/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@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:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){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{.invisible{visibility:hidden}.visible{visibility:visible}.fixed{position:fixed}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.block{display:block}.contents{display:contents}.grid{display:grid}.inline{display:inline}.table{display:table}.shrink{flex-shrink:1}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.uppercase{text-transform:uppercase}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.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{--ink:#17253d;--muted:#64748b;--line:#dbe5ee;--paper:#f7fafc;--white:#fff;--navy:#152a46;--blue:#3973f4;--blue-soft:#eaf1ff;--yellow:#ffd95a;--green:#20a66a;--green-soft:#e3f8ee;--red:#dc4c64;--purple:#7357df;--mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline-offset:2px;outline:3px solid #8bb0ff}code,pre{font-family:var(--mono)}.topbar{z-index:50;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff5;align-items:center;height:72px;padding:0 28px;display:flex;position:fixed;inset:0 0 auto}.brand{color:var(--ink);letter-spacing:-.01em;align-items:center;gap:10px;font-size:15px;text-decoration:none;display:inline-flex}.brand strong{font-size:16px;display:block}.brand-mark{background:var(--navy);width:38px;height:38px;color:var(--yellow);box-shadow:4px 4px 0 var(--yellow);border-radius:11px;place-items:center;display:grid}.brand-mark span{font:800 15px var(--mono)}.menu-button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;width:42px;height:42px;margin-right:12px;display:none}.header-progress{color:var(--muted);align-items:center;gap:12px;margin-left:auto;font-size:12px;font-weight:750;display:flex}.xp-pill{color:#6d5810;background:#fff8cf;border:1px solid #e7c94d;border-radius:30px;align-items:center;gap:6px;margin-left:auto;margin-right:18px;padding:8px 11px;font-size:12px;font-weight:850;display:flex}.xp-pill b{color:#e5a900}.mini-track{background:#e7edf4;border-radius:30px;width:120px;height:7px;overflow:hidden}.mini-track i,.project-meter i{background:var(--green);height:100%;transition:width .45s;display:block}.sidebar{z-index:40;border-right:1px solid var(--line);background:#f0f5f9;width:268px;padding:24px 16px;position:fixed;top:72px;bottom:0;left:0;overflow-y:auto}.sidebar-head{justify-content:space-between;align-items:flex-start;padding:0 8px 14px;display:flex}.sidebar-head h2{letter-spacing:-.03em;margin:4px 0 0;font-size:21px}.close-button{cursor:pointer;background:0 0;border:0;font-size:28px;display:none}.eyebrow{color:var(--blue);letter-spacing:.13em;font-size:11px;font-weight:850}.search{height:42px;color:var(--muted);background:#fff;border:1px solid #d4e0e9;border-radius:11px;align-items:center;gap:8px;margin-bottom:16px;padding:0 12px;display:flex}.search input{background:0 0;border:0;outline:0;width:100%;font-size:13px}.lesson-link{text-align:left;cursor:pointer;background:0 0;border:0;border-radius:12px;align-items:center;gap:10px;width:100%;padding:9px 8px;transition:background .18s,transform .18s;display:flex}.lesson-link:hover{background:#fff;transform:translate(2px)}.lesson-link.active{background:var(--navy);color:#fff;box-shadow:0 8px 24px #152a4626}.lesson-dot{color:#6f8193;width:33px;height:33px;font:700 11px var(--mono);background:#fff;border:1px solid #cddae5;border-radius:10px;flex:0 0 33px;place-items:center;display:grid}.lesson-dot.done{background:var(--green);color:#fff;border-color:var(--green)}.lesson-link strong{font-size:13px;line-height:1.2;display:block}.lesson-link small{color:#7a8a99;margin-top:3px;font-size:11px;display:block}.lesson-link.active small{color:#bdc8d6}.content{min-height:100vh;margin-left:268px;padding-top:72px}.hero{border-bottom:1px solid var(--line);background:#fff;grid-template-columns:1.02fr .98fr;align-items:center;gap:58px;min-height:650px;padding:76px clamp(34px,5vw,88px);display:grid;overflow:hidden}.pill{background:var(--blue-soft);border:1px solid #cdddff;border-radius:30px;padding:8px 11px;display:inline-block}.hero h1{letter-spacing:-.065em;max-width:660px;margin:18px 0;font-size:clamp(42px,5vw,72px);line-height:.98}.hero h1 em{color:var(--blue);font-style:normal;position:relative}.hero h1 em:after{content:"";background:var(--yellow);border-radius:10px;height:5px;position:absolute;bottom:-7px;left:4%;right:0;transform:rotate(-1deg)}.hero-copy>p{max-width:610px;color:var(--muted);font-size:18px;line-height:1.65}.hero-actions{align-items:center;gap:18px;margin:30px 0 36px;display:flex}.primary{background:var(--blue);color:#fff;cursor:pointer;border:0;border-radius:12px;padding:15px 19px;font-weight:800;transition:transform .15s,box-shadow .15s;box-shadow:0 7px #1f4ead}.primary:hover{transform:translateY(-2px);box-shadow:0 9px #1f4ead}.primary:active{transform:translateY(5px);box-shadow:0 2px #1f4ead}.primary span{margin-left:10px}.secondary{color:var(--ink);text-underline-offset:4px;font-size:14px;font-weight:750}.learning-cycle{border-top:1px solid var(--line);grid-template-columns:repeat(4,1fr);gap:6px;max-width:560px;padding-top:18px;display:grid}.learning-cycle span{color:var(--muted);letter-spacing:.08em;align-items:center;gap:6px;font-size:9px;font-weight:800;display:flex}.learning-cycle b{background:var(--ink);color:#fff;border-radius:50%;place-items:center;width:25px;height:25px;font-size:9px;display:grid}.hero-lab{place-items:center;min-height:470px;display:grid;position:relative}.lab-window{color:#dce7f3;background:#10233b;border:1px solid #263d5c;border-radius:20px;width:min(100%,520px);position:relative;overflow:hidden;transform:rotate(1deg);box-shadow:22px 22px #dfe9ff,-10px -10px #fff2bc}.window-bar{background:#172d49;border-bottom:1px solid #2b4260;align-items:center;gap:7px;height:44px;padding:0 15px;display:flex}.window-bar i{background:#ec6879;border-radius:50%;width:10px;height:10px}.window-bar i:nth-child(2){background:#f4ce58}.window-bar i:nth-child(3){background:#52c98a}.window-bar span{color:#91a6bd;font:11px var(--mono);margin-left:7px}.hero-code{font:14px/2 var(--mono);padding:25px 20px 18px}.hero-code span{border-radius:6px;padding:0 10px;display:block}.hero-code b{color:#657b94;width:28px;font-weight:400;display:inline-block}.hero-code em{color:#f3ce5d;font-style:normal}.hero-code .active-line{color:#75a6ff;background:#203c5e}.memory-demo{background:#0c1b2e;border-top:1px solid #29405e;grid-template-columns:1fr 1fr;gap:14px;padding:20px;display:grid;position:relative}.memory-box,.console-box{background:#142942;border:1px solid #385170;border-radius:13px;min-height:120px;padding:18px;position:relative}.memory-box small,.console-box small{color:#7e93aa;font:9px var(--mono);letter-spacing:.15em;display:block}.memory-box strong{color:#70a4ff;font:16px var(--mono);margin-top:11px;display:block}.memory-box b{background:var(--yellow);width:42px;height:42px;color:var(--ink);font:800 18px var(--mono);border-radius:10px;place-items:center;animation:2.5s infinite value-pop;display:grid;position:absolute;bottom:14px;right:16px}.console-box strong{color:#70e0a6;font:800 24px var(--mono);margin-top:26px;display:block}.cursor{animation:1s steps(2,end) infinite blink}.flow-token{z-index:5;background:var(--yellow);width:33px;height:33px;color:var(--ink);font:800 12px var(--mono);border-radius:50%;place-items:center;animation:2.5s ease-in-out infinite travel;display:grid;position:absolute;top:-15px;left:45%}.orbit{border:1px solid var(--line);font:800 11px var(--mono);background:#fff;border-radius:9px;padding:9px 12px;animation:4s ease-in-out infinite float;position:absolute;box-shadow:0 8px 24px #2a3f591f}.orbit-a{color:var(--blue);top:66px;left:-5px}.orbit-b{color:var(--green);animation-delay:-1s;top:40px;right:1px}.orbit-c{color:var(--purple);animation-delay:-2s;bottom:35px;right:-5px}.course-map,.lesson-page{padding:70px clamp(28px,5vw,82px)}.section-heading{max-width:700px;margin-bottom:34px}.section-heading h2{letter-spacing:-.045em;margin:8px 0 10px;font-size:clamp(30px,4vw,48px);line-height:1.08}.section-heading p{color:var(--muted);font-size:17px}.map-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.map-card{border:1px solid var(--line);text-align:left;cursor:pointer;background:#fff;border-radius:16px;flex-direction:column;align-items:flex-start;min-height:190px;padding:20px;transition:transform .2s,border-color .