/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.fixed{position:fixed}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.block{display:block}.grid{display:grid}.hidden{display:none}.table{display:table}}:root{--ink:#f5f1e8;--acid:#d7ff3f;--orange:#ff5c35;--muted:#92938b;--panel:#151613;--line:#34362f}*{box-sizing:border-box}html{background:#0b0c0a}body{color:var(--ink);font-family:var(--font-geist-sans),sans-serif;background:radial-gradient(circle at 50% 18%,#1c2115 0,#0b0c0a 42%);min-height:100vh;margin:0}button,input{font:inherit}.nav{border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);z-index:20;background:#0b0c0ae8;justify-content:space-between;align-items:center;height:70px;padding:0 max(20px,4vw);display:flex;position:sticky;top:0}.brand{color:var(--ink);letter-spacing:-.04em;align-items:center;gap:11px;font-size:17px;font-weight:900;text-decoration:none;display:flex}.brand span{background:var(--acid);color:#11120e;width:32px;height:32px;font:900 11px var(--font-geist-mono);place-items:center;display:grid;transform:rotate(-3deg)}.nav-actions{align-items:center;gap:20px;display:flex}.session-count{display:grid}.session-count small,.eyebrow{color:var(--muted);font:700 9px var(--font-geist-mono);letter-spacing:.14em}.session-count strong{font:800 14px var(--font-geist-mono)}.profile{color:var(--ink);font:800 9px var(--font-geist-mono);cursor:pointer;background:0 0;border:1px solid #4a4c42;padding:9px 12px}.focus-layout{width:min(680px,100% - 32px);margin:auto;padding:34px 0 50px}.focus-header{justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px;display:flex}.focus-header h1{letter-spacing:-.055em;margin:7px 0 0;font-size:clamp(28px,5vw,46px);line-height:1}.progress-track{gap:6px;padding-bottom:4px;display:flex}.progress-track i{background:#35372f;width:25px;height:5px}.progress-track i.done{background:var(--acid)}.progress-track i.current{background:var(--orange)}.puzzle-card{background:var(--panel);border:1px solid #3b3d34;overflow:hidden;box-shadow:0 30px 90px #0009}.puzzle-head{border-bottom:1px solid var(--line);color:#a4a59d;height:46px;font:700 9px var(--font-geist-mono);letter-spacing:.09em;justify-content:space-between;align-items:center;padding:0 16px;display:flex}.live-dot{background:var(--acid);width:6px;height:6px;box-shadow:0 0 10px var(--acid);border-radius:50%;margin-right:7px;display:inline-block}.puzzle-actions{align-items:center;gap:11px;display:flex}.puzzle-actions span{color:var(--acid)}.puzzle-actions button{color:var(--ink);font:800 9px var(--font-geist-mono);cursor:pointer;background:0 0;border:1px solid #55574d;padding:6px 8px}.puzzle-copy{padding:16px 18px 14px}.puzzle-copy p{color:var(--orange);font:800 9px var(--font-geist-mono);letter-spacing:.1em;margin:0 0 5px}.puzzle-copy h2{letter-spacing:-.035em;margin:0;font-size:22px}.puzzle-copy>span{color:#9ea097;margin-top:4px;font-size:11px;display:block}.board{aspect-ratio:1;border-top:1px solid #5b5d51;border-bottom:1px solid #5b5d51;grid-template-columns:repeat(8,1fr);width:100%;display:grid}.square{aspect-ratio:1;cursor:pointer;border:0;place-items:center;padding:0;font-family:Georgia,serif;font-size:clamp(34px,7vw,58px);line-height:1;display:grid;position:relative}.square.light{background:#e8e4d3}.square.dark{background:#718240}.square.selected{box-shadow:inset 0 0 0 5px #f5cf42}.square.legal:after{content:"";aspect-ratio:1;background:#1119;border-radius:50%;width:20%;position:absolute}.square.solution-from{box-shadow:inset 0 0 0 6px var(--orange)}.square.solution-to{box-shadow:inset 0 0 0 6px var(--acid)}.white-piece{color:#fffdf3;text-shadow:0 2px 1px #000,0 0 2px #000;cursor:grab;-webkit-user-select:none;user-select:none}.black-piece{color:#171811;text-shadow:0 