@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::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,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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:where(:not(iframe)){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]){appearance:button}::file-selector-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{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.static{position:static}.sticky{position:sticky}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.rounded{border-radius:.25rem}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--bg:#f8f6f0;--surface:#fffefa;--surface-2:#f0eee6;--ink:#25392f;--muted:#536156;--line:#dddeda;--accent:#a7472b;--accent-hover:#873a23;--sage:#dce5cf;--copper:#f2dfd0;--sand:#eee6d1;--code:#152520;--good:#2f6d44;--bad:#ab332c;--shadow:0 16px 45px #293e2e08;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#101c18;--surface:#172720;--surface-2:#1e3027;--ink:#e8ecdf;--muted:#a5b3a8;--line:#34463b;--accent:#edab82;--accent-hover:#f8c09e;--sage:#263d2e;--copper:#3b2c24;--sand:#353326;--code:#0e1915;--good:#a4d3a3;--bad:#f1a39c;--shadow:0 16px 45px #00000012;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Avenir Next,Avenir,Segoe UI,sans-serif;font-size:14px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{opacity:.5;cursor:not-allowed}button{background:0 0;border:0}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{letter-spacing:-.035em;font-weight:600;line-height:1.15}h1{font-size:clamp(32px,4vw,52px)}h2{font-size:28px}h3{font-size:23px}h4{font-size:17px}p{color:var(--muted)}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:focus-visible{z-index:5;position:relative}.wrap{max-width:1180px;margin:0 auto;padding-left:36px;padding-right:36px}.header{border-bottom:1px solid var(--line);z-index:20;background:var(--bg);position:relative}.header.is-fixed{position:sticky;top:0}.header-inner{align-items:center;gap:42px;max-width:1320px;height:86px;margin:auto;padding:0 40px;display:flex}.brand{letter-spacing:-.06em;align-items:center;gap:9px;font-family:Georgia,serif;font-size:37px;font-weight:700;line-height:1;display:flex}.brand-symbol{color:var(--accent);margin-right:2px;font-family:serif;font-size:48px;transform:rotate(-25deg)}.beta{letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line);border-radius:4px;margin-top:8px;padding:4px 6px;font:10px Avenir Next,sans-serif}.header nav{flex:1;align-items:center;gap:28px;display:flex}.header nav a{color:var(--muted);white-space:nowrap;align-items:center;gap:7px;font-size:12px;font-weight:600;display:flex}.header nav a:hover,.header nav a.active{color:var(--accent)}.header-actions{align-items:center;gap:18px;display:flex}.lang{letter-spacing:.1em;font-size:11px;font-weight:700}.icon-button{place-items:center;width:30px;height:36px;display:grid}.streak{color:var(--accent);align-items:center;gap:5px;font-size:12px;font-weight:700;display:flex}.button{white-space:nowrap;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:14px;min-height:46px;padding:12px 21px;font-size:13px;font-weight:600;line-height:1.4;transition:background .15s,transform .15s;display:inline-flex}.button:hover:not(:disabled){transform:translateY(-1px)}.button.primary{background:var(--ink);color:var(--bg)}.button.primary:hover:not(:disabled){background:var(--accent);color:var(--bg)}.button.secondary{border-color:var(--line);background:var(--surface);color:var(--ink)}.button.danger{color:var(--bad);border-color:var(--line)}.button.small{min-height:36px;padding:8px 13px;font-size:12px}.full{width:100%}.text-link{color:var(--ink);align-items:center;gap:8px;font-size:12px;font-weight:600;display:inline-flex}.text-link:hover{color:var(--accent)}.eyebrow{letter-spacing:.13em;color:var(--muted);text-transform:uppercase;align-items:center;gap:9px;font-size:10px;font-weight:700;display:flex}.status-dot{background:var(--accent);border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}.hero{grid-template-columns:1.2fr 1fr;align-items:center;gap:50px;min-height:610px;padding-top:65px;padding-bottom:65px;display:grid}.hero h1{letter-spacing:-.055em;margin:25px 0;font-family:Georgia,Times New Roman,serif;font-size:clamp(46px,5.2vw,72px);font-weight:400;line-height:1.07}.hero h1 em{color:var(--accent);font-weight:400}.hero-copy>p{max-width:420px;font-size:15px;line-height:1.85}.hero-copy>p.hero-lead{max-width:520px}.hero-buttons{align-items:center;gap:24px;margin:30px 0 19px;display:flex}.hero-fine{letter-spacing:.02em;color:var(--muted);font-size:10px}.hero-art{isolation:isolate;border:1px solid var(--line);background:radial-gradient(ellipse at center, var(--sand), transparent 70%);border-radius:180px 180px 15px 15px;justify-content:center;align-items:center;height:430px;display:flex;position:relative;overflow:hidden}.mascot{width:170px;color:var(--ink);flex-shrink:0}.mascot svg{width:100%;display:block;overflow:visible}.mascot.large{width:280px}.hero-art .mascot{z-index:3;position:relative;transform:translateY(20px)}.fox-body{transform-origin:120px 240px;animation:4s ease-in-out infinite breathe}.happy .fox-body{animation:3s ease-in-out infinite breathe}.celebrate .fox-body{animation:1s ease-in-out 3 celebrate}.sad .fox-body{transform:rotate(-3deg)}.orbit{z-index:-1;border:1px solid var(--line);border-radius:50%;width:310px;height:310px;position:absolute;transform:rotate(-20deg)scaleX(.85)}.orbit-two{border-style:dashed;width:390px;height:390px;transform:rotate(40deg)scaleX(.8)}.floating-code{border:1px solid var(--line);z-index:4;background:var(--surface);color:var(--muted);box-shadow:var(--shadow);border-radius:6px;padding:9px 14px;font:11px SFMono-Regular,Consolas,monospace;position:absolute}.code-one{top:105px;left:20px;transform:rotate(-8deg)}.code-two{color:var(--accent);bottom:115px;right:15px;transform:rotate(7deg)}.mascot-ground{background:var(--sage);opacity:.65;border-radius:50%;width:200px;height:55px;position:absolute;bottom:54px}.fox-caption{align-items:center;gap:7px;font-size:11px;font-weight:700;display:flex;position:absolute;bottom:30px;left:24px}.fox-caption>span:last-child{color:var(--muted);font-weight:400}.art-caption{color:var(--muted);font:10px monospace;position:absolute;top:23px;right:21px}.art-caption>span{margin-left:10px}.proof-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);letter-spacing:.07em;color:var(--muted);justify-content:center;align-items:center;gap:75px;padding:21px 25px;font-size:10px;font-weight:600;display:flex}.proof-strip span:first-child{color:var(--ink);font-family:monospace;font-size:12px}.modes-section{padding-top:66px;padding-bottom:70px}.section-heading{justify-content:space-between;align-items:center;margin-bottom:28px;display:flex}.section-heading h2{max-width:490px;margin-top:14px;font-size:30px}.mono{color:var(--muted);font-family:monospace;font-size:12px}.section-heading>.mono{color:var(--muted);font-size:30px}.mode-grid{grid-template-columns:repeat(4,1fr);gap:18px;display:grid}@media (max-width:1100px){.mode-grid{grid-template-columns:repeat(2,1fr)}}.mode-card{border:1px solid var(--line);border-radius:12px;flex-direction:column;padding:24px;transition:transform .2s,border .2s;display:flex}.mode-card:hover{border-color:var(--accent);transform:translateY(-4px)}.copper{background:var(--copper)}.sage{background:var(--sage)}.sand{background:var(--sand)}.mode-top{justify-content:space-between;align-items:center;margin-bottom:30px;display:flex}.mode-icon{border:1px solid var(--ink);opacity:.8;border-radius:11px;place-items:center;width:45px;height:45px;display:grid}.mode-card h3{margin-bottom:12px;font-size:23px}.mode-card p{max-width:260px;font-size:12px;line-height:1.8}.mode-bottom{letter-spacing:.03em;justify-content:space-between;align-items:center;margin-top:auto;padding-top:25px;font-size:10px;display:flex}.invitation{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:25px;padding-top:40px;padding-bottom:50px;display:flex}.invitation h2{margin-top:12px;font-family:Georgia,serif;font-size:30px;font-weight:400}footer{border-top:1px solid var(--line);max-width:1320px;color:var(--muted);align-items:center;gap:35px;margin:auto;padding:28px 40px;font-size:10px;display:flex}.footer-brand{color:var(--ink);font-size:23px}footer>div{gap:25px;margin-left:auto;display:flex}footer a:hover{color:var(--accent)}.skip{z-index:100;background:var(--ink);color:var(--bg);padding:10px;position:absolute;top:-100px;left:20px}.skip:focus{top:10px}.subtle{color:var(--muted);font-size:12px}.sync{background:var(--surface);box-shadow:var(--shadow);z-index:50;border-radius:9px;max-width:90vw;padding:8px 16px;font-size:11px;position:fixed;bottom:16px;left:50%;transform:translate(-50%)}.sync:empty{display:none}.sync.error{border:1px solid var(--bad);color:var(--bad)}.dashboard{padding-top:45px;padding-bottom:65px}.dashboard-hero{border-bottom:1px solid var(--line);grid-template-columns:1.5fr .65fr 1fr;align-items:center;gap:30px;padding-bottom:40px;display:grid}.dashboard-hero h1{max-width:450px;margin:15px 0;font-size:38px}.dashboard-hero p{max-width:370px;margin-bottom:24px;font-size:13px}.dashboard-fox{position:relative}.dashboard-fox .mascot{width:170px}.bubble{white-space:nowrap;background:var(--surface);border:1px solid var(--line);border-radius:10px 10px 0;padding:8px 12px;font-size:10px;position:absolute;top:0;left:-35px;transform:rotate(-5deg)}.daily-card{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:12px;padding:22px}.daily-title{align-items:center;gap:8px;font-size:11px;display:flex}.daily-title>b{white-space:nowrap;margin-left:auto;font-size:10px}.daily-card progress{appearance:none;background:var(--surface-2);width:100%;height:7px;color:var(--accent);border:0;border-radius:10px;margin:20px 0 9px;overflow:hidden}progress::-webkit-progress-bar{background:var(--surface-2)}progress::-webkit-progress-value{background:var(--accent);border-radius:10px}progress::-moz-progress-bar{background:var(--accent)}.daily-card>p{max-width:none;margin:0;font-size:10px}.daily-card>p>span{margin:0 8px}.list-heading{justify-content:space-between;align-items:center;margin:38px 0 26px;display:flex}.list-heading h2{font-size:24px}.list-heading>span{color:var(--muted);font-size:11px}.path-section{border-top:1px solid var(--line);grid-template-columns:220px 1fr;gap:30px;padding:26px 0;display:grid}.path-label{gap:16px;display:flex}.path-label>span{color:var(--accent);margin-top:2px;font:12px monospace}.path-label small{letter-spacing:.1em;color:var(--muted);font-size:9px}.path-label h3{margin:7px 0 10px;font-size:21px}.path-label p{font-size:11px;line-height:1.7}.exercise-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.exercise{border:1px solid var(--line);background:var(--surface);border-radius:9px;flex-direction:column;min-height:145px;padding:17px;transition:transform .2s,border-color .2s;display:flex;position:relative}.exercise:hover{border-color:var(--accent);transform:translateY(-2px)}.exercise-number{color:var(--muted);min-height:17px;margin-bottom:15px;font:10px monospace}.exercise h4{max-width:180px;margin-bottom:16px;font-size:15px;line-height:1.3}.exercise-meta{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;margin-top:auto;font-size:9px;display:flex}.difficulty{align-items:flex-end;gap:3px;height:11px;display:flex}.difficulty i{background:var(--line);border-radius:2px;width:3px;height:4px;display:block}.difficulty i:nth-child(2){height:7px}.difficulty