@import "https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Unbounded:wght@600;700&display=swap";@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-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.flex{display:flex}.hidden{display:none}.table{display:table}.resize{resize:both}.blur{--tw-blur:blur(8px);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,)}.\[no-new-privileges\:true\]{no-new-privileges:true}}:root{--ink:#18302d;--muted:#69807b;--paper:#fbfaf4;--white:#fff;--line:#dfe8e4;--brand:#0f9b78;--brand-dark:#08765c;--brand-soft:#dff5ec;--accent:#ffd568;--danger:#d4564f;--danger-soft:#fff0ed;--shadow:0 18px 50px #18302d17}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);margin:0;font-family:Manrope,Arial,sans-serif}button,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:inherit;text-decoration:none}.app-shell{--subject:#0f9b78;--subject-soft:#dff5ec;min-height:100vh;overflow:hidden}.app-shell.subject-geography{--subject:#3d78d8;--subject-soft:#e4edff}.app-shell.subject-biology{--subject:#7b61bf;--subject-soft:#eee9fb}.topbar,.quiz-header{z-index:10;justify-content:space-between;align-items:center;gap:24px;max-width:1180px;height:82px;margin:0 auto;padding:0 28px;display:flex;position:relative}.brand,.logo-button{align-items:center;gap:10px;font-family:Unbounded,sans-serif;font-size:20px;font-weight:700;display:inline-flex}.logo-button{cursor:pointer;background:0 0;border:0}.brand-mark{background:var(--brand);color:#fff;border-radius:12px 12px 12px 5px;place-items:center;width:38px;height:38px;font-family:Unbounded,sans-serif;font-size:18px;display:grid;transform:rotate(-4deg)}.topbar nav{color:var(--muted);gap:32px;font-size:14px;font-weight:600;display:flex}.topbar nav a{padding:10px 0;position:relative}.topbar nav a:hover,.topbar nav a.active{color:var(--ink)}.topbar nav a.active:after{content:"";background:var(--brand);border-radius:2px;height:2px;position:absolute;bottom:3px;left:0;right:0}.profile{border:1px solid var(--line);background:#fff;border-radius:16px;align-items:center;gap:9px;padding:6px 8px 6px 6px;display:flex}.sign-in-button{border:1px solid var(--brand);color:var(--brand-dark);cursor:pointer;background:#fff;border-radius:12px;padding:10px 17px;font-weight:800}.auth-overlay{z-index:100;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0e231c9e;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.auth-card{background:#fff;border-radius:24px;width:min(440px,100%);padding:30px;position:relative;box-shadow:0 30px 80px #0b201947}.auth-card>.brand-mark{margin-bottom:18px;display:grid}.auth-close{width:34px;height:34px;color:var(--ink);cursor:pointer;background:#eef4f1;border:0;border-radius:50%;font-size:22px;position:absolute;top:14px;right:16px}.auth-progress{grid-template-columns:repeat(3,1fr);gap:7px;margin:0 0 22px;display:grid}.auth-progress i{background:#e4ebe8;border-radius:8px;height:5px}.auth-progress i.done{background:var(--brand)}.auth-card form{gap:15px;display:grid}.auth-card h2{margin:0;font-family:Unbounded;font-size:24px;line-height:1.2}.auth-card p{color:var(--muted);margin:-5px 0 3px;font-size:14px;line-height:1.55}.auth-card label{gap:7px;display:grid}.auth-card label>span{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:800}.auth-card input,.auth-card select{width:100%;color:var(--ink);font:inherit;background:#fff;border:1px solid #dce6e1;border-radius:12px;outline:0;padding:13px 14px}.auth-card input:focus,.auth-card select:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.auth-card .primary-button{justify-content:center;width:100%}.auth-error{color:var(--danger);font-weight:700}.auth-note{color:var(--muted);line-height:1.45}.auth-link{color:var(--brand-dark);cursor:pointer;background:0 0;border:0;justify-self:center;font-weight:800}.paywall-card{gap:16px;display:grid}.paywall-card h2{margin:0}.paywall-card>p{margin:-6px 0 2px}.paywall-card .paywall-result{background:var(--brand-soft);color:var(--ink);border-radius:14px;margin:0;padding:14px 16px;line-height:1.55}.paywall-options{gap:10px;display:grid}.paywall-options button{text-align:left;color:var(--ink);cursor:pointer;background:#fff;border:1px solid #dce6e1;border-radius:14px;grid-template-columns:1fr auto;gap:3px 14px;padding:14px 15px;display:grid}.paywall-options button.recommended{border:2px solid var(--brand);background:var(--brand-soft)}.paywall-options button span{font-weight:700}.paywall-options button strong{font-family:Unbounded}.paywall-options button small{color:var(--brand-dark);grid-column:1/-1}.delete-account-card{gap:15px;display:grid}.danger-button{color:#fff;cursor:pointer;background:#a44336;border:0;border-radius:12px;width:100%;padding:13px 