/*! 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{--tw-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--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}::backdrop{--tw-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.invisible{visibility:hidden}.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.grid{display:grid}.hidden{display:none}.table{display:table}.grow{flex-grow:1}.border{border-style:var(--tw-border-style);border-width:1px}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--ink:#17324d;--blue:#287fa0;--pale:#edf7fa;--orange:#e88733;--line:#d8e3e8;--green:#2f8b65}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;color:var(--ink);font-family:var(--font-geist-sans),Arial,sans-serif;background:#f7fafb;margin:0;overflow-x:hidden}button,select,input{font:inherit;touch-action:manipulation}:is(button:focus-visible,select:focus-visible,a:focus-visible){outline-offset:2px;outline:3px solid #e8873370}.topbar{justify-content:space-between;align-items:center;max-width:1180px;height:72px;margin:auto;padding:0 28px;display:flex}.brand{color:var(--ink);letter-spacing:-.5px;font-size:20px;font-weight:850;text-decoration:none}.brand>span{color:#fff;background:var(--blue);border-radius:10px;place-items:center;width:32px;height:32px;margin-right:7px;display:inline-grid}.topbar-actions{align-items:center;gap:10px;display:flex}.language-switcher{border:1px solid var(--line);background:#fff;border-radius:99px;align-items:center;gap:8px;margin:0;padding:4px 5px 4px 11px;font-size:12px;display:flex}.language-switcher select{background:var(--pale);border:0;border-radius:99px;width:auto;min-width:98px;margin:0;padding:6px 28px 6px 9px;font-size:12px;font-weight:800}.status-pill{border:1px solid var(--line);background:#fff;border-radius:99px;padding:8px 13px;font-size:13px;font-weight:700}.status-pill i{background:#36a571;border-radius:50%;width:8px;height:8px;margin-right:6px;display:inline-block}.hero{grid-template-columns:1.45fr .55fr;align-items:center;max-width:1180px;margin:22px auto 38px;padding:30px 28px;display:grid}.eyebrow{color:var(--blue);letter-spacing:1.6px;margin:0;font-size:12px;font-weight:850}h1{letter-spacing:-3.2px;margin:10px 0 16px;font-size:clamp(42px,6vw,72px);line-height:.98}.lead{color:#52687b;max-width:630px;font-size:18px;line-height:1.6}.formula{background:var(--pale);width:245px;height:190px;color:var(--blue);border-radius:48% 52% 55% 45%;justify-content:center;justify-self:end;align-items:center;gap:15px;font-size:37px;font-weight:850;display:flex;transform:rotate(3deg)}.formula *{transform:rotate(-3deg)}.formula span:last-child{background:#fff;border-radius:16px;padding:7px 17px;box-shadow:0 8px 25px #287fa018}.workspace{grid-template-columns:390px minmax(0,1fr);align-items:start;gap:30px;max-width:1180px;margin:0 auto 70px;padding:0 28px;display:grid}.builder-card,.preview-card{border:1px solid var(--line);background:#fff;border-radius:24px;box-shadow:0 18px 50px #17324d10}.builder-card{padding:26px;position:sticky;top:20px}.step{align-items:center;gap:13px;margin-bottom:22px;display:flex}.step>span{background:var(--ink);color:#fff;border-radius:12px;flex:0 0 38px;place-items:center;width:38px;height:38px;font-weight:850;display:grid}.step b,.step small{display:block}.step small{color:#718393;margin-top:3px}label,.field-group{margin:16px 0;font-size:13px;font-weight:750;display:block}.field-group{border:0;padding:0}.field-group legend{padding:0}select{width:100%;color:var(--ink);background:#fff;border:1px solid #cbd8df;border-radius:12px;margin-top:7px;padding:13px 14px}.segmented{border:1px solid #cbd8df;border-radius:12px;grid-template-columns:repeat(3,1fr);margin-top:7px;padding:4px;display:grid}.mode-segmented{grid-template-columns:1fr 