/*! 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;--pencil-sweep:0deg}}}@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-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--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}.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}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.end\!{inset-inline-end:var(--spacing)!important}.top-1{top:calc(var(--spacing) * 1)}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.table{display:table}.shrink{flex-shrink:1}.grow{flex-grow:1}.grow\!{flex-grow:1!important}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.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,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--black:#111;--ink:#202020;--gray:#676767;--light-gray:#d6d6d6;--paper:#f7f7f5;--white:#fff;--font-ui:Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif}*{box-sizing:border-box}html,body{min-width:320px;min-height:100%;margin:0}body{color:var(--black);font-family:var(--font-ui);overscroll-behavior:none;background:#171717}button,canvas{-webkit-tap-highlight-color:transparent}button{color:inherit;font:inherit}button:focus-visible,canvas:focus-visible{outline:3px solid var(--black);outline-offset:3px}.sr-only{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-stage{justify-content:center;align-items:center;min-height:100dvh;padding:12px;display:flex}.phone-app{background:var(--white);border:2px solid var(--black);width:100%;max-width:430px;height:min(880px,100dvh - 24px);position:relative;overflow:hidden;box-shadow:0 22px 80px #0000007a}.split-screen{grid-template-rows:minmax(0,44%) minmax(0,56%);height:100%;min-height:0;display:grid}.question-half,.writing-half{min-height:0;position:relative;overflow:hidden}.question-half{background:var(--paper);border-bottom:3px solid var(--black)}.paper-grid{opacity:.52;pointer-events:none;background-image:linear-gradient(#dedede 1px,#0000 1px),linear-gradient(90deg,#dedede 1px,#0000 1px);background-size:18px 18px;position:absolute;inset:0}.phone-header{padding:max(10px, env(safe-area-inset-top)) 12px 0;z-index:4;grid-template-columns:68px 1fr 68px;align-items:center;gap:8px;display:grid;position:absolute;top:0;left:0;right:0}.bucket-button{background:var(--white);border:2px solid var(--black);cursor:pointer;justify-content:space-between;align-items:center;height:38px;padding:0 8px;display:flex;transform:rotate(-1deg)}.bucket-button:last-child{transform:rotate(1deg)}.bucket-button span{font-size:9px;font-weight:900}.bucket-button strong{font-family:"Arial Black", var(--font-ui);font-size:16px}.logo-mark{text-align:center;line-height:1}.logo-mark strong,.logo-mark small{display:block}.logo-mark strong{letter-spacing:-.08em;font-size:18px;font-weight:950}.logo-mark small{color:#5e5e5e;margin-top:4px;font-size:8px;font-weight:700}.quiz-meta{left:14px;right:14px;top:calc(max(10px, env(safe-area-inset-top)) + 53px);z-index:3;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;display:grid;position:absolute}.quiz-meta>span{font-family:"Arial Black", var(--font-ui);letter-spacing:.04em;font-size:9px}.progress-track{background:var(--white);border:1px solid var(--black);height:8px;overflow:hidden}.progress-track i{background:var(--black);height:100%;transition:width .22s;display:block}.recognizer-chip{background:var(--white);border:1px solid var(--black);white-space:nowrap;border-radius:999px;align-items:center;gap:5px;height:24px;padding:0 8px;font-size:8px;font-weight:850;display:inline-flex}.recognizer-chip:before{background:var(--black);content:"";border-radius:50%;width:6px;height:6px}.recognizer-chip[data-state=loading]:before,.recognizer-chip[data-state=reading]:before{animation:.7s steps(2,end) infinite blink}.recognizer-chip[data-state=error]:before{border:1px solid var(--black);background:0 0}.question-copy{text-align:left;z-index:2;max-width:calc(100% - 44px);position:absolute;top:29%;left:22px}.question-copy>p{color:#565656;letter-spacing:-.03em;margin:0 0 9px;font-size:11px;font-weight:750}.question-copy h1{align-items:baseline;gap:11px;margin:0;line-height:1;display:flex}.question-copy h1 strong{letter-spacing:-.11em;font-size:clamp(34px,10vw,48px);font-weight:950}.question-copy h1 span{font-family:Georgia,serif;font-size:38px;font-weight:400}.answer-blank{gap:6px;margin-top:18px;display:flex}.answer-blank i{border-bottom:3px solid var(--black);width:min(25px,6vw);height:10px;display:block}.question-copy>small{color:#666;margin-top:11px;font-size:9px;font-weight:700;display:block}.revealed-answer{background:var(--white);border:2px solid var(--black);cursor:pointer;align-items:baseline;gap:12px;margin-top:13px;padding:3px 9px 6px;font-family:Georgia,Times New Roman,serif;font-size:34px;font-weight:700;display:flex}.revealed-answer span{font-family:var(--font-ui);font-size:8px;font-weight:850}.dad-mentor{pointer-events:none;z-index:3;height:190px;position:absolute;bottom:0;left:0;right:0}.dad-character{filter:contrast(1.07);object-fit:contain;pointer-events:none;transform-origin:65% 92%;width:205px;height:205px;display:block;position:absolute;bottom:-47px;right:-7px}.dad-dialogue-card{pointer-events:auto;z-index:2;width:min(190px,52vw);position:absolute;bottom:82px;right:116px;transform:rotate(-.8deg)}.dad-name-row{z-index:2;justify-content:space-between;align-items:flex-end;margin:0 7px -1px;display:flex;position:relative}.dad-name-row>span{background:var(--black);color:var(--white);letter-spacing:-.02em;padding:4px 8px 5px;font-size:8px;font-weight:950}.dad-name-row button{background:var(--white);border:1px solid var(--black);cursor:pointer;border-bottom:0;padding:4px 6px;font-size:7px;font-weight:900}.dad-name-row button[aria-pressed=false]{color:#888}.dad-line{border:2px solid var(--black);cursor:pointer;text-align:left;background:#fffffff7;width:100%;min-height:58px;padding:9px 36px 9px 10px;display:block;position:relative}.dad-line:after{background:var(--white);border-bottom:2px solid var(--black);border-right:2px solid var(--black);content:"";width:12px;height:12px;position:absolute;bottom:-7px;right:18px;transform:rotate(45deg)}.dad-line strong{letter-spacing:-.04em;font-size:11px;font-weight:900;line-height:1.35;display:block}.voice-waves{opacity:.22;align-items:flex-end;gap:2px;height:14px;display:flex;position:absolute;bottom:10px;right:10px}.voice-waves i{background:var(--black);width:3px;height:5px;display:block}.voice-waves i:nth-child(2){height:11px}.voice-waves i:nth-child(3){height:8px}.dad-speaking .voice-waves{opacity:1}.dad-speaking .voice-waves i{animation:.24s steps(2,end) infinite alternate voice-hop}.dad-speaking .voice-waves i:nth-child(2){animation-delay:80ms}.dad-speaking .voice-waves i:nth-child(3){animation-delay:.16s}.mood-proud .dad-character,.mood-cheering .dad-character{animation:.48s both dad-proud}.mood-gentle .dad-character{animation:.42s both dad-coach}.mood-comic-angry .dad-character{animation:.56s steps(5,end) both dad-comic-rage}.mood-flustered .dad-character{animation:.52s both dad-fluster}.mood-shocked .dad-character{animation:.46s cubic-bezier(.2,1.5,.4,1) both dad-shock}.mood-awkward .dad-character{animation:.62s both dad-awkward}.mood-comic-angry .dad-dialogue-card{transform:rotate(1.2deg)}.mood-comic-angry .dad-line{background:var(--black);box-shadow:4px 4px 0 var(--white), 6px 6px 0 var(--black);color:var(--white)}.mood-comic-angry .dad-line:after{background:var(--black);border-color:var(--white)}.mood-comic-angry .voice-waves i{background:var(--white)}.mood-comic-angry:before,.mood-flustered:before,.mood-shocked:before,.mood-awkward:before{background:var(--white);border:2px solid var(--black);color:var(--black);pointer-events:none;z-index:4;padding:3px 6px;font-size:8px;font-weight:950;position:absolute;top:4px;right:8px;transform:rotate(4deg)}.mood-comic-angry:before{background:var(--black);color:var(--white);content:"화난 척 3초";transform:rotate(-5deg)}.mood-flustered:before{content:"당황 MAX"}.mood-shocked:before{content:"헉!";font-size:12px;transform:rotate(-7deg)}.mood-awkward:before{content:"머쓱…";transform:rotate(3deg)}.dad-speaking .dad-character{animation:.15s steps(2,end) infinite alternate dad-chatter}.mood-comic-angry.dad-speaking .dad-character{animation:92ms steps(2,end) infinite alternate dad-comic-chatter}.mood-flustered.dad-speaking .dad-character{animation:.15s ease-in-out infinite alternate dad-fluster-chatter}.mood-shocked.dad-speaking .dad-character{animation:.17s steps(2,end) infinite alternate dad-shock-chatter}.mood-awkward.dad-speaking .dad-character{animation:.26s ease-in-out infinite alternate dad-awkward-chatter}.writing-half{background:var(--white);grid-template-rows:auto auto minmax(0,1fr) auto;display:grid}.divider-label{background:var(--black);color:var(--white);font-family:"Arial Black", var(--font-ui);letter-spacing:.11em;z-index:5;padding:4px 11px 5px;font-size:8px;position:absolute;top:0;left:50%;transform:translate(-50%,-50%)}.writing-head{flex-wrap:wrap;grid-row:2;justify-content:space-between;align-items:center;gap:8px;padding:18px 16px 10px;display:flex}.writing-head strong,.writing-head small{display:block}.writing-head strong{letter-spacing:-.05em;font-size:15px;font-weight:950}.writing-head small{color:#666;margin-top:2px;font-size:9px}.live-recognition{background:var(--black);border:2px solid var(--black);color:var(--white);flex:none;grid-template-columns:auto minmax(1.4ch,auto);align-items:center;gap:2px 7px;min-width:82px;min-height:36px;padding:4px 8px;display:inline-grid;position:relative}.live-recognition span,.live-recognition small{color:inherit;letter-spacing:.08em;text-transform:uppercase;grid-column:1;margin:0;font-size:7px;font-weight:950;line-height:1}.live-recognition strong{color:inherit;font-family:"Arial Black", var(--font-ui);font-variant-numeric:tabular-nums;letter-spacing:-.04em;text-align:center;grid-area:1/2/span 2;min-width:1.3ch;font-size:19px;line-height:1}.live-recognition[aria-busy=true],.live-recognition.is-reading,.live-recognition.reading,.live-recognition[data-state=reading]{box-shadow:inset 0 -3px #9a9a9a}.live-recognition[aria-busy=true]:after,.live-recognition.is-reading:after,.live-recognition.reading:after,.live-recognition[data-state=reading]:after{background:var(--white);content:"";width:4px;height:4px;position:absolute;top:3px;right:3px}.live-recognition.is-uncertain,.live-recognition.uncertain,.live-recognition[data-state=uncertain]{background:var(--white);color:var(--black);border-style:dashed}.live-recognition.is-error,.live-recognition.error,.live-recognition[data-state=error]{color:var(--black);outline:1px solid var(--black);outline-offset:-5px;background:#e5e5e5}.sound-toggle{background:var(--white);border:1px solid var(--black);cursor:pointer;white-space:nowrap;border-radius:999px;padding:5px 8px;font-size:9px;font-weight:850}.sound-toggle[aria-pressed=false]{color:#888;border-color:#aaa}.sound-settings{flex:none;align-items:center;gap:4px;display:flex}.sound-preferences{background:var(--white);border:2px solid var(--black);justify-content:space-between;align-items:center;padding:10px 11px;display:flex}.sound-preferences>div:first-child small,.sound-preferences>div:first-child strong{display:block}.sound-preferences>div:first-child small{color:#777;letter-spacing:.08em;font-size:7px;font-weight:900}.sound-preferences>div:first-child strong{margin-top:2px;font-size:13px;font-weight:950}.home-preferences-actions{flex-direction:column;align-items:flex-end;gap:6px;display:flex}.language-picker-settings select{max-width:118px;height:28px}.play-privacy-link{color:#555;cursor:pointer;text-underline-offset:2px;background:0 