i:nth-child(3){height:10px}.difficulty i.filled{background:var(--accent)}.exercise-arrow{color:var(--muted);position:absolute;top:17px;right:15px}.exercise.complete{background:var(--sage)}.exercise.complete .exercise-number{color:var(--good)}.challenge-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.storage-note{margin-top:25px}.panel{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:12px;padding:28px}.workspace{min-height:calc(100vh - 180px);padding-top:28px;padding-bottom:60px}.back-link{color:var(--muted);align-items:center;gap:7px;margin-bottom:25px;font-size:11px;display:inline-flex}.workspace-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px;display:flex}.workspace-heading h1{margin-top:10px;font-size:36px}.xp-pill{border:1px solid var(--line);background:var(--sage);white-space:nowrap;border-radius:6px;padding:8px 12px;font-size:10px;font-weight:600}.kata-layout{grid-template-columns:310px 1fr;gap:24px;display:grid}.brief-panel h2{margin:18px 0;font-size:23px}.brief-panel p{font-size:12px;line-height:1.85}.note-block{border-top:1px solid var(--line);color:var(--accent);gap:10px;margin-top:25px;padding-top:22px;display:flex}.note-block svg{flex-shrink:0;margin-top:3px}.note-block p{font-size:10px}.brief-panel .mascot{width:140px;margin:15px auto}.editor-panel{border:1px solid var(--line);background:var(--code);border-radius:12px;min-width:0;overflow:hidden}.editor-toolbar{color:#c8d5c9;background:#1b2c24;border-bottom:1px solid #33483c;justify-content:space-between;align-items:center;height:50px;padding:0 18px;font:11px monospace;display:flex}.editor-toolbar>span{align-items:center;gap:8px;display:flex}.editor-toolbar>div{align-items:center;gap:15px;display:flex}.editor-toolbar button{padding:6px;font-size:10px;display:flex}.editor-bottom{border-top:1px solid #33483c;justify-content:space-between;align-items:center;gap:12px;padding:15px 18px;display:flex}.editor-bottom .subtle{color:#a6b6a9;max-width:180px;font-size:9px}.editor-bottom .primary{color:#1b2c24;background:#e0e8d1}.editor-bottom .primary:hover:not(:disabled){color:#1b2c24;background:#edab82}.code-textarea{color:#e5e5e5;resize:vertical;white-space:pre;tab-size:4;background:#1e1e1e;border:0;border-radius:0;width:100%;min-height:440px;margin:0;font:12px/1.8 SFMono-Regular,Consolas,monospace;display:block;padding:20px!important}.editor-loading{color:#c8d5c9;place-items:center;height:440px;display:grid}.result-panel{border:1px solid var(--line);background:var(--surface);border-radius:12px;flex-wrap:wrap;justify-content:space-between;gap:22px;margin-top:24px;padding:26px;display:flex}.result-panel h2{margin:8px 0;font-size:22px}.result-panel p{font-size:11px}.result-panel.success{border-color:var(--good)}.result-panel.failure{border-color:var(--bad)}.result-actions{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.reference-code,.diagnostic{white-space:pre-wrap;word-break:break-word;max-width:100%;font:11px/1.8 monospace;overflow:auto}.reference-code{background:var(--code);color:#e0e8d1;border-radius:8px;flex-basis:100%;padding:20px}.diagnostic{color:var(--bad);margin-top:16px}.auth-layout{grid-template-columns:1fr 420px;align-items:center;gap:110px;min-height:calc(100vh - 180px);padding-top:65px;padding-bottom:70px;display:grid}.auth-art h1{max-width:420px;margin:22px 0;font-family:Georgia,serif;font-size:48px;font-weight:400}.auth-art>p{max-width:350px;font-size:14px}.auth-art>.mascot{margin:20px auto}.auth-caption{text-align:center;color:var(--muted);font-family:monospace;font-size:10px;display:block}.auth-panel{padding:35px}.auth-panel h2{margin:14px 0 28px;font-size:29px}.notice{border:1px solid var(--line);background:var(--surface-2);border-radius:7px;margin-bottom:22px;padding:13px;font-size:11px}.notice a{text-decoration:underline}.notice:empty{display:none}form label{flex-direction:column;gap:7px;margin-bottom:19px;font-size:11px;font-weight:600;display:flex}input,textarea,select{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:6px;min-width:0;min-height:42px;padding:11px 12px}input:hover,textarea:hover,select:hover{border-color:var(--muted)}textarea{resize:vertical;width:100%}.centered{justify-content:center;margin:18px auto 0;display:flex}.form-fine{text-align:center;margin-top:22px;font-size:9px}.form-message{margin:15px 0;font-size:11px}.form-message:empty{display:none}.form-page{max-width:680px;min-height:75vh;padding-top:40px;padding-bottom:55px}.form-page>.mascot{width:140px;margin:0 auto 15px}.form-page h1{margin:8px 0 24px;font-size:32px}.checkbox-label{flex-direction:row;align-items:flex-start;font-size:11px;font-weight:400}.checkbox-label input{width:16px;height:16px;min-height:0;accent-color:var(--accent);flex-shrink:0;margin-top:2px}.honeypot{opacity:0;position:absolute;left:-9999px}.prose{max-width:850px;min-height:72vh;padding-top:90px;padding-bottom:70px}.prose h1{margin:22px 0;font-family:Georgia,serif;font-size:48px;font-weight:400}.prose p{margin-bottom:30px;font-size:15px;line-height:2}.profile{--profile-green:#6b9a5e;padding-top:50px;padding-bottom:60px}.profile-heading{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:28px;padding-bottom:12px;display:grid}.profile-avatar{background:var(--sage);border-radius:50%;place-items:center;width:156px;height:156px;display:grid}.profile-heading .mascot{width:145px}.profile-heading h1{letter-spacing:-.035em;text-wrap:balance;max-width:560px;margin:12px 0;font-size:clamp(28px,3.2vw,40px);line-height:1.15}.profile-heading p{color:var(--muted);overflow-wrap:anywhere;margin:0 0 14px}.profile-level{background:var(--sage);color:var(--good);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:650;display:inline-block}.profile-streak{color:var(--accent);justify-items:center;gap:4px;padding:20px;display:grid}.profile-streak b{letter-spacing:-.04em;font-variant-numeric:tabular-nums;font-size:56px;line-height:1.1}.profile-streak span{color:var(--muted);font-size:13px}.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:28px 0;display:grid}.stat-grid>div{border:1px solid var(--line);background:var(--surface);border-radius:20px;grid-template-columns:minmax(0,1fr) auto;min-width:0;padding:24px;display:grid}.stat-grid svg{width:22px;color:var(--good);grid-column:2}.stat-grid b{overflow-wrap:anywhere;font-variant-numeric:tabular-nums;grid-row:1/3;font-size:40px;font-weight:650;line-height:1.3}.stat-grid span{color:var(--muted);grid-column:1/3;margin-top:12px;font-size:14px}.stat-grid .stat-xp{background:var(--profile-green);border-color:var(--profile-green);color:#fff}.stat-grid .stat-xp svg,.stat-grid .stat-xp span{color:#fff}.stat-grid .stat-xp span{font-size:19px;font-weight:750}.stat-grid .stat-streak{background:var(--copper)}.stat-grid .stat-streak svg{color:var(--accent)}.profile-goal{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:26px}.profile-section-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.profile h2{letter-spacing:-.025em;font-size:22px}.profile-goal h2{align-items:center;gap:10px;margin:0;display:flex}.profile-goal h2 svg,.profile-path-card>div>svg:first-child{color:var(--good)}.profile-goal progress,.profile-path-card progress{appearance:none;background:var(--surface-2);width:100%;height:10px;color:var(--profile-green);border:0;border-radius:999px;margin:16px 0 0;display:block;overflow:hidden}.profile-goal progress{height:18px}.profile progress::-webkit-progress-value{background:var(--profile-green);border-radius:999px}.profile progress::-moz-progress-bar{background:var(--profile-green);border-radius:999px}.profile-goal p{color:var(--good);align-items:center;gap:8px;margin:14px 0 0;font-weight:650;display:flex}.profile-goal.goal-met{border-color:var(--profile-green)}.profile-paths,.profile-achievements{margin:32px 0}.profile-path-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.profile-path-card{border:1px solid var(--line);background:var(--surface);border-radius:20px;min-width:0;padding:22px}.profile-path-card h3{margin:18px 0 10px;font-size:17px}.profile-path-card>b{font-variant-numeric:tabular-nums;font-size:24px}.profile-path-card>span{color:var(--muted);margin-top:12px;font-size:12px;display:block}.profile-path-card:hover,.profile .work-card:hover{border-color:var(--profile-green);box-shadow:var(--shadow)}.profile a:focus-visible,.profile button:focus-visible{outline:3px solid var(--good);outline-offset:4px}.profile-medal-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.profile-medal{border:1px solid var(--line);background:var(--surface-2);text-align:center;min-width:0;color:var(--muted);border-radius:20px;padding:22px 14px}.profile-medal-icon{border:2px solid var(--line);background:var(--surface);border-radius:50%;place-items:center;width:60px;height:60px;margin:0 auto 16px;display:grid}.profile-medal.earned{background:var(--surface);color:var(--ink)}.profile-medal.earned .profile-medal-icon{background:var(--sand);color:var(--accent);border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.profile-medal.earned .profile-medal-icon{border-color:color-mix(in srgb, var(--accent) 40%, var(--line))}}.profile-medal h3{margin:0 0 8px;font-size:15px}.profile-medal-state{font-size:12px;font-weight:700}.profile-medal.earned .profile-medal-state{color:var(--good)}.profile-medal p{color:var(--muted);margin:8px 0 0;font-size:12px;line-height:1.5}.profile .work-card{border-radius:20px;min-width:0;padding:20px}.profile .work-card.done{background:var(--sage)}.profile .work-card svg{color:var(--good);justify-self:end}.profile .panel{border-radius:20px;min-width:0}.profile-more{color:var(--muted);font-size:14px}.work-board{margin:8px 0 28px}.work-board h2{margin:18px 0 10px;font-size:22px}.work-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;display:grid}.work-card{border:1px solid var(--line);background:var(--surface);border-radius:16px;gap:6px;min-height:96px;padding:16px;display:grid}.work-card span{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-size:11px;font-weight:750}.work-card b{font-size:16px}.work-card.done{background:var(--brand-soft)}.profile-grid{grid-template-columns:1fr 1.5fr;gap:22px;margin-bottom:25px;display:grid}.profile-grid .daily-card{align-self:start}.profile-grid h2{margin-bottom:20px;font-size:21px}.profile-grid p{font-size:12px}.category-stat{border-top:1px solid var(--line);justify-content:space-between;padding:9px 0;font-size:12px;display:flex}.inline-actions{gap:15px;margin-top:25px;display:flex}.offers{min-height:72vh;padding-top:64px;padding-bottom:72px}.offers-intro{max-width:640px}.offers-intro h1,.offers-intro h2,.admin-page h1{margin:14px 0;font-size:42px}.offers-intro p,.offer-note,.admin-page>p{color:var(--muted);line-height:1.7}.offer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:32px;display:grid}.offer-card{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:14px;padding:30px;position:relative}.offer-card.premium{border-color:var(--accent)}.offer-card h2,.offer-card h3{margin:0 0 12px;font-size:28px;font-weight:650}.offer-price{margin:0;font-size:15px}.offer-price strong{letter-spacing:-.04em;margin-right:4px;font-size:28px}.price-was{color:var(--muted);margin-right:8px;font-size:13px;text-decoration:line-through}.price-eq{color:var(--accent);margin-top:4px;font-size:12px;font-weight:650;display:block}.interval-toggle{border:1px solid var(--line);background:var(--surface);border-radius:999px;gap:4px;margin-top:22px;padding:4px;display:inline-flex}.interval-toggle button{color:var(--muted);min-height:36px;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:999px;padding:0 