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}.map-card:hover{border-color:#9db6dc;transform:translateY(-4px);box-shadow:0 14px 32px #233b581a}.map-number{color:#e4eaf0;font:900 30px var(--mono);position:absolute;top:10px;right:14px}.map-icon{background:var(--blue-soft);width:43px;height:43px;color:var(--blue);font:800 15px var(--mono);border-radius:12px;place-items:center;display:grid}.map-card strong{margin-top:17px;font-size:16px}.map-card small{color:var(--muted);margin-top:3px}.map-status{color:var(--blue);margin-top:auto;font-size:11px;font-weight:800}.map-status.complete{color:var(--green)}.lesson-page{max-width:1500px;margin:0 auto}.lesson-hero{grid-template-columns:.7fr 1.3fr;align-items:start;gap:38px;margin-bottom:28px;display:grid}.lesson-hero>div:first-child{padding:30px 10px 30px 0;position:sticky;top:110px}.lesson-hero h2{letter-spacing:-.055em;align-items:center;gap:15px;margin:10px 0 16px;font-size:clamp(38px,5vw,62px);display:flex}.lesson-hero h2>span{background:var(--navy);width:61px;height:61px;color:var(--yellow);font:800 19px var(--mono);box-shadow:6px 6px 0 var(--yellow);border-radius:17px;place-items:center;display:grid}.lesson-hero>div:first-child>p{color:var(--muted);font-size:18px;line-height:1.7}.concept-card,.trace-card,.code-card,.challenge-card{border:1px solid var(--line);background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 12px 38px #2239540f}.concept-card{padding:28px}.concept-card h3{letter-spacing:-.025em;max-width:700px;margin:7px 0 22px;font-size:22px;line-height:1.25}.visual-stage{background:#f3f7fb;border:1px dashed #aec0d2;border-radius:15px;flex-direction:column;justify-content:center;align-items:center;gap:18px;min-height:300px;padding:26px;display:flex;overflow:hidden}.visual-stage p{color:var(--muted);margin:0;font-size:13px;font-weight:650}.visual-stage code{color:#b7d1ef;background:#11233a;border-radius:8px;padding:10px 13px;font-size:12px}.token-row{flex-wrap:wrap;justify-content:center;gap:9px;display:flex}.token-row button,.scan-card,.add-button{cursor:pointer;font:700 13px var(--mono);background:#fff;border:1px solid #cbd9e6;border-radius:10px;padding:11px 15px;transition:transform .15s;box-shadow:0 4px #d5e0eb}.token-row button:active,.add-button:active{transform:translateY(3px);box-shadow:0 1px #d5e0eb}.token-row button.chosen,.chosen{border-color:var(--blue)!important;background:var(--blue-soft)!important;color:var(--blue)!important}.travel-lane,.assignment{align-items:center;gap:28px;min-height:110px;display:flex}.traveller{background:var(--yellow);font:800 12px var(--mono);border-radius:8px;padding:10px;animation:.45s both slide-in}.travel-lane i,.assignment i{color:var(--blue);font-size:25px;font-style:normal}.visual-console{background:var(--navy);color:#77e6ae;min-width:170px;font:800 16px var(--mono);border-radius:10px;padding:18px}.visual-console b{animation:1s steps(2,end) infinite blink}.assignment>span{background:var(--yellow);width:45px;height:45px;font:800 17px var(--mono);border-radius:12px;place-items:center;display:grid}.assignment .memory-box{color:#fff;min-width:180px}.assignment .memory-box b{animation:.35s value-pop}.scan-card{min-width:160px;padding:22px;font-size:18px}.type-lane{color:var(--muted);font:700 12px var(--mono);align-items:center;gap:20px;display:flex}.type-lane i{font-style:normal}.type-lane strong{background:var(--green);color:#fff;border-radius:10px;padding:12px 20px;font-size:17px;animation:.35s value-pop}.number-controls{grid-template-columns:1fr 1fr;gap:18px;width:min(100%,500px);display:grid}.number-controls label{grid-template-columns:20px 1fr 35px;align-items:center;gap:8px;font-weight:800;display:grid}.number-controls b{text-align:center}.number-controls input,.wide-range,.score-slider input{accent-color:var(--blue)}.equation{background:var(--navy);color:#fff;cursor:pointer;font:700 18px var(--mono);border:0;border-radius:13px;padding:16px 22px}.equation em{color:var(--yellow);font-style:normal}.equation span{color:#8294aa;margin:0 12px}.equation strong{color:#77e6ae}.input-demo{align-items:center;gap:12px;font-weight:800;display:flex}.input-demo input{border:2px solid var(--blue);text-align:center;width:90px;font:800 18px var(--mono);border-radius:9px;padding:10px}.pipeline{align-items:center;gap:12px;display:flex}.pipeline span,.pipeline strong{border:1px solid var(--line);min-width:70px;font:800 15px var(--mono);background:#fff;border-radius:10px;place-items:center;padding:13px;display:grid}.pipeline span small{color:var(--muted);margin-top:4px;font-size:9px;display:block}.pipeline i{background:var(--blue);color:#fff;font:700 10px var(--mono);border-radius:20px;padding:7px 10px;font-style:normal}.pipeline strong{background:var(--green);color:#fff}.wide-range{width:min(100%,430px)}.char-row{gap:6px;display:flex}.char-row span{border:1px solid var(--line);background:#fff;border-radius:9px;place-items:center;width:49px;height:65px;transition:transform .25s,background .25s;display:grid}.char-row span.selected{background:var(--yellow);transform:translateY(-7px)}.char-row b{font:800 20px var(--mono)}.char-row small{color:var(--muted);font:10px var(--mono)}.shelf{border-bottom:9px solid #92a4b7;align-items:end;gap:10px;min-height:110px;padding-bottom:10px;display:flex}.shelf button{cursor:pointer;background:#fff;border:1px solid #b8c7d6;border-radius:8px 8px 3px 3px;padding:16px 12px;font-weight:800;animation:.25s value-pop}.shelf small{color:var(--muted);margin-top:5px;font-size:8px;display:block}.add-button{color:var(--blue);font-family:inherit}.tuple-lock{font:800 26px var(--mono);align-items:center;gap:7px;display:flex}.tuple-lock button{cursor:not-allowed;width:55px;height:55px;font:800 18px var(--mono);background:#fff;border:1px solid #bbcadd;border-radius:10px}.tuple-lock .lock{margin-left:10px}.shake{background:#ffe8ec;border-radius:8px;padding:9px 13px;animation:.3s shake;color:var(--red)!important}.unpack{gap:12px;display:flex}.unpack span{background:var(--blue-soft);color:var(--blue);font:800 14px var(--mono);border-radius:9px;padding:10px 18px}.venn{align-items:center;display:flex;position:relative}.venn div{border:3px solid var(--blue);text-align:center;background:#5a83f01f;border-radius:50%;place-items:center;width:150px;height:150px;display:grid}.venn div:last-child{border-color:var(--purple);background:#7357df1f;margin-left:-35px}.venn span{z-index:3;font-size:18px;position:absolute;left:132px}.dict-table{gap:7px;width:min(100%,430px);display:grid}.dict-table button{border:1px solid var(--line);cursor:pointer;font:700 13px var(--mono);background:#fff;border-radius:9px;grid-template-columns:1fr 30px 1fr;padding:11px;display:grid}.dict-table i{color:var(--blue);font-style:normal}.dict-table strong{color:var(--green)}.score-slider{grid-template-columns:auto 50px;align-items:center;gap:10px;width:min(100%,500px);font-weight:800;display:grid}.score-slider input{grid-column:1/-1;width:100%}.decision{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.decision span,.decision strong{border:1px solid var(--line);min-width:90px;font:700 12px var(--mono);background:#fff;border-radius:9px;place-items:center;gap:4px;padding:12px;display:grid}.decision