0;border:0;padding:0;font-size:8px;font-weight:850;text-decoration:underline}.play-privacy-link:focus-visible{outline:3px solid var(--black);outline-offset:3px}.quiz-sound-settings .sound-toggle{padding-inline:6px;font-size:8px}.quiz-sound-settings{margin-left:auto}.privacy-page{background:linear-gradient(#11111109 1px, transparent 1px), var(--paper);color:var(--ink);background-size:100% 28px;min-height:100dvh;padding:48px 20px 72px}.privacy-document{background:var(--white);border:2px solid var(--black);box-shadow:8px 8px 0 var(--black);max-width:760px;margin:0 auto;padding:clamp(24px,6vw,56px)}.privacy-document header{border-bottom:3px double var(--black);margin-bottom:32px;padding-bottom:24px}.privacy-eyebrow{color:var(--gray);letter-spacing:.12em;margin:0 0 10px;font-size:12px;font-weight:900}.privacy-document h1{letter-spacing:-.05em;margin:0;font-size:clamp(28px,6vw,44px);line-height:1.12}.privacy-effective-date{color:var(--gray);margin:14px 0 0;font-size:13px;font-weight:700}.privacy-document section+section{border-top:1px solid var(--light-gray);margin-top:28px;padding-top:28px}.privacy-document h2{letter-spacing:-.03em;margin:0 0 12px;font-size:19px}.privacy-document p,.privacy-document li{font-size:15px;line-height:1.75}.privacy-document ul{padding-left:22px}.privacy-document a{color:var(--black);text-underline-offset:3px;font-weight:800}.privacy-back-link{margin-top:36px;display:inline-block}@media (width<=520px){.privacy-page{padding:20px 12px 48px}.privacy-document{box-shadow:5px 5px 0 var(--black)}}.canvas-frame{border:2px solid var(--black);background-color:#fafafa;background-image:linear-gradient(#e0e0e0 1px,#0000 1px),linear-gradient(90deg,#e0e0e0 1px,#0000 1px);background-size:22px 22px;grid-row:3;min-height:0;margin:0 14px;position:relative;overflow:hidden}.canvas-frame:before,.canvas-frame:after{content:"";pointer-events:none;z-index:0;border-style:dashed;border-color:#bbb;position:absolute}.canvas-frame:before{border-width:1px 0 0;top:50%;left:0;right:0}.canvas-frame:after{border-width:0 0 0 1px;top:0;bottom:0;left:50%}.canvas-frame canvas{touch-action:none;z-index:2;width:100%;height:100%;position:absolute;inset:0}.canvas-placeholder{color:#999;pointer-events:none;z-index:1;flex-direction:column;justify-content:center;align-items:center;font-size:10px;font-weight:800;display:flex;position:absolute;inset:0}.canvas-placeholder b{color:#5f5f5f;margin-bottom:5px;font-size:8px}.canvas-placeholder i{border-bottom:2px dotted #b9b9b9;width:45%;margin-top:14px}.writing-actions{padding:10px 14px max(11px, env(safe-area-inset-bottom));grid-row:4;grid-template-columns:1fr 1fr;gap:7px;display:grid}.writing-actions button{background:var(--white);border:2px solid var(--black);cursor:pointer;min-height:43px;padding:0 5px;font-size:9px;font-weight:900}.writing-actions button:disabled{color:#b0b0b0;cursor:default;border-color:#c6c6c6}.archive-screen{background-color:var(--paper);background-image:linear-gradient(#e2e2e2 1px,#0000 1px),linear-gradient(90deg,#e2e2e2 1px,#0000 1px);background-size:18px 18px;grid-template-rows:auto 1fr auto;height:100%;display:grid}.archive-header{border-bottom:3px solid var(--black);padding:max(13px, env(safe-area-inset-top)) 14px 12px;background:#f7f7f5f5;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;display:grid}.archive-header button{background:var(--white);border:2px solid var(--black);cursor:pointer;width:38px;height:38px;padding:0;font-size:20px}.archive-header h1{letter-spacing:-.07em;margin:0;font-size:22px;font-weight:950}.archive-header span{font-family:"Arial Black", var(--font-ui);font-size:12px}.archive-list{margin:0;padding:16px 14px 28px;list-style:none;overflow-y:auto}.archive-card{background:var(--white);border:2px solid var(--black);grid-template-columns:1fr auto;align-items:center;gap:10px;margin-bottom:10px;padding:13px;display:grid;transform:rotate(-.35deg)}.archive-card:nth-child(2n){transform:rotate(.35deg)}.archive-word strong,.archive-word span,.archive-word small{display:block}.archive-word strong{letter-spacing:-.05em;font-size:18px;font-weight:950}.archive-word span{margin-top:2px;font-family:Georgia,Times New Roman,serif;font-size:22px;font-weight:700}.archive-word small{color:var(--gray);margin-top:4px;font-size:9px}.archive-card button{background:var(--black);border:2px solid var(--black);color:var(--white);cursor:pointer;min-height:40px;padding:0 12px;font-size:10px;font-weight:900}.archive-card button.speak-button{background:var(--white);color:var(--black);width:42px;font-size:17px}.archive-empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;height:100%;display:flex}.archive-empty img{filter:grayscale();object-fit:contain;width:150px;height:150px}.archive-empty strong{font-size:18px;font-weight:950}.archive-empty small{color:var(--gray);margin-top:4px;font-size:10px}.archive-note{background:var(--black);color:var(--white);padding:10px 14px max(10px, env(safe-area-inset-bottom));text-align:center;margin:0;font-size:9px;font-weight:750}.mono-toast{background:var(--black);border:2px solid var(--white);bottom:max(18px, env(safe-area-inset-bottom));color:var(--white);white-space:nowrap;z-index:20;padding:10px 14px;font-size:11px;font-weight:850;animation:.18s both toast-pop;position:fixed;left:50%;transform:translate(-50%)}@keyframes dad-proud{50%{transform:translateY(-8px)rotate(1.5deg)}}@keyframes dad-coach{0%{transform:rotate(0)}to{transform:rotate(-1.5deg)}}@keyframes dad-comic-rage{0%{transform:translate(0)rotate(0)}20%{transform:translate(-5px)rotate(-2deg)}40%{transform:translate(5px)rotate(2deg)}60%{transform:translate(-4px)rotate(-1.5deg)}80%{transform:translate(4px)rotate(1.5deg)}to{transform:translate(0)rotate(0)}}@keyframes dad-fluster{0%{transform:rotate(0)}35%{transform:translate(-3px)rotate(-2deg)}70%{transform:translate(3px)rotate(2deg)}to{transform:translate(0)rotate(-.7deg)}}@keyframes dad-shock{0%{transform:scale(.84)translateY(12px)}65%{transform:scale(1.06)translateY(-5px)}to{transform:scale(1)translateY(0)}}@keyframes dad-awkward{0%{transform:translate(0)rotate(0)}to{transform:translate(3px)rotate(1.5deg)}}@keyframes dad-comic-chatter{0%{transform:translate(-4px)translateY(0)rotate(-1.5deg)}to{transform:translate(4px)translateY(2px)rotate(1.5deg)}}@keyframes dad-fluster-chatter{0%{transform:translate(-2px)rotate(-1deg)}to{transform:translate(2px)translateY(2px)rotate(1deg)}}@keyframes dad-shock-chatter{0%{transform:scale(1)translateY(0)}to{transform:scale(1.025)translateY(-3px)}}@keyframes dad-awkward-chatter{0%{transform:rotate(.4deg)}to{transform:translateY(2px)rotate(1.4deg)}}@keyframes dad-chatter{0%{transform:translateY(0)rotate(-.35deg)}to{transform:translateY(2px)rotate(.35deg)}}@keyframes voice-hop{0%{transform:scaleY(.45)}to{transform:scaleY(1.15)}}@keyframes blink{50%{opacity:.2}}@keyframes answer-caret-blink{0%,48%{opacity:1}49%,to{opacity:.12}}@keyframes answer-mismatch-blink{0%{opacity:.42;transform:scale(.97)}to{opacity:1;transform:scale(1)}}@property --pencil-sweep{syntax:"<angle>";inherits:false;initial-value:0deg}@keyframes red-pencil-circle-draw{0%{--pencil-sweep:0deg}to{--pencil-sweep:360deg}}@keyframes toast-pop{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}@media (width<=480px){body{background:var(--white)}.app-stage{min-height:100dvh;padding:0;display:block}.phone-app{box-shadow:none;border:0;max-width:none;height:100dvh}.writing-head{padding-inline:12px}.live-recognition{min-width:76px;padding-inline:7px}}@media (height<=720px){.phone-header{padding-top:max(6px, env(safe-area-inset-top))}.quiz-meta{top:calc(max(6px, env(safe-area-inset-top)) + 45px)}.question-copy{top:27%}.question-copy>p,.question-copy>small{display:none}.question-copy h1 strong{font-size:34px}.answer-blank{margin-top:10px}.dad-mentor{height:155px}.dad-character{width:165px;height:165px;bottom:-42px;right:-9px}.dad-dialogue-card{width:min(158px,47vw);bottom:63px;right:98px}.dad-line{min-height:48px;padding-top:7px;padding-bottom:7px}.dad-line strong{font-size:9px}.writing-head{padding-top:14px;padding-bottom:7px}.live-recognition{min-width:72px;min-height:31px;padding:3px 6px}.live-recognition strong{font-size:16px}.writing-head small{display:none}.live-recognition span,.live-recognition small{display:block}.writing-actions{padding-top:7px}.writing-actions button{min-height:37px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}.answer-mark.is-just-correct:before,.answer-mark.is-just-correct:after{--pencil-sweep:360deg!important;animation:none!important}}.tutorial-screen{background-color:var(--paper);background-image:linear-gradient(#e2e2e2 1px,#0000 1px),linear-gradient(90deg,#e2e2e2 1px,#0000 1px);background-size:18px 18px;grid-template-rows:auto 5px minmax(0,1fr) auto;height:100%;min-height:0;display:grid}.tutorial-topbar{border-bottom:2px solid var(--black);padding:max(14px, env(safe-area-inset-top)) 16px 12px;background:#f7f7f5fa;justify-content:space-between;align-items:center;display:flex}.tutorial-topbar small,.tutorial-topbar strong{display:block}.tutorial-topbar small{letter-spacing:.1em;font-size:7px;font-weight:950}.tutorial-topbar strong{letter-spacing:-.04em;margin-top:3px;font-size:14px;font-weight:950}.tutorial-topbar>span{border:2px solid var(--black);font-family:"Arial Black", var(--font-ui);padding:6px 7px;font-size:10px;transform:rotate(1deg)}.tutorial-progress{background:#d7d7d7;grid-template-columns:repeat(4,1fr);gap:2px;display:grid}.tutorial-progress i{background:0 0}.tutorial-progress i[data-active=true]{background:var(--black)}.tutorial-scroll{min-height:0;overflow:hidden auto}.tutorial-page{min-height:100%;padding:24px 19px 30px;animation:.26s cubic-bezier(.2,.75,.2,1) tutorial-page-in}.tutorial-kicker{letter-spacing:.05em;text-transform:uppercase;align-items:center;gap:7px;font-size:8px;font-weight:950;display:flex}.tutorial-kicker:before{content:"";background:#c72b3a;border-radius:50%;width:8px;height:8px}.tutorial-page h1{font-family:"Arial Black", var(--font-ui);letter-spacing:-.085em;outline:none;margin:15px 0 13px;font-size:clamp(27px,8.8vw,39px);font-weight:950;line-height:1.03}.tutorial-page h1:focus-visible{outline:3px solid var(--black);outline-offset:5px}.tutorial-lead{color:#343434;word-break:keep-all;margin:0;font-size:12px;font-weight:750;line-height:1.66}.tutorial-intro{grid-template-columns:minmax(0,1fr) 126px;align-content:start;display:grid}.tutorial-intro .tutorial-kicker,.tutorial-intro h1,.tutorial-intro .tutorial-honesty-note{grid-column:1/-1}.tutorial-intro>.tutorial-lead{grid-column:1;align-self:center;padding-right:4px}.tutorial-intro>img{filter:contrast(1.05);object-fit:contain;grid-column:2;align-self:end;width:146px;height:146px}.tutorial-honesty-note,.tutorial-limit-note{background:var(--white);border:2px solid var(--black);margin-top:13px;padding:12px 13px;display:block;position:relative;transform:rotate(-.25deg)}.tutorial-honesty-note:before{color:#c72b3a;content:"✓";font-family:"Arial Black", var(--font-ui);font-size:26px;position:absolute;top:7px;right:11px;transform:rotate(-8deg)}.tutorial-honesty-note strong,.tutorial-limit-note b{padding-right:28px;font-size:10px;font-weight:950;display:block}.tutorial-honesty-note p,.tutorial-limit-note span{color:#555;word-break:keep-all;margin:5px 0 0;font-size:9px;font-weight:750;line-height:1.55;display:block}.tutorial-equation-demo{background:var(--white);border:3px solid var(--black);font-family:"Arial Black", var(--font-ui);letter-spacing:-.08em;justify-content:center;align-items:center;min-height:105px;margin:17px 0 