14px;font-size:13px}.interval-toggle button[aria-pressed=true]{color:#fff;background:#6b9a5e}.landing-offers{min-height:0;padding-top:24px}.sample-review{padding-top:64px;padding-bottom:10px}.sample-review h2{letter-spacing:-.045em;max-width:16ch;margin:16px 0 0;font-family:Georgia,Times New Roman,serif;font-size:clamp(32px,4vw,48px);font-weight:400;line-height:1.08}.sample-card{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:16px;margin-top:28px;overflow:hidden}.sample-card header{border-bottom:1px solid var(--line);justify-content:space-between;gap:12px;padding:16px 18px;font-size:12px;display:flex}.sample-card header span:first-child{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace}.sample-req{color:var(--muted);margin:0;padding:14px 18px 0;font-size:14px;line-height:1.6}.sample-code{white-space:pre-wrap;margin:14px 18px 0}.sample-bug{background:var(--bad)}@supports (color:color-mix(in lab, red, red)){.sample-bug{background:color-mix(in srgb, var(--bad) 18%, transparent)}}.sample-bug{border-radius:6px}.sample-rufa{align-items:center;gap:14px;padding:8px 18px 18px;display:flex}.sample-rufa .mascot{flex-shrink:0;width:72px}.sample-rufa p{margin:0;font-size:14px;line-height:1.6}.offer-card ul{gap:12px;padding:15px 0 24px;list-style:none;display:grid}.offer-card li{align-items:center;gap:8px;font-size:13px;display:flex}.offer-card li svg{color:var(--good);width:17px}.offer-badge{color:var(--accent);font-size:11px;position:absolute;top:18px;right:18px}.offer-message{color:var(--bad);margin-top:12px;font-size:12px}.offer-note{margin-top:18px;font-size:12px}.paywall{text-align:left}.paywall>svg{color:var(--accent)}.diagnosis-card b{margin-bottom:8px;font-size:25px;display:block}.lives-card{margin-bottom:25px}.lives-card p{color:var(--muted);margin:10px 0 16px;font-size:13px;line-height:1.6}.billing-portal{justify-items:start;gap:8px;margin-top:18px;display:grid}.billing-portal p{max-width:66ch;color:var(--muted);margin:0;font-size:12px;line-height:1.55}.legal-page{padding-top:64px;padding-bottom:80px}.legal-page h2{margin-top:34px}.admin-page{max-width:720px;min-height:72vh;padding-top:64px;padding-bottom:72px}.admin-form{gap:18px;margin-top:25px;display:grid}.admin-form label{gap:8px;font-size:13px;display:grid}.admin-form input,.admin-form select{border:1px solid var(--line);background:var(--surface);min-height:42px;color:inherit;border-radius:8px;padding:0 10px}@media (max-width:680px){.offer-grid{grid-template-columns:1fr}.offers-intro h1,.offers-intro h2,.admin-page h1{font-size:34px}.sample-review h2{max-width:none;font-size:32px}.sample-rufa{align-items:flex-start}.interval-toggle{flex-wrap:wrap}}.pr-status{background:var(--sage);border-radius:20px;align-items:center;gap:6px;padding:7px 12px;font-size:11px;display:flex}.review-context{grid-template-columns:1fr 1.3fr;gap:50px;padding:0 0 28px;font-size:12px;display:grid}.review-context b{font-size:11px}.review-context div p{margin-top:6px}.review-brief{gap:8px;margin:0 0 18px;display:grid}.review-brief p{margin:0;line-height:1.55}.review-actions{gap:8px;margin-top:16px;display:grid}.review-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:20px;display:grid}.help-x{flex-shrink:0;position:relative}.help-x-trigger{border:1px solid var(--line);background:var(--surface);color:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:8px 14px;font-size:13px;font-weight:700;display:inline-flex}.help-x-trigger svg{width:14px;height:14px}.help-x-card{z-index:30;border:1px solid var(--line);background:var(--surface);width:min(320px,78vw);box-shadow:var(--shadow);border-radius:16px;gap:12px;padding:14px;display:grid;position:absolute;top:calc(100% + 8px);right:0}.help-x-card p{margin:0;font-size:14px;line-height:1.45}.list-sub{margin:28px 0 12px;font-size:20px}.page-swap{animation:.38s page-in}.page-fox{z-index:40;pointer-events:none;width:108px;animation:.9s cubic-bezier(.2,.7,.2,1) both rufa-dash;position:fixed;bottom:64px;left:0}.page-fox .mascot{width:108px}.page-fox .fox-body{animation:.18s ease-in-out infinite rufa-bob}@keyframes page-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes rufa-dash{0%{opacity:0;transform:translate(-130px)}14%{opacity:1}to{opacity:0;transform:translate(calc(100vw + 20px))}}@keyframes rufa-bob{50%{transform:translateY(-7px)rotate(-3deg)}}.diff-panel{border:1px solid var(--line);border-radius:10px;min-width:0;overflow:hidden}.diff-header{background:var(--surface-2);justify-content:space-between;padding:15px 18px;font:11px monospace;display:flex}.diff-count{color:var(--good)}.diff-count>span{color:var(--bad);margin-left:7px}.diff-hunk{background:var(--surface);color:var(--muted);padding:11px 16px;font:10px monospace}.diff-lines{background:var(--surface);overflow-x:hidden}.review-source{white-space:pre-wrap;border-radius:0;margin:0;font-size:13px;overflow-x:hidden}.diff-line{text-align:left;border-bottom:1px solid #00000003;align-items:stretch;gap:0;width:100%;min-height:33px;padding:0;font:11px/1.7 SFMono-Regular,Consolas,monospace;display:flex;position:relative}.diff-line>span:first-child{text-align:right;width:38px;color:var(--muted);-webkit-user-select:none;user-select:none;flex-shrink:0;padding:6px 10px 6px 0}.diff-line>span:nth-child(2){-webkit-user-select:none;user-select:none;flex-shrink:0;width:20px;padding:6px 0}.diff-line code{white-space:pre-wrap;overflow-wrap:anywhere;flex:1;min-width:0;padding:6px 10px 6px 0}.diff-line.added{background:#3d954010}.diff-line.removed{color:var(--muted);background:#d34b3a0c}.diff-line.added:hover,.diff-line.selected{background:#748c7130}.line-plus{opacity:0;flex-shrink:0;align-self:center;margin:0 8px}.diff-line:hover .line-plus,.diff-line:focus-visible .line-plus{opacity:1}.inline-comment{background:var(--surface-2);border-block:1px solid var(--line);margin:0;padding:20px}.inline-comment label{margin-bottom:12px}.saved-comment{border:1px solid var(--line);border-left:2px solid var(--accent);background:var(--surface);border-radius:5px;justify-content:space-between;gap:10px;margin:8px 15px;padding:12px;font-size:11px;display:flex}.saved-comment b{color:var(--accent);font-size:10px;display:block}.saved-comment button{align-self:start}.review-sidebar{padding:22px;position:sticky;top:20px}.review-sidebar h2{margin:15px 0;font-size:20px}.review-sidebar>p{font-size:11px}.review-sidebar .mascot{width:120px;margin:15px auto 0}.review-sidebar fieldset{border:0;border-top:1px solid var(--line);margin:25px 0 18px;padding:15px 0 0}.review-sidebar legend{padding:0 10px 0 0;font-size:11px;font-weight:600}.verdict{align-items:center;gap:8px;margin:8px 0;font-size:11px;display:flex}.verdict input{accent-color:var(--accent);width:14px;height:14px;min-height:0}.review-sidebar .button{padding:12px;font-size:11px}.comment-summary{border-bottom:1px solid var(--line);border-left:3px solid var(--accent);grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:8px;padding:8px;display:grid}.comment-summary b{color:var(--accent);font-size:10px}.comment-summary>.comment-jump{text-align:left;min-width:0;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:6px;gap:4px;padding:4px;display:grid}.comment-summary>.comment-jump:hover{background:var(--surface-2)}.comment-summary>.comment-jump:focus-visible,.comment-summary>.comment-remove:focus-visible{outline:3px solid var(--brand);outline-offset:2px}.comment-summary>.comment-jump>span{overflow-wrap:anywhere;font-size:11px}.comment-summary>.comment-remove{min-width:32px;min-height:32px;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:7px;align-self:start;place-items:center;display:grid}.comment-summary>.comment-remove:hover{color:var(--bad);border-color:var(--line)}.review-result{margin-top:35px}.result-heading{justify-content:space-between;align-items:center;gap:25px;margin-bottom:20px;display:flex}.result-heading h2{margin-top:8px;font-size:23px}.comparison-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.comparison-grid h3{margin-bottom:20px;font-size:21px}.comparison-grid p{margin:10px 0;font-size:12px}.comparison-grid a{font-size:10px;text-decoration:underline}.reference-defect b{color:var(--accent);font-size:11px}.review-result>.subtle{margin-top:20px}.design-description{max-width:750px;margin-bottom:25px;font-size:13px}.design-palette{border:1px solid var(--line);background:var(--surface);border-radius:12px;flex-wrap:wrap;gap:7px;padding:10px;display:flex}@supports (color:color-mix(in lab, red, red)){.design-palette{background:color-mix(in srgb, var(--surface) 82%, var(--brand-soft))}}.palette-item{border:1px solid var(--line);background:var(--surface);cursor:grab;border-radius:8px;align-items:center;gap:4px;padding:8px 10px;font-size:10px;transition:transform .16s,border-color .16s,box-shadow .16s;display:flex}.palette-item:hover{border-color:var(--accent);box-shadow:0 4px 10px var(--ink)}@supports (color:color-mix(in lab, red, red)){.palette-item:hover{box-shadow:0 4px 10px color-mix(in srgb, var(--ink) 10%, transparent)}}.palette-item:hover{transform:translateY(-1px)}.palette-item:active{cursor:grabbing;transform:scale(.98)}.graph-help{align-items:center;gap:6px;margin:15px 0;font-size:10px;display:flex}.flow-container{border:1px solid var(--line);height:420px}@supports (color:color-mix(in lab, red, red)){.flow-container{border:1px solid color-mix(in srgb, var(--line) 85%, var(--brand))}}.flow-container{background:radial-gradient(circle at 50% 0%, var(--brand-soft), transparent 46%), var(--surface);box-shadow:inset 0 1px 0 #fff9, 0 10px 24px var(--ink);border-radius:14px;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.flow-container{box-shadow:inset 0 1px 0 #fff9, 0 10px 24px color-mix(in srgb, var(--ink) 7%, transparent)}}.react-flow{--xy-node-background-color:var(--surface);--xy-node-color:var(--ink);--xy-node-border:1px solid var(--line);--xy-controls-button-background-color:var(--surface);--xy-controls-button-color:var(--ink);--xy-attribution-background-color:var(--surface)}.react-flow .react-flow__node.service{min-width:0;box-shadow:none;background:0 0;border:0;padding:0;font:12px Avenir Next,sans-serif}.service-node{border:1px solid var(--line);align-items:center;gap:10px;min-width:196px;min-height:64px;padding:10px 12px 10px 14px;display:flex;position:relative}@supports (color:color-mix(in lab, red, red)){.service-node{border:1px solid color-mix(in srgb, var(--line) 70%, #8aa4c8)}}.service-node{background:linear-gradient(180deg, white, var(--surface));border-radius:16px}@supports (color:color-mix(in lab, red, red)){.service-node{background:linear-gradient(180deg, color-mix(in srgb, white 72%, var(--surface)), var(--surface))}}.service-node{transition:border-color .14s,box-shadow .14s,transform .14s;box-shadow:inset 0 1px #fffc,0 10px 22px #1c283824}.service-glyph{color:#fff;background:#1f6feb;border-radius:10px;flex:none;place-items:center;width:34px;height:34px;font-weight:750;display:grid}.service-copy{min-width:0;display:grid}.service-kind{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-size:10px}.service-node.kind-database .service-glyph,.service-node.kind-replica .service-glyph{background:#0f7b4c}.service-node.kind-cache .service-glyph{background:#b26a00}.service-node.kind-queue .service-glyph,.service-node.kind-worker .service-glyph{background:#6b4ee6}.service-node.kind-cdn .service-glyph,.service-node.kind-storage .service-glyph{background:#0b7285}.service-node.kind-client .service-glyph{background:#3d4a5c}.service-node.kind-vault .service-glyph{background:#9b2335}.service-node:hover,.service-node.selected{border-color:var(--brand);box-shadow:0 3px 0 var(--brand-deep), 0 12px 20px var(--brand)}@supports (color:color-mix(in lab, red, red)){.service-node:hover,.service-node.selected{box-shadow:0 3px 0 var(--brand-deep), 0 12px 20px color-mix(in srgb, var(--brand) 20%, transparent)}}.service-node.selected{transform:translateY(-1px)}.service-node-grip{width:24px;color:var(--muted);cursor:grab;place-items:center;display:grid}.service-node-label{letter-spacing:-.01em;font-weight:750}.service-node-port{background:var(--brand);width:7px;height:7px;box-shadow:0 0 0 3px var(--brand-soft);border-radius:50%;margin-left:auto}.react-flow .react-flow__handle{background:var(--surface);border:3px solid var(--brand);width:11px;height:11px;transition:transform .14s,background .14s}.react-flow .react-flow__handle:hover{background:var(--brand);transform:scale(1.18)}.react-flow .react-flow__edge-path{stroke-linecap:round}.react-flow .react-flow__edge:hover .react-flow__edge-path{stroke-width:4px}.canvas-status{z-index:5;pointer-events:none;gap:8px;display:flex;position:absolute;bottom:12px;left:12px}.canvas-status span{border:1px solid var(--line);padding:5px 8px}@supports (color:color-mix(in lab, red, red)){.canvas-status span{border:1px solid color-mix(in srgb, var(--line) 85%, transparent)}}.canvas-status span{background:var(--surface);border-radius:999px}@supports (color:color-mix(in lab, red, red)){.canvas-status span{background:color-mix(in srgb, var(--surface) 90%, transparent)}}.canvas-status span{color:var(--muted);font-size:10px;font-weight:700}.graph-actions{flex-wrap:wrap;align-items:end;gap:12px;margin:18px 0 22px;display:flex}.graph-actions .button{font-size:11px}.keyboard-connect{flex-wrap:wrap;align-items:end;gap:10px;margin-right:auto;display:flex}.keyboard-connect label{flex-direction:column;gap:6px;font-size:10px;display:flex}.keyboard-connect select{max-width:180px;min-height:44px;font-size:11px}.graph-list{margin-bottom:20px;padding:15px 20px;font-size:11px}.graph-list summary{cursor:pointer}.graph-list-row{overflow-wrap:anywhere;justify-content:space-between;gap:10px;padding-top:10px;display:flex}.graph-list-row button{color:var(--accent);text-decoration:underline}.design-result{align-items:center;gap:30px;display:flex}.design-result>div{flex:1}.design-result h2{margin:10px 0 20px;font-size:25px}.design-result h3{margin:20px 0 12px;font-size:20px}.design-result p{max-width:680px;margin-bottom:20px;font-size:12px}.rule-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.rule-list li{align-items:center;gap:9px;font-size:11px;display:flex}.rule-list code{color:var(--muted);font-size:10px}.rule-list li>span{border-radius:4px;place-items:center;width:18px;height:18px;display:grid}.rule-list .passed>span{background:var(--sage);color:var(--good)}.rule-list .failed>span{background:var(--copper);color:var(--bad)}.design-result .mascot{width:150px}.success{border-color:var(--good)}.failure{border-color:var(--bad)}@keyframes breathe{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-4px)rotate(1deg)}}@keyframes celebrate{0%,to{transform:translateY(0)rotate(0)}35%{transform:translateY(-13px)rotate(-5deg)}65%{transform:translateY(-4px)rotate(4deg)}}@media (min-width:1000px){.hero-copy{animation:.7s both arrive}.hero-art{animation:.9s .1s both arrive}}@keyframes arrive{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media (max-width:1100px){.header-inner{gap:28px;padding:0 25px}.header nav{gap:18px}.header nav a{font-size:11px}.header-actions{gap:12px}.dashboard-hero{grid-template-columns:1.5fr .65fr}.dashboard-hero>.daily-card{grid-column:1/3;max-width:100%}.auth-layout{gap:60px}.proof-strip{gap:40px}.exercise-grid{grid-template-columns:repeat(2,1fr)}.hero{gap:30px}.hero-buttons{gap:16px}.hero-buttons .text-link{font-size:10px}.kata-layout{grid-template-columns:270px 1fr}.kata-page .kata-layout{grid-template-columns:minmax(320px,.95fr) minmax(0,1.1fr)}.header-login{display:none!important}}@media (max-width:760px){.wrap{padding-left:22px;padding-right:22px}.header-inner{flex-wrap:wrap;justify-content:space-between;gap:0;height:auto;min-height:76px;padding:16px 22px 0}.brand{font-size:33px}.brand-symbol{font-size:40px}.header-actions{gap:16px}.header nav{flex-basis:100%;order:3;justify-content:space-between;gap:5px;padding:18px 0 14px}.header nav a{gap:5px;font-size:10px}.header nav svg{width:13px}.hero{grid-template-columns:1fr;gap:35px;min-height:0;padding-top:38px;padding-bottom:35px}.hero h1{margin:20px 0;font-size:clamp(43px,9.8vw,64px)}.hero-copy>p{max-width:480px;font-size:14px}.hero .eyebrow{font-size:8px}.hero-buttons{flex-wrap:wrap;gap:16px;margin-top:25px}.hero-buttons .text-link{font-size:11px}.hero-art{border-radius:140px 140px 12px 12px;width:100%;max-width:470px;height:330px;margin:auto}.hero-art .mascot.large{width:220px}.code-one{top:70px}.code-two{bottom:80px}.fox-caption{bottom:19px}.mascot-ground{bottom:35px}.proof-strip{flex-wrap:wrap;gap:10px 25px;padding:17px 20px;font-size:8px}.proof-strip span:first-child{font-size:10px}.modes-section{padding-top:38px;padding-bottom:36px}.section-heading h2{max-width:300px;font-size:26px}.section-heading .eyebrow{font-size:8px}.section-heading>.mono{display:none}.mode-grid{grid-template-columns:1fr;gap:12px}.mode-card{padding:23px;position:relative}.mode-card h3{font-size:24px}.mode-top{margin-bottom:18px}.mode-card p{max-width:90%;font-size:12px}.mode-bottom{padding-top:20px}.invitation{flex-direction:column;align-items:start;padding-top:28px;padding-bottom:32px}.invitation h2{max-width:320px;font-size:28px}.invitation .button{font-size:11px}footer{flex-wrap:wrap;gap:15px;padding:25px 22px;font-size:9px}footer>span{max-width:180px}footer>div{gap:24px;width:100%;margin:0}.footer-brand{font-size:25px}.dashboard{padding-top:30px}.dashboard-hero{grid-template-columns:1fr 100px;gap:15px;padding-bottom:28px}.dashboard-hero h1{max-width:350px;font-size:30px}.dashboard-hero>.daily-card{grid-column:1/3;margin-top:10px}.dashboard-fox .mascot{width:120px;margin-left:-10px}.bubble{padding:6px;font-size:8px;top:-18px;left:-15px}.dashboard-hero>div>p{font-size:11px}.dashboard-hero .eyebrow{font-size:8px}.dashboard-hero .button{padding:11px 16px;font-size:11px}.list-heading{margin-top:28px}.list-heading h2{font-size:22px}.list-heading>span{font-size:10px}.path-section{grid-template-columns:1fr;gap:19px}.path-label h3{margin-bottom:5px;font-size:23px}.path-label p{font-size:10px}.exercise-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.exercise{min-height:145px;padding:15px}.exercise h4{font-size:15px}.exercise-meta{font-size:8px}.exercise-arrow{width:14px;right:12px}.challenge-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.workspace{padding-top:22px;padding-bottom:35px}.workspace-heading{gap:12px;margin-bottom:22px}.workspace-heading h1{font-size:28px}.workspace-heading .eyebrow{font-size:8px}.back-link{margin-bottom:20px}.kata-layout{grid-template-columns:1fr;gap:18px}.brief-panel{padding:22px}.brief-panel .mascot{display:none}.brief-panel h2{margin:12px 0}.brief-panel .note-block{margin-top:17px;padding-top:15px}.brief-panel>.subtle{margin-top:15px;font-size:10px}.editor-bottom{padding:12px}.editor-bottom .subtle{max-width:115px;font-size:8px}.editor-bottom .button{gap:8px;padding:11px 13px;font-size:11px}.code-textarea{min-height:380px;font-size:11px}.editor-toolbar{padding:0 12px;font-size:10px}.result-panel{padding:20px}.result-panel h2{font-size:21px}.auth-layout{grid-template-columns:1fr;gap:30px;padding-top:30px;padding-bottom:35px}.auth-art h1{margin:15px 0;font-size:35px}.auth-art>.mascot{width:140px;margin:0 auto}.auth-art>p{font-size:12px}.auth-caption{display:none}.auth-panel{padding:25px}.auth-panel h2{margin-bottom:22px;font-size:27px}.auth-art .eyebrow{font-size:8px}.form-page{padding-top:25px}.form-page h1{font-size:27px}.form-page .panel{padding:24px}.prose{min-height:70vh;padding-top:45px}.prose h1{font-size:36px}.prose p{font-size:13px}.inline-actions{flex-wrap:wrap}.review-context{grid-template-columns:1fr;gap:18px;font-size:11px}.review-layout{grid-template-columns:1fr}.review-sidebar{padding:22px;position:static}.review-sidebar .mascot{display:none}.diff-line{font-size:10px}.diff-line code{padding-right:4px}.diff-line>span:first-child{width:26px;padding-right:6px}.diff-line>span:nth-child(2){width:14px}.line-plus{opacity:.6;width:12px;margin:0 4px}.comparison-grid{grid-template-columns:1fr}.comparison-grid .panel{padding:22px}.result-heading{flex-direction:column;align-items:start;gap:15px}.result-heading h2{font-size:22px}.design-description{font-size:12px}.flow-container{height:350px}.graph-actions{gap:10px}.keyboard-connect{grid-template-columns:1fr 1fr;gap:9px;width:100%;display:grid}.keyboard-connect .button{grid-column:1/3}.keyboard-connect select{width:100%;max-width:none}.graph-actions>.button{flex:1;padding:11px 10px;font-size:11px}.design-result{padding:22px}.design-result>.mascot{display:none}.design-result h2{font-size:22px}.rule-list li{flex-wrap:wrap;gap:5px}.rule-list li code{flex-basis:100%;padding-left:23px}.palette-item{padding:7px;font-size:9px}.panel{padding:22px}}@media (max-width:680px){.profile{padding-top:28px}.profile-heading{grid-template-columns:minmax(0,1fr);gap:20px}.profile-avatar{width:132px;height:132px}.profile-heading .mascot{width:122px}.profile-heading h1{font-size:30px}.profile-heading p{font-size:14px}.profile-streak{background:var(--copper);border-radius:20px;justify-items:start;padding:18px 22px}.stat-grid,.profile-path-grid,.profile .work-grid,.profile-grid{grid-template-columns:minmax(0,1fr)}.profile-medal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-grid{gap:12px}.stat-grid>div,.profile-goal{padding:22px}.profile-medal{padding:24px}.profile-grid .panel{padding:22px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.flow-container .react-flow__attribution a{color:var(--muted)}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