1px #777;-webkit-user-select:none;user-select:none}.move-marker{z-index:3;color:var(--ink);font:900 clamp(5px,.8vw,8px) var(--font-geist-mono);white-space:nowrap;background:#11120e;padding:3px 4px;position:absolute;bottom:4px;left:50%;transform:translate(-50%)}.solution-from .move-marker{background:var(--orange);color:#111}.solution-to .move-marker{background:var(--acid);color:#111}.rank,.file{color:#18200c;opacity:.65;font:800 8px var(--font-geist-mono);position:absolute}.rank{top:3px;left:4px}.file{bottom:3px;right:4px}.coach{border:1px solid #3c4030;border-left:3px solid var(--acid);background:#20221a;gap:12px;margin:16px 16px 0;padding:13px;display:flex}.coach>span{background:var(--acid);color:#111;border-radius:50%;flex:0 0 28px;place-items:center;width:28px;height:28px;font-weight:900;display:grid}.coach strong{color:var(--acid);font:900 9px var(--font-geist-mono);letter-spacing:.12em;margin-bottom:4px;display:block}.coach p{color:#c2c3ba;margin:0;font-size:11px;line-height:1.48}.bottom-actions{justify-content:space-between;align-items:center;gap:12px;min-height:66px;padding:12px 16px;display:flex}.bottom-actions p{color:#777970;font:600 9px var(--font-geist-mono);margin:0}.primary,.secondary{font:900 10px var(--font-geist-mono);cursor:pointer;border:0;padding:12px 15px}.primary{background:var(--acid);color:#10110d}.secondary{color:var(--ink);background:0 0;border:1px solid #505248}footer{border-top:1px solid var(--line);text-align:center;color:#65675f;font:800 9px var(--font-geist-mono);letter-spacing:.12em;padding:17px}.overlay{z-index:50;-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);background:#050604ed;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.setup-card,.dashboard,.complete-card{background:#151613;border:1px solid #484a3f;width:min(500px,100%);max-height:calc(100vh - 36px);padding:30px;position:relative;overflow:auto;box-shadow:0 30px 100px #000}.setup-card h2,.dashboard h2,.complete-card h2{letter-spacing:-.05em;margin:9px 0;font-size:31px;line-height:1.05}.setup-card>p:not(.eyebrow),.complete-card>p:not(.eyebrow){color:#aaa99f;margin:0 0 21px;font-size:13px;line-height:1.55}.path-button{text-align:left;width:100%;color:var(--ink);cursor:pointer;background:#20211c;border:1px solid #4a4c42;gap:4px;margin-top:9px;padding:15px;display:grid}.path-button.beginner{background:var(--acid);color:#111;border-color:var(--acid)}.path-button b{font:900 11px var(--font-geist-mono)}.path-button span{opacity:.7;font-size:11px}.rating-choice{border-top:1px solid var(--line);margin-top:20px;padding-top:18px}.rating-choice label{color:#9c9d95;font:800 9px var(--font-geist-mono);letter-spacing:.1em;margin-bottom:8px;display:block}.rating-choice>div{display:flex}.rating-choice input{width:130px;color:var(--ink);font:800 15px var(--font-geist-mono);background:#0e0f0c;border:1px solid #52544a;padding:12px}.rating-choice button{color:#111;font:900 10px var(--font-geist-mono);cursor:pointer;background:#efede3;border:0;flex:1}.close{color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:25px;position:absolute;top:14px;right:16px}.dashboard-grid{background:#373930;grid-template-columns:1fr 1fr;gap:1px;margin:22px 0;display:grid}.dashboard-grid>div{background:#1c1d19;padding:18px;display:grid}.dashboard-grid strong{font:900 28px var(--font-geist-mono)}.dashboard-grid span{color:var(--muted);margin-top:4px;font-size:10px}.learning-focus{border-left:3px solid var(--acid);background:#20221a;gap:5px;padding:14px;display:grid}.learning-focus small{color:var(--acid);font:800 9px var(--font-geist-mono);letter-spacing:.1em}.learning-focus b{font-size:13px}.change-path{width:100%;color:var(--ink);font:800 9px