1fr}.mode-field{background:#f7fafb;border-radius:14px;margin-top:0;padding:12px}.segmented button{color:#637789;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:10px 4px;font-size:12px}.segmented .active{background:var(--pale);color:var(--blue);font-weight:800}.difficulty-help{color:#657b8c;margin:8px 2px 0;font-size:11px;font-weight:500;line-height:1.45}.curriculum-note{color:#77532d;background:#fff7e8;border-radius:11px;margin:10px 0 16px;padding:10px 12px;font-size:11px;line-height:1.45}.generate{background:var(--orange);color:#fff;cursor:pointer;border:0;border-radius:14px;justify-content:space-between;width:100%;padding:15px 18px;font-weight:850;transition:transform .18s,box-shadow .18s;display:flex;box-shadow:0 8px 20px #e8873333}.generate:hover{transform:translateY(-1px);box-shadow:0 11px 24px #e8873345}.privacy{text-align:center;color:#7a8c9b;margin:14px 0 0;font-size:11px}.sheet-area{min-width:0}.sheet-actions{justify-content:space-between;align-items:center;gap:12px;min-height:43px;margin-bottom:12px;display:flex}.sheet-actions>div{gap:8px;display:flex}.sheet-actions button{color:var(--ink);cursor:pointer;background:#fff;border:1px solid #cbd8df;border-radius:10px;padding:9px 12px;font-size:12px;font-weight:750}.sheet-actions .print-button{border-color:var(--ink);background:var(--ink);color:#fff}.fresh{color:var(--green);font-size:12px;font-weight:750}.fresh i{background:#e8f6f0;border-radius:50%;place-items:center;width:20px;height:20px;margin-right:5px;font-style:normal;display:inline-grid}.score-pill{border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:99px;padding:8px 11px;font-size:12px;font-weight:750}.preview-card{padding:36px 40px}.paper-head{border-bottom:3px solid var(--blue);justify-content:space-between;gap:20px;padding-bottom:22px;display:flex}.paper-head p{color:var(--blue);letter-spacing:1.5px;margin:0 0 5px;font-size:12px;font-weight:850}.paper-head h2{letter-spacing:-1px;margin:0 0 5px;font-size:30px}.paper-head span{color:#718393}.paper-head>b{background:var(--pale);color:var(--blue);border-radius:12px;flex:none;align-self:start;padding:10px 14px}.name-line{color:#627789;justify-content:space-between;padding:18px 0 4px;font-size:12px;display:flex}.tasks{grid-template-columns:1fr 1fr;column-gap:26px;margin:0;padding:8px 0 0;list-style:none;display:grid}.tasks li{border-bottom:1px solid var(--line);align-items:flex-start;gap:13px;min-height:104px;padding:20px 0;display:flex}.tasks li>span,.answer-list li>span{background:var(--pale);height:32px;color:var(--blue);border-radius:10px;flex:0 0 32px;place-items:center;font-weight:850;display:grid}.tasks small,.answer-list small{color:#79909f;letter-spacing:.3px;text-transform:uppercase;margin-bottom:6px;font-size:10px;font-weight:800;display:block}.tasks p{margin:0;font-size:14px;line-height:1.5}.tasks .print-options{color:#617786;margin-top:7px;font-size:12px;font-weight:700}.paper-foot{color:#718393;justify-content:space-between;gap:20px;margin-top:28px;font-size:11px;display:flex}.paper-foot strong{color:var(--green)}.answer-paper{margin-top:24px;display:none}.answer-paper.answers-visible{display:block}.answer-head{border-color:var(--green)}.answer-head p{color:var(--green)}.answer-head>b{color:var(--green);background:#eaf7f1}.answer-list{grid-template-columns:1fr 1fr;column-gap:25px;margin:0;padding:15px 0 0;list-style:none;display:grid}.answer-list li{border-bottom:1px solid var(--line);gap:12px;padding:14px 0;display:flex}.answer-list strong{font-size:18px}.parent-tip{background:#eaf7f1;border:1px solid #c6e8d8;border-radius:15px;margin-top:24px;padding:18px 20px}.parent-tip p{color:#496b5d;margin:7px 0 