span b{color:var(--blue)}.decision strong{background:var(--green);color:#fff;font-size:18px}.loop-row{gap:8px;display:flex}.loop-row span{width:65px;height:65px;font:800 18px var(--mono);background:#fff;border:2px solid #ccd9e6;border-radius:12px;place-items:center;display:grid}.loop-row span.current{border-color:var(--blue);background:var(--blue);color:#fff;transform:translateY(-9px);box-shadow:0 9px #a9c0f5}.loop-row span.visited{background:var(--green-soft);border-color:var(--green)}.loop-row small{font-size:8px}.function-flow,.file-flow,.object-factory{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.function-flow>span,.function-flow>b{border:1px solid var(--line);font:700 12px var(--mono);background:#fff;border-radius:8px;padding:10px}.function-flow>div{border:2px solid var(--blue);background:var(--blue-soft);text-align:center;border-radius:13px;min-width:180px;padding:18px}.function-flow small{font:9px var(--mono);display:block}.function-flow strong{margin-top:10px;display:block}.function-flow i{color:var(--blue);font:700 10px var(--mono);font-style:normal}.toolbox{background:var(--navy);border:2px solid #354c67;border-radius:13px;gap:8px;padding:13px;display:flex}.toolbox strong{color:var(--yellow);padding:10px}.toolbox button{color:#fff;cursor:pointer;font:700 12px var(--mono);background:#203955;border:1px solid #4c6582;border-radius:8px;padding:10px}.exception-track{text-align:center;grid-template-columns:1fr;gap:10px;width:min(100%,560px);display:grid}.exception-track span,.exception-track i,.exception-track strong{border:1px solid var(--line);font:700 12px var(--mono);background:#fff;border-radius:9px;padding:12px}.exception-track i{color:var(--blue);font-style:normal}.success{color:var(--green)!important;background:var(--green-soft)!important}.danger{color:var(--red)!important;background:#ffe7ec!important}.file-flow span,.file-flow strong{border:1px solid var(--line);font:700 12px var(--mono);background:#fff;border-radius:9px;padding:12px}.file-flow div{background:var(--yellow);border-radius:6px 15px 6px 6px;place-items:center;width:80px;height:100px;font-size:34px;display:grid}.file-flow small{font-size:9px;display:block}.file-flow i{color:var(--blue);font-size:28px;font-style:normal}.file-flow i.reverse{transform:rotate(180deg)}.pipe-values{gap:7px;display:flex}.pipe-values span{border:1px solid var(--line);width:52px;height:80px;font:800 16px var(--mono);background:#fff;border-radius:9px;place-items:center;display:grid}.pipe-values i{text-align:center;background:var(--green-soft);width:100%;color:var(--green);padding:5px 0;font-size:11px;font-style:normal}.pipe-values span.rejected{opacity:.45}.pipe-values span.rejected i{color:var(--red);background:#ffe7ec}.object-factory>div{background:#fff;border:2px dashed #71849a;border-radius:13px;flex-direction:column;gap:8px;min-width:150px;min-height:155px;padding:17px;display:flex}.object-factory small{color:var(--muted);font:8px var(--mono);letter-spacing:.1em}.object-factory strong{font-size:20px}.object-factory span{font:11px var(--mono);background:#edf3f7;border-radius:6px;padding:7px}.object-factory i{color:var(--blue);font:700 11px var(--mono);font-style:normal}.object-factory .instance{border-style:solid;border-color:var(--green);background:var(--green-soft);animation:.35s value-pop}.bug-board{flex-wrap:wrap;justify-content:center;align-items:stretch;gap:10px;display:flex}.bug-board div{border:1px solid var(--line);text-align:center;background:#fff;border-radius:10px;min-width:110px;padding:15px}.bug-board small{color:var(--muted);font-size:9px;display:block}.bug-board b{font:800 25px var(--mono)}.bug-board>strong{font:700 11px var(--mono);border-radius:10px;place-items:center;padding:14px;display:grid}.feature-grid{grid-template-columns:repeat(3,1fr);gap:8px;width:min(100%,520px);display:grid}.feature-grid button{cursor:pointer;font:700 11px var(--mono);background:#fff;border:1px dashed #9dafc2;border-radius:9px;padding:12px}.project-meter{background:#e1e9ef;border-radius:20px;width:min(100%,520px);height:28px;position:relative;overflow:hidden}.project-meter span{place-items:center;font-size:10px;font-weight:800;display:grid;position:absolute;inset:0}.trace-card,.code-card,.challenge-card{margin-top:24px}.card-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:25px 28px;display:flex}.card-head h3,.challenge-card>div:first-child h3{letter-spacing:-.035em;margin:5px 0 0;font-size:25px}.step-count{background:var(--blue-soft);color:var(--blue);font:750 10px var(--mono);border-radius:30px;padding:7px 10px}.trace-grid{grid-template-columns:1.05fr .95fr;min-height:365px;display:grid}.trace-code{color:#c9d6e4;background:#11243c;padding:24px 0;overflow-x:auto}.trace-code div{grid-template-columns:42px 1fr;min-width:max-content;padding:5px 20px 5px 0;font-size:13px;line-height:1.5;display:grid;position:relative}.trace-code div>span{color:#60758e;text-align:center}.trace-code div.lit{color:#fff;background:#203d60}.trace-code div.lit:before{content:"";background:var(--yellow);width:4px;position:absolute;top:0;bottom:0;left:0}.trace-code div>b{color:var(--yellow);font-size:10px;position:absolute;right:12px}.trace-state{background:#f7fafc;padding:24px}.trace-note{background:var(--blue-soft);color:#32518a;border-radius:10px;align-items:flex-start;gap:10px;min-height:58px;padding:12px;font-size:13px;line-height:1.45;display:flex}.trace-note p{margin:0}.pulse-dot{background:var(--blue);border-radius:50%;flex:0 0 9px;width:9px;height:9px;margin-top:5px;animation:1.5s infinite pulse}.memory-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:14px 0;display:grid}.memory-grid div{border:1px solid var(--line);background:#fff;border-radius:9px;min-height:68px;padding:12px;animation:.28s value-pop}.memory-grid small{color:var(--blue);font:800 9px var(--mono);display:block}.memory-grid strong{overflow-wrap:anywhere;font:700 12px/1.4 var(--mono);margin-top:6px;display:block}.trace-output{background:var(--navy);color:#fff;border-radius:9px;min-height:88px;padding:13px}.trace-output small{color:#8097b0;font:8px var(--mono);letter-spacing:.12em}.trace-output pre{white-space:pre-wrap;color:#7be1ac;font-size:11px}.step-controls{border-top:1px solid var(--line);justify-content:space-between;align-items:center;padding:15px 22px;display:flex}.step-controls button{color:var(--blue);cursor:pointer;background:0 0;border:0;font-size:12px;font-weight:800}.step-controls button:disabled{color:#aab6c3;cursor:default}.step-controls div{gap:6px;display:flex}.step-controls i{background:#d9e2ea;border-radius:50%;width:8px;height:8px}.step-controls i.active{background:var(--blue);border-radius:8px;width:22px}.step-controls i.passed{background:var(--green)}.runtime{color:var(--muted);align-items:center;gap:7px;font-size:11px;font-weight:750;display:flex}.runtime i{background:var(--green);border-radius:50%;width:8px;height:8px}.runtime.running i{background:var(--yellow);animation:.8s infinite pulse}.runtime.error i{background:var(--red)}.editor-grid{grid-template-columns:1.2fr .8fr;min-height:350px;display:grid}.editor-pane,.output-pane{background:#0e2138;min-width:0}.output-pane{background:#081827;border-left:1px solid #29405d}.editor-bar{color:#9cb0c5;height:42px;font:10px var(--mono);border-bottom:1px solid #29405d;justify-content:space-between;align-items:center;padding:0 15px;display:flex}.editor-bar button{color:#88a8d7;cursor:pointer;background:0 0;border:0;font-size:10px}.editor-pane textarea{resize:vertical;color:#d8e5f2;width:100%;height:308px;caret-color:var(--yellow);font:13px/1.75 var(--mono);tab-size:4;background:#10243c;border:0;outline:0;padding:20px}.output-pane pre{white-space:pre-wrap;overflow-wrap:anywhere;color:#78e0aa;min-height:308px;font:12px/1.7 var(--mono);margin:0;padding:20px}.stdin{background:#edf3f7;align-items:center;gap:18px;padding:15px 