16px;font-size:clamp(39px,12vw,54px);display:flex;transform:rotate(.35deg)}.tutorial-equation-demo strong{color:#c72b3a;margin-left:.13em}.tutorial-limit-note{border-style:dashed;margin-top:15px;transform:rotate(.2deg)}.tutorial-limit-note b{padding-right:0}.tutorial-source-link{background:var(--black);border:2px solid var(--black);color:var(--white);justify-content:space-between;align-items:center;min-height:40px;margin-top:12px;padding:8px 11px;font-size:9px;font-weight:950;line-height:1.35;text-decoration:none;display:flex}.tutorial-source-link:focus-visible{outline-offset:3px;outline:3px solid #c72b3a}.tutorial-study-facts{grid-template-columns:repeat(3,1fr);gap:6px;margin:17px 0;display:grid}.tutorial-study-facts span{background:var(--white);border:2px solid var(--black);text-align:center;min-height:66px;padding:9px 5px;font-size:7px;font-weight:850}.tutorial-study-facts span:nth-child(2){transform:rotate(-.8deg)}.tutorial-study-facts b{font-family:"Arial Black", var(--font-ui);letter-spacing:-.05em;margin-bottom:5px;font-size:16px;display:block}.tutorial-spacing-source{margin-bottom:14px}.tutorial-howto{gap:7px;display:grid}.tutorial-howto>span{border:2px solid var(--black);background:#ffffffed;grid-template-columns:30px minmax(0,1fr);align-items:center;gap:0 9px;padding:8px 10px;display:grid}.tutorial-howto i{background:var(--black);color:var(--white);border-radius:50%;grid-row:1/3;justify-content:center;align-items:center;width:27px;height:27px;font-size:10px;font-style:normal;font-weight:950;display:flex}.tutorial-howto b,.tutorial-howto small{display:block}.tutorial-howto b{font-size:10px;font-weight:950}.tutorial-howto small{color:#666;margin-top:2px;font-size:8px;font-weight:750}.tutorial-answer-demo{font-family:"Arial Black", var(--font-ui);letter-spacing:-.08em;justify-content:center;align-items:baseline;margin:20px 0 13px;font-size:clamp(38px,12vw,54px);display:flex}.tutorial-answer-demo strong{margin-left:.12em;position:relative}.tutorial-answer-demo strong:before,.tutorial-answer-demo strong:after{content:"";border:4px solid #c72b3ae6;border-radius:52% 48% 55% 45%;position:absolute;inset:-.16em -.25em;transform:rotate(-7deg)}.tutorial-answer-demo strong:after{border-width:2px;border-color:#e5454e73;inset:-.11em -.2em;transform:rotate(5deg)}.tutorial-medical-disclaimer{color:#6b6b6b;text-align:center;margin:0;font-size:7px;font-weight:750;line-height:1.5}.tutorial-actions{border-top:3px solid var(--black);padding:10px 14px max(10px, env(safe-area-inset-bottom));background:#fffffffa;grid-template-columns:82px minmax(0,1fr);gap:8px;display:grid}.tutorial-actions button{background:var(--white);border:2px solid var(--black);cursor:pointer;min-height:46px;padding:0 10px;font-size:11px;font-weight:950}.tutorial-actions .tutorial-next{background:var(--black);color:var(--white)}.tutorial-actions button:disabled{color:#888;cursor:default;background:#e4e4e4;border-color:#aaa}.story-call-gate{--story-red:#c72b3a;background-color:var(--paper);color:var(--black);isolation:isolate;background-image:linear-gradient(#14141414 1px,#0000 1px),linear-gradient(90deg,#14141414 1px,#0000 1px);background-size:18px 18px;grid-template-rows:auto minmax(0,1fr) auto;height:100%;min-height:0;display:grid;position:relative;overflow:hidden}.story-call-gate:before{border:3px solid var(--story-red);content:"";z-index:-1;background:#c72b3a1f;border-radius:50%;width:min(520px,112vw);height:min(520px,112vw);position:absolute;top:82px;right:min(-265px,-46vw);transform:rotate(-8deg)}.story-call-header{border-bottom:3px solid var(--black);min-height:67px;padding:max(11px, env(safe-area-inset-top)) 15px 9px;z-index:5;background:#fafaf8f7;justify-content:space-between;align-items:center;display:flex;position:relative}.story-call-header div small,.story-call-header div strong{display:block}.story-call-header div small{color:#6b6b6b;letter-spacing:.08em;font-size:8px;font-weight:950}.story-call-header div strong{letter-spacing:-.04em;margin-top:2px;font-size:15px;font-weight:950}.story-call-header>span{background:var(--black);color:var(--white);letter-spacing:.08em;padding:5px 8px;font-size:9px;font-weight:950;transform:rotate(1deg)}.story-call-paper{z-index:1;grid-template-rows:minmax(0,1fr) auto;align-content:center;min-height:0;padding:clamp(13px,3vh,27px) 18px 12px;display:grid;position:relative}.story-call-visual{aspect-ratio:1;align-self:center;width:min(300px,75vw,40vh);max-height:100%;margin:0 auto;position:relative}.story-call-dad-frame{background:var(--white);border:3px solid var(--black);box-shadow:8px 8px 0 var(--black);z-index:2;border-radius:50%;position:absolute;inset:7%;overflow:hidden;transform:rotate(-1.5deg)}.story-call-dad{filter:contrast(1.04);object-fit:contain;object-position:center bottom;pointer-events:none;transform-origin:50% 100%;-webkit-user-select:none;user-select:none;width:112%;height:112%;animation:1.25s ease-in-out infinite alternate story-call-dad-bob;display:block;position:absolute;top:1%;left:-6%}.story-call-rings{position:absolute;inset:0}.story-call-rings i{border:3px solid #0000;border-left-color:var(--story-red);border-top-color:var(--story-red);opacity:0;border-radius:50%;animation:1.45s ease-out infinite story-call-ring;position:absolute;inset:0;transform:rotate(-35deg)scale(.9)}.story-call-rings i:nth-child(2){animation-delay:.24s}.story-call-rings i:nth-child(3){animation-delay:.48s}.story-call-status{background:var(--black);color:var(--white);letter-spacing:-.02em;white-space:nowrap;z-index:4;align-items:center;gap:6px;min-height:29px;padding:5px 10px;font-size:10px;font-weight:950;display:inline-flex;position:absolute;bottom:1%;left:50%;transform:translate(-50%)rotate(1deg)}.story-call-status i{border:1px solid var(--white);background:#f05b67;border-radius:50%;width:8px;height:8px;animation:.76s step-end infinite story-call-status-pulse}.story-call-copy{text-align:center;max-width:360px;margin:8px auto 0}.story-call-copy>small{color:var(--story-red);letter-spacing:-.02em;font-size:10px;font-weight:950;display:block}.story-call-copy h1{font-family:"Arial Black", var(--font-ui);letter-spacing:-.075em;text-wrap:balance;margin:7px 0 8px;font-size:clamp(28px,8.7vw,41px);font-weight:950;line-height:1.04}.story-call-copy p{color:#4e4e4e;word-break:keep-all;max-width:315px;margin:0 auto;font-size:12px;font-weight:800;line-height:1.5}.story-call-actions{border-top:3px solid var(--black);padding:12px max(16px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));text-align:center;z-index:5;background:#fafaf8fa;position:relative}.story-call-button{background:var(--story-red);border:3px solid var(--black);box-shadow:5px 5px 0 var(--black);color:var(--white);cursor:pointer;text-align:center;touch-action:manipulation;grid-template-columns:24px minmax(0,1fr) 24px;align-items:center;width:100%;min-height:60px;padding:8px 13px;font-family:inherit;display:grid;position:relative;overflow:hidden}.story-call-button:after{content:"";pointer-events:none;background:#ffffff38;width:22%;height:160%;animation:1.7s ease-in-out infinite story-call-button-shine;position:absolute;top:-30%;left:-35%;transform:rotate(18deg)}.story-call-button:active{box-shadow:2px 2px 0 var(--black);transform:translate(3px,3px)}.story-call-button:focus-visible{outline:3px solid var(--black);outline-offset:3px}.story-call-button span,.story-call-button b{z-index:1;font-size:14px;position:relative}.story-call-button span{color:#ffd7db;animation:.76s step-end infinite story-call-status-pulse}.story-call-button strong{letter-spacing:-.045em;z-index:1;font-size:18px;font-weight:950;position:relative}.story-call-actions>small{color:#646464;margin-top:8px;font-size:9px;font-weight:800;display:block}.story-tutorial{--story-red:#c72b3a;background-color:var(--paper);color:var(--black);isolation:isolate;background-image:linear-gradient(#14141414 1px,#0000 1px),linear-gradient(90deg,#14141414 1px,#0000 1px);background-size:18px 18px;grid-template-rows:auto minmax(0,1fr) auto;height:100%;min-height:0;display:grid;position:relative;overflow:hidden}.story-header{border-bottom:3px solid var(--black);min-height:67px;padding:max(11px, env(safe-area-inset-top)) 14px 9px;z-index:8;background:#fafaf8f7;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:9px;display:grid;position:relative}.story-back{background:var(--white);border:2px solid var(--black);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;padding:0 0 2px;font-size:18px;font-weight:950;display:flex}.story-back:disabled{opacity:0;pointer-events:none}.story-header-title small,.story-header-title strong{display:block}.story-header-title small{color:#6b6b6b;letter-spacing:.08em;font-size:8px;font-weight:900}.story-header-title strong{letter-spacing:-.04em;margin-top:2px;font-size:14px;font-weight:950}.story-progress{align-items:center;gap:5px;display:flex}.story-progress i{border:1px solid var(--black);background:#d1d1d1;border-radius:50%;width:8px;height:8px;transition:background .18s,transform .18s;display:block}.story-progress i[data-active=true]{background:var(--story-red);transform:scale(1.18)}.story-stage{min-height:0;position:relative;overflow:hidden}.story-stage:before{border:3px solid var(--black);content:"";background:#ffffffb8;border-radius:50%;width:min(330px,86vw);height:min(330px,44vh);position:absolute;top:45%;left:50%;transform:translate(-50%,-50%)rotate(-2deg)}.story-stage:after{background:var(--story-red);content:"";height:12px;position:absolute;bottom:0;left:0;right:0}.story-dad-anchor{--dad-size:min(365px, 93vw, 48vh);height:var(--dad-size);width:var(--dad-size);z-index:2;animation:.43s cubic-bezier(.18,.78,.2,1) story-dad-enter;position:absolute;bottom:-31px;left:50%;transform:translate(-50%)}.story-dad-motion{transform-origin:50% 100%;will-change:transform;width:100%;height:100%;position:relative}.story-dad{filter:contrast(1.04)drop-shadow(8px 8px #11111124);object-fit:contain;object-position:center bottom;width:100%;height:100%;display:block}.story-scene-2 .story-dad-anchor{--dad-size:min(405px, 105vw, 49vh);bottom:-42px}.story-scene-4 .story-dad{object-position:44% bottom}.story-tutorial[data-speaking=true] .story-dad-motion{animation:.2s ease-in-out infinite alternate story-dad-talk}.story-mouth-rig{opacity:0;pointer-events:none;z-index:4;width:15%;height:13%;transition:opacity 40ms linear;position:absolute;overflow:hidden;transform:translate(-50%,-50%);-webkit-mask-image:radial-gradient(#000 58%,#000000f2 78%,#0000 100%);mask-image:radial-gradient(#000 58%,#000000f2 78%,#0000 100%)}.story-scene-1 .story-mouth-rig{top:53.31%;left:51.83%}.story-scene-2 .story-mouth-rig{top:56.46%;left:51.24%}.story-scene-3 .story-mouth-rig{top:52.51%;left:51.95%}.story-scene-4 .story-mouth-rig{top:51.12%;left:52.23%}.story-tutorial[data-speaking=true] .story-mouth-rig{opacity:1}.story-mouth-frame{position:absolute;inset:0}.story-mouth-frame img{pointer-events:none;-webkit-user-select:none;user-select:none;width:666.667%;max-width:none;height:auto;position:absolute}.story-mouth-closed img{top:-353.94%;left:-296.36%}.story-mouth-open img{top:-384.3%;left:-291.57%}.story-tutorial[data-speaking=true] .story-mouth-open{animation:.12s step-end infinite story-mouth-swap}.story-stage-mark{color:var(--story-red);font-family:"Arial Black", var(--font-ui);letter-spacing:-.08em;opacity:.9;z-index:3;font-size:clamp(29px,10vw,48px);font-weight:950;position:absolute;top:17px;right:17px;transform:rotate(4deg)}.story-sound-marks{opacity:.35;z-index:3;width:45px;height:45px;position:absolute;top:29px;left:24px;transform:rotate(-18deg)}.story-tutorial[data-speaking=true] .story-sound-marks{opacity:1;animation:.52s