0;font-size:13px;line-height:1.5}.practice-card{flex-direction:column;min-height:560px;display:flex}.practice-top{justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.practice-top p{color:var(--blue);letter-spacing:1px;text-transform:uppercase;margin:0 0 5px;font-size:11px;font-weight:850}.practice-top h2{margin:0;font-size:25px}.practice-top>span{color:#718393;font-size:12px}.progress-track{background:#e8eff3;border-radius:99px;height:8px;margin:22px 0 34px;overflow:hidden}.progress-track i{border-radius:inherit;background:var(--blue);height:100%;transition:width .25s;display:block}.learning-goal{background:#f7fbfc;border:1px solid #cfe2e9;border-radius:16px;gap:12px;margin:-12px 0 18px;padding:14px 16px;display:flex}.learning-goal>span{background:var(--pale);width:34px;height:34px;color:var(--blue);border-radius:11px;flex:0 0 34px;place-items:center;font-size:20px;font-weight:900;display:grid}.learning-goal b{color:var(--blue);text-transform:uppercase;letter-spacing:.05em;font-size:12px;display:block}.learning-goal p{color:var(--ink);margin:4px 0;font-size:14px;line-height:1.45}.learning-goal small{color:#687d8d;font-size:11px;line-height:1.4;display:block}.worked-example{background:#fffaf2;border:1px solid #ecd2a9;border-radius:16px;margin:0 0 16px;overflow:hidden}.worked-example summary{color:#8a511f;cursor:pointer;padding:13px 15px;font-size:13px;font-weight:850;list-style:none}.worked-example summary::-webkit-details-marker{display:none}.worked-example>div{border-top:1px solid #f0ddbf;padding:0 16px 16px}.worked-example>div>b{color:var(--ink);margin:13px 0 10px;font-size:18px;display:block}.worked-example ol{gap:8px;margin:0 0 10px;padding:0;list-style:none;display:grid}.worked-example li{color:#4e6373;align-items:flex-start;gap:9px;font-size:13px;line-height:1.45;display:flex}.worked-example li span{color:#8a511f;background:#f6dfbf;border-radius:7px;flex:0 0 23px;place-items:center;height:23px;font-weight:850;display:grid}.worked-example>div>strong{color:#7c491e;border-top:1px solid #ecdcc4;padding-top:9px;display:block}.study-support>div{padding-top:14px}.study-support>div>p{color:#29445a;margin:0 0 10px;font-size:15px;line-height:1.6}.study-support>div>small{color:#7c5a37;border-top:1px solid #ecdcc4;padding-top:10px;font-size:13px;line-height:1.5;display:block}.practice-question{text-align:center;background:var(--pale);border-radius:20px;flex-direction:column;justify-content:center;align-items:center;min-height:180px;padding:28px;display:flex}.practice-question small{color:var(--blue);letter-spacing:1px;text-transform:uppercase;font-size:11px;font-weight:850}.practice-question h3{letter-spacing:-.8px;max-width:620px;margin:16px 0 0;font-size:clamp(23px,3.2vw,35px);line-height:1.28}.practice-question h3.question-with-expression{flex-direction:column;align-items:center;gap:14px;display:flex}.question-with-expression>span{letter-spacing:-.3px;font-size:.72em;font-weight:650}.question-with-expression>strong{color:var(--navy);letter-spacing:.2px;background:#fff;border-radius:14px;padding:12px 20px;font-size:1.12em;font-weight:800;display:block}.print-question-with-expression{flex-direction:column;gap:7px;display:flex}.print-question-with-expression>strong{color:var(--navy);font-size:1.18em;display:block}.alphabet-guide{background:#fff;border:1px solid #d8e3e8;border-radius:16px;margin:0 0 14px;padding:13px 15px}.alphabet-guide p{color:#607485;justify-content:center;align-items:center;gap:7px;margin:0 0 10px;font-size:12px;font-weight:800;display:flex}.alphabet-guide p .consonant-dot{margin-left:8px}.vowel-dot,.consonant-dot{border-radius:50%;width:10px;height:10px;display:inline-block}.vowel-dot{background:#d84a4a}.consonant-dot{background:#287fa0}.alphabet-guide>div{flex-wrap:wrap;justify-content:center;gap:5px;display:flex}.alphabet-guide