:root{--brand:#2f7d4f;--brand-deep:#1f5c38;--brand-ink:#fff;--brand-soft:#e3f1e6;--bad-fill:#b8372b;--bad-deep:#87261d;--bad-soft:#fbe6e2;--gold:#e7a21b;--gold-soft:#fff1cf;--flame:#e8742c;--tok-keyword:#8a3ab9;--tok-type:#1d6f8a;--tok-string:#9a5a12;--tok-number:#2f7d4f;--tok-comment:#6b7a70;--spring:cubic-bezier(.34, 1.56, .64, 1)}:root[data-theme=dark]{--brand:#6cc68a;--brand-deep:#3f9862;--brand-ink:#0c1f15;--brand-soft:#1d3a29;--bad-fill:#f1a39c;--bad-deep:#c26b62;--bad-soft:#3e2421;--gold:#f3c35b;--gold-soft:#3a3020;--flame:#f59a5a;--tok-keyword:#d6a2f5;--tok-type:#84cfe6;--tok-string:#f0c58a;--tok-number:#9fdcb3;--tok-comment:#8e9c92}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.button.chunky{background:var(--brand);color:var(--brand-ink);letter-spacing:.02em;min-height:50px;box-shadow:0 4px 0 var(--brand-deep);transition:transform .12s var(--spring), box-shadow .12s, filter .15s;border-radius:14px;font-size:15px;font-weight:700}.button.chunky:hover:not(:disabled){filter:brightness(1.06);box-shadow:0 5px 0 var(--brand-deep);transform:translateY(-1px)}.button.chunky:active:not(:disabled){box-shadow:0 0 0 var(--brand-deep);transform:translateY(4px)}.button.chunky:disabled{background:var(--surface-2);color:var(--muted);box-shadow:0 4px 0 var(--line);opacity:1}.button.chunky.bad,.button.chunky.bad:hover:not(:disabled){background:var(--bad-fill);box-shadow:0 4px 0 var(--bad-deep);color:var(--brand-ink)}.button.full{width:100%}.xp-tag{background:#fff3;border-radius:99px;padding:1px 8px;font-size:12px}.icon-button[aria-expanded=true]{background:var(--surface-2)}.lesson-code{background:var(--surface);border:2px solid var(--line);color:var(--ink);text-align:left;border-radius:14px;margin:0;padding:14px 16px;font:500 14px/1.65 ui-monospace,SF Mono,Menlo,Consolas,monospace;overflow-x:auto}.lesson-code.mini{padding:10px 12px;font-size:13px}.code-line{white-space:pre;display:block}.tok-keyword{color:var(--tok-keyword);font-weight:600}.tok-type{color:var(--tok-type)}.tok-string{color:var(--tok-string)}.tok-number{color:var(--tok-number)}.tok-comment{color:var(--tok-comment);font-style:italic}.settings-menu{position:relative}.settings-pop{z-index:40;background:var(--surface);border:2px solid var(--line);min-width:230px;animation:pop-in .2s var(--spring);border-radius:16px;padding:8px;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 18px 40px #0000001f}.switch-row{text-align:left;border-radius:10px;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:10px;font-weight:600;display:flex}.switch-row:hover{background:var(--surface-2)}.switch{background:var(--line);border-radius:99px;flex:none;width:42px;height:24px;transition:background .2s;position:relative}.switch i{width:18px;height:18px;transition:transform .25s var(--spring);background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0003}.switch-row[aria-checked=true] .switch{background:var(--brand)}.switch-row[aria-checked=true] .switch i{transform:translate(18px)}.learn-page{padding-top:36px;padding-bottom:80px}.learn-head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px;display:flex}.learn-head p{max-width:460px;margin-top:8px}.stats-bar{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.stat-pill{border:2px solid var(--line);background:var(--surface);border-radius:99px;align-items:center;gap:6px;padding:6px 12px;font-size:15px;font-weight:700;display:inline-flex}.stat-pill.flame svg{color:var(--muted)}.stat-pill.flame.lit svg,.streak.lit svg{color:var(--flame);fill:var(--flame);transform-origin:50% 90%;animation:1.6s ease-in-out infinite flicker}.stat-pill.xp svg{color:var(--gold);fill:var(--gold)}.stat-pill.crown svg{color:var(--gold)}.stat-goal{border:2px solid var(--line);background:var(--surface);border-radius:99px;align-items:center;gap:8px;padding:6px 12px;font-size:13px;font-weight:600;display:inline-flex}.stat-goal progress{width:80px;height:8px;accent-color:var(--brand)}.path{--step:48px;max-width:560px;margin:0 auto}.unit{--unit:var(--brand);--unit-deep:var(--brand-deep);margin-bottom:34px}.unit-1{--unit:#22668a;--unit-deep:#174a66}.unit-2{--unit:#7643a0;--unit-deep:#573077}.unit-3{--unit:#994822;--unit-deep:#713418}.unit-4{--unit:#246565;--unit-deep:#194a4a}:root[data-theme=dark] .unit-1{--unit:#7cc3e6;--unit-deep:#4d93b5}:root[data-theme=dark] .unit-2{--unit:#c9a2ec;--unit-deep:#9672b8}:root[data-theme=dark] .unit-3{--unit:#edab82;--unit-deep:#b97b55}:root[data-theme=dark] .unit-4{--unit:#8ad4d0;--unit-deep:#5aa29e}.unit-banner{background:var(--unit);color:var(--brand-ink);box-shadow:0 5px 0 var(--unit-deep);border-radius:18px;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;display:flex}.unit-banner h2{color:inherit;font-size:21px}.unit-banner p,.unit-banner small{color:inherit}.unit-banner small{text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:700}.unit-count{background:#00000026;border-radius:99px;padding:6px 12px;font-size:15px;font-weight:800}.nodes{justify-items:center;gap:18px;margin:0;padding:26px 0 6px;list-style:none;display:grid}.node-row{transform:translateX(calc(var(--offset) * var(--step)));justify-items:center;display:grid;position:relative}.node-row:has(.start-bubble){z-index:1}.node{background:var(--unit);width:72px;height:66px;color:var(--brand-ink);box-shadow:0 7px 0 var(--unit-deep);transition:transform .15s var(--spring), box-shadow .15s;border-radius:50%;place-items:center;display:grid;position:relative}.node:hover{box-shadow:0 9px 0 var(--unit-deep);transform:translateY(-2px)}.node:active{box-shadow:0 1px 0 var(--unit-deep);transform:translateY(6px)}.node.locked{background:var(--surface-2);color:var(--muted);box-shadow:0 7px 0 var(--line)}.node.current:before{content:"";border:4px solid var(--unit);opacity:.35;border-radius:50%;animation:1.8s ease-out infinite ring;position:absolute;inset:-10px}.node-crowns{gap:3px;display:flex;position:absolute;bottom:-18px}.node-crowns i{background:var(--line);border:1px solid var(--surface);border-radius:50%;width:9px;height:9px}.node-crowns i.on{background:var(--gold)}.start-bubble{background:var(--surface);border:2px solid var(--line);color:var(--unit);text-transform:uppercase;letter-spacing:.08em;border-radius:12px;margin-bottom:10px;padding:6px 14px;font-size:12px;font-weight:800;animation:2.2s ease-in-out infinite bob;position:relative}.start-bubble:after{content:"";background:var(--surface);border-right:2px solid var(--line);border-bottom:2px solid var(--line);width:10px;height:10px;position:absolute;bottom:-7px;left:50%;transform:translate(-50%)rotate(45deg)}:root[data-theme=light] .start-bubble,:root:not([data-theme]) .start-bubble{color:var(--ink)}.node-mascot{pointer-events:none;position:absolute;top:10px;left:calc(100% + 18px)}.node-row.lean-right .node-mascot{left:auto;right:calc(100% + 18px)}.node-pop{z-index:20;background:var(--surface);border:2px solid var(--line);width:min(290px,86vw);animation:pop-in .22s var(--spring);text-align:left;border-radius:18px;gap:8px;padding:16px;display:grid;position:absolute;top:calc(100% + 22px);box-shadow:0 18px 40px #0000001c}.node-pop small{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:700}.node-pop h3{font-size:19px}.path-end{text-align:center;justify-items:center;gap:8px;padding-top:10px;display:grid}.path-end .mascot{width:130px}.mascot.small{flex:none;width:64px}.mascot.small svg{width:100%;height:auto}.focus-main{min-height:calc(100dvh - var(--path-header,86px))}.lesson{min-height:calc(100dvh - var(--path-header,86px));grid-template-rows:auto 1fr auto;display:grid}.lesson-top{align-items:center;gap:14px;padding:14px max(16px,50vw - 380px);display:flex}.lesson-progress{background:var(--surface-2);border-radius:99px;flex:1;height:16px;position:relative;overflow:hidden}.lesson-progress>span{border-radius:inherit;background:var(--brand);height:100%;transition:width .5s var(--spring);display:block;position:relative;box-shadow:inset 0 -4px #00000018}.lesson-progress>span:after{content:"";background:#ffffff59;border-radius:9px;height:3px;position:absolute;top:4px;left:8px;right:8px}.progress-glow{background:linear-gradient(90deg,#0000,#ffd27a66,#0000);animation:1.4s linear infinite shimmer;position:absolute;inset:0}.hearts{color:#e04f5f;align-items:center;gap:5px;font-size:16px;font-weight:800;display:inline-flex}.hearts.lost svg{animation:.5s heart-loss}.combo-toast{z-index:30;background:var(--gold-soft);color:var(--ink);border:2px solid var(--gold);animation:toast 1.8s var(--spring) forwards;border-radius:99px;align-items:center;gap:6px;padding:8px 16px;font-weight:800;display:flex;position:fixed;top:66px;left:50%;transform:translate(-50%)}.combo-toast svg{color:var(--flame);fill:var(--flame)}.lesson-stage{width:min(760px,100%);animation:step-in .35s var(--spring);outline:none;align-content:start;gap:20px;margin:0 auto;padding:12px 16px 28px;display:grid}.lesson-prompt{align-items:end;gap:12px;display:flex}.speech{border:2px solid var(--line);background:var(--surface);border-radius:18px;flex:1;padding:14px 16px;position:relative}.speech:before{content:"";background:var(--surface);border-left:2px solid var(--line);border-bottom:2px solid var(--line);width:14px;height:14px;position:absolute;bottom:18px;left:-9px;transform:rotate(45deg)}.speech small{color:var(--brand-deep);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px;font-size:11px;font-weight:800;display:block}:root[data-theme=dark] .speech small{color:var(--brand)}.speech h1{letter-spacing:-.02em;font-size:clamp(19px,2.6vw,24px)}.learn-card{gap:14px;display:grid}.learn-card>p{color:var(--ink);font-size:17px;line-height:1.6}.tip{background:var(--gold-soft);color:var(--ink);border-radius:14px;align-items:start;gap:8px;padding:12px 14px;display:flex}.tip svg{color:var(--gold);flex:none;margin-top:3px}.exercise-body{gap:16px;display:grid}.sub-hint{font-size:14px}.options{gap:10px;display:grid}@media (min-width:640px){.options:not(.mono){grid-template-columns:1fr 1fr}}.option{text-align:left;border:2px solid var(--line);background:var(--surface);box-shadow:0 3px 0 var(--line);transition:transform .12s var(--spring), border-color .15s, background .15s;border-radius:14px;align-items:center;gap:12px;padding:14px 16px;font-size:15px;font-weight:600;display:flex}.option:hover:not(:disabled){background:var(--surface-2)}.option:active:not(:disabled){box-shadow:none;transform:translateY(3px)}.option kbd{border:2px solid var(--line);width:26px;height:26px;color:var(--muted);border-radius:8px;flex:none;place-items:center;font:700 12px ui-monospace,monospace;display:grid}.options.mono .option-text,.option-text{white-space:pre-wrap}.options.mono .option-text,.option-text.code-text{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace}.option.selected,.bug-line.selected{border-color:var(--tok-type);background:color-mix(in srgb, var(--tok-type) 12%, var(--surface));box-shadow:0 3px 0 var(--tok-type)}.option.right,.bug-line.right{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 3px 0 var(--brand);animation:pop .35s var(--spring)}.option.wrong,.bug-line.wrong{border-color:var(--bad-fill);background:var(--bad-soft);box-shadow:0 3px 0 var(--bad-fill);animation:.4s shake}.option:disabled,.bug-line:disabled,.chip:disabled,.slot:disabled,.order-answer button:disabled{opacity:1;cursor:default}.bug-code{border:2px solid var(--line);background:var(--surface);border-radius:14px;display:grid;overflow:hidden}.bug-line{text-align:left;white-space:pre;border:2px solid #0000;align-items:center;gap:12px;padding:8px 12px;font:500 14px/1.5 ui-monospace,SF Mono,Menlo,Consolas,monospace;display:flex;overflow-x:auto}.bug-line.blank{min-height:12px;padding:0}.bug-line:hover:not(:disabled){background:var(--surface-2)}.ln{min-width:18px;color:var(--muted);text-align:right;flex:none;font:600 12px ui-monospace,monospace}.fill-code{line-height:2.4}.slot{vertical-align:middle;border:2px dashed var(--muted);min-width:64px;min-height:32px;font:inherit;background:var(--surface-2);border-radius:9px;margin:0 3px;padding:2px 10px;line-height:1.5;display:inline-block}.slot.filled{border-style:solid;border-color:var(--tok-type);background:var(--surface);box-shadow:0 2px 0 var(--tok-type);animation:pop .25s var(--spring)}.slot.right{border-color:var(--brand);background:var(--brand-soft)}.slot.wrong{border-color:var(--bad-fill);background:var(--bad-soft)}.bank,.order-pool,.mini-bank{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.chip{border:2px solid var(--line);background:var(--surface);box-shadow:0 3px 0 var(--line);transition:transform .12s var(--spring), opacity .15s;touch-action:manipulation;border-radius:12px;padding:10px 14px;font:600 14px ui-monospace,SF Mono,Menlo,Consolas,monospace}.chip:hover:not(:disabled){transform:translateY(-2px)}.chip:active:not(:disabled){box-shadow:none;transform:translateY(3px)}.chip.used{color:#0000;background:var(--surface-2);box-shadow:none}.chip.used