:tabular-nums}.overlay-note{margin:0;color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums}.overlay-note:empty{display:none}.overlay-note.is-best{color:var(--gold);font-weight:700}.levels{display:flex;flex-direction:column;gap:6px;width:100%;margin-top:4px}.level{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:46px;padding-inline:14px;border:0;border-radius:10px;background:var(--panel-2);color:var(--text);font:inherit;font-size:15px;font-weight:600;cursor:pointer;touch-action:manipulation}.level:active{transform:translateY(1px)}.level.is-on{box-shadow:inset 0 0 0 1.5px #38bdf88c}.level-best{color:var(--muted);font-size:13px;font-weight:600;font-variant-numeric:tabular-nums}.level.is-on .level-best{color:var(--accent)}.overlay-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:4px}.hint{flex:none;margin:0;text-align:center;color:var(--muted);font-size:13px;line-height:1.45}@media(max-width:440px){#best-chip,.chip .icon{display:none}.chip{gap:0;padding-inline:9px}.game{gap:8px;padding-left:max(8px,env(safe-area-inset-left));padding-right:max(8px,env(safe-area-inset-right))}.actions{gap:5px}}@media(max-height:560px){.game{gap:8px}.chip{min-height:34px;padding-inline:8px;font-size:14px}.key{min-height:44px;font-size:20px}.hint{font-size:12px}}@media(min-aspect-ratio:6 / 5){.game{flex-direction:row;align-items:stretch;gap:10px;max-width:none}.hud{flex-direction:column;justify-content:center;align-items:stretch;width:min(30vw,176px);min-height:0;overflow-y:auto;gap:6px}.chips{flex-direction:column}.chip{justify-content:space-between}#best-chip:not([hidden]){display:inline-flex}.actions{flex-wrap:wrap;justify-content:center}.btn-icon{flex:1}.pad,html[dir=rtl] .pad{align-self:center;width:min(28vw,168px);grid-template-columns:repeat(3,1fr);margin-inline:0}.key{min-height:44px}.key-erase{grid-column:1 / -1}.hint{display:none}}@media(min-aspect-ratio:6 / 5)and (max-height:430px){.hud{width:min(26vw,150px)}.pad{width:min(24vw,146px)}.key{font-size:19px}}@media(min-aspect-ratio:6 / 5)and (max-height:340px){.pad{width:min(42vw,256px);grid-template-columns:repeat(5,1fr)}.key-erase{grid-column:auto}}@media(prefers-reduced-motion:reduce){.cell.is-flash:after,.cell.is-fresh .value,.overlay{animation-duration:1ms}}