ease-in-out infinite alternate story-sound-pulse}.story-sound-marks i{background:var(--black);transform-origin:0;width:32px;height:3px;margin-bottom:8px;display:block}.story-sound-marks i:first-child{transform:rotate(-28deg)}.story-sound-marks i:nth-child(2){width:40px}.story-sound-marks i:nth-child(3){transform:rotate(28deg)}.story-dialogue{background:var(--white);border:3px solid var(--black);box-shadow:6px 6px 0 var(--black);margin:-18px 18px max(13px, env(safe-area-inset-bottom));z-index:5;min-height:280px;max-height:min(365px,45vh);padding:29px 15px 13px;animation:.3s cubic-bezier(.2,.78,.2,1) 70ms both story-dialogue-enter;position:relative;overflow:hidden auto}.story-nameplate{background:var(--black);color:var(--white);letter-spacing:.02em;text-align:center;z-index:6;min-width:74px;padding:4px 13px;font-size:13px;font-weight:950;line-height:1;position:absolute;top:4px;left:14px;transform:rotate(-1deg)}.story-dialogue h1,.story-full-dialogue,.story-medical-disclaimer{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.story-spoken-line{letter-spacing:-.035em;word-break:keep-all;min-height:110px;margin:0;font-size:18px;font-weight:850;line-height:1.52}.story-typing-caret{background:var(--story-red);width:3px;height:1em;margin-left:3px;animation:.62s step-end infinite story-caret-blink;display:inline-block;transform:translateY(2px)}.story-promise{border-left:5px solid var(--story-red);color:#444;word-break:keep-all;background:#f3f3f1;margin:9px 0 0;padding:8px 9px;font-size:11px;font-weight:750;line-height:1.45}.story-promise b{color:var(--black);margin-bottom:2px;font-size:10px;display:block}.story-rules{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;margin-top:9px;display:grid}.story-rules span{border:1px solid var(--black);text-align:center;background:#f4f4f2;min-height:36px;padding:7px 3px;font-size:8px;font-weight:900;line-height:1.25}.story-dialogue-tools{justify-content:space-between;align-items:center;min-height:27px;margin-top:8px;display:flex}.story-dialogue-tools small{color:#777;font-size:9px;font-weight:750}.story-evidence-button{border:0;border-bottom:2px solid var(--black);cursor:pointer;background:0 0;padding:3px 1px;font-size:10px;font-weight:950}.story-turn-cue{color:var(--story-red);font-size:13px;font-weight:950;animation:.76s ease-in-out infinite alternate story-turn-cue}.story-response{grid-template-columns:37px minmax(0,1fr);align-items:stretch;gap:7px;margin-top:7px;display:grid}.story-response>span{background:var(--story-red);border:2px solid var(--black);color:var(--white);justify-content:center;align-items:center;font-size:10px;font-weight:950;display:flex}.story-response button{background:var(--black);border:2px solid var(--black);color:var(--white);cursor:pointer;text-align:left;justify-content:space-between;align-items:center;min-height:48px;padding:8px 13px;font-size:13px;font-weight:950;display:flex}.story-response button b{color:#f36b74;margin-left:8px;font-size:11px}.story-response button:disabled{cursor:default;opacity:.45}.story-evidence-backdrop{z-index:40;background:#1111119e;align-items:end;padding:14px;display:grid;position:absolute;inset:0}.story-evidence-sheet{background-color:var(--paper);border:3px solid var(--black);box-shadow:7px 7px 0 var(--black);background-image:linear-gradient(#14141412 1px,#0000 1px),linear-gradient(90deg,#14141412 1px,#0000 1px);background-size:18px 18px;max-height:min(610px,100dvh - 32px);padding:22px 17px 16px;animation:.25s cubic-bezier(.2,.78,.2,1) story-sheet-enter;position:relative;overflow-y:auto}.story-evidence-sheet>small{color:var(--story-red);letter-spacing:.06em;font-size:9px;font-weight:950}.story-evidence-sheet h2{font-family:"Arial Black", var(--font-ui);letter-spacing:-.065em;margin:8px 40px 13px 0;font-size:23px;line-height:1.12}.story-evidence-close{background:var(--white);border:2px solid var(--black);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;padding:0 0 3px;font-size:23px;font-weight:700;display:flex;position:absolute;top:13px;right:13px}.story-evidence-facts{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;display:grid}.story-evidence-facts span{background:var(--white);border:2px solid var(--black);text-align:center;word-break:keep-all;justify-content:center;align-items:center;min-height:58px;padding:6px;font-size:9px;font-weight:950;line-height:1.3;display:flex}.story-evidence-sheet>p{word-break:keep-all;margin:14px 0 10px;font-size:13px;font-weight:800;line-height:1.55}.story-evidence-sheet aside{background:var(--white);border:2px dashed var(--black);color:#565656;word-break:keep-all;padding:10px 11px;font-size:11px;font-weight:750;line-height:1.5}.story-evidence-sheet aside b{color:var(--black);margin-bottom:3px;font-size:10px;display:block}.story-evidence-sheet>a{background:var(--black);color:var(--white);justify-content:space-between;align-items:center;min-height:44px;margin-top:11px;padding:9px 12px;font-size:11px;font-weight:950;text-decoration:none;display:flex}@keyframes story-dad-enter{0%{opacity:0;transform:translate(-50%,24px)scale(.94)}to{opacity:1;transform:translate(-50%)scale(1)}}@keyframes story-call-dad-bob{0%{transform:translateY(2px)rotate(-.4deg)scale(.995)}to{transform:translateY(-5px)rotate(.4deg)scale(1.01)}}@keyframes story-call-ring{0%{opacity:0;transform:rotate(-35deg)scale(.86)}24%{opacity:.75}76%,to{opacity:0;transform:rotate(-35deg)scale(1.08)}}@keyframes story-call-status-pulse{0%,54%{opacity:1}55%,to{opacity:.32}}@keyframes story-call-button-shine{0%,46%{left:-35%}72%,to{left:118%}}@keyframes story-dad-talk{0%{transform:translate(-1px,1px)rotate(-.45deg)scaleY(.995)}to{transform:translate(1px,-4px)rotate(.45deg)scaleY(1.01)}}@keyframes story-mouth-swap{0%,42%{opacity:0}43%,to{opacity:1}}@keyframes story-dialogue-enter{0%{opacity:0;transform:translateY(18px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes story-sheet-enter{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@keyframes story-caret-blink{0%,49%{opacity:1}50%,to{opacity:0}}@keyframes story-turn-cue{0%{transform:translateY(-2px)}to{transform:translateY(3px)}}@keyframes story-sound-pulse{0%{transform:rotate(-18deg)scale(.88)}to{transform:rotate(-18deg)scale(1.08)}}@media (width<=360px){.story-call-header{padding-inline:11px}.story-call-paper{padding-inline:12px}.story-call-visual{width:min(274px,76vw,39vh)}.story-call-copy h1{font-size:clamp(27px,9.2vw,34px)}.story-call-actions{padding-inline:12px}.story-header{grid-template-columns:36px minmax(0,1fr) auto;padding-inline:10px}.story-header-title strong{font-size:13px}.story-dialogue{margin-inline:11px;padding-inline:12px}.story-spoken-line{font-size:17px}.story-response button{padding-inline:10px;font-size:12px}.story-dad-anchor{--dad-size:min(350px, 98vw, 48vh)}.story-scene-2 .story-dad-anchor{--dad-size:min(405px, 108vw, 49vh)}.story-stage-mark{right:10px}}@media (height<=720px){.story-call-header{min-height:58px;padding-bottom:7px;padding-top:max(8px, env(safe-area-inset-top))}.story-call-paper{padding-block:8px}.story-call-visual{width:min(245px,70vw,36vh)}.story-call-copy{margin-top:4px}.story-call-copy h1{margin-block:5px 6px;font-size:clamp(25px,7.8vw,34px)}.story-call-copy p{font-size:11px}.story-call-button{min-height:54px}.story-call-actions{padding-bottom:max(9px, env(safe-area-inset-bottom));padding-top:9px}.story-call-actions>small{margin-top:5px}.story-header{min-height:58px;padding-bottom:7px;padding-top:max(8px, env(safe-area-inset-top))}.story-stage:before{width:min(280px,76vw);height:min(255px,39vh)}.story-dad-anchor{--dad-size:min(310px, 93vw, 42vh);bottom:-38px}.story-dialogue{min-height:255px;max-height:365px;padding-top:26px}.story-spoken-line{min-height:92px;font-size:16px;line-height:1.46}.story-promise{font-size:10px}.story-response button{min-height:43px}.story-rules span{min-height:32px;padding-block:5px}}@media (prefers-reduced-motion:reduce){.story-call-dad,.story-call-rings i,.story-call-status i,.story-call-button span,.story-call-button:after,.story-dad-anchor,.story-dad-motion,.story-dialogue,.story-evidence-sheet,.story-sound-marks,.story-turn-cue,.story-typing-caret,.summary-dad-scene,.summary-dad-motion,.summary-typing-caret,.summary-calendar-scene,.attendance-card.is-ceremony,.attendance-card.is-ceremony .attendance-day[data-new-stamp=true]>strong,.attendance-card.is-ceremony[data-new-stamp=true]:after,.summary-streak-reveal[data-visible=true]{animation:none}.story-mouth-rig,.summary-mouth-rig{display:none}.summary-streak-reveal[data-visible=true]{opacity:1;transform:none}}.home-tutorial-button{background:var(--white);border:1px solid var(--black);cursor:pointer;right:13px;top:max(13px, env(safe-area-inset-top));z-index:4;padding:6px 7px;font-size:8px;font-weight:950;position:absolute}@keyframes tutorial-page-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.home-screen,.summary-screen{background-color:var(--paper);background-image:linear-gradient(#e2e2e2 1px,#0000 1px),linear-gradient(90deg,#e2e2e2 1px,#0000 1px);background-size:18px 18px;height:100%;min-height:0;display:grid}.home-screen{grid-template-rows:auto minmax(0,1fr) auto}.language-picker{align-items:center;gap:6px;min-width:0;display:inline-flex}.language-picker>span{color:#555;letter-spacing:.04em;white-space:nowrap;font-size:8px;font-weight:950}.language-picker select{appearance:none;background:var(--white);background-image:linear-gradient(45deg, transparent 50%, var(--black) 50%), linear-gradient(135deg, var(--black) 50%, transparent 50%);border:2px solid var(--black);color:var(--black);cursor:pointer;background-position:calc(100% - 10px) calc(50% - 2px),calc(100% - 6px) calc(50% - 2px);background-repeat:no-repeat;background-size:4px 4px,4px 4px;border-radius:0;max-width:122px;height:32px;padding:0 22px 0 8px;font-family:inherit;font-size:10px;font-weight:950}.language-picker select:focus-visible{outline-offset:2px;outline:3px solid #c72b3a}.language-picker-home{right:13px;top:max(12px, env(safe-area-inset-top));z-index:6;position:absolute}.language-picker-home>span{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.language-picker-home select{box-shadow:2px 2px 0 var(--black)}.language-picker-story{flex:none}.language-picker-story>span{display:none}.language-picker-story select{max-width:116px}.home-hero{border-bottom:3px solid var(--black);min-height:180px;padding:max(15px, env(safe-area-inset-top)) 16px 14px;background:#f7f7f5f7;position:relative;overflow:hidden}.home-hero .home-tutorial-button{top:max(51px, calc(env(safe-area-inset-top) + 48px))}[lang=en-US] .home-title{letter-spacing:-.075em;max-width:285px;font-size:clamp(31px,10.5vw,45px)}[lang=en-US] .school-level-card strong{white-space:normal;font-size:12px;line-height:1.05}[lang=en-US] .start-dock>div:first-child strong{text-overflow:clip;white-space:normal;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:12px;line-height:1.12;display:-webkit-box;overflow:hidden}[lang=zh-CN] .home-title,[lang=ja-JP] .home-title{letter-spacing:-.06em}[lang=en-US] .story-spoken-line,[lang=en-US] .story-promise,[lang=en-US] .story-response button,[lang=en-US] .story-evidence-sheet>p,[lang=en-US] .story-evidence-sheet aside,[lang=zh-CN] .story-spoken-line,[lang=zh-CN] .story-promise,[lang=zh-CN] .story-response button,[lang=zh-CN] .story-evidence-sheet>p,[lang=zh-CN] .story-evidence-sheet aside,[lang=ja-JP] .story-spoken-line,[lang=ja-JP] .story-promise,[lang=ja-JP] .story-response button,[lang=ja-JP] .story-evidence-sheet>p,[lang=ja-JP] .story-evidence-sheet