22px;display:flex}.stdin>span{min-width:125px;font-size:12px;font-weight:800}.stdin small{color:var(--muted);font-weight:400;display:block}.stdin textarea{resize:vertical;width:100%;min-height:57px;font:12px var(--mono);border:1px solid #c8d5e1;border-radius:8px;padding:8px}.run-button{background:var(--green);color:#fff;cursor:pointer;border:0;border-radius:10px;width:calc(100% - 44px);margin:16px 22px 22px;padding:14px;font-weight:850;box-shadow:0 5px #117549}.run-button:active{transform:translateY(4px);box-shadow:0 1px #117549}.run-button:disabled{opacity:.6;cursor:wait}.run-button span{margin-right:8px}.challenge-card{padding:28px}.challenge-grid{grid-template-columns:1fr 1fr;gap:18px;margin-top:20px;display:grid}.quiz,.mission{border:1px solid var(--line);background:#f8fafc;border-radius:14px;padding:23px}.quiz-label{color:var(--blue);letter-spacing:.12em;font-size:9px;font-weight:900}.quiz h4,.mission h4{margin:8px 0 16px;font-size:17px}.quiz button{text-align:left;cursor:pointer;background:#fff;border:1px solid #d2dee8;border-radius:9px;align-items:center;gap:10px;width:100%;margin:8px 0;padding:10px;font-size:13px;display:flex}.quiz button>span{width:27px;height:27px;font:800 10px var(--mono);background:#edf3f7;border-radius:7px;place-items:center;display:grid}.quiz button>b{margin-left:auto}.quiz button.correct{border-color:var(--green);background:var(--green-soft)}.quiz button.wrong{border-color:var(--red);background:#ffe8ec}.feedback{color:#8b3142;background:#ffe8ec;border-radius:8px;margin:12px 0 0;padding:11px;font-size:12px;line-height:1.5}.feedback.good{background:var(--green-soft);color:#186640}.mission{background:var(--navy);color:#fff;border-color:var(--navy)}.mission .quiz-label{color:var(--yellow)}.mission p{color:#bccadd;font-size:14px;line-height:1.6}.mission-steps{gap:8px;margin:16px 0;display:grid}.mission-steps span{color:#dce5ef;align-items:center;gap:8px;font-size:12px;display:flex}.mission-steps b{width:24px;height:24px;color:var(--yellow);font:800 9px var(--mono);border:1px solid #5b708a;border-radius:50%;place-items:center;display:grid}.mission a{color:var(--yellow);text-underline-offset:3px;font-size:12px;font-weight:800}.lesson-finish{border:1px solid var(--line);background:#fff;border-radius:15px;justify-content:space-between;align-items:center;gap:18px;margin-top:24px;padding:21px;display:flex}.lesson-finish span{color:var(--green);letter-spacing:.12em;font-size:9px;font-weight:900;display:block}.lesson-finish strong{margin-top:5px;font-size:14px;display:block}footer{border-top:1px solid var(--line);color:var(--muted);background:#fff;align-items:center;gap:28px;padding:32px clamp(28px,5vw,82px);font-size:12px;display:flex}footer p{margin-right:auto}footer a{color:var(--blue);font-weight:800}.lesson-page.guided{max-width:1380px;padding-top:38px}.lesson-titlebar{align-items:center;gap:16px;padding:0 4px 24px;display:flex}.lesson-symbol{background:var(--navy);width:58px;height:58px;color:var(--yellow);box-shadow:5px 5px 0 var(--yellow);font:850 17px var(--mono);border-radius:16px;flex:0 0 58px;place-items:center;display:grid}.lesson-titlebar h2{letter-spacing:-.045em;margin:3px 0 0;font-size:34px}.lesson-titlebar p{color:var(--muted);margin:2px 0 0;font-size:13px}.lesson-time{text-align:right;margin-left:auto}.lesson-time span,.lesson-time strong{display:block}.lesson-time span{color:var(--muted);font-size:11px}.lesson-time strong{color:var(--green);margin-top:4px;font-size:12px}.activity-rail{grid-template-columns:repeat(7,1fr);gap:7px;margin-bottom:20px;display:grid}.activity-rail button{border:1px solid var(--line);text-align:left;cursor:pointer;background:#fff;border-radius:12px;grid-template-rows:auto auto;grid-template-columns:34px 1fr;align-items:center;column-gap:8px;min-width:0;padding:10px;display:grid;position:relative;overflow:hidden}.activity-rail button:after{content:"";background:var(--blue);height:4px;transition:right .3s;position:absolute;bottom:0;left:0;right:100%}.activity-rail button.active{border-color:var(--blue);box-shadow:0 7px 20px #3973f41c}.activity-rail button.active:after{right:0}.activity-rail button.passed{background:#f0fbf6;border-color:#a8dfc5}.activity-rail button:disabled{cursor:not-allowed;opacity:.48}.activity-rail button>span{color:#74869a;width:32px;height:32px;font:800 10px var(--mono);background:#edf2f6;border-radius:50%;grid-row:1/3;place-items:center;display:grid}.activity-rail button.active>span{background:var(--blue);color:#fff}.activity-rail button.passed>span{background:var(--green);color:#fff}.activity-rail strong{min-width:0;font-size:12px}.activity-rail small{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:9px;overflow:hidden}.focus-shell{grid-template-columns:230px minmax(0,1fr);align-items:start;gap:18px;display:grid}.coach-card{background:#fff9d7;border:1px solid #ead676;border-radius:15px;gap:12px;padding:17px;display:flex;position:sticky;top:92px;box-shadow:0 8px 24px #66561614}.coach-face{background:var(--navy);width:48px;height:48px;color:var(--yellow);border-radius:14px 14px 20px 20px;flex:0 0 48px;place-items:center;display:grid;position:relative;box-shadow:3px 3px #e7c74d}.coach-face span{font:850 13px var(--mono)}.coach-face i{border-bottom:2px solid var(--yellow);border-radius:50%;width:9px;height:5px;position:absolute;bottom:8px}.coach-card p{color:#5e552c;margin:5px 0 0;font-size:12px;line-height:1.55}.activity-card{border:1px solid var(--line);background:#fff;border-radius:20px;min-width:0;padding:28px;animation:.38s both activity-enter;box-shadow:0 16px 45px #22395412}.activity-intro{max-width:850px;margin-bottom:21px}.activity-kicker{color:var(--blue);letter-spacing:.13em;font-size:10px;font-weight:900}.activity-intro h3{letter-spacing:-.045em;margin:8px 0;font-size:clamp(25px,3vw,36px);line-height:1.14}.activity-intro p{color:var(--muted);margin:9px 0 0;font-size:15px;line-height:1.65}.interaction-goal{background:var(--blue-soft);color:#2f4e82;border-radius:11px;justify-content:space-between;align-items:center;gap:20px;margin:0 0 14px;padding:12px 15px;display:flex}.interaction-goal span{color:var(--blue);letter-spacing:.12em;font-size:8px;font-weight:900;display:block}.interaction-goal strong{margin-top:3px;font-size:12px;display:block}.move-meter{background:#d6e2fa;border-radius:20px;flex:0 0 155px;width:155px;height:26px;position:relative;overflow:hidden}.move-meter i{background:var(--blue);height:100%;transition:width .35s;display:block}.move-meter span{color:var(--ink);place-items:center;font-size:9px;display:grid;position:absolute;inset:0}.activity-card>.trace-card,.activity-card>.example-gallery,.activity-card>.code-card{box-shadow:none;margin:0}.guided-nav{z-index:25;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff5;border:1px solid #cfdce7;border-radius:15px;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;margin-top:18px;padding:13px 16px;display:grid;position:sticky;bottom:12px;box-shadow:0 15px 42px #132b462b}.guided-nav .back-step{color:var(--blue);cursor:pointer;background:0 0;border:0;justify-self:start;font-weight:800}.guided-nav .back-step:disabled{color:#acb8c4;cursor:default}.guided-nav>div{text-align:center}.guided-nav>div>span{color:var(--muted);letter-spacing:.08em;font-size:9px;font-weight:800}.guided-nav>div>div{justify-content:center;gap:4px;margin-top:5px;display:flex}.guided-nav>div i{background:#dce4eb;border-radius:5px;width:18px;height:4px}.guided-nav>div i.active{background:var(--blue)}.guided-nav .primary{justify-self:end;min-width:180px}.guided-nav .primary:disabled{cursor:not-allowed;background:#aab7c8;transform:none;box-shadow:0 5px #7f8c9a}.trace-head-actions{align-items:center;gap:9px;display:flex}.trace-head-actions button{color:var(--blue);cursor:pointer;background:#fff;border:1px solid #bfd0e0;border-radius:20px;padding:7px 10px;font-size:10px;font-weight:800}.trace-head-actions button:disabled{opacity:.55;cursor:wait}.starter-strip{border-bottom:1px solid var(--line);background:#eff4f8;align-items:center;gap:7px;padding:11px 15px;display:flex;overflow-x:auto}.starter-strip>span{color:var(--muted);letter-spacing:.1em;flex:none;margin-right:5px;font-size:8px;font-weight:900}.starter-strip button{color:var(--blue);cursor:pointer;background:#fff;border:1px solid #c8d6e2;border-radius:8px;flex:none;padding:7px 10px;font-size:10px;font-weight:750}.guided-puzzle{border:1px solid var(--line);background:#f8fafc;border-radius:16px;flex-direction:column;align-items:center;min-height:475px;padding:25px clamp(10px,4vw,55px);display:flex;position:relative;overflow:hidden}.puzzle-progress{gap:7px;display:flex}.puzzle-progress i{background:#dbe4ec;border-radius:8px;width:48px;height:6px}.puzzle-progress i.active{background:var(--blue)}.puzzle-progress i.solved{background:var(--green)}.puzzle-counter{color:var(--muted);margin-top:12px;font-size:10px;font-weight:800}.guided-puzzle h3{text-align:center;letter-spacing:-.04em;max-width:690px;margin:22px 0 5px;font-size:clamp(22px,3vw,32px)}.predict-first{color:var(--purple);margin:0 0 20px;font-size:12px;font-weight:700}.puzzle-options{gap:9px;width:min(100%,680px);display:grid}.puzzle-options button{text-align:left;cursor:pointer;background:#fff;border:2px solid #d4dfe8;border-radius:12px;align-items:center;gap:12px;min-height:56px;padding:10px 14px;transition:transform .15s,border-color .15s,background .15s;display:flex}.puzzle-options button:hover:not(:disabled){border-color:#91ace4;transform:translateY(-2px)}.puzzle-options button>span{width:32px;height:32px;font:800 11px var(--mono);background:#edf2f6;border-radius:8px;flex:0 0 32px;place-items:center;display:grid}.puzzle-options button>strong{font-size:13px}.puzzle-options button>b{margin-left:auto;font-size:19px}.puzzle-options button.correct{border-color:var(--green);background:var(--green-soft)}.puzzle-options button.wrong{border-color:var(--red);background:#fff0f3;animation:.3s shake}.puzzle-feedback{border-radius:10px;gap:11px;width:min(100%,680px);margin-top:13px;padding:12px;display:flex}.puzzle-feedback>span{background:#fff;border-radius:50%;flex:0 0 31px;place-items:center;width:31px;height:31px;display:grid}.puzzle-feedback p{margin:0;font-size:12px;line-height:1.5}.puzzle-feedback strong{display:block}.puzzle-feedback.correct{background:var(--green-soft);color:#16633e}.puzzle-feedback.wrong{color:#913346;background:#fff0f3}.hint-box{color:#655820;background:#fff9d7;border:1px solid #e6d172;border-radius:9px;width:min(100%,680px);margin-top:10px;padding:11px;font-size:12px}.hint-box span{letter-spacing:.1em;margin-right:8px;font-size:8px;font-weight:900}.puzzle-actions{justify-content:space-between;align-items:center;gap:12px;width:min(100%,680px);margin-top:auto;padding-top:18px;display:flex}.hint-button{color:#856e13;cursor:pointer;background:0 0;border:0;font-size:11px;font-weight:750}.hint-button:disabled{color:#9ca7b2;cursor:default}.celebration{pointer-events:none;position:absolute;inset:0}.celebration i{background:var(--yellow);border-radius:2px;width:9px;height:9px;animation:.8s ease-out both confetti;position:absolute;top:56%;left:50%}.celebration i:nth-child(2){background:var(--blue);animation-delay:50ms;transform:rotate(35deg)}.celebration i:nth-child(3){background:var(--green);animation-delay:.1s}.celebration i:nth-child(4){background:var(--purple);animation-delay:.12s}.celebration i:nth-child(5){background:var(--red);animation-delay:80ms}.celebration i:nth-child(6){background:#ef9c38;animation-delay:.15s}.example-gallery{border:1px solid var(--line);border-radius:16px;overflow:hidden}.example-tabs{background:#f0f4f7;grid-template-columns:repeat(3,1fr);gap:7px;max-height:220px;padding:12px;display:grid;overflow-y:auto}.example-tabs button{cursor:pointer;text-align:left;background:#fff;border:1px solid #cfdae4;border-radius:9px;align-items:center;gap:8px;min-width:0;padding:10px;font-size:11px;font-weight:750;display:flex}.example-tabs button>span:first-child{width:25px;height:25px;font:800 9px var(--mono);background:#edf2f6;border-radius:7px;flex:0 0 25px;place-items:center;display:grid}.example-tab-copy{min-width:0;display:block}.example-tab-copy b{text-overflow:ellipsis;white-space:nowrap;font-size:10px;display:block;overflow:hidden}.example-tab-copy small{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-top:3px;font-size:8px;font-weight:800;display:block}.example-tabs button.active{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}.example-tabs button.active small{color:var(--blue)}.example-scene{background:#f8fafc;grid-template-columns:1fr 80px 1fr;align-items:center;gap:8px;min-height:280px;padding:25px;display:grid}.example-code,.example-result{background:var(--navy);color:#dce7f3;border-radius:13px;min-width:0;min-height:180px;padding:18px;animation:.4s both example-enter}.example-result{color:#17613e;background:#e8f8ef;animation-delay:.2s}.example-code small,.example-result small{color:#7f98b3;letter-spacing:.13em;font-size:8px;font-weight:900}.example-result small{color:#4b9c74}.example-code pre,.example-result pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;line-height:1.7}.example-arrow{text-align:center;color:var(--blue)}.example-arrow span{font-size:8px;font-weight:800;display:block}.example-arrow i{font-size:27px;font-style:normal;animation:1s ease-in-out infinite arrow-bob;display:block}.why-box{border-top:1px solid var(--line);background:#fff;align-items:center;gap:11px;padding:15px 18px;display:flex}.why-box>span{font-size:24px}.why-box p{color:var(--muted);margin:0;font-size:12px;line-height:1.5}.why-box p strong{color:var(--ink);display:block}.example-actions{align-items:center;gap:8px;margin-left:auto;display:flex}.why-box .example-actions button{background:#fff;border:1px solid #c8d6e2;border-radius:7px;margin:0;padding:7px 8px}.why-box .example-actions button:disabled{opacity:.4;cursor:default}.collection-guide{background:#f7faff;border:1px solid #b9cceb;border-radius:17px;margin-bottom:24px;overflow:hidden}.collection-guide-head{background:#fff;grid-template-columns:minmax(0,1fr) 270px;align-items:center;gap:22px;padding:24px;display:grid}.collection-guide-head h3{letter-spacing:-.045em;margin:7px 0 8px;font-size:clamp(24px,3vw,34px)}.collection-guide-head p{max-width:760px;color:var(--muted);margin:0;font-size:13px;line-height:1.65}.collection-signature{background:var(--navy);color:#fff;border-radius:12px;min-width:0;padding:15px}.collection-signature span{color:#91a7bd;letter-spacing:.12em;font-size:8px;font-weight:900;display:block}.collection-signature code{overflow-wrap:anywhere;color:#7de2ae;font:700 12px/1.5 var(--mono);margin:10px 0;display:block}.collection-signature b{color:var(--yellow);font-size:10px}.collection-purpose{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#eaf1ff;align-items:baseline;gap:15px;padding:13px 20px;display:flex}.collection-purpose strong{color:var(--blue);flex:none;font-size:11px}.collection-purpose p{color:#3d5575;margin:0;font-size:12px;line-height:1.5}.property-row{background:#fff;flex-wrap:wrap;gap:7px;padding:12px 20px;display:flex}.property-row span{color:#23704a;background:#f1fbf6;border:1px solid #b9dfcc;border-radius:20px;padding:6px 9px;font-size:9px;font-weight:800}.collection-warnings{border-top:1px solid var(--line);background:#fff9dc;grid-template-columns:120px 1fr;gap:15px;padding:15px 20px;display:grid}.collection-warnings>span{color:#846b0e;letter-spacing:.1em;font-size:9px;font-weight:900}.collection-warnings ul{color:#655821;gap:6px;margin:0;padding-left:18px;font-size:11px;line-height:1.5;display:grid}.collection-section-tabs{border-top:1px solid