code,.chip.used *{visibility:hidden}.chip.line{text-align:left;width:100%;font-family:inherit;font-size:15px}.order-pool.code .chip.line,.order-answer.code button{white-space:pre;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;overflow-x:auto}.order-answer{border:2px dashed var(--line);border-radius:16px;gap:8px;min-height:60px;margin:0;padding:10px;list-style:none;display:grid}.order-answer.right{border-color:var(--brand);background:var(--brand-soft);border-style:solid}.order-answer.wrong{border-color:var(--bad-fill);background:var(--bad-soft);border-style:solid}.order-answer li.placeholder{background:var(--surface-2);opacity:.6;border-radius:10px;height:40px}.order-answer button{text-align:left;background:var(--surface);border:2px solid var(--line);width:100%;animation:pop .25s var(--spring);border-radius:10px;align-items:center;gap:10px;padding:10px 12px;font-size:15px;display:flex}.type-answer{gap:6px;font-weight:700;display:grid}.type-answer input{border:2px solid var(--line);background:var(--surface);width:100%;color:var(--ink);border-radius:14px;padding:14px 16px;font:500 16px ui-monospace,SF Mono,Menlo,Consolas,monospace}.type-answer input:focus{border-color:var(--tok-type);box-shadow:0 0 0 4px color-mix(in srgb, var(--tok-type) 20%, transparent);outline:none}.type-answer input.right{border-color:var(--brand);background:var(--brand-soft)}.type-answer input.wrong{border-color:var(--bad-fill);background:var(--bad-soft);animation:.4s shake}.lesson-foot{border-top:2px solid var(--line);background:var(--bg);transition:background .25s;position:sticky;bottom:0}.lesson-foot.good{background:var(--brand-soft);border-color:#0000}.lesson-foot.bad{background:var(--bad-soft);border-color:#0000}.foot-inner{width:min(760px,100%);padding:16px 16px max(16px, env(safe-area-inset-bottom));gap:12px;margin:0 auto;display:grid}.feedback{animation:slide-up .3s var(--spring);gap:8px;max-height:46dvh;display:grid;overflow-y:auto}.feedback h2{font-size:22px}.lesson-foot.good .feedback h2{color:var(--brand-deep)}.lesson-foot.bad .feedback h2{color:var(--bad-deep)}:root[data-theme=dark] .lesson-foot.good .feedback h2{color:var(--brand)}:root[data-theme=dark] .lesson-foot.bad .feedback h2{color:var(--bad-fill)}.feedback p{color:var(--ink);font-size:15px}.solution pre{background:var(--surface);white-space:pre-wrap;border-radius:10px;margin:4px 0 0;padding:10px 12px;font:500 14px/1.5 ui-monospace,SF Mono,Menlo,Consolas,monospace}.hint svg,.node-pop p svg,.path-end p svg{color:var(--gold);vertical-align:-2px;display:inline-block}.note{font-weight:600}.foot-actions{justify-content:space-between;align-items:center;gap:12px;display:flex}.foot-actions .button{min-width:min(220px,100%);margin-left:auto}.kbd-hint{color:var(--muted);font-size:12px}@media (max-width:640px){.kbd-hint{display:none}.foot-actions .button{width:100%}.lesson-prompt .mascot.small{width:52px}}.lesson-loading{min-height:60dvh}.lesson-locked,.lesson-finish{text-align:center;justify-items:center;gap:14px;padding-top:40px;padding-bottom:60px;display:grid}.lesson-finish h1{animation:pop .5s var(--spring);outline:none}.lesson-finish .mascot.large{width:200px}.finish-stats{grid-template-columns:repeat(2,minmax(0,150px));justify-content:center;gap:12px;display:grid}@media (min-width:640px){.finish-stats{grid-template-columns:repeat(4,150px)}}.finish-stats>p,.finish-stats>.notice{grid-column:1/-1}.finish-card{border:2px solid var(--line);background:var(--surface);animation:rise .5s var(--spring) both;border-radius:16px;justify-items:center;gap:2px;padding:14px 10px;display:grid}.finish-card:nth-child(2){animation-delay:.1s}.finish-card:nth-child(3){animation-delay:.2s}.finish-card:nth-child(4){animation-delay:.3s}.finish-card b{font-variant-numeric:tabular-nums;font-size:26px}.finish-card span{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-size:12px;font-weight:700}.finish-card.xp svg{color:var(--gold);fill:var(--gold)}.finish-card.acc svg{color:var(--tok-type)}.finish-card .flame-icon{color:var(--flame);fill:var(--flame);transform-origin:50% 90%;animation:1.4s ease-in-out infinite flicker}.crown-row{align-items:center;gap:2px;min-height:39px;display:flex}.crown-row svg{color:var(--line)}.crown-row svg.on{color:var(--gold);fill:var(--gold-soft);animation:pop .45s var(--spring) both}.learned{text-align:left;background:var(--surface);border:2px solid var(--line);border-radius:18px;width:min(520px,100%);padding:18px 20px}.learned h2{margin-bottom:8px;font-size:18px}.learned ul{gap:8px;margin:0;padding-left:0;list-style:none;display:grid}.learned li{padding-left:26px;animation:.4s both rise;position:relative}.learned li:before{content:"✓";background:var(--brand);width:18px;height:18px;color:var(--brand-ink);border-radius:50%;place-items:center;font-size:11px;font-weight:800;display:grid;position:absolute;top:0;left:0}.confetti{pointer-events:none;z-index:50;position:fixed;inset:0;overflow:hidden}.confetti i{top:-20px;left:var(--x);background:var(--c);width:9px;height:14px;transform:rotate(var(--r)) scale(var(--s));animation:fall 2.6s cubic-bezier(.2, .6, .4, 1) var(--d) forwards;border-radius:2px;position:absolute}.segmented{background:var(--surface-2);border-radius:12px;grid-template-columns:1fr 1fr;margin-bottom:14px;padding:4px;display:grid}.segmented button{color:var(--muted);border-radius:9px;padding:8px;font-weight:700}.segmented button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px #0000001a}.local-mode{gap:10px;display:grid}.how{gap:10px;padding-top:70px;display:grid}.how-grid{gap:14px;margin-top:16px;display:grid}@media (min-width:760px){.how-grid{grid-template-columns:repeat(3,1fr)}}.how-card{border:2px solid var(--line);background:var(--surface);transition:transform .2s var(--spring);border-radius:20px;align-content:start;gap:12px;padding:20px;display:grid}.how-card:hover{transform:translateY(-3px)rotate(-.5deg)}.how-card small{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:800}.mini-bank{justify-content:start}.mini-bank .chip{padding:6px 10px}.mini-feedback{background:var(--brand-soft);color:var(--brand-deep);border-radius:12px;padding:10px 14px;font-size:17px}:root[data-theme=dark] .mini-feedback{color:var(--brand)}.mascot .fox-tail{transform-origin:150px 210px;animation:2.8s ease-in-out infinite wag}.mascot .fox-eyes{transform-origin:122px 106px;animation:5s infinite blink}.mascot.happy .fox-body{animation:hop .6s var(--spring)}.mascot.sad .fox-body{animation:.6s forwards droop}.mascot.sad .fox-ears{transform-origin:122px 70px;transform:scaleY(.92)}.mascot.streak .fox-body,.mascot.celebrate .fox-body{animation:jump .9s var(--spring) infinite alternate}.mascot.thinking .fox-body{transform-origin:122px 230px;animation:2.4s ease-in-out infinite tilt}.mascot .fox-thought circle{animation:1.4s ease-in-out infinite thought}.mascot .fox-thought circle:nth-child(2){animation-delay:.2s}.mascot .fox-thought circle:nth-child(3){animation-delay:.4s}.mascot .fox-flame{transform-origin:120px 50px;animation:.9s ease-in-out infinite flicker}@keyframes step-in{0%{opacity:0;transform:translate(28px)}}@keyframes slide-up{0%{opacity:0;transform:translateY(16px)}}@keyframes pop-in{0%{opacity:0;transform:scale(.92)translateY(-6px)}}@keyframes pop{0%{transform:scale(.9)}60%{transform:scale(1.06)}to{transform:scale(1)}}@keyframes rise{0%{opacity:0;transform:translateY(14px)}}@keyframes shake{20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}}@keyframes ring{0%{opacity:.5;transform:scale(.9)}to{opacity:0;transform:scale(1.25)}}@keyframes bob{50%{transform:translateY(-5px)}}@keyframes flicker{0%,to{transform:scale(1)rotate(-2deg)}50%{transform:scale(1.12)rotate(3deg)}}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}@keyframes heart-loss{30%{transform:scale(1.4)}60%{transform:scale(.8)}}@keyframes toast{0%{opacity:0;transform:translate(-50%,-10px)scale(.8)}15%,80%{opacity:1;transform:translate(-50%)scale(1)}to{opacity:0;transform:translate(-50%,-6px)}}@keyframes fall{to{transform:translateY(110vh) rotate(calc(var(--r) + 540deg)) scale(var(--s));opacity:.9}}@keyframes wag{50%{transform:rotate(6deg)}}@keyframes blink{0%,94%,to{transform:scaleY(1)}97%{transform:scaleY(.1)}}@keyframes hop{40%{transform:translateY(-14px)}}@keyframes droop{to{transform:translateY(6px)rotate(-3deg)}}@keyframes jump{0%{transform:translateY(0)}to{transform:translateY(-12px)rotate(2deg)}}@keyframes tilt{50%{transform:rotate(-4deg)}}@keyframes thought{50%{opacity:.2;transform:translateY(-3px)}}@media (max-width:560px){.path{--step:34px}.node-mascot,.stat-goal span{display:none}}@media (prefers-reduced-motion:reduce){.confetti{display:none}.lesson-progress>span{transition:none}}.auth-panel form+.button{margin-top:12px}.tutor{gap:10px;display:grid}.tutor-actions{flex-wrap:wrap;gap:8px;display:flex}.tutor-button,.tutor-stop{border:2px solid var(--line);background:var(--surface);color:var(--ink);transition:transform .12s var(--spring);border-radius:99px;align-items:center;gap:8px;padding:8px 14px;font-size:14px;font-weight:700;display:inline-flex}.tutor-button svg{color:var(--gold)}.tutor-button:hover:not(:disabled){border-color:var(--gold);transform:translateY(-1px)}.tutor-button:active:not(:disabled){transform:translateY(2px)}.tutor-stop{color:var(--muted);font-size:13px}.tutor-card{border:2px solid var(--gold);background:var(--gold-soft);animation:slide-up .3s var(--spring);border-radius:16px;align-items:start;gap:10px;padding:12px 14px;display:flex}.tutor-card .mascot.small{width:48px}.tutor-text{gap:6px;min-width:0;display:grid}.tutor-text small{text-transform:uppercase;letter-spacing:.08em;color:var(--ink);font-size:11px;font-weight:800}.tutor-text p{color:var(--ink);white-space:pre-wrap;font-size:15px}.tutor-text code{background:var(--surface);border-radius:6px;padding:1px 5px;font:600 13px ui-monospace,SF Mono,Menlo,Consolas,monospace}.tutor-text p.typing:after{content:"";vertical-align:-2px;background:var(--ink);width:2px;height:1.05em;margin-left:2px;animation:.8s step-end infinite caret;display:inline-block}.tutor-fine{color:var(--muted)!important;font-size:12px!important}.tutor-error{font-weight:700}.dots{gap:3px;margin-left:6px;display:inline-flex}.dots i{background:var(--ink);border-radius:50%;width:5px;height:5px;animation:1s ease-in-out infinite thought}.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}@keyframes caret{50%{opacity:0}}.stat-pill.lives svg{color:var(--bad)}.stat-pill.lives.empty svg{color:var(--muted)}.placement-dialog{border:1px solid var(--line);background:var(--surface);width:min(560px,100vw - 32px);max-height:calc(100dvh - 32px);color:var(--ink);box-shadow:var(--shadow);border-radius:20px;margin:auto;padding:24px;inset:0;overflow:auto}.placement-dialog::backdrop{background:#0d1a1499}.placement-close{float:right}.placement-head{align-items:center;gap:12px;margin-bottom:12px;display:flex}.placement-head h2{margin:0;font-size:1.25rem}.placement-head h2:focus{outline:none}.placement-body{gap:14px;display:grid}.placement-levels{border:0;gap:8px;margin:0;padding:0;display:grid}.placement-levels .option input{accent-color:var(--good);width:18px;height:18px}.placement-levels .option:focus-within{outline:3px solid var(--good);outline-offset:2px}.placement-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.placement-error{color:var(--bad);font-weight:600}.out-of-lives{text-align:left;justify-items:stretch;gap:14px;max-width:420px;margin-inline:auto;display:grid}.out-of-lives h2,.out-lead{text-align:center;margin:0}.out-lead{color:var(--muted)}.lives-plus{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:16px;gap:10px;padding:16px;display:grid}.lives-plus-top{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.lives-plus-top strong{font-size:1.15rem}.lives-plus ul{gap:4px;margin:0;padding-left:1.1rem;display:grid}.lives-plus p{color:var(--muted);margin:0;font-size:.92rem}.lives-plus .button{width:100%}.reward-ad{justify-items:center;gap:6px;display:grid}.reward-note{color:var(--muted);margin:0;font-size:.9rem}