b{background:#f5f8fa;border-radius:8px;place-items:center;width:27px;height:29px;font-size:15px;display:grid}.vowel-letter{color:#c83e45;border:1px solid #efbfc2;background:#fff3f3!important}.consonant-letter{color:#287fa0;border:1px solid #bedce7;background:#eff8fb!important}.practice-question .speak-button{color:var(--blue);cursor:pointer;background:#fff;border:2px solid #b8dae6;border-radius:99px;align-items:center;gap:8px;margin-top:18px;padding:11px 15px;font-size:14px;font-weight:850;display:inline-flex}.practice-question .speak-button:hover{background:#f7fcfd}.task-diagram{width:min(100%,430px);min-height:150px;color:var(--ink);background:#fff;border:1px solid #cfe1e8;border-radius:18px;justify-content:center;align-items:center;margin:12px auto 22px;display:flex}.rectangle-diagram{border:4px solid var(--blue);background:repeating-linear-gradient(0deg,#287fa00b 0 18px,#287fa021 19px),repeating-linear-gradient(90deg,#0000 0 18px,#287fa021 19px);width:220px;height:115px;position:relative}.dimension{background:var(--ink);color:#fff;white-space:nowrap;border-radius:8px;padding:3px 8px;font-size:13px;font-weight:850;position:absolute}.dimension-width{bottom:-30px;left:50%;transform:translate(-50%)}.dimension-height{top:50%;right:-61px;transform:translateY(-50%)}.triangle-wrap{width:250px;height:150px;position:relative}.triangle-diagram{clip-path:polygon(0 100%,100% 100%,35% 0);border-bottom:4px solid var(--blue);background:#dff2f7;width:190px;height:120px;position:absolute;bottom:20px;left:24px}.triangle-height{border-left:3px dashed var(--orange);height:118px;position:absolute;bottom:21px;left:90px}.triangle-base{bottom:-12px;left:95px}.triangle-height-label{top:55px;left:98px}.coordinate-diagram{background-image:linear-gradient(#d8e6eb 1px,#0000 1px),linear-gradient(90deg,#d8e6eb 1px,#0000 1px);background-size:22px 22px;min-height:220px;position:relative;overflow:hidden}.coordinate-diagram .axis-x,.coordinate-diagram .axis-y{background:var(--ink);position:absolute}.coordinate-diagram .axis-x{height:2px;top:50%;left:0;right:0}.coordinate-diagram .axis-y{width:2px;top:0;bottom:0;left:50%}.coordinate-diagram b{background:var(--orange);color:#fff;border-radius:50%;place-items:center;width:28px;height:28px;display:grid;position:absolute;transform:translate(-50%,50%)}.bar-diagram{align-items:flex-end;gap:18px;height:210px;padding:22px 28px 30px}.bar-diagram>div{align-items:flex-end;width:44px;height:100%;display:flex;position:relative}.bar-diagram i{background:var(--blue);border-radius:8px 8px 0 0;width:100%;position:relative}.bar-diagram i b{min-width:28px;color:var(--navy);text-align:center;background:#fff;border:1px solid #cfe1e8;border-radius:7px;padding:2px 5px;font-size:12px;font-style:normal;font-weight:900;line-height:18px;position:absolute;top:-25px;left:50%;transform:translate(-50%)}.bar-diagram span{font-size:11px;font-weight:800;position:absolute;top:calc(100% + 5px);left:50%;transform:translate(-50%)}.tasks .task-diagram{transform-origin:0;min-height:110px;margin:8px 0 16px;transform:scale(.82)}.answer-form{width:100%;max-width:520px;margin:27px auto 0}.answer-form>label{margin:0 0 8px}.answer-form>div{flex-direction:column;gap:10px;display:flex}.answer-form input{min-width:0;color:var(--ink);font:inherit;border:2px solid #cbd8df;border-radius:13px;padding:14px 16px;font-size:18px}.answer-form input:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 4px #287fa018}.answer-form button,.next-button{background:var(--ink);color:#fff;cursor:pointer;border:0;border-radius:13px;padding:13px 19px;font-weight:850}.answer-form button:disabled{cursor:not-allowed;opacity:.45}.answer-form .symbol-choices{grid-template-columns:1fr;gap:9px;display:grid}.answer-form .symbol-choices button{overflow-wrap:anywhere;white-space:normal;width:100%;min-width:0;max-width:100%;min-height:52px;color:var(--ink);background:#fff;border:2px solid #cbd8df;font-size:18px;line-height:1.25}.answer-form .symbol-choices button.selected{border-color:var(--blue);background:var(--pale);color:var(--blue)}.answer-form .symbol-choices button.vowel-option{color:#b9323a;background:#fff5f5;border-color:#efbfc2}.answer-form .symbol-choices button.consonant-option{color:#176f91;background:#f1f9fb;border-color:#b8dae6}.answer-form .symbol-choices button.letter-option.selected{border-width:3px;box-shadow:0 0 0 3px #17324d12}.print-alphabet{box-shadow:none;margin:16px 0 0}.answer-feedback{border:1px solid;border-radius:15px;gap:14px;width:100%;max-width:520px;margin:18px auto 0;padding:16px 18px;display:flex}.answer-feedback>span{color:#fff;border-radius:50%;flex:0 0 32px;place-items:center;height:32px;font-size:21px;font-weight:850;display:grid}.answer-feedback b{display:block}.answer-feedback p{margin:4px 0 0;font-size:13px;line-height:1.45}.answer-feedback dl{gap:8px;margin:12px 0 0;display:grid}.answer-feedback dl>div{border-color:#17324d18;border-top-style:solid;border-top-width:1px;padding-top:8px}.answer-feedback dt{letter-spacing:.03em;text-transform:uppercase;font-size:11px;font-weight:850}.answer-feedback dd{color:var(--ink);margin:3px 0 0;font-size:13px;line-height:1.45}.answer-feedback.correct{color:#206b4c;background:#eaf7f1;border-color:#bfe2d1}.answer-feedback.correct>span{background:var(--green)}.answer-feedback.wrong{color:#8a4725;background:#fff3e8;border-color:#f1cfad}.answer-feedback.wrong>span{background:var(--orange)}.feedback-actions{justify-content:flex-end;gap:10px;margin-top:18px;display:flex}.feedback-actions .next-button{margin-top:0}.similar-button{border:2px solid var(--blue);color:#176f91;cursor:pointer;background:#f1f9fb;border-radius:13px;padding:12px 17px;font-weight:850}.similar-button:disabled{color:#2f7a5b;cursor:default;background:#eef8f3;border-color:#b8d9c9}.next-button{background:var(--orange);align-self:flex-end;margin-top:18px}.next-button span{margin-left:24px}.finish-card{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:560px;display:flex}.finish-icon{color:#fff;background:var(--green);border-radius:50%;place-items:center;width:76px;height:76px;margin-bottom:20px;font-size:38px;font-weight:850;display:grid;box-shadow:0 12px 30px #2f8b6530}.finish-card h2{margin:9px 0;font-size:34px}.finish-card>p:not(.eyebrow){color:#637789;max-width:480px;line-height:1.55}.restart{max-width:270px;margin-top:18px}.finish-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;width:100%;margin-top:18px;display:flex}.finish-actions .restart{margin-top:0}.mistake-button{border:2px solid var(--orange);color:#9b4e14;cursor:pointer;background:#fff8f0;border-radius:15px;min-height:54px;padding:14px 22px;font-size:15px;font-weight:850}.mistake-button:hover{background:#ffeedc}.progress-summary{text-align:left;width:100%;max-width:760px;margin:22px auto 0}.progress-summary h3{margin:0 0 10px;font-size:20px}.progress-summary>div{grid-template-columns:1fr 1fr;gap:10px;display:grid}.progress-summary p{background:#f7fbfc;border:1px solid #d4e2e8;border-radius:14px;grid-template-columns:34px 1fr;gap:2px 10px;margin:0;padding:14px;display:grid}.progress-summary p>span{width:34px;height:34px;color:var(--blue);background:#e6f3f7;border-radius:50%;grid-row:1/3;place-items:center;font-weight:900;display:grid}.progress-summary b{color:#6a7f8f;text-transform:uppercase;letter-spacing:.04em;font-size:12px}.progress-summary strong{overflow-wrap:anywhere;font-size:15px}.result-review{text-align:left;width:100%;max-width:760px;margin:28px