var(--line);background:#edf2f7;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:7px;padding:13px;display:grid}.collection-section-tabs button{min-width:0;color:var(--ink);text-align:left;cursor:pointer;background:#fff;border:1px solid #cad6e2;border-radius:10px;grid-template-columns:28px 1fr;align-items:center;column-gap:8px;padding:10px;display:grid}.collection-section-tabs button>span{width:27px;height:27px;font:800 9px var(--mono);background:#edf2f6;border-radius:8px;grid-row:1/3;place-items:center;display:grid}.collection-section-tabs button strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:10px;overflow:hidden}.collection-section-tabs button small{color:var(--muted);font-size:8px}.collection-section-tabs button.active{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}.collection-section-tabs button.active>span{background:var(--blue);color:#fff}.action-reference{background:#fff;padding:18px}.action-reference-title{justify-content:space-between;align-items:end;gap:20px;margin-bottom:13px;display:flex}.action-reference-title span{color:var(--blue);letter-spacing:.12em;font-size:8px;font-weight:900}.action-reference-title h4{margin:3px 0 0;font-size:21px}.action-reference-title p{max-width:520px;color:var(--muted);text-align:right;margin:0;font-size:11px;line-height:1.5}.action-table-head,.action-row{grid-template-columns:1.2fr 1.6fr .8fr .65fr;align-items:center;gap:12px;display:grid}.action-table-head{background:var(--navy);color:#9fb1c4;letter-spacing:.08em;border-radius:8px 8px 0 0;padding:8px 12px;font-size:8px;font-weight:900}.action-table{border:1px solid var(--line);border-top:0;border-radius:0 0 9px 9px;overflow:hidden}.action-row{border-top:1px solid var(--line);min-height:65px;padding:10px 12px}.action-row:first-child{border-top:0}.action-row:nth-child(2n){background:#f8fafc}.action-row code{overflow-wrap:anywhere;color:#234f9f;font:700 10px/1.5 var(--mono)}.action-row p{color:#4f6073;margin:0;font-size:10px;line-height:1.45}.action-row p small{color:#946124;margin-top:4px;font-size:9px;display:block}.action-row>strong{color:var(--ink);font-size:10px}.action-row>span{text-transform:uppercase;border-radius:20px;justify-self:start;padding:5px 8px;font-size:8px;font-weight:900}.action-row>span.changes{color:#96581f;background:#fff0df}.action-row>span.keeps{color:#26704a;background:#eaf8f0}.examples-next{background:#eaf1ff;border-top:1px solid #b9cceb;justify-content:center;align-items:center;gap:12px;padding:16px 20px;display:flex}.examples-next>span{background:var(--blue);color:#fff;border-radius:50%;place-items:center;width:34px;height:34px;animation:1.2s ease-in-out infinite arrow-down;display:grid}.examples-next strong,.examples-next p{margin:0;display:block}.examples-next strong{color:#234a85;font-size:12px}.examples-next p{color:#5b7191;margin-top:2px;font-size:10px}.ollama-launcher{z-index:71;background:var(--navy);color:#fff;cursor:pointer;text-align:left;border:1px solid #263b56;border-radius:15px;grid-template-rows:auto auto;grid-template-columns:38px 1fr;align-items:center;column-gap:9px;min-width:170px;padding:10px 13px;display:grid;position:fixed;bottom:92px;right:22px;box-shadow:0 12px 32px #0d213747}.ollama-launcher>span{background:var(--yellow);width:36px;height:36px;color:var(--navy);border-radius:10px;grid-row:1/3;place-items:center;font-size:18px;display:grid}.ollama-launcher b{font-size:12px}.ollama-launcher small{color:#9fb2c6;font-size:9px}.ollama-launcher.open{transform:translate(-442px)}.ollama-scrim{z-index:78;background:#0817277a;border:0;position:fixed;inset:0}.ollama-panel{z-index:80;opacity:0;pointer-events:none;background:#f7fafc;border:1px solid #2f4762;border-radius:18px;flex-direction:column;width:min(440px,100vw - 32px);transition:transform .28s,opacity .28s;display:flex;position:fixed;top:82px;bottom:16px;right:16px;overflow:hidden;transform:translate(calc(100% + 40px));box-shadow:0 24px 70px #07182a59}.ollama-panel.open{opacity:1;pointer-events:auto;transform:translate(0)}.ollama-head{background:var(--navy);color:#fff;align-items:center;gap:11px;padding:14px;display:flex}.ollama-mark{background:var(--yellow);width:40px;height:40px;color:var(--navy);border-radius:11px;flex:0 0 40px;place-items:center;font-size:20px;display:grid}.ollama-head>div:nth-child(2){min-width:0}.ollama-head span,.ollama-head strong,.ollama-head small{display:block}.ollama-head span{color:var(--yellow);letter-spacing:.1em;font-size:8px;font-weight:900}.ollama-head strong{margin-top:2px;font-size:14px}.ollama-head small{color:#9eb1c4;text-overflow:ellipsis;white-space:nowrap;margin-top:2px;font-size:9px;overflow:hidden}.ollama-head>button{color:#fff;cursor:pointer;background:0 0;border:1px solid #506780;border-radius:8px;width:31px;height:31px;margin-left:auto;font-size:19px}.ollama-setup{border-bottom:1px solid var(--line);background:#fff;flex:none}.ollama-setup summary{cursor:pointer;grid-template-columns:28px 1fr auto;align-items:center;gap:7px;padding:11px 14px;list-style:none;display:grid}.ollama-setup summary::-webkit-details-marker{display:none}.ollama-setup summary>span{width:27px;height:27px;color:var(--blue);background:#edf2f6;border-radius:8px;place-items:center;display:grid}.ollama-setup summary strong{font-size:11px}.ollama-setup summary small{color:var(--muted);font-size:9px}.ollama-mode{grid-template-columns:1fr 1fr;gap:6px;padding:0 14px 10px;display:grid}.ollama-mode button{color:var(--muted);cursor:pointer;background:#fff;border:1px solid #cad6e1;border-radius:8px;padding:8px;font-size:10px;font-weight:800}.ollama-mode button.active{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}.ollama-config{max-height:255px;padding:0 14px 13px;overflow-y:auto}.ollama-config label{color:var(--ink);margin:8px 0;font-size:9px;font-weight:850;display:block}.ollama-config input{width:100%;font:10px var(--mono);border:1px solid #cad6e1;border-radius:8px;outline:0;margin-top:4px;padding:9px}.ollama-config input:focus{border-color:var(--blue)}.setup-steps{background:#eef4ff;border-radius:9px;margin-top:10px;padding:11px}.setup-steps>strong{color:var(--blue);font-size:10px}.setup-steps ol{color:#4b5e76;gap:7px;margin:8px 0;padding-left:19px;font-size:9px;line-height:1.5;display:grid}.setup-steps code{background:var(--navy);color:#83e4b3;overflow-wrap:anywhere;font:9px/1.45 var(--mono);border-radius:6px;margin-top:4px;padding:7px;display:block}.setup-steps a{color:var(--blue);font-weight:800}.setup-steps p,.key-note{color:var(--muted);margin:7px 0 0;font-size:9px;line-height:1.45}.ollama-context{border-bottom:1px solid var(--line);background:#fff9d9;flex:none;padding:10px 14px}.ollama-context span{color:#886f10;letter-spacing:.1em;font-size:8px;font-weight:900}.ollama-context strong{color:#4f451c;margin-top:2px;font-size:11px;display:block}.ollama-context p{color:#74683a;text-overflow:ellipsis;white-space:nowrap;margin:3px 0 0;font-size:9px;overflow:hidden}.ollama-chat{background:#edf2f6;flex:auto;min-height:0;padding:14px;overflow-y:auto}.ollama-welcome{text-align:center;background:#fff;border:1px solid #cedae4;border-radius:13px;padding:18px}.ollama-welcome>span{background:var(--navy);width:42px;height:42px;color:var(--yellow);font:850 12px var(--mono);border-radius:12px;place-items:center;margin:0 auto;display:grid}.ollama-welcome h4{margin:10px 0 3px;font-size:17px}.ollama-welcome p{color:var(--muted);margin:0;font-size:10px;line-height:1.5}.ollama-welcome>div{gap:6px;margin-top:13px;display:grid}.ollama-welcome button{color:var(--blue);cursor:pointer;text-align:left;background:#f8fafc;border:1px solid #cbd8e3;border-radius:8px;padding:9px;font-size:9px;font-weight:800}.tutor-message{max-width:92%;margin-bottom:10px}.tutor-message.user{margin-left:auto}.tutor-message>span{color:var(--muted);letter-spacing:.1em;margin-bottom:3px;font-size:7px;font-weight:900;display:block}.tutor-message.user>span{text-align:right}.tutor-message