aside{overflow-wrap:anywhere;word-break:normal}.home-kicker{letter-spacing:.08em;align-items:center;gap:7px;font-size:9px;font-weight:900;display:flex}.home-kicker:before{background:var(--black);content:"";border-radius:50%;width:7px;height:7px}.home-title{font-family:"Arial Black", var(--font-ui);letter-spacing:-.11em;z-index:2;max-width:260px;margin:14px 0 5px;font-size:clamp(36px,12vw,50px);font-weight:950;line-height:.94;position:relative}.home-subtitle{color:#555;z-index:2;max-width:245px;margin:0;font-size:11px;font-weight:800;line-height:1.45;position:relative}.home-dad{filter:contrast(1.06);object-fit:contain;pointer-events:none;width:192px;height:192px;position:absolute;bottom:-38px;right:-26px}.home-stamps{z-index:3;gap:6px;margin-top:13px;display:flex;position:relative}.home-stamps span{background:var(--white);border:1px solid var(--black);padding:5px 7px;font-size:8px;font-weight:900}.home-stamps span:first-child{background:var(--black);color:var(--white)}.home-scroll{min-height:0;padding:15px 14px 24px;overflow-y:auto}.home-section+.home-section{margin-top:20px}.home-section-head{justify-content:space-between;align-items:end;margin-bottom:9px;display:flex}.home-section-head h2{letter-spacing:-.05em;margin:0;font-size:15px;font-weight:950}.home-section-head small{color:#666;font-size:8px;font-weight:750}.ad-free-card{border:2px solid var(--black);background:#fffffff0;grid-template-columns:54px minmax(0,1fr);align-items:center;gap:10px 12px;padding:12px;display:grid;position:relative;transform:rotate(-.15deg)}.ad-free-card[data-owned=true]{border-color:#2f6d43;box-shadow:inset 0 0 0 2px #2f6d431f}.ad-free-mark{aspect-ratio:1;color:#c72b3a;font-family:"Arial Black", var(--font-ui);border:2px solid #c72b3a;border-radius:49% 53% 47% 51%;justify-content:center;align-items:center;font-size:15px;line-height:1;display:flex;position:relative;transform:rotate(-5deg)}.ad-free-card[data-owned=true] .ad-free-mark{color:#2f6d43;border-color:#2f6d43}.ad-free-mark span{font-size:0}.ad-free-mark span:after{content:"";background:currentColor;height:2px;position:absolute;top:25px;left:7px;right:7px;transform:rotate(-39deg)}.ad-free-copy{min-width:0}.ad-free-copy small,.ad-free-copy strong,.ad-free-copy p,.ad-free-notice{display:block}.ad-free-copy small{color:#777;letter-spacing:.08em;font-size:7px;font-weight:950}.ad-free-copy strong{letter-spacing:-.05em;margin-top:2px;font-size:15px;font-weight:950}.ad-free-copy p{color:#555;margin:3px 0 0;font-size:9px;font-weight:750;line-height:1.4}.ad-free-notice{color:#2f6d43;margin-top:5px;font-size:8px;font-weight:900}.ad-free-actions{grid-column:1/-1;grid-template-columns:minmax(0,1fr) 82px;gap:7px;display:grid}.ad-free-actions button{border:2px solid var(--black);cursor:pointer;min-height:38px;font-size:10px;font-weight:950}.ad-free-actions button:disabled{cursor:default;opacity:.48}.ad-free-buy{background:var(--black);color:var(--white)}.ad-free-restore{background:var(--white);color:var(--black)}.attendance-drawer{padding-bottom:4px}.attendance-toggle{background:var(--black);border:2px solid var(--black);color:var(--white);cursor:pointer;text-align:left;grid-template-columns:minmax(0,1fr) 34px;align-items:center;gap:2px 10px;width:100%;min-height:64px;padding:10px 11px;display:grid}.attendance-toggle span,.attendance-toggle strong{grid-column:1;display:block}.attendance-toggle span{opacity:.72;font-size:8px;font-weight:800}.attendance-toggle strong{letter-spacing:-.05em;font-size:15px;font-weight:950}.attendance-toggle>i{border:2px solid;border-radius:50%;grid-area:1/2/span 2;justify-content:center;align-items:center;width:32px;height:32px;font-size:20px;font-style:normal;font-weight:900;line-height:1;display:flex}.attendance-toggle[data-stamped=true]{color:#9c1f2d;background:#fff7f8;border-color:#c72b3a}.attendance-card{border:2px solid var(--black);background:#fffffff5;margin-top:10px;padding:13px 12px 11px;animation:.22s ease-out both attendance-board-open;position:relative;transform:rotate(-.2deg);box-shadow:4px 4px #1111111a}.attendance-card:before{content:"";background:#e2dcc4bf;width:72px;height:11px;position:absolute;top:-7px;left:50%;transform:translate(-50%)rotate(1deg)}.attendance-head{justify-content:space-between;align-items:end;gap:10px;margin-bottom:10px;display:flex}.attendance-head small,.attendance-head h2{margin:0;display:block}.attendance-head small{color:#777;letter-spacing:.08em;font-size:6px;font-weight:950}.attendance-head h2{letter-spacing:-.06em;margin-top:2px;font-size:17px;font-weight:950}.attendance-head>span{border:1px solid var(--black);white-space:nowrap;padding:5px 6px;font-size:8px;font-weight:950}.attendance-head>span[data-state=saving]{background:var(--black);color:var(--white)}.attendance-head>span[data-state=offline]{color:#666;border-style:dashed}.attendance-weekdays,.attendance-calendar{grid-template-columns:repeat(7,minmax(0,1fr));display:grid}.attendance-loading-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;display:grid}.attendance-loading-grid i{aspect-ratio:1;background:#ececea;display:block}.attendance-weekdays{border-bottom:1px solid #c9c9c9;margin-bottom:3px}.attendance-weekdays b{color:#707070;text-align:center;padding-bottom:4px;font-size:7px}.attendance-weekdays b:first-child,.attendance-day:nth-child(7n+1)>i{color:#b22534}.attendance-calendar{gap:2px}.attendance-day{aspect-ratio:1;justify-content:center;align-items:center;min-width:0;display:flex;position:relative}.attendance-day>i{font-size:7px;font-style:normal;font-weight:850;position:absolute;top:3px;left:3px}.attendance-day[data-today=true]{outline-offset:-2px;background:#1111110e;outline:1px dashed #777}.attendance-day[data-future=true]{opacity:.38}.attendance-day[data-stamped=true]>strong{color:#c72b3a;text-align:center;border:2px solid #c72b3a;border-radius:51% 46% 53% 48%;justify-content:center;align-items:center;width:78%;height:78%;font-size:clamp(6px,2vw,8px);font-weight:950;line-height:.95;animation:.38s cubic-bezier(.18,.8,.3,1.3) both attendance-stamp-in;display:flex;position:relative;transform:rotate(-8deg)}.attendance-day[data-stamped=true]>strong:after{content:"";border:1px solid #c72b3a85;border-radius:47% 53% 45% 55%;position:absolute;inset:2px -2px -1px 2px;transform:rotate(10deg)}.attendance-foot{border-top:1px dashed #aaa;justify-content:space-between;align-items:center;gap:8px;margin-top:7px;padding-top:8px;display:flex}.attendance-foot p{color:#555;margin:0;font-size:8px;font-weight:800;line-height:1.35}.attendance-foot>strong{color:#c72b3a;font-family:"Arial Black", var(--font-ui);white-space:nowrap;font-size:13px}@keyframes attendance-stamp-in{0%{opacity:0;transform:scale(1.65)rotate(-18deg)}to{opacity:1;transform:scale(1)rotate(-8deg)}}@keyframes attendance-board-open{0%{opacity:0;transform:translateY(-6px)rotate(-.2deg)}to{opacity:1;transform:translateY(0)rotate(-.2deg)}}.school-level-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;display:grid}.school-level-card{background:var(--white);border:2px solid var(--black);cursor:pointer;text-align:left;min-width:0;min-height:66px;padding:7px 5px}.school-level-card:first-child{transform:rotate(-.3deg)}.school-level-card:last-child{transform:rotate(.3deg)}.school-level-card[aria-pressed=true]{background:var(--black);color:var(--white)}.school-level-card span,.school-level-card strong,.school-level-card small{display:block}.school-level-card span{font-family:"Arial Black", var(--font-ui);letter-spacing:.04em;opacity:.65;white-space:nowrap;font-size:6px}.school-level-card strong{letter-spacing:-.06em;white-space:nowrap;margin-top:5px;font-size:13px;font-weight:950}.school-level-card small{opacity:.7;text-overflow:ellipsis;white-space:nowrap;margin-top:3px;font-size:7px;font-weight:800;overflow:hidden}.mode-grid{grid-template-columns:repeat(3,1fr);gap:7px;display:grid}.mode-card{background:var(--white);border:2px solid var(--black);cursor:pointer;text-align:left;min-height:74px;padding:9px 8px}.mode-card:nth-child(2){transform:rotate(-.5deg)}.mode-card:nth-child(3){transform:rotate(.5deg)}.mode-card[aria-pressed=true]{background:var(--black);color:var(--white)}.mode-card strong,.mode-card small{display:block}.mode-card strong{font-size:12px;font-weight:950}.mode-card small{opacity:.72;margin-top:5px;font-size:8px;line-height:1.35}.stage-group+.stage-group{margin-top:15px}.stage-group-title{align-items:center;gap:7px;margin:0 0 7px;font-size:10px;font-weight:950;display:flex}.stage-group-title i{background:var(--black);width:18px;height:2px;display:block}.stage-grid{grid-template-columns:1fr 1fr;gap:7px;display:grid}.stage-card{background:var(--white);border:2px solid var(--black);cursor:pointer;text-align:left;min-height:92px;padding:10px;position:relative}.stage-card:nth-child(odd){transform:rotate(-.25deg)}.stage-card:nth-child(2n){transform:rotate(.25deg)}.stage-card[data-selected=true]{box-shadow:inset 0 0 0 3px var(--black)}.stage-card[data-mastered=true]{background:#fff7f8;border-color:#c72b3a}.stage-card[data-selected=true][data-mastered=true]{box-shadow:inset 0 0 0 3px #c72b3a7a}.stage-card:disabled{color:#8b8b8b;cursor:not-allowed;border-color:#aaa}.stage-card .stage-no{font-family:"Arial Black", var(--font-ui);letter-spacing:.05em;font-size:9px}.stage-card strong,.stage-card small{display:block}.stage-card strong{letter-spacing:-.05em;margin-top:6px;font-size:14px;font-weight:950}.stage-card small{opacity:.72;margin-top:4px;font-size:8px;line-height:1.35}.stage-card .stage-mark{font-size:14px;font-weight:950;position:absolute;top:7px;right:8px}.stage-card .stage-mark.is-mastered{color:#c72b3a;letter-spacing:-.04em;border:2px solid #c72b3a;border-radius:48% 53% 46% 52%;justify-content:center;align-items:center;width:34px;height:34px;font-size:8px;line-height:1;display:flex;top:5px;right:6px;transform:rotate(-9deg)}.stage-card .stage-mark.is-mastered:after{content:"";border:1px solid #c72b3a85;border-radius:53% 47% 52% 48%;position:absolute;inset:2px -2px -1px 2px;transform:rotate(12deg)}.planned-level-card{background:#ffffffe6;border:2px dashed #777;min-height:180px;padding:16px 14px;position:relative}.planned-level-status{border:1px solid var(--black);padding:4px 6px;font-size:8px;font-weight:950;display:inline-block}.planned-level-card>strong{letter-spacing:-.07em;margin-top:13px;font-size:22px;font-weight:950;display:block}.planned-level-card>p{color:#555;margin:7px 0 12px;font-size:10px;font-weight:750;line-height:1.45}.planned-topic-list{flex-wrap:wrap;gap:6px;display:flex}.planned-topic-list span{background:var(--white);border:1px solid var(--black);padding:5px 7px;font-size:8px;font-weight:900}.planned-level-card>small{color:#777;margin-top:14px;font-size:8px;font-weight:750;display:block}.start-dock{border-top:3px solid var(--black);padding:11px 14px max(11px, env(safe-area-inset-bottom));background:#fffffffa;grid-template-columns:1fr auto;align-items:center;gap:9px;display:grid}.start-dock strong,.start-dock small{display:block}.start-dock strong{font-size:14px;font-weight:950}.start-dock small{color:#666;margin-top:2px;font-size:8px}.start-dock-actions{gap:6px;display:flex}.start-dock button{background:var(--white);border:2px solid var(--black);cursor:pointer;min-height:42px;padding:0 12px;font-size:10px;font-weight:950}.start-dock button.primary{background:var(--black);color:var(--white);min-width:88px}.start-dock button:disabled{color:#777;cursor:default;background:#e8e8e8;border-color:#aaa}.problem-queue{bottom:10px;left:16px;right:16px;top:calc(max(10px, env(safe-area-inset-top)) + 78px);z-index:2;grid-template-rows:minmax(0,1fr);display:grid;position:absolute}.problem-queue>p{color:#565656;margin:0 