auto 4px}.result-review h3{margin:0 0 12px;font-size:22px}.result-review ol{gap:10px;margin:0;padding:0;list-style:none;display:grid}.result-review li{border:1px solid;border-radius:14px;gap:12px;padding:14px;display:flex}.result-review li>span{color:#fff;border-radius:50%;flex:0 0 30px;place-items:center;width:30px;height:30px;font-weight:850;display:grid}.result-review li div{min-width:0}.result-review li b{overflow-wrap:anywhere;line-height:1.4;display:block}.result-review li p{margin:5px 0 0;font-size:13px;line-height:1.4}.result-review .review-correct{color:#206b4c;background:#eaf7f1;border-color:#bfe2d1}.result-review .review-correct>span{background:var(--green)}.result-review .review-wrong{color:#8a4725;background:#fff3e8;border-color:#f1cfad}.result-review .review-wrong>span{background:var(--orange)}.answer-list li p{color:#607485;margin:6px 0 0;font-size:13px;line-height:1.45}.coverage-panel{max-width:1124px;margin:0 auto 32px;padding:0 28px}.coverage-panel>details{border:1px solid var(--line);background:#fff;border-radius:22px;overflow:hidden;box-shadow:0 12px 35px #17324d0b}.coverage-panel summary{cursor:pointer;align-items:center;gap:13px;padding:20px 22px;list-style:none;display:flex}.coverage-panel summary::-webkit-details-marker{display:none}.coverage-panel summary>span{background:var(--pale);height:40px;color:var(--blue);border-radius:12px;flex:0 0 40px;place-items:center;font-size:21px;display:grid}.coverage-panel summary div{min-width:0}.coverage-panel summary b,.coverage-panel summary small{display:block}.coverage-panel summary b{font-size:18px}.coverage-panel summary small{color:#687d8d;margin-top:4px;line-height:1.4}.coverage-panel summary>i{color:var(--blue);margin-left:auto;font-size:20px;font-style:normal}.coverage-content{border-top:1px solid var(--line);padding:0 22px 22px}.coverage-content>p{color:#607485;line-height:1.55}.coverage-scroll{border:1px solid var(--line);border-radius:15px;overflow-x:auto}.coverage-scroll table{border-collapse:collapse;width:100%;min-width:980px;font-size:12px}.coverage-scroll th,.coverage-scroll td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);vertical-align:top;text-align:left;padding:13px}.coverage-scroll tr:last-child>*{border-bottom:0}.coverage-scroll tr>:last-child{border-right:0}.coverage-scroll thead th{background:var(--ink);color:#fff;font-size:12px}.coverage-scroll tbody th{width:150px;color:var(--blue);background:#f6fafb}.coverage-scroll td b{line-height:1.45;display:block}.coverage-scroll td p{color:#5b7080;margin:8px 0 0;line-height:1.45}.quality-status{color:#245e47;background:#eaf7f1;border:1px solid #c6e8d8;border-radius:14px;margin-top:16px;padding:14px 16px}.quality-status p{margin:5px 0 0;font-size:13px;line-height:1.5}.coverage-sources{font-size:12px}.coverage-sources a{color:var(--blue);font-weight:750}.test-guide{color:#fff;background:var(--ink);border-radius:24px;grid-template-columns:.65fr 1.35fr;gap:40px;max-width:1124px;margin:0 auto 45px;padding:36px 40px;display:grid}.test-guide h2{letter-spacing:-1px;margin:8px 0 0;font-size:30px}.test-guide .eyebrow{color:#78cee7}.test-guide ol{gap:12px;margin:0;padding:0;list-style:none;display:grid}.test-guide li{align-items:center;gap:12px;display:flex}.test-guide li span{height:30px;color:var(--ink);background:#fff;border-radius:9px;flex:0 0 30px;place-items:center;font-weight:850;display:grid}footer{border-top:1px solid var(--line);color:#6b7f8e;max-width:1124px;margin:0 auto;padding:24px 0 50px;font-size:12px}footer div{justify-content:space-between;gap:20px;display:flex}footer a{color:var(--blue)}@media (max-width:980px){.hero{grid-template-columns:1fr}.formula{display:none}.workspace{grid-template-columns:1fr}.builder-card{position:static}.preview-card{padding:26px 22px}.tasks{grid-template-columns:1fr}.sheet-actions{flex-direction:column;align-items:flex-start}.sheet-actions>div{flex-wrap:wrap;width:100%}.sheet-actions button{flex:1;min-height:44px}.test-guide{grid-template-columns:1fr;margin-left:18px;margin-right:18px}.topbar,.hero,.workspace{padding-left:18px;padding-right:18px}footer{margin:0 18px}.paper-head h2{font-size:24px}h1{letter-spacing:-2px}.name-line,.paper-foot,footer div,.practice-top{flex-direction:column;gap:8px}.practice-question{min-height:160px;padding:22px 16px}.answer-form button,.next-button,.generate{min-height:48px}.next-button{width:100%}.status-pill,.language-switcher>span{display:none}.language-switcher{padding:4px}.topbar{gap:10px}.brand{font-size:17px}.language-switcher select{min-width:92px}.answer-list{grid-template-columns:1fr}.feedback-actions{flex-direction:column}.feedback-actions button{width:100%;min-height:48px}}@media (max-width:600px){.coverage-panel{padding:0 12px}.coverage-panel summary{padding:17px 15px}.coverage-content{padding:0 14px 16px}.topbar{height:64px;padding-left:14px;padding-right:14px}.brand{white-space:nowrap;font-size:15px}.brand>span{width:29px;height:29px;margin-right:5px}.language-switcher select{min-width:84px;padding:8px 24px 8px 8px;font-size:12px}.hero{margin:6px auto 20px;padding:20px 16px 12px}.hero h1{letter-spacing:-2px;font-size:clamp(36px,12vw,50px)}.lead{font-size:16px;line-height:1.5}.workspace{gap:18px;margin-bottom:44px;padding:0 12px}.builder-card{border-radius:19px;padding:20px 16px}.step{margin-bottom:18px}.step small{font-size:12px}.mode-field{padding:8px}.segmented button{min-height:44px;padding:9px 3px}.difficulty-help,.curriculum-note{font-size:12px}select{min-height:48px;padding:12px;font-size:16px}.privacy{line-height:1.45}.sheet-actions{padding:0 4px}.score-pill{align-self:flex-start}.preview-card{border-radius:19px;padding:22px 16px}.practice-card,.finish-card{min-height:0}.learning-goal{margin-top:-16px;padding:12px}.practice-question{min-height:150px;padding:20px 12px}.practice-question h3{overflow-wrap:anywhere;font-size:clamp(21px,6.3vw,28px)}.task-diagram{min-height:130px}.rectangle-diagram{width:150px;height:82px}.dimension-height{right:-52px}.alphabet-guide{padding:11px 9px}.alphabet-guide b{width:24px;height:26px;font-size:13px}.practice-question .speak-button{justify-content:center;width:100%;min-height:48px}.answer-form{margin-top:20px}.answer-form .symbol-choices{grid-template-columns:1fr;gap:9px;display:grid}.answer-form .symbol-choices button{width:100%;min-width:0;font-size:17px}.answer-feedback{padding:14px 13px}.finish-actions,.finish-actions button{width:100%;max-width:none}.progress-summary>div{grid-template-columns:1fr}.paper-head{align-items:flex-start}.paper-head>b{padding:8px 10px;font-size:12px}.paper-head h2{font-size:21px}.tasks li{min-height:0;padding:17px 0}.tasks p{overflow-wrap:anywhere}.test-guide{gap:24px;margin:0 12px 32px;padding:27px 20px}.test-guide h2{font-size:25px}footer{padding-bottom:calc(34px + env(safe-area-inset-bottom));margin:0 14px}}@media print{@page{size:A4;margin:13mm}body{background:#fff}.no-print,.topbar,.hero,.builder-card{display:none!important}.workspace{max-width:none;margin:0;padding:0;display:block}.preview-card{box-shadow:none;border:0;border-radius:0;padding:0}.worksheet-paper{page-break-after:always}.answer-paper{page-break-before:always;margin:0;display:block!important}.tasks{grid-template-columns:1fr 1fr}.tasks li{min-height:34mm}.paper-foot{position:fixed;bottom:0;left:0;right:0}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@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}