pre{color:#34485d;white-space:pre-wrap;overflow-wrap:anywhere;font:10px/1.55 var(--sans);background:#fff;border:1px solid #cdd9e4;border-radius:11px 11px 11px 3px;margin:0;padding:10px 11px}.tutor-message.user pre{border-color:var(--blue);background:var(--blue);color:#fff;border-radius:11px 11px 3px}.tutor-typing{color:var(--muted);align-items:center;gap:4px;font-size:9px;display:flex}.tutor-typing i{background:var(--blue);border-radius:50%;width:6px;height:6px;animation:.9s ease-in-out infinite typing-dot}.tutor-typing i:nth-child(2){animation-delay:.15s}.tutor-typing i:nth-child(3){animation-delay:.3s}.tutor-typing span{margin-left:5px}.ollama-compose{border-top:1px solid var(--line);background:#fff;flex:none;grid-template-columns:1fr 42px;gap:8px;padding:11px;display:grid}.ollama-compose textarea{resize:vertical;min-height:54px;max-height:120px;font:10px/1.45 var(--sans);border:1px solid #c8d5e0;border-radius:9px;outline:0;padding:9px}.ollama-compose textarea:focus{border-color:var(--blue)}.ollama-compose button{background:var(--blue);color:#fff;cursor:pointer;border:0;border-radius:9px;font-size:18px}.ollama-compose button:disabled{cursor:default;background:#aeb9c5}.ollama-foot{border-top:1px solid var(--line);color:var(--muted);background:#fff;flex:none;justify-content:space-between;align-items:center;gap:10px;padding:7px 12px;font-size:8px;display:flex}.ollama-foot button{color:var(--blue);cursor:pointer;background:0 0;border:0;font-size:8px;font-weight:800}.solve-lab{border:1px solid var(--line);background:#f7fafc;border-radius:17px;overflow:hidden}.solve-brief{border-bottom:1px solid var(--line);background:#fff;grid-template-columns:1fr 190px;align-items:center;gap:20px;padding:22px;display:grid}.solve-brief h3{letter-spacing:-.035em;margin:6px 0;font-size:24px}.solve-brief p{color:var(--muted);margin:0;font-size:13px;line-height:1.55}.target-output{background:var(--navy);color:#fff;border-radius:11px;padding:13px}.target-output span{color:#89a0b9;letter-spacing:.12em;font-size:8px;font-weight:900}.target-output pre{white-space:pre-wrap;color:#79e0ab;font:750 12px/1.5 var(--mono);margin:8px 0 0}.solve-workspace{grid-template-columns:1.18fr .82fr;min-height:330px;display:grid}.solve-editor,.solve-console{background:#10243c;min-width:0}.solve-console{background:#081827;border-left:1px solid #29405d;flex-direction:column;display:flex;position:relative}.solve-editor textarea{resize:vertical;color:#d8e5f2;width:100%;height:288px;caret-color:var(--yellow);font:12px/1.7 var(--mono);background:#10243c;border:0;outline:0;padding:18px}.solve-console>pre{white-space:pre-wrap;overflow-wrap:anywhere;color:#79e0ab;min-height:175px;font:12px/1.6 var(--mono);margin:0;padding:18px}.check-result{border-radius:10px;align-items:flex-start;gap:10px;margin:0 13px 13px;padding:11px;animation:.3s value-pop;display:flex}.check-result>span{background:#fff;border-radius:50%;flex:0 0 29px;place-items:center;width:29px;height:29px;display:grid}.check-result p{margin:0;font-size:11px;line-height:1.45}.check-result strong{display:block}.check-result.pass{background:var(--green-soft);color:#17613e}.check-result.fail{color:#8b3142;background:#ffe9ed}.solve-input{border-top:1px solid var(--line);background:#edf3f7;align-items:center;gap:12px;padding:11px 15px;display:flex}.solve-input span{color:var(--muted);letter-spacing:.12em;font-size:8px;font-weight:900}.solve-input textarea{resize:vertical;width:100%;min-height:52px;font:11px var(--mono);border:1px solid #c7d4df;border-radius:8px;padding:8px}.guidance-panel{background:#fff9d8;border:1px solid #e3cf6d;border-radius:12px;margin:14px;overflow:hidden}.guidance-title{justify-content:space-between;align-items:center;gap:15px;padding:12px 14px;display:flex}.guidance-title span{color:#856e13;letter-spacing:.12em;font-size:8px;font-weight:900;display:block}.guidance-title strong{color:#51481e;margin-top:3px;font-size:12px;display:block}.guidance-title button{color:#75600b;cursor:pointer;background:#fff;border:1px solid #d6bd4d;border-radius:8px;padding:8px 10px;font-size:10px;font-weight:800}.guidance-title button:disabled{color:#9c9473;cursor:default}.guidance-empty{color:#776c3a;margin:0;padding:0 14px 13px;font-size:11px}.guidance-panel ol{gap:8px;margin:0;padding:0 14px 14px;list-style:none;display:grid}.guidance-panel li{background:#fff;border:1px solid #e8d98f;border-radius:9px;align-items:flex-start;gap:10px;padding:10px;animation:.28s slide-in;display:flex}.guidance-panel li>span{background:var(--yellow);color:#5d4d08;width:26px;height:26px;font:850 9px var(--mono);border-radius:50%;flex:0 0 26px;place-items:center;display:grid}.guidance-panel li p{color:#706431;margin:0;font-size:11px;line-height:1.5}.guidance-panel li strong{color:var(--ink);display:block}.solve-button{background:var(--blue);color:#fff;cursor:pointer;border:0;border-radius:10px;width:calc(100% - 28px);margin:0 14px 16px;padding:13px;font-weight:850;box-shadow:0 5px #1f4ead}.solve-button:disabled{opacity:.58;cursor:wait}.attempt-meter{color:#8fa5bb;border-top:1px solid #29405d;align-items:center;gap:9px;margin-top:auto;padding:12px 15px;display:flex}.attempt-meter>span{letter-spacing:.1em;font-size:8px;font-weight:900}.attempt-meter>div{gap:4px;margin-left:auto;display:flex}.attempt-meter i{background:#314a65;border-radius:10px;width:18px;height:6px}.attempt-meter i.used{background:#f0b84f}.attempt-meter b{color:#fff;font:800 9px var(--mono)}.solution-unlock{background:#fff;border:1px solid #ccd8e3;border-radius:12px;justify-content:space-between;align-items:center;gap:16px;margin:14px;padding:13px 14px;display:flex}.solution-unlock.ready{background:#edf9f2;border-color:#7bbd99}.solution-unlock span{color:var(--muted);letter-spacing:.11em;font-size:8px;font-weight:900;display:block}.solution-unlock.ready span{color:#237049}.solution-unlock strong{color:var(--ink);margin-top:4px;font-size:11px;display:block}.solution-unlock button{border:1px solid var(--blue);color:var(--blue);cursor:pointer;background:#fff;border-radius:8px;flex:none;padding:9px 11px;font-size:10px;font-weight:850}.solution-unlock button:disabled{color:#94a0ac;cursor:default;border-color:#ccd5de}.solution-code{background:var(--navy);color:#dce7f3;border:1px solid #91c7aa;border-radius:12px;margin:14px;animation:.3s slide-in;overflow:hidden}.solution-code pre{white-space:pre-wrap;overflow-wrap:anywhere;font:650 12px/1.65 var(--mono);margin:0;padding:17px}.solution-code>p{color:#a9bbcd;border-top:1px solid #29405d;margin:0;padding:11px 17px;font-size:10px;line-height:1.5}.build-mission{background:var(--navy);color:#fff;border-radius:17px;flex-direction:column;align-items:center;min-height:520px;padding:34px clamp(14px,5vw,70px);display:flex;overflow:hidden}.mission-flag{color:var(--yellow);letter-spacing:.12em;border:1px solid #8e7e32;border-radius:20px;padding:7px 10px;font-size:9px;font-weight:900}.build-mission h3{text-align:center;letter-spacing:-.04em;max-width:760px;margin:22px 0 9px;font-size:clamp(24px,3vw,35px);line-height:1.2}.build-mission>p{text-align:center;color:#b9c7d5;max-width:650px;margin:0;font-size:13px}.build-checks{gap:9px;width:min(100%,650px);margin:26px 0;display:grid}.build-checks button{color:#dce5ee;cursor:pointer;text-align:left;background:#1c3552;border:1px solid #405b78;border-radius:11px;align-items:center;gap:12px;padding:12px;font-size:12px;display:flex}.build-checks button span{width:31px;height:31px;font:800 10px var(--mono);border:1px solid #66809b;border-radius:8px;place-items:center;display:grid}.build-checks button.checked{border-color:var(--green);color:#8ee2b7;background:#173e37}.build-checks button.checked span{background:var(--green);border-color:var(--green);color:#fff;animation:.3s