0 4px 3px;font-size:9px;font-weight:800;display:none}.problem-stack{grid-template-rows:repeat(3,minmax(0,1fr));gap:0;height:100%;min-height:0;padding:4px 0;display:grid;overflow:hidden;container-type:size}.problem-row{box-shadow:none;will-change:transform;background:0 0;border:0;justify-content:center;align-items:center;min-height:0;padding:0 6px;transition:opacity .36s;display:flex;transform:none}.problem-row.is-previous{opacity:1}.problem-row.is-current{opacity:1;min-height:0;padding:0 6px;overflow:visible;transform:none}.problem-row.is-next{opacity:.78}.problem-row.is-spacer{pointer-events:none;visibility:hidden}.problem-expression{--equation-font-size:min(clamp(48px, 14vw, 66px), 26cqh);font-family:"Arial Black", var(--font-ui);font-size:var(--equation-font-size);letter-spacing:-.06em;white-space:nowrap;flex-wrap:nowrap;justify-content:center;align-items:baseline;gap:.08em;width:100%;min-width:0;font-weight:950;line-height:.88;transition:font-size .36s cubic-bezier(.22,.8,.2,1);display:flex;overflow:visible}.problem-expression b{font:inherit}.problem-row.is-previous .equation-text,.problem-row.is-previous .solved-answer{opacity:.48;transition:opacity .36s}.equation-text{flex:none;justify-content:center;align-items:baseline;gap:.1em;min-width:0;display:inline-flex}.live-recognized-answer{box-shadow:none;font-family:"Arial Black", var(--font-ui);font-variant-numeric:tabular-nums;letter-spacing:-.04em;border:0;justify-content:center;align-items:center;min-width:1.22em;min-height:.98em;padding:0 .08em;font-size:.82em;line-height:.92;display:inline-flex;position:relative}.problem-row.is-current .live-recognized-answer{flex:none;min-height:.88em;padding:0 .02em;font-size:.92em;line-height:.9}.problem-row.is-current .live-recognized-answer[data-empty=true]{color:var(--black)}.problem-row.is-current .live-recognized-answer[data-empty=true]:after{content:"";background:currentColor;width:.07em;height:.72em;animation:.76s step-end infinite answer-caret-blink;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.live-recognized-answer[aria-busy=true],.live-recognized-answer.is-reading,.live-recognized-answer.reading,.live-recognized-answer[data-state=reading]{animation:.76s step-end infinite answer-caret-blink}.live-recognized-answer.is-uncertain,.live-recognized-answer.uncertain,.live-recognized-answer[data-state=uncertain]{color:#737373}.live-recognized-answer[data-state=mismatch]{animation:.62s ease-in-out infinite alternate answer-mismatch-blink}.live-recognition[data-state=mismatch]{background:var(--white);color:var(--black);animation:.62s ease-in-out infinite alternate answer-mismatch-blink}.live-recognized-answer.is-error,.live-recognized-answer.error,.live-recognized-answer[data-state=error]{background:var(--black);border-bottom-color:var(--black);color:var(--white);padding-inline:.13em;transform:rotate(-1.5deg)}.solved-answer{text-align:center;white-space:nowrap;z-index:1;min-width:1.15em;display:inline-block;position:relative}.answer-mark{isolation:isolate;flex:none;place-items:center;min-width:1.15em;display:inline-grid;position:relative}.answer-mark>.solved-answer{grid-area:1/1}.answer-mark.is-just-correct:before,.answer-mark.is-just-correct:after{--pencil-sweep:0deg;content:"";filter:saturate(1.08)contrast(1.05);-webkit-mask:conic-gradient(from -96deg, #000 0deg var(--pencil-sweep), transparent var(--pencil-sweep) 360deg);-webkit-mask:conic-gradient(from -96deg, #000 0deg var(--pencil-sweep), transparent var(--pencil-sweep) 360deg);-webkit-mask:conic-gradient(from -96deg, #000 0deg var(--pencil-sweep), transparent var(--pencil-sweep) 360deg);-webkit-mask:conic-gradient(from -96deg, #000 0deg var(--pencil-sweep), transparent var(--pencil-sweep) 360deg);mask:conic-gradient(from -96deg, #000 0deg var(--pencil-sweep), transparent var(--pencil-sweep) 360deg);mix-blend-mode:multiply;pointer-events:none;z-index:0;border-style:solid;position:absolute}.answer-mark.is-just-correct:before{border-width:.075em;border-color:#c72b3aeb;border-radius:53% 47% 50% 49%/47% 52% 48% 53%;animation:.43s cubic-bezier(.24,.78,.2,1) forwards red-pencil-circle-draw;inset:-.2em -.29em;transform:rotate(-4deg);box-shadow:.018em .012em #e7454d80}.answer-mark.is-just-correct:after{border-width:.035em;border-color:#e6484d94;border-radius:48% 52% 46% 54%/53% 46% 54% 47%;animation:.39s cubic-bezier(.28,.74,.22,1) 45ms forwards red-pencil-circle-draw;inset:-.15em -.24em;transform:rotate(2.2deg)}.quiz-clock{font-variant-numeric:tabular-nums;white-space:nowrap}.streak-chip{background:var(--black);color:var(--white);margin-left:4px;padding:2px 4px;font-size:8px;font-weight:900}.summary-screen{grid-template-rows:auto minmax(0,1fr) auto}.summary-head{border-bottom:3px solid var(--black);padding:max(16px, env(safe-area-inset-top)) 18px 14px;text-align:center;background:#f7f7f5f7}.summary-head small,.summary-head strong{display:block}.summary-head small{letter-spacing:.08em;font-size:9px;font-weight:900}.summary-head strong{letter-spacing:-.07em;margin-top:5px;font-size:25px;font-weight:950}.summary-body{min-height:0;padding:18px 16px 28px;overflow-y:auto}.summary-dad-scene{background:var(--white);border:3px solid var(--black);grid-template-rows:220px auto;animation:.3s cubic-bezier(.18,.8,.3,1) both summary-scene-in;display:grid;position:relative;overflow:hidden;transform:rotate(.2deg)}.summary-dad-stage{background-color:#efefec;background-image:linear-gradient(#1111 1px,#0000 1px),linear-gradient(90deg,#1111 1px,#0000 1px);background-size:18px 18px;position:relative;overflow:hidden}.summary-dad-stage:before{border:3px solid var(--black);content:"";border-radius:50%;width:190px;height:190px;position:absolute;top:14px;left:50%;transform:translate(-50%)rotate(-2deg)}.summary-dad-motion{transform-origin:50% 100%;will-change:transform;z-index:2;width:260px;height:260px;position:absolute;bottom:-35px;left:50%;transform:translate(-50%)}.summary-dad-scene[data-speaking=true] .summary-dad-motion{animation:.2s ease-in-out infinite alternate summary-dad-talk}.summary-dad-character{filter:contrast(1.04)drop-shadow(7px 7px #1111111f);object-fit:contain;object-position:center bottom;width:100%;height:100%;display:block}.summary-mouth-rig{opacity:0;pointer-events:none;z-index:4;width:15%;height:13%;transition:opacity 40ms linear;position:absolute;top:51.12%;left:52.23%;overflow:hidden;transform:translate(-50%,-50%);-webkit-mask-image:radial-gradient(#000 58%,#000000f2 78%,#0000 100%);mask-image:radial-gradient(#000 58%,#000000f2 78%,#0000 100%)}.summary-dad-scene[data-mood=coaching] .summary-mouth-rig{top:53.31%;left:51.83%}.summary-dad-scene[data-speaking=true] .summary-mouth-rig{opacity:1}.summary-mouth-frame{position:absolute;inset:0}.summary-mouth-frame img{pointer-events:none;-webkit-user-select:none;user-select:none;width:666.667%;max-width:none;height:auto;position:absolute}.summary-mouth-closed img{top:-353.94%;left:-296.36%}.summary-mouth-open img{top:-384.3%;left:-291.57%}.summary-dad-scene[data-speaking=true] .summary-mouth-open{animation:.12s step-end infinite story-mouth-swap}.story-mouth-rig[data-expression=smile],.summary-mouth-rig[data-expression=smile]{width:100%;height:100%;inset:0;transform:none;-webkit-mask-image:none;mask-image:none}.story-mouth-rig[data-expression=smile] .story-mouth-frame,.summary-mouth-rig[data-expression=smile] .summary-mouth-frame{-webkit-mask-image:radial-gradient(11% 5% at 51.83% 52%,#000 0 90%,#000000f5 96%,#0000 100%);mask-image:radial-gradient(11% 5% at 51.83% 52%,#000 0 90%,#000000f5 96%,#0000 100%);-webkit-mask-position:50%;mask-position:50%;-webkit-mask-size:100% 100%;mask-size:100% 100%;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}.story-mouth-rig[data-expression=smile] .story-mouth-frame img,.summary-mouth-rig[data-expression=smile] .summary-mouth-frame img{filter:contrast(1.04);object-fit:contain;object-position:center bottom;width:100%;height:100%;inset:0}.summary-dad-dialogue{border-top:3px solid var(--black);min-height:212px;padding:25px 17px 16px;position:relative}.summary-dad-name{background:var(--black);color:var(--white);padding:5px 12px;font-size:10px;font-weight:950;position:absolute;top:-1px;left:15px}.summary-dad-dialogue small,.summary-dad-dialogue h2,.summary-dad-dialogue p{margin:0;display:block}.summary-dad-dialogue small{color:#c72b3a;letter-spacing:.04em;margin-top:5px;font-size:8px;font-weight:950}.summary-dad-dialogue h2{letter-spacing:-.07em;margin-top:5px;font-size:clamp(21px,6.8vw,29px);font-weight:950;line-height:1.08}.summary-dad-dialogue p{min-height:62px;margin-top:10px;font-size:13px;font-weight:850;line-height:1.55}.summary-full-comment{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.summary-typing-caret{vertical-align:-.12em;background:#c72b3a;width:3px;height:1em;margin-left:3px;animation:.52s step-end infinite story-caret-blink;display:inline-block}.summary-comparison-note{color:#a21f2e;border-bottom:2px solid #c72b3a;margin-top:10px;padding-bottom:3px;font-size:10px;font-weight:950;display:inline-block}.summary-calendar-scene{animation:.34s cubic-bezier(.18,.8,.3,1) both summary-calendar-in}.summary-calendar-intro{background:var(--black);color:var(--white);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2px 10px;min-height:64px;padding:11px 14px;display:grid}.summary-calendar-intro small,.summary-calendar-intro strong{grid-column:1;display:block}.summary-calendar-intro small{letter-spacing:.08em;opacity:.68;font-size:7px;font-weight:900}.summary-calendar-intro strong{letter-spacing:-.04em;font-size:15px;font-weight:950}.summary-calendar-intro>span{color:#ff5364;font-family:"Arial Black", var(--font-ui);grid-area:1/2/span 2;font-size:25px;transform:rotate(-8deg)}.attendance-card.is-ceremony{margin-top:9px;padding:16px 14px 13px}.attendance-card.is-ceremony .attendance-day[data-stamped=true]>strong{animation:none}.attendance-card.is-ceremony .attendance-day[data-stamp-target=true]{outline-offset:-3px;background:#c72b3a14;outline:2px dashed #c72b3a}.attendance-card.is-ceremony .attendance-day[data-new-stamp=true]>strong{animation:.62s cubic-bezier(.12,.78,.25,1.25) both summary-stamp-slam}.attendance-card.is-ceremony[data-new-stamp=true]{animation:.52s ease-out 80ms both summary-paper-impact}.attendance-card.is-ceremony[data-new-stamp=true]:after{color:#c72b3a;content:"쾅!";font-family:"Arial Black", var(--font-ui);pointer-events:none;z-index:8;font-size:34px;animation:.65s ease-out both summary-impact-word;position:absolute;top:39%;right:13px;transform:rotate(-12deg)}.summary-streak-reveal{color:#9f1d2b;opacity:0;text-align:center;background:#fff7f8;border:3px solid #c72b3a;margin-top:12px;padding:13px 14px;transform:translateY(9px)scale(.96)}.summary-streak-reveal[data-visible=true]{animation:.42s cubic-bezier(.18,.8,.3,1.3) both summary-streak-pop}.summary-streak-reveal small,.summary-streak-reveal strong,.summary-streak-reveal span{display:block}.summary-streak-reveal small{letter-spacing:.08em;font-size:8px;font-weight:900}.summary-streak-reveal strong{font-family:"Arial Black", var(--font-ui);letter-spacing:-.07em;margin-top:5px;font-size:clamp(27px,9vw,39px);line-height:1}.summary-streak-reveal span{color:#6d3037;margin-top:7px;font-size:10px;font-weight:850}.summary-review-complete{background:var(--black);color:var(--white);text-align:center;margin-top:12px;padding:11px 12px;font-size:10px;font-weight:900}.summary-speed-card{background:var(--white);border:3px solid var(--black);grid-template-rows:auto auto;grid-template-columns:minmax(0,1fr) 