:root{--bg: #0f1218;--panel: #1a1f28;--raised: #242a36;--border: #3a4252;--text: #f1f3f7;--muted: #b0b8c6;--accent: #5fd8cc;--on-accent: #0f1218;--pass: #34b36a;--fail: #e0524f;--p0: #ff3b5c;--p1: #ff8a1f;--p2: #ffe81f;--p3: #39ff6a;--p4: #2fb4ff;--glow: 55%;--font-ui: "VT323", ui-monospace, Menlo, Consolas, monospace;--font-mono: "VT323", ui-monospace, Menlo, Consolas, monospace;--bold: 400;color-scheme:dark;font-family:var(--font-ui);font-size:21px;color:var(--text);background:var(--bg)}@media(prefers-color-scheme:light){:root:not([data-theme=dark]){--bg: #eef0f4;--panel: #ffffff;--raised: #f3f5f8;--border: #c3c9d3;--text: #151922;--muted: #4a5261;--accent: #0b7f75;--on-accent: #ffffff;--pass: #1f8a4c;--fail: #c43b38;--p0: #d6102f;--p1: #d65f00;--p2: #9a8600;--p3: #0a9a35;--p4: #0a6fd6;--glow: 0%;color-scheme:light}}:root[data-theme=light]{--bg: #eef0f4;--panel: #ffffff;--raised: #f3f5f8;--border: #c3c9d3;--text: #151922;--muted: #4a5261;--accent: #0b7f75;--on-accent: #ffffff;--pass: #1f8a4c;--fail: #c43b38;--p0: #d6102f;--p1: #d65f00;--p2: #9a8600;--p3: #0a9a35;--p4: #0a6fd6;--glow: 0%;color-scheme:light}*{box-sizing:border-box}strong,b{font-weight:var(--bold)}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);display:flex;flex-direction:column;align-items:center;padding:16px}header{width:100%;max-width:1100px;text-align:center}.title-row{position:relative}h1{margin:4px 0 10px;font-family:var(--font-mono);font-weight:400;letter-spacing:.15em;font-size:2.2rem;line-height:1}.pix{width:1em;height:1em;vertical-align:-.12em;fill:currentColor;shape-rendering:crispEdges}h1 span{color:var(--accent)}.timer{margin:-6px 0 8px;color:var(--muted);font-size:1rem;font-variant-numeric:tabular-nums}.timer.running{color:var(--text)}.icon-btn{position:absolute;top:0;right:0;width:40px;height:40px;background:var(--panel);border:1px solid var(--border);border-radius:10px;font-size:1.2rem}.help-btn{left:0;right:auto;font-family:var(--font-mono);font-size:1.5rem;line-height:1}.switch{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.85rem;font-weight:var(--bold);cursor:pointer}.switch input{-webkit-appearance:none;-moz-appearance:none;appearance:none;position:relative;width:40px;height:22px;margin:0;background:var(--border);border-radius:11px;cursor:pointer;transition:background-color .15s}.switch input:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;background:var(--panel);border-radius:50%;transition:translate .15s}.switch input:checked{background:var(--accent)}.switch input:checked:after{translate:18px 0}.switch input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.ok{color:var(--pass);font-weight:var(--bold)}.no{color:var(--fail);font-weight:var(--bold)}main{width:100%;max-width:1100px}.area{display:flex;flex-direction:column;gap:8px;width:100%}.area[hidden]{display:none}.area-head{display:flex;flex-direction:column;gap:2px}.area-head h2{margin:0;color:var(--muted);font-size:.78rem;font-weight:var(--bold);letter-spacing:.08em;text-transform:uppercase}.tip{margin:0;color:var(--muted);font-size:.85rem;line-height:1.4}.no-tips .tip{display:none}.dock .area{align-items:center}.dock .area-head{align-self:stretch;text-align:center}.board{display:flex;flex-direction:column;gap:20px}button{font:inherit;color:var(--text);cursor:pointer}button:disabled{cursor:default}button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.p0{--pc: var(--p0)}.p1{--pc: var(--p1)}.p2{--pc: var(--p2)}.p3{--pc: var(--p3)}.p4{--pc: var(--p4)}.pos{display:inline-flex;align-items:center;gap:4px;color:var(--pc);font-weight:var(--bold);white-space:nowrap;text-shadow:0 0 6px color-mix(in