value-pop}.mission-reward{background:#293a45;border:1px solid #786a28;border-radius:12px;justify-content:space-between;align-items:center;width:min(100%,650px);padding:13px 17px;display:flex}.mission-reward span{color:#adbbca;letter-spacing:.1em;font-size:8px;font-weight:900;display:block}.mission-reward strong{color:var(--yellow);margin-top:3px;display:block}.reward-orb{background:var(--yellow);border-radius:50%;place-items:center;width:42px;height:42px;animation:1.7s infinite pulse;display:grid;box-shadow:0 0 0 7px #ffd95a1f}.complete-button{background:var(--green);color:#fff;cursor:pointer;border:0;border-radius:10px;width:min(100%,650px);margin-top:14px;padding:14px;font-weight:850;box-shadow:0 5px #0e7246}.complete-button:disabled{color:#9fb0c1;cursor:not-allowed;background:#526579;box-shadow:0 5px #33465b}.mastered-banner{background:var(--green);border-radius:11px;align-items:center;gap:12px;width:min(100%,650px);margin-top:14px;padding:13px;display:flex}.mastered-banner>span{width:38px;height:38px;color:var(--green);background:#fff;border-radius:50%;place-items:center;font-weight:900;display:grid}.mastered-banner strong,.mastered-banner small{display:block}.mastered-banner small{color:#d6f6e6;margin-top:3px;font-size:10px}@keyframes blink{50%{opacity:0}}@keyframes float{50%{transform:translateY(-10px)rotate(-1deg)}}@keyframes travel{0%{opacity:0;transform:translate(-55px)scale(.8)}30%{opacity:1}70%{opacity:1;transform:translate(52px)scale(1)}to{opacity:0;transform:translate(52px)scale(.7)}}@keyframes value-pop{0%{opacity:.3;transform:scale(.72)}70%{transform:scale(1.08)}to{opacity:1;transform:scale(1)}}@keyframes slide-in{0%{opacity:0;transform:translate(-24px)}}@keyframes pulse{50%{opacity:.5}}@keyframes shake{25%{transform:translate(-5px)}50%{transform:translate(5px)}75%{transform:translate(-3px)}}@keyframes activity-enter{0%{opacity:0;transform:translateY(13px)scale(.99)}}@keyframes example-enter{0%{opacity:0;transform:translate(-18px)}}@keyframes arrow-bob{50%{transform:translate(7px)}}@keyframes arrow-down{50%{transform:translateY(5px)}}@keyframes typing-dot{50%{opacity:.45;transform:translateY(-4px)}}@keyframes confetti{0%{opacity:1;transform:translate(0)rotate(0)}to{opacity:0;transform:translate(var(--x,0), -150px) rotate(260deg)}}.celebration i:first-child{--x:-126px}.celebration i:nth-child(2){--x:-84px}.celebration i:nth-child(3){--x:-42px}.celebration i:nth-child(4){--x:42px}.celebration i:nth-child(5){--x:84px}.celebration i:nth-child(6){--x:126px}@media (width<=1180px){.map-grid{grid-template-columns:repeat(3,1fr)}.hero{grid-template-columns:1fr;padding-top:55px}.hero-lab{min-height:430px}.lesson-hero{grid-template-columns:1fr}.lesson-hero>div:first-child{padding:0;position:static}.focus-shell{grid-template-columns:1fr}.coach-card{position:static}.activity-rail small{display:none}.activity-rail button{grid-template-rows:auto}.activity-rail button>span{grid-row:auto}}@media (width<=900px){.menu-button{display:block}.sidebar{transition:transform .25s;transform:translate(-105%);box-shadow:20px 0 50px #142a4633}.sidebar.sidebar-open{transform:translate(0)}.close-button{display:block}.scrim{z-index:39;background:#0c1e3180;border:0;position:fixed;inset:72px 0 0}.content{margin-left:0}.map-grid{grid-template-columns:repeat(2,1fr)}.header-progress span{display:none}.hero{min-height:auto}.trace-grid,.editor-grid,.challenge-grid,.solve-workspace{grid-template-columns:1fr}.output-pane,.solve-console{border-top:1px solid #29405d;border-left:0}.editor-pane textarea,.output-pane pre{height:240px;min-height:240px}.trace-code{min-height:260px}.lesson-page{padding-top:45px}.activity-rail{grid-template-columns:repeat(3,1fr)}.activity-rail button{grid-template-columns:30px 1fr}.collection-guide-head{grid-template-columns:1fr}.collection-signature{width:100%}.action-reference-title{flex-direction:column;align-items:flex-start}.action-reference-title p{text-align:left}.example-scene{grid-template-columns:1fr}.example-arrow{transform:rotate(90deg)}.example-code,.example-result{min-height:145px}.guided-nav{grid-template-columns:auto 1fr}.guided-nav>div{display:none}.guided-nav .primary{width:100%;min-width:0}}@media (width<=600px){.topbar{padding:0 14px}.brand>span:last-child{display:none}.xp-pill{margin-left:auto;margin-right:8px;padding:7px 8px}.mini-track{width:65px}.hero,.course-map,.lesson-page{padding-left:14px;padding-right:14px}.hero{gap:20px;padding-top:40px}.hero h1{font-size:43px}.hero-copy>p{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch}.secondary{text-align:center}.learning-cycle{grid-template-columns:repeat(2,1fr)}.hero-lab{min-height:370px}.lab-window{transform:none;box-shadow:10px 10px #dfe9ff}.orbit{display:none}.memory-demo{grid-template-columns:1fr}.console-box{min-height:90px}.map-grid{grid-template-columns:1fr}.map-card{min-height:165px}.lesson-hero h2{font-size:39px}.lesson-hero h2>span{width:53px;height:53px}.lesson-titlebar{align-items:flex-start}.lesson-titlebar h2{font-size:27px}.lesson-time{display:none}.lesson-symbol{flex-basis:49px;width:49px;height:49px}.activity-rail{grid-template-columns:repeat(2,1fr)}.activity-card{padding:16px}.coach-card{padding:13px}.coach-face{flex-basis:42px;width:42px;height:42px}.interaction-goal{flex-direction:column;align-items:stretch}.move-meter{width:100%}.concept-card,.challenge-card{padding:19px}.concept-card h3{font-size:18px}.visual-stage{min-height:270px;padding:18px 10px}.card-head{align-items:flex-start;padding:16px}.card-head h3{font-size:21px}.trace-head-actions{flex-direction:column;align-items:flex-end}.step-count,.runtime{margin-top:4px}.memory-grid{grid-template-columns:1fr}.step-controls{padding:13px}.step-controls button{font-size:10px}.number-controls{grid-template-columns:1fr}.pipeline{flex-wrap:wrap;justify-content:center;gap:5px}.char-row{gap:3px}.char-row span{width:39px}.venn div{width:125px;height:125px}.venn span{left:110px}.loop-row span{width:52px}.pipe-values{gap:3px}.pipe-values span{width:40px}.feature-grid{grid-template-columns:repeat(2,1fr)}.collection-guide-head{padding:17px}.collection-purpose{flex-direction:column;align-items:flex-start;gap:5px}.collection-warnings{grid-template-columns:1fr;gap:7px}.collection-section-tabs{grid-template-columns:1fr 1fr}.action-reference{padding:12px}.action-table-head{display:none}.action-row{grid-template-columns:1fr auto;gap:7px;padding:12px}.action-row code,.action-row p{grid-column:1/3}.action-row>strong{align-self:center}.examples-next{align-items:flex-start}.example-tabs{grid-template-columns:1fr}.why-box{flex-wrap:wrap;align-items:flex-start}.example-actions{width:100%;margin-left:35px;overflow-x:auto}.puzzle-actions{flex-direction:column;align-items:stretch}.puzzle-actions .primary{width:100%}.solve-brief{grid-template-columns:1fr}.target-output{width:100%}.solve-editor textarea{height:250px}.guidance-title{flex-direction:column;align-items:stretch}.guidance-title button{width:100%}.solve-input,.solution-unlock{flex-direction:column;align-items:stretch}.solution-unlock button{width:100%}.solution-code .editor-bar{gap:8px;height:auto;min-height:42px;padding-top:8px;padding-bottom:8px}.ollama-launcher{min-width:150px;bottom:78px;right:10px}.ollama-launcher.open{opacity:0;pointer-events:none;transform:none}.ollama-panel{border-radius:16px 16px 0 0;width:100%;top:72px;bottom:0;right:0}.build-mission{padding:25px 13px}.guided-nav{gap:7px;padding:10px;bottom:7px}.guided-nav .back-step{font-size:11px}.guided-nav .primary{padding:12px 9px;font-size:11px}.quiz,.mission{padding:17px}.lesson-finish{flex-direction:column;align-items:stretch}.lesson-finish .primary{width:100%}footer{flex-direction:column;align-items:flex-start;gap:10px}footer p{margin:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}@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}