.difficulty{gap:3px;display:inline-flex}.difficulty i{background:var(--line);border-radius:3px;width:14px;height:6px}.difficulty i.filled{background:var(--brand)}.kata-meta{flex-wrap:wrap;align-items:center;gap:12px;margin-top:10px;display:flex}.concept-chip{background:var(--brand-soft);color:var(--brand-deep);border-radius:99px;padding:3px 12px;font-size:12px;font-weight:600}:root[data-theme=dark] .concept-chip{color:var(--brand)}.kata-stats{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.kata-brief h3{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:20px 0 8px;font-size:13px}.kata-brief .kata-story{font-size:14px;line-height:1.7}.kata-brief code,.tests-panel code,.solution-card code,.rv-explain code{background:var(--surface-2);border-radius:5px;padding:1px 5px;font-size:.92em}.kata-rules,.example-list,.hint-ladder,.case-list,.diag-list{margin:0;padding:0;list-style:none}.kata-rules li{gap:8px;margin-bottom:6px;font-size:13px;line-height:1.6;display:flex}.kata-rules svg{color:var(--brand);flex-shrink:0;margin-top:4px}.kata-signature{margin:12px 0 14px;font-size:13px}.io-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.io-list li{border:1px solid var(--line);background:var(--surface);border-radius:12px;gap:6px;padding:10px 12px;display:grid}.io-list li>div{gap:2px;display:grid}.io-list span{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:10px;font-weight:750}.io-list code{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12.5px}.io-list b{color:var(--brand-deep);font-size:13px}.io-list small{color:var(--muted);font-size:12px;line-height:1.45}.example-list li{background:var(--surface-2);border-radius:12px;gap:4px;margin-bottom:8px;padding:10px 12px;display:grid}.example-list .ex-call{white-space:pre-wrap;overflow-wrap:anywhere;background:0 0;padding:0;font-size:12px;display:block}.example-list .ex-arrow{color:var(--brand-deep);font-size:13px}:root[data-theme=dark] .example-list .ex-arrow{color:var(--brand)}.example-list small{color:var(--muted);font-size:12px;line-height:1.5}.hint-ladder li{border:1px dashed var(--line);color:var(--muted);border-radius:12px;margin-bottom:6px;padding:8px 12px;font-size:13px}.hint-ladder li span{align-items:center;gap:6px;display:inline-flex}.hint-ladder li.open{border:1px solid var(--brand);background:var(--brand-soft);color:var(--ink);animation:pop-in .3s var(--spring)}.hint-ladder li p{margin:0;font-size:13px;line-height:1.6}.hint-button{border:2px solid var(--line);background:var(--surface);border-radius:12px;align-items:center;gap:8px;padding:8px 14px;font-size:13px;font-weight:700;display:inline-flex}.hint-button:hover{border-color:var(--brand)}.editor-panel.kata-editor{align-self:stretch}.kata-page.wrap{max-width:min(1680px,100vw - 20px);padding-left:12px;padding-right:12px}.kata-page .kata-layout{grid-template-columns:minmax(440px,1fr) minmax(520px,1.15fr);align-items:start;gap:16px}.run-button{min-height:44px}.kata-tabs,.pr-tabs{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:2px;margin:14px 0 18px;padding:0;display:flex;overflow-x:hidden}.kata-tabs button,.pr-tabs button{color:var(--muted);min-height:38px;font:inherit;background:0 0;border:0;border-bottom:2px solid #0000;padding:0 10px;font-size:13px;font-weight:700}.kata-tabs button:hover,.pr-tabs button:hover{color:var(--ink);background:var(--surface-2)}.kata-tabs button.on,.pr-tabs button.on{color:var(--ink);border-bottom-color:var(--brand)}.kata-solution-tab{gap:12px;padding:4px 0;display:grid}.kata-solution-tab>svg{color:var(--muted)}.kata-solution-tab h2,.kata-solution-tab h3,.kata-solution-tab p{margin:0}.kata-solution-tab p{font-size:13px;line-height:1.65}.lite-editor{background:#14201b;grid-template-columns:auto 1fr;display:grid;position:relative}.lite-gutter{color:#9db0a3;text-align:right;-webkit-user-select:none;user-select:none;flex-direction:column;height:440px;padding:16px 10px 16px 14px;font:13px/22px SFMono-Regular,Consolas,monospace;display:flex;overflow:hidden}.lite-gutter .err{color:#f1a39c;font-weight:700}.lite-body{min-width:0;height:440px;position:relative}.lite-layer,.lite-input{white-space:pre;tab-size:4;border:0;margin:0;padding:16px 14px;font:13px/22px SFMono-Regular,Consolas,monospace;position:absolute;inset:0}.lite-layer{overflow:hidden}.lite-input{overflow:auto}.lite-layer{color:#e6efe3;pointer-events:none;background:0 0}.lite-layer code{font:inherit}.lite-layer .tok-keyword{color:#d6a2f5}.lite-layer .tok-type{color:#84cfe6}.lite-layer .tok-string{color:#f0c58a}.lite-layer .tok-number{color:#9fdcb3}.lite-layer .tok-comment{color:#8e9c92}.lite-line{display:inline}.lite-line.err{background:#f1a39c26;box-shadow:-14px 0 #f1a39c26,400px 0 #f1a39c26}.lite-input{color:#0000;caret-color:#e6efe3;resize:none;-webkit-text-fill-color:transparent;background:0 0;outline:none}.lite-input::selection{-webkit-text-fill-color:transparent;background:#6cc68a55}.lite-editor:focus-within{box-shadow:inset 0 0 0 2px var(--brand)}.lite-keys{color:#a6b6a9;border-top:1px solid #33483c;grid-column:1/-1;margin:0;padding:6px 14px;font-size:11px}.tests-panel{gap:14px;margin-top:24px;display:grid}.tests-head{justify-content:space-between;align-items:center;display:flex}.tests-head h2{margin:0;font-size:20px}.tests-count{color:var(--muted);font-weight:700}.tests-bar{background:var(--surface-2);border-radius:99px;height:10px;overflow:hidden}.tests-bar span{background:var(--brand);height:100%;transition:width .7s var(--spring);border-radius:99px;display:block}.case-list{gap:8px;display:grid}.case{border:2px solid var(--line);background:var(--surface);animation:.35s both step-in;animation-delay:calc(var(--i) * 60ms);border-radius:14px;grid-template-columns:30px 1fr;align-items:start;gap:12px;padding:12px 14px;display:grid}.case.ok{border-color:var(--brand);background:var(--brand-soft)}.case.bad{border-color:var(--bad-fill);background:var(--bad-soft);animation-name:shake}.case-icon{background:var(--surface-2);width:26px;height:26px;color:var(--muted);border-radius:50%;place-items:center;font-size:12px;font-weight:700;display:grid}.case.ok .case-icon{background:var(--brand);color:var(--brand-ink);animation:pop .4s var(--spring)}.case.bad .case-icon{background:var(--bad-fill);color:var(--brand-ink)}.case-list.busy .case{animation:1s ease-in-out infinite pulse-case;animation-delay:calc(var(--i) * .12s)}@keyframes pulse-case{50%{opacity:.55}}.case>div{gap:4px;min-width:0;display:grid}.case-call{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;display:block;background:0 0!important;padding:0!important}.case-want,.case-got{font-size:13px}.case-got{color:var(--bad-deep)}:root[data-theme=dark] .case-got{color:var(--bad-fill)}.case-hidden small{color:var(--muted);display:block}.verdict{animation:slide-up .4s var(--spring);border:2px solid;border-radius:18px;grid-template-columns:auto 1fr;align-items:start;gap:16px;padding:18px;display:grid}.verdict.success{border-color:var(--brand);background:var(--brand-soft)}.verdict.failure{border-color:var(--bad-fill);background:var(--bad-soft)}.verdict h2{margin:0 0 4px;font-size:19px}.verdict p{margin:0;font-size:14px}.verdict .mascot.small{width:64px}.diag-list{gap:4px;margin-top:10px;font-size:13px;display:grid}.reward-row{flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px;display:flex}.reward{background:var(--surface);animation:pop-in .5s var(--spring) both;border-radius:99px;align-items:center;gap:6px;padding:5px 12px;font-weight:800;display:inline-flex}.reward.stars svg{color:var(--line);fill:#0000}.reward.stars svg.on{color:var(--gold);fill:var(--gold);animation:pop .5s var(--spring)}.giveup{justify-items:start;gap:8px;display:grid}.giveup-confirm{flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;display:flex}.solution-card{border:2px solid var(--gold);background:var(--gold-soft);animation:slide-up .4s var(--spring);border-radius:18px;gap:10px;padding:18px;display:grid}.solution-card h3{margin:6px 0 0;font-size:15px}.solution-card p{margin:0;font-size:14px;line-height:1.7}.verdict-slot:empty{display:none}@media (max-width:760px){.lite-gutter,.lite-body{height:340px}.verdict{grid-template-columns:1fr}.verdict .mascot.small{width:52px}}@media (prefers-reduced-motion:reduce){.case,.case-list.busy .case,.verdict,.solution-card,.reward,.hint-ladder li.open{animation:none!important}.tests-bar span{transition:none}}.stepper{flex-wrap:wrap;gap:8px;margin:0 0 18px;padding:0;list-style:none;display:flex}.stepper li{background:var(--surface-2);color:var(--muted);border-radius:99px;align-items:center;gap:8px;padding:5px 14px 5px 6px;font-size:13px;font-weight:600;transition:background .3s,color .3s;display:inline-flex}.stepper li span{background:var(--line);width:22px;height:22px;color:var(--ink);border-radius:50%;place-items:center;font-size:12px;display:grid}.stepper li.now{background:var(--brand-soft);color:var(--ink);box-shadow:inset 0 0 0 2px var(--brand)}.stepper li.now span,.stepper li.done span{background:var(--brand);color:var(--brand-ink)}.stepper li.done{color:var(--ink)}.pr-intro{margin:0 0 12px}.pr-tabs{margin:-6px 0 18px;padding:0}.pr-tabs span{background:var(--surface-2);border-radius:99px;margin-left:5px;padding:1px 6px;font-size:11px}.pr-tabs button.on span{background:var(--brand-soft)}.pr-conversation{gap:18px;max-width:860px;padding:24px;display:grid}.pr-author{color:var(--brand-deep);align-items:center;gap:10px;display:flex}.pr-author>div{color:var(--ink);gap:2px;font-size:14px;display:grid}.pr-author span{color:var(--muted);font:12px/1.4 SFMono-Regular,Consolas,monospace}.pr-conversation>p,.pr-requirements p{margin:0;font-size:14px;line-height:1.7}.pr-requirements{border-left:3px solid var(--brand);gap:5px;padding-left:14px;display:grid}.pr-conversation-comments{border-top:1px solid var(--line);gap:8px;padding-top:16px;display:grid}.pr-conversation-comments>button{border:1px solid var(--line);background:var(--surface);color:var(--ink);text-align:left;font:inherit;cursor:pointer;border-radius:10px;gap:3px;padding:10px 12px;font-size:13px;display:grid}.pr-conversation-comments>button:hover{border-color:var(--brand);background:var(--brand-soft)}.pr-conversation-comments>button span{color:var(--brand-deep);font-size:12px;font-weight:800}.diff-line.context{background:0 0}.diff-line.context:hover:not(:disabled),.diff-line.selected{background:#748c7130}.diff-line:disabled{cursor:default}.diff-line.flagged{box-shadow:inset 3px 0 0 var(--gold)}.line-flag{color:var(--gold);flex-shrink:0;align-self:center;margin:0 8px}.diff-row.caught .diff-line{background:var(--brand-soft);box-shadow:inset 3px 0 0 var(--brand)}.diff-row.missed .diff-line{background:var(--bad-soft);box-shadow:inset 3px 0 0 var(--bad-fill)}.diff-row.alarm .diff-line{background:var(--gold-soft);box-shadow:inset 3px 0 0 var(--gold)}.diff-line .tok-keyword{color:var(--tok-keyword)}.composer{animation:slide-up .3s var(--spring);border-radius:0;gap:12px;display:grid}.composer h3{margin:0;font-size:14px}.composer