srgb,var(--pc) var(--glow),transparent)}.pos .sym{width:.85em;height:.85em;flex:none;fill:currentColor;filter:drop-shadow(0 0 3px color-mix(in srgb,var(--pc) var(--glow),transparent))}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.card{display:flex;flex-direction:column;gap:12px;padding:14px;background:var(--panel);border:1px solid var(--border);border-radius:12px}.tricky-hint{margin-top:-4px;line-height:1.35}.card-head{display:flex;align-items:center;gap:12px;min-height:38px}.card-letter{flex:none;width:32px;height:32px;display:grid;place-items:center;border-radius:8px;background:var(--accent);color:var(--on-accent);font-family:var(--font-mono);font-size:1.15rem;font-weight:var(--bold)}.card-title{flex:1;margin:0;font-size:1.05rem;font-weight:400;line-height:1.35;text-wrap:balance}.check{flex:none;min-height:38px;padding:0 16px;background:var(--accent);border:none;border-radius:8px;color:var(--on-accent);font-weight:var(--bold)}.check:disabled{background:var(--raised);color:var(--muted)}.badge{flex:none;width:38px;height:38px;display:grid;place-items:center;border-radius:8px;color:#fff;font-size:1.3rem;font-weight:var(--bold)}.badge.ok{background:var(--pass)}.badge.no{background:var(--fail)}.options{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.options .or{flex-basis:100%;margin:-4px 0;color:var(--muted);font-size:.85rem;font-style:italic}.option{min-height:38px;padding:6px 12px;background:var(--raised);border:1px solid var(--border);border-radius:8px;font-size:.95rem}.option.crossed{color:var(--muted);text-decoration:line-through;opacity:.45}.option.answer{border:2px solid var(--pass);color:var(--pass);opacity:1;text-decoration:none;font-weight:var(--bold)}.option:disabled{cursor:default}.option{position:relative}.option.hit-ok{border-color:var(--pass)}.option.hit-no{border-color:var(--fail)}.option .mark{position:absolute;top:-8px;right:-8px;width:18px;height:18px;display:grid;place-items:center;border-radius:50%;color:#fff;font-size:.65rem}.option .mark.ok{background:var(--pass)}.option .mark.no{background:var(--fail)}.option.deduced{border:2px solid var(--pass);background:color-mix(in srgb,var(--pass) 22%,var(--raised));color:var(--text);font-weight:var(--bold)}.levels{display:flex;gap:6px;max-width:420px;margin:0 auto 10px}.level{flex:1;display:flex;flex-direction:column;align-items:center;gap:1px;padding:6px 4px;background:var(--panel);border:2px solid var(--border);border-radius:10px}.level[aria-pressed=true]{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,var(--panel))}.level-name{font-weight:var(--bold)}.level-len{color:var(--muted);font-size:.78rem}.log-wrap{overflow-x:auto}.log{border-collapse:collapse;margin:0 auto;font-variant-numeric:tabular-nums}.log th,.log td{padding:6px 10px;text-align:center;border-bottom:1px solid var(--border)}.log thead th{color:var(--muted);font-weight:400;font-size:.9rem}.log tbody th{color:var(--muted);font-weight:400}.log td.ok,.log td.no{font-size:1.1rem}.log .code{font-family:var(--font-mono);letter-spacing:.15em;font-size:1.3rem;font-weight:var(--bold)}.log .code span{color:var(--pc)}.dock{display:flex;flex-direction:column;align-items:center;gap:10px}.tabs{display:flex;gap:4px;max-width:420px;margin:0 auto 10px;padding:4px;background:var(--panel);border:1px solid var(--border);border-radius:10px}.tab{flex:1;min-height:38px;background:transparent;border:none;border-radius:7px;color:var(--muted);font-weight:var(--bold)}.tab[aria-selected=true]{background:var(--accent);color:var(--on-accent)}.guessbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:0 6px 16px #0003;text-align:left}.mini-slots{flex:1;display:grid;grid-template-columns:repeat(var(--cols, 5),minmax(0,52px));gap:6px}.mini-slots .slot{height:54px;font-size:2rem;border-width:2px;border-bottom-width:5px}.guess-go{flex:none;color:var(--accent);font-size:1.15rem;font-weight:var(--bold);white-space:nowrap}.columns{display:grid;width:100%;grid-template-columns:repeat(var(--cols, 5),minmax(0,56px));gap:8px;justify-content:center}.positions .pos{justify-content:center;font-size:.85rem}.slot{height:52px;display:grid;place-items:center;font-family:var(--font-mono);font-size:2rem;font-weight:var(--bold);background:var(--raised);border:2px solid var(--border);border-bottom:5px solid var(--pc);border-radius:8px}button.slot{padding:0;color:var(--text)}button.slot:disabled{cursor:default}.slot.active{border-color:var(--accent);border-bottom-color:var(--pc)}.slot.drop-target{outline:3px solid var(--accent);outline-offset:2px}.locked>.slot{border-color:var(--accent);border-bottom-color:var(--pc);background:color-mix(in srgb,var(--accent) 15%,var(--raised))}.used{width:100%;max-width:280px;margin:2px 0 0;padding:0;list-style:none;font-size:.8rem}.used li{display:flex;align-items:center;gap:8px;padding:1px 4px;border-bottom:1px dashed var(--border)}.used li:last-child{border-bottom:none}.used-round{width:1.2em;color:var(--muted)}.used-code{font-family:var(--font-mono);font-size:1.15rem;letter-spacing:.12em;line-height:1.1}.used-code span{color:var(--pc)}.used-results{flex:1;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:0 8px}.note-col{display:flex;flex-direction:column;gap:3px}.note{height:27px;padding:0;background:var(--raised);border:1px solid var(--border);border-radius:6px;font-family:var(--font-mono);font-size:1.1rem;font-weight:var(--bold)}.note.crossed{color:var(--muted);opacity:.3;text-decoration:line-through}.note.deduced{border:2px solid var(--pc);background:color-mix(in srgb,var(--pc) 35%,var(--raised))}.status{margin:0;min-height:1.4em;color:var(--muted);font-size:.95rem;text-align:center}.status.win{color:var(--pass);font-weight:var(--bold)}.status.lose{color:var(--fail);font-weight:var(--bold)}.keypad{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;width:100%;max-width:400px}.key{height:46px;font-family:var(--font-mono);font-size:1.45rem;font-weight:var(--bold);background:var(--raised);border:2px solid var(--border);border-radius:8px}.key:active{background:var(--border)}.key{touch-action:none;-webkit-user-select:none;user-select:none}.drag-ghost{position:fixed;z-index:100;translate:-50% -60%;width:44px;height:52px;display:grid;place-items:center;background:var(--accent);color:var(--on-accent);border-radius:8px;font-family:var(--font-mono);font-size:1.6rem;font-weight:var(--bold);pointer-events:none;box-shadow:0 8px 20px #0000004d}.keypad.disabled{opacity:.4;pointer-events:none}.actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.action{min-height:36px;padding:0 14px;background:var(--raised);border:1px solid var(--border);border-radius:8px;font-size:.9rem}.action.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent);font-weight:var(--bold)}.action:disabled{opacity:.4}.results-text{width:100%;max-width:360px;padding:8px 10px;resize:none;background:var(--raised);color:var(--text);border:1px solid var(--border);border-radius:8px;font:inherit;font-size:.95rem;line-height:1.4}@media(max-width:899px){html,body{height:100%}body{min-height:0;padding:0;overflow:hidden}header{flex:none;padding:10px 16px 0}h1{margin:0 0 8px;font-size:1.5rem}main{flex:1;min-height:0;display:flex;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:none}main::-webkit-scrollbar{display:none}.pane{flex:0 