88px;min-height:242px;padding:18px;display:grid;position:relative;overflow:hidden;transform:rotate(-.3deg)}.summary-speed-copy{z-index:2;align-self:center;gap:11px;min-width:0;display:grid;position:relative}.summary-speed-total small,.summary-speed-total strong,.summary-speed-average small,.summary-speed-average strong{display:block}.summary-speed-total small,.summary-speed-average small{color:#666;letter-spacing:.02em;font-size:8px;font-weight:950}.summary-speed-total strong{font-family:"Arial Black", var(--font-ui);letter-spacing:-.06em;margin-top:3px;font-size:25px;line-height:1}.summary-speed-average strong{font-family:"Arial Black", var(--font-ui);letter-spacing:-.09em;margin-top:3px;font-size:clamp(43px,13.5vw,58px);line-height:.94}.summary-grade-badge{aspect-ratio:1;color:#c72b3a;text-align:center;z-index:2;border:3px solid #c72b3a;border-radius:51% 48% 53% 47%;flex-direction:column;justify-content:center;align-self:start;align-items:center;display:flex;position:relative;transform:rotate(5deg)}.summary-grade-badge:after{content:"";pointer-events:none;border:1px solid #c72b3a7a;border-radius:48% 52% 46% 54%;position:absolute;inset:4px 2px 2px 4px;transform:rotate(-7deg)}.summary-grade-badge small,.summary-grade-badge strong,.summary-grade-badge span{line-height:1;display:block}.summary-grade-badge small{letter-spacing:.08em;font-size:7px;font-weight:950}.summary-grade-badge strong{font-family:"Arial Black", var(--font-ui);letter-spacing:-.07em;margin-top:2px;font-size:42px}.summary-grade-badge span{font-size:10px;font-weight:950}.summary-campus-stamp{background:var(--black);color:var(--white);z-index:1;grid-column:1/-1;align-self:end;min-height:70px;margin-top:13px;padding:10px 82px 10px 12px;position:relative}.summary-campus-stamp small,.summary-campus-stamp strong,.summary-campus-stamp span{display:block}.summary-campus-stamp small{letter-spacing:.08em;opacity:.7;font-size:7px;font-weight:900}.summary-campus-stamp strong{letter-spacing:-.04em;margin-top:3px;font-size:15px;font-weight:950}.summary-campus-stamp span{opacity:.82;margin-top:3px;font-size:9px;line-height:1.25}.summary-speed-card>img{object-fit:contain;z-index:2;width:116px;height:116px;position:absolute;bottom:-22px;right:-7px}.monetization-banner-shell{opacity:1;width:calc(100% + 32px);height:96px;margin:13px -16px 2px;transition:height .18s,margin .18s,opacity .18s;overflow:hidden}.monetization-banner-shell.is-unavailable{opacity:0;pointer-events:none;height:0;margin-top:0;margin-bottom:0}.monetization-banner-target{width:100%;height:96px}html[data-monetization-platform=google-play] .monetization-banner-shell{opacity:0;pointer-events:none;width:0;height:0;margin:0}html[data-play-banner=visible] .start-dock,html[data-play-banner=visible] .summary-actions{padding-bottom:calc(var(--play-banner-height,50px) + max(16px, env(safe-area-inset-bottom)))}.summary-attendance-reward{border:2px solid var(--black);background:#ffffffeb;grid-template-columns:50px minmax(0,1fr) auto;align-items:center;gap:9px;min-height:68px;margin-top:13px;padding:8px 10px;display:grid;transform:rotate(.2deg)}.summary-attendance-reward>span{aspect-ratio:1;color:#c72b3a;text-align:center;border:3px solid #c72b3a;border-radius:49% 53% 47% 51%;justify-content:center;align-items:center;font-size:9px;font-weight:950;line-height:.95;display:flex;transform:rotate(-8deg)}.summary-attendance-reward small,.summary-attendance-reward strong{display:block}.summary-attendance-reward small{color:#777;font-size:7px;font-weight:900}.summary-attendance-reward strong{letter-spacing:-.04em;margin-top:3px;font-size:11px;font-weight:950}.summary-attendance-reward>b{white-space:nowrap;font-size:9px;font-weight:950}.summary-accuracy-secondary{color:#777;justify-content:center;align-items:center;gap:12px;margin-top:10px;font-size:8px;font-weight:850;display:flex}.summary-accuracy-secondary strong{color:var(--black);font-size:10px}.summary-grade-disclaimer{color:#777;text-align:center;margin:7px 4px 0;font-size:8px;line-height:1.45}.unlock-note{background:var(--black);color:var(--white);text-align:center;margin-top:12px;padding:12px 14px;font-size:11px;font-weight:900;line-height:1.45}.summary-actions{background:var(--white);border-top:3px solid var(--black);padding:11px 14px max(11px, env(safe-area-inset-bottom));grid-template-columns:1fr 1fr;gap:8px;display:grid}.summary-actions[data-has-wrong=true]{grid-template-columns:.9fr .8fr 1.2fr}.summary-actions button{background:var(--white);border:2px solid var(--black);cursor:pointer;min-height:44px;font-size:11px;font-weight:950}.summary-actions button:last-child{background:var(--black);color:var(--white)}@keyframes summary-scene-in{0%{opacity:0;transform:translateY(12px)rotate(.2deg)}to{opacity:1;transform:translateY(0)rotate(.2deg)}}@keyframes summary-dad-talk{0%{transform:translate(-50%,1px)rotate(-.45deg)scaleY(.995)}to{transform:translate(-50%,-4px)rotate(.45deg)scaleY(1.01)}}@keyframes summary-calendar-in{0%{opacity:0;transform:translateY(18px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes summary-stamp-slam{0%{opacity:0;transform:translateY(-120px)scale(2.1)rotate(-18deg)}58%{opacity:1;transform:translateY(3px)scale(.88)rotate(-6deg)}76%{transform:translateY(-2px)scale(1.08)rotate(-10deg)}to{opacity:1;transform:translateY(0)scale(1)rotate(-8deg)}}@keyframes summary-paper-impact{0%,to{transform:translate(0)rotate(-.2deg)}28%{transform:translate(-4px)rotate(-.8deg)}52%{transform:translate(4px)rotate(.55deg)}74%{transform:translate(-2px)rotate(-.4deg)}}@keyframes summary-impact-word{0%{opacity:0;transform:scale(1.8)rotate(-18deg)}35%{opacity:1;transform:scale(1)rotate(-12deg)}to{opacity:0;transform:scale(.82)rotate(-8deg)}}@keyframes summary-streak-pop{0%{opacity:0;transform:translateY(9px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}@media (width<=360px){.tutorial-page{padding-inline:15px}.tutorial-page h1{font-size:27px}.tutorial-intro{grid-template-columns:minmax(0,1fr) 104px}.tutorial-intro>img{width:118px;height:118px}.tutorial-lead{font-size:11px}.tutorial-actions{grid-template-columns:68px minmax(0,1fr);padding-inline:10px}.tutorial-actions button{font-size:10px}.attendance-card{padding-inline:9px}.attendance-head h2{font-size:15px}.attendance-head>span{font-size:7px}.school-level-card{min-height:58px;padding-inline:3px}.school-level-card strong{font-size:11px}.start-dock{gap:6px}.summary-body{padding-inline:12px}.summary-dad-scene{grid-template-rows:195px auto}.summary-dad-motion{width:232px;height:232px;bottom:-33px}.summary-dad-dialogue{min-height:204px;padding-inline:14px}.summary-dad-dialogue h2{font-size:22px}.attendance-card.is-ceremony{padding-inline:9px}.monetization-banner-shell{width:calc(100% + 24px);margin-left:-12px;margin-right:-12px}.summary-speed-card{grid-template-columns:minmax(0,1fr) 74px;min-height:218px;padding:15px}.summary-speed-average strong{font-size:43px}.summary-grade-badge strong{font-size:36px}.summary-campus-stamp{padding-right:66px}.summary-speed-card>img{width:98px;height:98px}}@media (height<=720px){.tutorial-topbar{padding-bottom:8px;padding-top:max(9px, env(safe-area-inset-top))}.tutorial-page{padding-top:15px;padding-bottom:18px}.tutorial-page h1{margin-top:10px;margin-bottom:9px;font-size:27px}.tutorial-lead{font-size:10px;line-height:1.52}.tutorial-intro>img{width:112px;height:112px}.tutorial-honesty-note,.tutorial-limit-note,.tutorial-source-link{margin-top:9px}.tutorial-equation-demo{min-height:78px;margin-block:11px}.tutorial-study-facts{margin-block:11px}.tutorial-study-facts span{min-height:56px;padding-block:6px}.tutorial-howto{gap:5px}.tutorial-answer-demo{margin-block:14px 10px}.tutorial-actions{padding-bottom:max(8px, env(safe-area-inset-bottom));padding-top:8px}.tutorial-actions button{min-height:40px}.split-screen{grid-template-rows:minmax(0,42%) minmax(0,58%)}.home-hero{min-height:145px;padding-top:max(10px, env(safe-area-inset-top))}.home-title{margin-top:8px;font-size:35px}.home-subtitle{font-size:9px}.home-stamps{margin-top:7px}.home-dad{width:155px;height:155px}.home-section+.home-section{margin-top:14px}.attendance-card{padding-top:10px;padding-bottom:8px}.attendance-head{margin-bottom:6px}.attendance-day>i{font-size:6px}.school-level-card{min-height:52px;padding-block:5px}.school-level-card small{display:none}.planned-level-card{min-height:155px}.summary-head{padding-bottom:9px;padding-top:max(11px, env(safe-area-inset-top))}.summary-head strong{font-size:21px}.summary-body{padding-top:10px;padding-bottom:14px}.summary-dad-scene{grid-template-rows:178px auto}.summary-dad-motion{width:220px;height:220px;bottom:-36px}.summary-dad-dialogue{min-height:185px;padding-bottom:12px}.summary-dad-dialogue p{min-height:54px;margin-top:7px;font-size:12px}.summary-calendar-intro{min-height:54px;padding-block:8px}.attendance-card.is-ceremony{padding-top:10px;padding-bottom:9px}.summary-speed-card{min-height:194px;padding:13px}.summary-speed-copy{gap:7px}.summary-speed-total strong{font-size:21px}.summary-speed-average strong{font-size:44px}.summary-grade-badge{width:72px}.summary-campus-stamp{min-height:56px;margin-top:7px;padding-block:7px}.summary-speed-card>img{width:94px;height:94px}.problem-queue{bottom:8px;top:calc(max(6px, env(safe-area-inset-top)) + 69px)}.problem-queue>p{display:none}.problem-stack{grid-template-rows:repeat(3,minmax(0,1fr))}.problem-row{padding-block:2px}.problem-row.is-current{padding:0 6px}.problem-expression{--equation-font-size:min(clamp(40px, 12vw, 54px), 26cqh)}.problem-expression[data-size=short]{--equation-font-size:min(clamp(48px, 15.5vw, 62px), 26cqh)}.problem-expression[data-size=medium]{--equation-font-size:min(clamp(32px, 10.8vw, 46px), 26cqh)}.problem-expression[data-size=long]{--equation-font-size:min(clamp(25px, 8.2vw, 36px), 26cqh)}.problem-row.is-current .live-recognized-answer{font-size:.9em}}html,body{width:100%;min-width:0;overflow-x:hidden}.app-stage{width:100%;min-height:100dvh}.phone-app{max-width:min(430px,100vw);height:min(880px,100dvh - 24px)}.home-scroll,.summary-body,.archive-list{overflow-x:clip}.mono-toast{bottom:max(18px, env(safe-area-inset-bottom));text-overflow:ellipsis;white-space:nowrap;max-width:calc(100% - 24px);position:absolute;overflow:hidden}.story-stage{container-type:size}.story-stage:before{width:min(330px,88cqw);height:min(330px,88cqh)}.story-dad-anchor{--dad-size:min(365px, 96cqw, 106cqh)}.story-scene-2 .story-dad-anchor{--dad-size:min(405px, 108cqw, 108cqh)}.story-stage-mark{font-size:clamp(28px,12cqw,48px)}.story-dialogue{grid-template-rows:minmax(0,1fr) auto;height:clamp(250px,42dvh,348px);min-height:0;max-height:none;display:grid;overflow:hidden}.story-dialogue-copy{overscroll-behavior:contain;scrollbar-gutter:stable;min-height:0;padding-right:3px;overflow:hidden auto}.story-response{background:var(--white);z-index:3;margin-top:8px;position:relative}.story-promise{font-size:12px}.story-evidence-button{align-items:center;min-height:40px;display:inline-flex}.story-evidence-backdrop{padding:max(14px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left))}.story-evidence-sheet{max-height:calc(100% - 2px)}.stage-path-section .stage-grid{grid-template-columns:minmax(0,1fr)}.stage-path-section .stage-card{width:100%;min-height:112px;padding:13px 14px 33px;animation:.42s cubic-bezier(.2,.78,.2,1) both stage-build-in;transform:rotate(-.2deg)}.stage-path-section .stage-card[data-current-challenge=true]{transform-origin:50% 8%;border-color:#c72b3a;animation:.42s cubic-bezier(.2,.78,.2,1) both stage-build-in,1.65s ease-in-out .52s infinite stage-dangle;box-shadow:5px 6px #111111e6}.stage-current-cue{color:#c72b3a;letter-spacing:-.03em;font-size:10px;font-style:normal;font-weight:950;position:absolute;bottom:8px;right:11px}@keyframes stage-build-in{0%{opacity:0;transform:translateY(18px)scale(.96)rotate(-1.2deg)}to{opacity:1;transform:translateY(0)scale(1)rotate(-.2deg)}}@keyframes stage-dangle{0%,to{transform:rotate(-.65deg)translateY(0)}22%{transform:rotate(.75deg)translateY(-2px)}44%{transform:rotate(-.5deg)translateY(0)}64%{transform:rotate(.35deg)translateY(-1px)}82%{transform:rotate(-.18deg)translateY(0)}}.start-dock{grid-template-columns:minmax(0,1fr) auto}.start-dock>div:first-child{min-width:0}.start-dock>div:first-child strong,.start-dock>div:first-child small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.unlock-stage-reveal{background:var(--white);box-shadow:6px 6px 0 var(--black);border:3px solid #c72b3a;grid-template-columns:minmax(0,1fr) auto;margin:15px 4px 9px;padding:14px;animation:.52s cubic-bezier(.18,.8,.2,1) both unlock-stage-build;display:grid;position:relative}.unlock-stage-reveal>small,.unlock-stage-reveal>strong,.unlock-stage-reveal>p,.unlock-stage-reveal>button{grid-column:1}.unlock-stage-reveal>small{color:#c72b3a;letter-spacing:.05em;font-size:9px;font-weight:950}.unlock-stage-reveal>span{color:#c72b3a;font-family:"Arial Black", var(--font-ui);border:3px solid #c72b3a;border-radius:50%;grid-area:1/2/span 3;justify-content:center;align-items:center;width:68px;height:68px;margin-left:10px;font-size:18px;display:flex;transform:rotate(6deg)}.unlock-stage-reveal>strong{letter-spacing:-.05em;margin-top:5px;font-size:18px;font-weight:950}.unlock-stage-reveal>p{color:#555;margin:5px 0 11px;font-size:10px;font-weight:750;line-height:1.45}.unlock-stage-reveal>button{background:var(--black);border:2px solid var(--black);color:var(--white);cursor:pointer;min-height:46px;font-size:11px;font-weight:950}@keyframes unlock-stage-build{0%{opacity:0;transform:translateY(20px)scale(.94)rotate(-1deg)}to{opacity:1;transform:translateY(0)scale(1)rotate(0)}}.problem-expression{--equation-font-size:min(clamp(48px, 14vw, 66px), 26cqh)}.problem-expression[data-size=short]{--equation-font-size:min(clamp(52px, 17vw, 78px), 26cqh)}.problem-expression[data-size=medium]{--equation-font-size:min(clamp(34px, 11.2vw, 52px), 26cqh)}.problem-expression[data-size=long]{--equation-font-size:min(clamp(26px, 8.5vw, 40px), 26cqh)}.problem-expression[data-size=xlong]{--equation-font-size:min(clamp(14px, 4.6vw, 22px), 24cqh);letter-spacing:-.075em}.problem-expression[data-size=xxlong]{--equation-font-size:min(clamp(11px, 3.5vw, 18px), 22cqh);letter-spacing:-.085em}.writing-actions[data-has-sign=true]{grid-template-columns:repeat(3,minmax(0,1fr))}.writing-actions .answer-sign-toggle{font-family:"Arial Black", var(--font-ui);letter-spacing:-.05em}.writing-actions .answer-sign-toggle[data-negative=true]{background:var(--black);color:var(--white)}.writing-actions[data-has-scratchpad=true] .scratchpad-open-button{letter-spacing:-.02em;background:#fff4bf;grid-column:1/-1}.scratchpad-panel{z-index:20;background-color:#fffdf4;background-image:linear-gradient(#ccc3a457 1px,#0000 1px),linear-gradient(90deg,#ccc3a457 1px,#0000 1px);background-size:20px 20px;grid-template-rows:auto minmax(0,1fr) auto;min-height:0;display:grid;position:absolute;inset:0}.scratchpad-head{border-bottom:2px solid var(--black);padding:max(16px, env(safe-area-inset-top)) 14px 10px;background:#fffdf4f5;grid-template-columns:minmax(0,auto) minmax(0,1fr);align-items:end;gap:8px;display:grid}.scratchpad-head small,.scratchpad-head strong{display:block}.scratchpad-head small{letter-spacing:.08em;font-size:8px;font-weight:900}.scratchpad-head strong{font-family:"Arial Black", var(--font-ui);font-size:18px;line-height:1.05}.scratchpad-head p{color:#595344;text-align:right;margin:0;font-size:9px;font-weight:750;line-height:1.4}.scratchpad-canvas-frame{border:2px solid var(--black);background:#ffffff52;min-height:0;margin:10px 12px 8px;position:relative;overflow:hidden}.scratchpad-canvas-frame canvas{touch-action:none;z-index:2;width:100%;height:100%;position:absolute;inset:0}.scratchpad-placeholder{color:#8b8269;pointer-events:none;text-align:center;z-index:1;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.scratchpad-placeholder strong{color:#5b5442;font-size:13px}.scratchpad-placeholder span{margin-top:5px;font-size:9px;font-weight:800}.scratchpad-actions{padding:0 12px max(12px, env(safe-area-inset-bottom));background:#fffdf4f7;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:8px;display:grid}.scratchpad-actions button{background:var(--white);border:2px solid var(--black);cursor:pointer;min-height:44px;padding:4px 8px;font-size:10px;font-weight:900}.scratchpad-actions button.primary{background:var(--black);color:var(--white)}.scratchpad-actions button:disabled{color:#aaa391;cursor:default;border-color:#c6c1b2}@media (width<=390px){.writing-actions[data-has-scratchpad=true]{padding-inline:10px;gap:5px;padding-top:7px}.writing-actions[data-has-scratchpad=true] button{min-height:36px}.scratchpad-head{gap:6px;padding-inline:10px}.scratchpad-head strong{font-size:16px}.scratchpad-head p{font-size:8px}.scratchpad-canvas-frame{margin-inline:9px}.scratchpad-actions{gap:6px;padding-inline:9px}.scratchpad-actions button{min-height:40px}}@media (width<=480px){.app-stage{min-height:100dvh}.phone-app{height:100dvh}}@media (width<=360px){.home-hero{padding-inline:13px}.home-subtitle{max-width:calc(100% - 126px)}.home-dad{width:160px;height:160px;right:-34px}.home-scroll{padding-inline:11px}.school-level-grid,.mode-grid{gap:5px}.school-level-card{text-align:center;min-height:54px;padding-inline:3px}.school-level-card span,.school-level-card small,.mode-card small{display:none}.school-level-card strong{white-space:normal;margin-top:0;font-size:11px}.mode-card{text-align:center;min-height:50px;padding:6px 3px}.mode-card strong{font-size:10px}.story-header{min-height:56px;padding-inline:10px}.story-dialogue{box-shadow:4px 4px 0 var(--black);height:clamp(244px,43dvh,320px);margin-left:10px;margin-right:10px;padding:27px 12px 10px}.story-spoken-line{min-height:0;font-size:16px;line-height:1.46}.story-promise{font-size:10px}.story-response button{min-height:46px;font-size:12px}.story-evidence-facts{grid-template-columns:1fr}.story-evidence-facts span{min-height:44px;font-size:11px}.start-dock{gap:6px;padding-inline:10px}.start-dock>div:first-child small{display:none}.start-dock button{padding-inline:8px}.start-dock button.primary{min-width:72px}.summary-actions[data-has-wrong=true]{grid-template-columns:1fr 1fr}.summary-actions[data-has-wrong=true] button:last-child{grid-column:1/-1}}@media (height<=720px){.problem-stack{grid-template-rows:repeat(3,minmax(0,1fr))}.problem-expression{--equation-font-size:min(clamp(40px, 12vw, 54px), 26cqh)}.problem-expression[data-size=short]{--equation-font-size:min(clamp(48px, 15.5vw, 62px), 26cqh)}.problem-expression[data-size=medium]{--equation-font-size:min(clamp(32px, 10.8vw, 46px), 26cqh)}.problem-expression[data-size=long]{--equation-font-size:min(clamp(25px, 8.2vw, 36px), 26cqh)}.problem-expression[data-size=xlong]{--equation-font-size:min(clamp(13px, 4.4vw, 21px), 23cqh)}.problem-expression[data-size=xxlong]{--equation-font-size:min(clamp(10px, 3.35vw, 17px), 21cqh)}}@media (orientation:landscape) and (height<=520px){.app-stage{padding:0}.phone-app{box-shadow:none;border:0;width:100%;max-width:none;height:100dvh}.story-call-gate{grid-template-rows:auto minmax(0,1fr);grid-template-columns:minmax(200px,43%) minmax(0,1fr)}.story-call-header{min-height:52px;padding-bottom:6px;padding-top:max(6px, env(safe-area-inset-top));grid-column:1/-1}.story-call-paper{grid-area:2/1;padding:5px 8px 7px}.story-call-visual{width:min(205px,34vw,37vh)}.story-call-status{bottom:-1%}.story-call-copy{margin-top:2px}.story-call-copy>small{font-size:8px}.story-call-copy h1{margin-block:3px 4px;font-size:clamp(21px,4vw,30px)}.story-call-copy p{display:none}.story-call-actions{border-left:3px solid var(--black);padding:18px max(24px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) 24px;border-top:0;grid-area:2/2;align-content:center;align-self:stretch;display:grid}.story-call-button{min-height:66px}.story-call-actions>small{margin-top:9px;font-size:10px}.story-tutorial{grid-template-rows:auto minmax(0,1fr);grid-template-columns:minmax(190px,36%) minmax(0,1fr)}.story-header{min-height:52px;padding-bottom:6px;padding-top:max(6px, env(safe-area-inset-top));grid-column:1/-1}.story-stage{grid-area:2/1}.story-stage:before{width:min(250px,88cqw);height:min(250px,88cqh)}.story-dad-anchor,.story-scene-2 .story-dad-anchor{--dad-size:min(270px, 108cqw, 106cqh);bottom:-24px}.story-stage-mark{font-size:clamp(24px,11cqw,36px);top:10px;right:10px}.story-sound-marks{top:18px;left:14px}.story-dialogue{height:auto;margin:9px 12px max(10px, env(safe-area-inset-bottom));grid-area:2/2;min-height:0;max-height:none;padding:26px 13px 10px}.story-spoken-line{min-height:0;font-size:15px;line-height:1.42}.story-promise{margin-top:6px;padding-block:6px;font-size:10px}.story-dialogue-tools{margin-top:4px}.story-response{margin-top:5px}.story-response button{min-height:42px}.summary-head{min-height:52px;padding-bottom:6px;padding-top:max(6px, env(safe-area-inset-top))}.summary-head small{font-size:7px}.summary-head strong{margin-top:2px;font-size:19px}.summary-body{padding:8px 10px 12px}.summary-dad-scene{grid-template-rows:minmax(220px,1fr);grid-template-columns:minmax(190px,36%) minmax(0,1fr);min-height:220px}.summary-dad-dialogue{border-left:3px solid var(--black);border-top:0;min-height:0;padding:25px 14px 10px;overflow-y:auto}.summary-dad-dialogue h2{font-size:21px}.summary-dad-dialogue p{min-height:44px;font-size:11px;line-height:1.42}.summary-dad-motion{width:235px;height:235px;bottom:-34px}.summary-dad-stage:before{width:172px;height:172px}.summary-calendar-scene{max-width:560px;margin-inline:auto}.summary-calendar-scene .attendance-card{padding-block:9px}.summary-calendar-scene .attendance-day{max-height:31px}.summary-streak-reveal{padding-block:9px}.summary-streak-reveal strong{font-size:27px}.home-screen{grid-template-rows:minmax(0,1fr) auto;grid-template-columns:minmax(230px,35%) minmax(0,1fr)}.home-hero{border-bottom:0;border-right:3px solid var(--black);grid-area:1/1/-1;min-height:0}.home-scroll{grid-area:1/2}.start-dock{grid-area:2/2}.split-screen{grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,45%) minmax(0,55%)}.question-half{border-bottom:0;border-right:3px solid var(--black)}.writing-head{padding-top:max(10px, env(safe-area-inset-top))}.problem-expression,.problem-expression[data-size=short]{--equation-font-size:min(clamp(28px, 5.4vw, 44px), 44cqh)}.problem-expression[data-size=medium]{--equation-font-size:min(clamp(24px, 4.5vw, 38px), 42cqh)}.problem-expression[data-size=long]{--equation-font-size:min(clamp(20px, 3.7vw, 32px), 40cqh)}.problem-expression[data-size=xlong]{--equation-font-size:min(clamp(14px, 2.7vw, 23px), 36cqh)}.problem-expression[data-size=xxlong]{--equation-font-size:min(clamp(11px, 2.1vw, 18px), 32cqh)}}@media (prefers-reduced-motion:reduce){.summary-dad-scene,.summary-dad-motion,.summary-typing-caret,.summary-calendar-scene,.attendance-card.is-ceremony,.attendance-card.is-ceremony .attendance-day[data-new-stamp=true]>strong,.attendance-card.is-ceremony[data-new-stamp=true]:after,.summary-streak-reveal[data-visible=true]{animation:none!important}.summary-mouth-rig{display:none}.summary-streak-reveal[data-visible=true]{opacity:1;transform:none}}@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}