fieldset{border:0;margin:0;padding:0}.composer legend{margin-bottom:6px;padding:0;font-size:12px;font-weight:700}.composer .field{gap:4px;margin:0;font-size:12px;font-weight:700;display:grid}.composer textarea,.composer select{font:inherit;border:2px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;padding:8px 10px;font-size:14px;font-weight:400}.composer small{color:var(--muted);font-size:12px}.composer small.ok{color:var(--good)}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.sev-chip{border:2px solid var(--line);background:var(--surface);cursor:pointer;border-radius:99px;padding:7px 14px;font-size:13px;font-weight:700;position:relative;margin:0!important}.sev-chip input{opacity:0;cursor:pointer;position:absolute;inset:0}.sev-chip:focus-within{outline:3px solid var(--brand);outline-offset:2px}.sev-chip.on.minor{border-color:var(--brand);background:var(--brand-soft)}.sev-chip.on.major{border-color:var(--gold);background:var(--gold-soft)}.sev-chip.on.blocker{border-color:var(--bad-fill);background:var(--bad-soft)}.saved-comment b{color:var(--ink);font-size:12px;display:inline}.saved-comment{font-size:13px}.saved-comment.sev-minor{border-left-color:var(--brand)}.saved-comment.sev-major{border-left-color:var(--gold)}.saved-comment.sev-blocker{border-left-color:var(--bad-fill)}.comment-summary.sev-blocker b{color:var(--bad-deep)}.defect-note{animation:slide-up .4s var(--spring);border-radius:10px;gap:8px;margin:8px 15px;padding:10px 12px;font-size:13px;line-height:1.6;display:flex}.defect-note.caught{background:var(--brand-soft)}.defect-note.missed{background:var(--bad-soft)}.defect-note svg{flex-shrink:0;margin-top:4px}.verdict-option{align-items:center;gap:8px;padding:8px 0;font-size:14px;display:flex}.reference-defect{gap:4px;margin-bottom:14px;display:grid}.reference-defect p{margin:0;font-size:13px}.reference-defect .fix{background:var(--surface-2);border-radius:8px;padding:6px 10px}.reference-defect.missed>b{color:var(--bad-deep)}:root[data-theme=dark] .reference-defect.missed>b{color:var(--bad-fill)}.reference-defect.caught>b,.ok-text{color:var(--good)}.bad-text{color:var(--bad)}.review-result{animation:slide-up .4s var(--spring);margin-top:24px}.rv-explain{font-size:13px}@media (max-width:760px){.review-layout{grid-template-columns:1fr}.review-sidebar{position:static}.stepper li{padding-right:10px;font-size:12px}.kata-tabs,.pr-tabs{margin-inline:-14px;padding-inline:8px}.pr-tabs{margin-inline:0}}@media (prefers-reduced-motion:reduce){.composer,.defect-note,.review-result{animation:none}}.tests-panel .tok-number,.kata-brief .tok-number,.diff-row .tok-number{color:#1f5c38}.tests-panel .tok-string,.kata-brief .tok-string,.diff-row .tok-string{color:#7a470d}:root[data-theme=dark] .tests-panel .tok-number,:root[data-theme=dark] .kata-brief .tok-number,:root[data-theme=dark] .diff-row .tok-number{color:var(--tok-number)}:root[data-theme=dark] .tests-panel .tok-string,:root[data-theme=dark] .kata-brief .tok-string,:root[data-theme=dark] .diff-row .tok-string{color:var(--tok-string)}.mode-switch{grid-auto-flow:column;width:auto;margin:0!important;display:inline-grid!important}.mode-switch button{color:var(--muted);border-radius:9px;padding:8px 14px;font-size:13px;font-weight:700}.mode-switch button.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px #0002}.guided-intro{margin:0 0 16px;font-size:15px}.guided-grid{grid-template-columns:1.1fr 1fr;align-items:start;gap:20px;display:grid}.arch-card,.decision-card{border:1px solid var(--line);background:var(--surface);border-radius:20px;gap:14px;padding:20px;display:grid}.arch-card h2,.decision-card h2{margin:0;font-size:20px}.arch-card{background:linear-gradient(180deg, var(--surface), var(--brand-soft));position:sticky;top:16px}.guided-grid.drawing{grid-template-columns:1fr}.sketch-palette{flex-wrap:wrap;gap:8px;display:flex}.sketch-chip,.sketch-node{color:#1c1917;background:#fffef8;border:2px solid #1c1917;font-weight:750;box-shadow:3px 3px #1c1917}.sketch-chip{cursor:grab;text-align:left;border-radius:12px 10px 13px 9px;justify-items:start;gap:2px;padding:8px 12px;display:grid}.sketch-chip small,.sketch-node small{letter-spacing:.04em;text-transform:uppercase;opacity:.7;font-size:10px;font-weight:650;display:block}.sketch-node{text-align:center;justify-items:center;gap:2px;display:grid}.sketch-node.shape-person{width:108px;box-shadow:none;background:0 0;border-color:#0000}.sketch-node.shape-system{border-width:3px}.sketch-node.shape-store{border-radius:70px/22px}.sketch-node.shape-component{border-style:dashed}.c4-stick{width:42px;height:56px}.path-ask{border:1px solid var(--line);background:var(--surface);border-radius:18px;align-items:center;gap:16px;margin:0 0 28px;padding:16px 18px;display:flex}.path-ask h2{margin:0 0 4px;font-size:22px}.path-ask p{color:var(--muted);margin:0 0 12px}.path-ask .mascot{width:92px}.sketch-chip.kind-cache,.sketch-node.kind-cache{background:#ffe08a}.sketch-chip.kind-database,.sketch-node.kind-database,.sketch-chip.kind-replica,.sketch-node.kind-replica{background:#b7ebc6}.sketch-chip.kind-app,.sketch-node.kind-app,.sketch-chip.kind-worker,.sketch-node.kind-worker{background:#ffc9c9}.sketch-chip.kind-client,.sketch-node.kind-client{background:#d0ebff}.sketch-chip.kind-queue,.sketch-node.kind-queue,.sketch-chip.kind-cdn,.sketch-node.kind-cdn{background:#e5dbff}.sketch-board{background-color:#f6f1e3;background-image:radial-gradient(#d8d0bc 1.3px,#0000 1.3px);background-size:22px 22px;border:2px solid #1c1917;border-radius:18px;height:520px;position:relative;overflow:hidden}.sketch-wires{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.sketch-node{cursor:grab;border-radius:16px 12px 18px 14px;width:144px;min-height:64px;padding:16px 10px;position:absolute;transform:rotate(-.4deg)}.sketch-node.on,.sketch-node.linking{outline-offset:3px;outline:3px solid #1c1917}.sketch-tools{gap:8px;display:flex}.design-page.wrap,.pr-page.wrap{max-width:min(1680px,100vw - 20px);padding-left:12px;padding-right:12px}.arch-facts{flex-wrap:wrap;gap:8px;margin:0 0 16px;padding:0;list-style:none;display:flex}.arch-facts li{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-size:13px;font-weight:650}.arch-sample{white-space:pre-wrap;margin:0;font-size:12.5px;overflow-x:hidden}.arch-flow{flex-wrap:wrap;align-items:flex-start;gap:18px 36px;margin:0;padding:12px 4px;list-style:none;display:flex}.arch-node{background:color-mix(in srgb, var(--surface) 86%, white);min-width:108px;animation:pop-in .55s var(--spring) both;border-radius:18px;justify-items:center;gap:6px;padding:8px;display:grid;position:relative}.arch-icon{background:var(--surface);border:2px solid var(--brand);width:64px;height:64px;color:var(--brand-deep);box-shadow:0 8px 18px color-mix(in srgb, var(--ink) 10%, transparent);border-radius:18px;place-items:center;display:grid}:root[data-theme=dark] .arch-icon{color:var(--brand)}.arch-name{text-align:center;font-size:13px;font-weight:700}.arch-count{background:var(--gold);color:#3a2a00;border-radius:99px;padding:0 7px;font-size:12px;font-weight:800;position:absolute;top:-8px;right:6px}.arch-link{background:repeating-linear-gradient(90deg, var(--brand) 0 6px, transparent 6px 12px);background-size:12px 4px;border-radius:2px;width:30px;height:4px;animation:.8s linear infinite flow-dots;position:absolute;top:26px;right:calc(100% + 2px)}@keyframes flow-dots{to{background-position:12px 0}}.arch-meter{background:var(--surface-2);border-radius:99px;width:70px;height:8px;overflow:hidden}.arch-meter i{background:var(--brand);height:100%;transition:width .8s var(--spring);border-radius:99px;display:block}.arch-node.warm .arch-meter i{background:var(--gold)}.arch-node.hot .arch-meter i{background:var(--bad-fill)}.arch-node.hot .arch-icon{border-color:var(--bad-fill);box-shadow:0 3px 0 var(--bad-deep);animation:.5s shake}.arch-load{margin:0;font-size:18px;font-weight:800}.decision-top{gap:8px;display:grid}.lesson-progress.mini{height:8px}.decision-context{color:var(--muted);margin:0;font-size:14px;line-height:1.6}.decision-options{border:0;gap:10px;margin:0;padding:0;display:grid}.decision-option{text-align:left;cursor:pointer;align-items:center;gap:12px;display:flex;position:relative}.decision-option input{opacity:0;cursor:pointer;position:absolute;inset:0}.decision-option:focus-within{outline:3px solid var(--brand);outline-offset:2px}.decision-option.wrong{opacity:.7}.decision-feedback{animation:slide-up .4s var(--spring);border-radius:16px;grid-template-columns:auto 1fr;gap:12px;padding:14px;display:grid}.decision-feedback.good{background:var(--brand-soft)}.decision-feedback.bad{background:var(--bad-soft)}.decision-feedback p{margin:4px 0 0;font-size:14px;line-height:1.6}.decision-feedback .mascot.small{width:52px}.all-options{margin-top:10px;font-size:13px}.all-options summary{cursor:pointer;font-weight:700}.all-options ul{gap:8px;margin:8px 0 0;padding:0;list-style:none;display:grid}.all-options li{background:var(--surface-2);border-radius:10px;gap:2px;padding:8px 10px;display:grid}.all-options li.best{background:var(--brand-soft)}.stress-compare{gap:8px;margin:0;padding:0;list-style:none;display:grid}.stress-compare li{border-radius:12px;gap:2px;padding:10px 12px;font-size:14px;display:grid}.stress-compare .before{background:var(--bad-soft)}.stress-compare .after{background:var(--brand-soft)}.load-steps{flex-wrap:wrap;gap:8px;display:flex}.load-steps span{background:var(--surface-2);color:var(--muted);border-radius:99px;padding:4px 12px;font-size:13px;font-weight:700;transition:background .3s,color .3s}.load-steps span.on{background:var(--brand);color:var(--brand-ink)}.design-done{animation:slide-up .4s var(--spring);grid-template-columns:auto 1fr;gap:12px;display:grid}.design-done h3{margin:0 0 4px;font-size:18px}.design-done p{margin:6px 0;font-size:14px;line-height:1.6}.design-done .mascot.small{width:60px}.guided-tip{align-items:center;gap:6px;margin-top:14px;display:flex}.free-design{display:block}@media (max-width:860px){.guided-grid{grid-template-columns:1fr}.arch-card{position:static}.arch-flow{gap:24px 30px}}@media (prefers-reduced-motion:reduce){.arch-node,.arch-link,.arch-node.hot .arch-icon,.decision-feedback,.design-done{animation:none!important}.arch-meter i{transition:none}}.kata-layout>*,.guided-grid>*,.review-layout>*{min-width:0}.kata-layout,.review-layout,.editor-panel,.kata-editor{max-width:100%;overflow-x:hidden}.kata-brief .lesson-code{white-space:pre-wrap;max-width:100%;overflow-x:hidden}.reward.streak{color:var(--ink)}.reward.streak svg{color:var(--flame)}.tests-panel .tok-comment,.kata-brief .tok-comment,.diff-row .tok-comment,.solution-card .tok-comment{color:#4d5b51}:root[data-theme=dark] .tests-panel .tok-comment,:root[data-theme=dark] .kata-brief .tok-comment,:root[data-theme=dark] .diff-row .tok-comment,:root[data-theme=dark] .solution-card .tok-comment{color:var(--tok-comment)}.tutor-ask{border:2px dashed var(--line);border-radius:14px;gap:8px;margin-top:10px;padding:12px;display:grid}.tutor-ask label{font-size:13px;font-weight:700}.tutor-ask textarea{font:inherit;border:2px solid var(--line);background:var(--surface);color:var(--ink);resize:vertical;border-radius:10px;padding:8px 10px;font-size:14px}.tutor-ask-foot{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:10px;display:flex}.tutor-ask-foot small{color:var(--muted);flex:220px;font-size:12px;line-height:1.5}.tutor-ask-foot small .low{color:var(--bad);font-weight:700}