0 100%;min-width:0;height:100%;overflow-y:auto;scroll-snap-align:start;scroll-snap-stop:always;padding:0 16px calc(16px + env(safe-area-inset-bottom,0px))}.board{gap:14px}.note{height:34px;font-size:1.15rem}.key{height:50px}.dock{gap:16px}}@media(min-width:900px){.tabs,.guessbar,.swipe-hint,.to-cards,.mobile-only{display:none!important}main{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}.dock{position:sticky;top:16px;padding:16px;background:var(--panel);border:1px solid var(--border);border-radius:12px}.note{height:30px}}@media(prefers-reduced-motion:no-preference){.option,.note,.check,.key{transition:background-color .15s,opacity .15s}}.round-banner{display:flex;align-items:center;gap:12px;padding:10px 12px 10px 14px;background:color-mix(in srgb,var(--accent) 16%,var(--panel));border:2px solid var(--accent);border-radius:12px}.round-banner[hidden]{display:none}.round-banner-text{flex:1;display:flex;flex-direction:column;gap:2px;line-height:1.3}.round-banner-results{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:1.05rem}.round-banner .action{flex:none;min-height:44px;font-size:1rem}.new-code-dock{min-height:44px;margin-top:4px;font-size:1rem}.guessbar.attention{border-color:var(--accent)}@media(prefers-reduced-motion:no-preference){.round-banner{animation:pop-in .3s ease-out}.round-banner .action,.guessbar.attention .guess-go{animation:pulse 1.4s ease-in-out 3 .3s}}@keyframes pop-in{0%{opacity:0;translate:0 -8px}}@keyframes pulse{50%{scale:1.08}}.result-banner{border-color:var(--pass);background:color-mix(in srgb,var(--pass) 16%,var(--panel))}.result-banner.lost{border-color:var(--fail);background:color-mix(in srgb,var(--fail) 14%,var(--panel))}.result-banner strong{font-size:1.2rem}.result{width:min(400px,calc(100vw - 24px));max-height:calc(100dvh - 24px);padding:0;background:var(--panel);color:var(--text);border:3px solid var(--pass);border-radius:16px;overflow:visible}.result.lost{border-color:var(--fail)}.result::backdrop{background:#000000a6}.result-body{max-height:calc(100dvh - 30px);overflow-y:auto;display:flex;flex-direction:column;align-items:center;gap:10px;padding:22px 20px 18px;text-align:center}.result-body p{margin:0}.result-emoji{font-size:3.4rem;line-height:1}.result-title{margin:0;color:var(--pass);font-size:2rem;font-weight:400;line-height:1.1}.result.lost .result-title{color:var(--fail)}.result-sub,.result-label{color:var(--muted);font-size:.95rem}.result-label .used-code{font-size:1.3rem}.result-label .used-code span{color:var(--pc)}.result-code{margin:-4px 0 2px}.result-stats{display:flex;gap:24px;margin:4px 0}.result-stats div{display:flex;flex-direction:column;align-items:center}.result-stats strong{font-size:2.2rem;line-height:1;color:var(--accent)}.result-stats span{color:var(--muted);font-size:.85rem}.result-grid{margin:0;font-size:1.1rem;line-height:1.25}.result-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:4px}.result-actions .action{min-height:44px;font-size:1rem}@media(prefers-reduced-motion:no-preference){.result[open]{animation:result-in .45s cubic-bezier(.2,1.4,.4,1)}.result[open]:not(.lost) .result-emoji{animation:bounce .8s ease-in-out .3s 2}}@keyframes result-in{0%{opacity:0;scale:.8}}@keyframes bounce{50%{translate:0 -12px;scale:1.15}}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden;z-index:1}.confetti span{position:absolute;top:-16px;width:9px;height:9px;background:var(--pc);animation:fall linear forwards}.confetti span:nth-child(3n){width:6px;height:12px}@keyframes fall{to{translate:var(--drift) 105vh;rotate:var(--spin)}}.swipe-hint{margin:-4px 0 