var(--font-geist-mono);cursor:pointer;background:0 0;border:1px solid #4a4c42;margin-top:17px;padding:12px}.complete-card{text-align:center}.complete-mark{background:var(--acid);color:#111;border-radius:50%;place-items:center;width:54px;height:54px;margin:0 auto 18px;font-size:25px;font-weight:900;display:grid}.final-rating{margin:20px 0;display:grid}.final-rating small{color:var(--muted);font:800 9px var(--font-geist-mono);letter-spacing:.1em}.final-rating strong{font:900 38px var(--font-geist-mono)}.done-button{width:100%}.extra{color:#777970;font:700 9px var(--font-geist-mono);cursor:pointer;background:0 0;border:0;margin-top:15px}.brand{font-size:initial;font-weight:initial;letter-spacing:initial;cursor:pointer;background:0 0;border:0;padding:0}.brand .brand-mark{background:conic-gradient(from 90deg,var(--acid) 0 25%,#1a1c16 0 50%,var(--acid) 0 75%,#1a1c16 0);border:1px solid #68742e;place-items:center;width:34px;height:34px;display:grid;position:relative;overflow:hidden;transform:rotate(-3deg)}.brand .brand-mark i{color:#fffdf3;text-shadow:0 2px 2px #000;font:22px Georgia,serif;transform:rotate(3deg)}.brand>b{font:400 18px var(--font-brand),sans-serif;letter-spacing:-.045em}.brand em{color:var(--acid);font-style:normal}.week-strip{grid-template-columns:repeat(7,1fr);gap:8px;margin:0 0 18px;display:grid}.week-strip>div{color:#777970;font:700 8px var(--font-geist-mono);justify-items:center;gap:5px;display:grid}.week-strip i{background:#35372f;width:100%;height:7px;display:block}.week-strip .complete{color:var(--acid)}.week-strip .complete i{background:var(--acid);box-shadow:0 0 8px #d7ff3f55}.privacy-note{color:#777970;margin:13px 0 0;font-size:10px;line-height:1.5}.rating-choice input{width:150px}.rating-choice input::placeholder{color:#66685f;font-size:10px}.rating-choice button:disabled{color:#777970;cursor:not-allowed;background:#30312c}.rating-choice>small{color:#777970;font:600 9px var(--font-geist-mono);margin-top:7px;display:block}.rating-selects{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:8px;display:grid!important}.rating-selects select{width:100%;color:var(--ink);font:800 10px var(--font-geist-mono);cursor:pointer;background:#20211c;border:1px solid #52544a;padding:11px}.rating-choice .placement-start{color:#111;width:100%;font:900 10px var(--font-geist-mono);cursor:pointer;background:#efede3;border:0;padding:13px}.rating-choice input+button{padding-inline:14px}.report-card{background:#151613;border:1px solid #484a3f;width:min(440px,100%);padding:30px;position:relative;box-shadow:0 30px 100px #000}.report-card h2{margin:8px 0 18px;font-size:28px}.report-card>p:not(.eyebrow){color:#aaa99f;font-size:12px;line-height:1.55}.report-options{gap:8px;display:grid}.report-options label{cursor:pointer;background:#20211c;border:1px solid #42443b;align-items:center;gap:10px;padding:12px;display:flex}.report-options input{accent-color:var(--acid)}.report-options span{font-size:12px}.report-submit{width:100%;margin-top:14px}.report-submit:disabled{opacity:.6}.report-error{color:#ff8c70!important}.data-credit{text-align:center;color:#65675f;font:700 9px var(--font-geist-mono);margin:-34px 0 34px}.data-credit a{color:#9b9d92}.board{touch-action:manipulation}.square:focus-visible{outline-offset:2px;z-index:5;outline:3px solid #fff}.primary:focus-visible{outline-offset:2px;z-index:5;outline:3px solid #fff}.secondary:focus-visible{outline-offset:2px;z-index:5;outline:3px solid #fff}.profile:focus-visible{outline-offset:2px;z-index:5;outline:3px solid #fff}.puzzle-actions button:focus-visible{outline-offset:2px;z-index:5;outline:3px solid #fff}.path-button:focus-visible{outline-offset:2px;z-index:5;outline:3px solid #fff}.close:focus-visible{outline-offset:2px;z-index:5;outline:3px solid #fff}a:focus-visible{outline-offset:2px;z-index:5;outline:3px solid #fff}.square.legal:after{border:2px solid #fff8}.square[aria-pressed=true]:before{content:"SELECTED";z-index:4;color:#fff;font:800 6px var(--font-geist-mono);background:#111;padding:2px;position:absolute;top:3px;right:3px}@media (max-width:600px){.nav{height:62px;padding:0 13px}.brand{font-size:14px}.brand>b{font-size:15px}.profile{padding:8px}.focus-layout{width:100%;padding:22px 0}.focus-header{padding:0 14px}.focus-header h1{font-size:30px}.progress-track i{width:17px}.puzzle-card{border-left:0;border-right:0}.puzzle-copy{padding-left:14px}.coach{margin:13px 12px 0}.bottom-actions{padding:11px 12px}.bottom-actions p{display:none}.setup-card,.dashboard,.complete-card{padding:24px}.square{font-size:11vw}}@media (max-width:420px){.session-count{display:none}.puzzle-head{padding-inline:10px}.puzzle-actions{gap:6px}.puzzle-actions button{padding:7px 6px}.bottom-actions{align-items:stretch}.bottom-actions button{flex:1}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*{transition-duration:.01ms!important;animation-duration:.01ms!important}}.square.hint-from{box-shadow:inset 0 0 0 6px #f5cf42}.hint-marker{color:#111;background:#f5cf42}.account-button{background:var(--acid);color:#111;font:900 9px var(--font-geist-mono);cursor:pointer;border:0;padding:10px 12px}.auth-card{background:#151613;border:1px solid #484a3f;width:min(430px,100%);padding:30px;position:relative;box-shadow:0 30px 100px #000}.auth-card h2{letter-spacing:-.05em;margin:9px 0;font-size:31px;line-height:1.05}.auth-card>p:not(.eyebrow){color:#aaa99f;margin:0 0 21px;font-size:13px;line-height:1.55}.google-button{color:#111;width:100%;font:900 10px var(--font-geist-mono);cursor:pointer;background:#f5f1e8;border:0;padding:13px}.google-button span{color:#4285f4;background:#fff;border-radius:50%;place-items:center;width:20px;height:20px;margin-right:9px;font-weight:900;display:inline-grid}.google-button:disabled,.auth-card form button:disabled{opacity:.6;cursor:wait}.auth-divider{color:#777970;font:700 8px var(--font-geist-mono);align-items:center;gap:10px;margin:14px 0;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:#3b3d34;flex:1;height:1px}.auth-card form{gap:8px;display:grid}.auth-card form label{color:#9c9d95;font:800 9px var(--font-geist-mono);letter-spacing:.1em}.auth-card form input{width:100%;color:var(--ink);background:#0e0f0c;border:1px solid #52544a;padding:12px;font-size:13px}.auth-card form button{width:100%}.auth-card>small{color:#777970;margin-top:14px;font-size:9px;line-height:1.5;display:block}.auth-error{color:#ff8c70!important}.auth-sent{border-left:3px solid var(--acid);background:#20221a;padding:15px}.auth-sent strong{color:var(--acid);font:900 10px var(--font-geist-mono)}.auth-sent p{color:#c2c3ba;margin:6px 0 0;font-size:12px}.save-account{width:100%;margin:0 0 9px}.auth-callback{text-align:center;place-items:center;min-height:100vh;padding:20px;display:grid}.auth-callback>div{background:#151613;border:1px solid #484a3f;width:min(460px,100%);padding:36px}.auth-callback h1{letter-spacing:-.04em;font-size:28px}.auth-callback a{color:var(--acid);font:900 10px var(--font-geist-mono);margin-top:14px;display:inline-block}@media (max-width:600px){.nav-actions{gap:8px}.account-button{padding:8px}.auth-card{padding:24px}}.code-form{margin-top:18px}.auth-card form .code-input{text-align:center;font:900 25px var(--font-geist-mono);letter-spacing:.28em;padding-left:calc(12px + .28em)}.auth-restart{color:#9c9d95;font:800 8px var(--font-geist-mono);cursor:pointer;background:0 0;border:0;padding:7px}.code-form .auth-error{margin:2px 0;font-size:10px}