8px;color:var(--accent);font-size:.9rem}@media(prefers-reduced-motion:no-preference){.swipe-hint{animation:nudge 1.6s ease-in-out infinite}.peek>.pane{animation:peek 1.2s ease-in-out}}@keyframes nudge{0%,to{translate:0}50%{translate:6px}}@keyframes peek{0%,to{translate:0}35%,65%{translate:-28% 0}}.to-cards{min-height:44px;margin-top:4px;font-size:1rem}.help{width:min(440px,calc(100vw - 24px));height:min(640px,calc(100dvh - 24px));padding:0;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:14px;overflow:hidden}.help[open]{display:flex;flex-direction:column}.help::backdrop{background:#0009}.help-top{display:flex;align-items:center;justify-content:space-between;padding:10px 12px 0 20px}.help-top h2{margin:0;color:var(--muted);font-size:.78rem;font-weight:var(--bold);letter-spacing:.08em;text-transform:uppercase}.help-skip{min-height:36px;padding:0 8px;background:none;border:none;color:var(--muted);text-decoration:underline}.help-steps{flex:1;min-height:0;display:flex;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:none}.help-steps::-webkit-scrollbar{display:none}.step{flex:0 0 100%;min-width:0;overflow-y:auto;scroll-snap-align:start;scroll-snap-stop:always;padding:6px 20px 8px;display:flex;flex-direction:column;gap:8px;line-height:1.35}.step h3{margin:0;color:var(--accent);font-size:1.5rem;font-weight:400;line-height:1.1}.step p{margin:0}.step .muted{color:var(--muted);font-size:.9rem}.demo-chips{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:1.1rem}.demo{display:flex;flex-direction:column;align-items:center;gap:10px;padding:10px;background:var(--bg);border-radius:10px;pointer-events:none;-webkit-user-select:none;user-select:none}.demo .card{width:100%;padding:8px 10px;gap:6px}.demo .slot{height:42px;font-size:1.7rem}.demo .card-head{min-height:0}.demo .option{display:inline-flex;align-items:center;min-height:32px}.demo .badge{width:32px;height:32px;font-size:1.1rem}.demo-notes{display:flex;gap:4px}.demo-notes .note{display:grid;place-items:center;width:34px;height:30px}.demo-submit{display:inline-flex;align-items:center}.demo-result{font-family:var(--font-mono);line-height:1.3;text-align:center}.demo-phone{width:150px;height:120px;overflow:hidden;border:2px solid var(--border);border-radius:12px;background:var(--panel)}.demo-track{display:flex;width:200%;height:100%}.demo-pane{flex:1;display:flex;flex-direction:column;gap:8px;padding:10px;font-size:.85rem}.demo-pane strong{color:var(--accent)}.demo-bar{height:12px;border-radius:4px;background:var(--raised);border:1px solid var(--border)}.demo-bar.short{width:60%}.demo-keys{height:26px;border-radius:4px;background:repeating-linear-gradient(90deg,var(--raised) 0 16px,transparent 16px 20px)}.demo-swipe{color:var(--accent)}@media(prefers-reduced-motion:no-preference){.demo-track{animation:demo-swipe 3.2s ease-in-out infinite}}@keyframes demo-swipe{0%,35%{translate:0}50%,85%{translate:-50% 0}to{translate:0}}.help-nav{display:flex;align-items:center;gap:6px;padding:10px 12px;border-top:1px solid var(--border)}.help-nav .action{flex:none;min-height:44px;min-width:80px;padding:0 10px;font-size:1rem}.help-nav .action[aria-hidden=true]{visibility:hidden}.dots{flex:1;min-width:0;display:flex;justify-content:center}.dot{width:20px;height:32px;padding:0;background:none;border:none;display:grid;place-items:center}.dot:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--border)}.dot[aria-current=step]:before{background:var(--accent)}.help-foot{display:flex;justify-content:center;padding:0 16px 12px}.notes.locked .note{cursor:default;border-style:dashed}.notes.locked .note:not(.crossed):not(.deduced){opacity:.7}