15px;font-weight:800}.profile>span{background:var(--accent);border-radius:11px;place-items:center;width:34px;height:34px;font-family:Unbounded;font-size:14px;display:grid}.profile div{display:grid}.profile strong{font-size:13px}.profile small{color:var(--muted);font-size:10px}.profile>b{color:var(--muted);padding:0 3px}.hero{grid-template-columns:1fr 1fr;align-items:center;max-width:1180px;min-height:480px;margin:0 auto;padding:70px 28px;display:grid;position:relative}.eyebrow{color:var(--brand);letter-spacing:.16em;text-transform:uppercase;margin-bottom:12px;font-size:11px;font-weight:800;display:block}.hero h1{letter-spacing:-.045em;max-width:650px;margin:0;font-family:Unbounded,sans-serif;font-size:clamp(38px,5vw,66px);line-height:1.08}.hero h1 em{color:var(--brand);font-style:normal}.hero-copy>p{max-width:550px;color:var(--muted);margin:26px 0 22px;font-size:18px;line-height:1.65}.hero-promise{color:var(--muted);align-items:center;gap:9px;font-size:13px;font-weight:600;display:inline-flex}.hero-promise span{background:var(--brand-soft);width:23px;height:23px;color:var(--brand);border-radius:50%;place-items:center;display:grid}.hero-visual{place-items:center;height:360px;display:grid;position:relative}.orbit{border:1px dashed #0f9b784d;border-radius:50%;position:absolute;transform:rotate(-12deg)}.orbit-one{width:420px;height:210px}.orbit-two{width:310px;height:310px;transform:rotate(32deg)}.book{width:150px;height:190px;box-shadow:var(--shadow);color:var(--ink);border-radius:14px 22px 22px 14px;flex-direction:column;justify-content:space-between;padding:22px;display:flex;position:absolute}.book:after{content:"";background:#18302d1f;border-radius:2px;width:2px;position:absolute;top:8px;bottom:8px;left:10px}.book span{font-family:Unbounded;font-size:31px}.book b{font-size:14px}.book-left{background:#ffe187;transform:translate(-118px,36px)rotate(-12deg)}.book-center{z-index:2;background:#a9dfce;transform:translateY(-34px)rotate(2deg)}.book-right{background:#f7a69c;transform:translate(122px,38px)rotate(12deg)}.spark{color:var(--brand);font-size:28px;position:absolute}.spark-one{top:40px;right:50px}.spark-two{color:#f2b71c;font-size:18px;bottom:35px;left:70px}.trainer-section{border:1px solid var(--line);max-width:1180px;box-shadow:var(--shadow);background:#fff;border-radius:28px;margin:0 auto 86px;padding:38px 38px 40px}.section-heading{justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px;display:flex}.section-heading h2,.how-section h2,.parent-section h2{letter-spacing:-.035em;margin:0;font-family:Unbounded;font-size:clamp(24px,3vw,36px);line-height:1.25}.usage{width:210px;color:var(--muted);grid-template-columns:1fr auto;gap:6px;font-size:10px;display:grid}.usage strong{color:var(--ink);font-size:11px}.usage i{background:#e9efec;border-radius:10px;grid-column:1/-1;height:6px;overflow:hidden}.usage i b{background:var(--brand);border-radius:10px;height:100%;display:block}.interrupted-notice{color:#74412e;background:#fff4ee;border:1px solid #f2c7b2;border-radius:14px;justify-content:space-between;align-items:center;gap:14px;margin:0 0 18px;padding:14px 18px;display:flex}.interrupted-notice>div{gap:4px;display:grid}.interrupted-notice strong{white-space:nowrap}.interrupted-notice span{color:#7d6258;font-size:13px}.interrupted-notice button{color:#fff;cursor:pointer;background:#74412e;border:0;border-radius:10px;padding:9px 13px;font-weight:800}.value-message{color:var(--ink);background:#edf8f3;border:1px solid #b9dfcd;border-radius:16px;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;margin:0 0 18px;padding:16px 18px;display:grid}.value-message.access-paused{background:#f6f4ef;border-color:#ddd6c8}.value-message-icon{background:var(--brand);color:#fff;border-radius:50%;place-items:center;width:34px;height:34px;font-weight:900;display:grid}.value-message>div:nth-child(2){gap:4px;display:grid}.value-message span{color:var(--muted);font-size:13px;line-height:1.45}.value-message button{background:var(--ink);color:#fff;cursor:pointer;border:0;border-radius:11px;padding:10px 14px;font-weight:800}.access-dates{background:var(--brand-soft);color:var(--muted);border-radius:14px;justify-content:space-between;gap:12px;margin:-6px 0 14px;padding:14px 16px;font-size:13px;display:flex}.access-dates strong{color:var(--ink)}.retention-card{border:1px solid var(--line);background:#fafbf9;border-radius:14px;justify-content:space-between;align-items:center;gap:16px;margin:0 0 18px;padding:14px 16px;display:flex}.retention-card>div{gap:4px;display:grid}.retention-card span{color:var(--muted);font-size:12px}.retention-card b{color:#9a4235;font-size:12px}.retention-card button{color:#9a4235;cursor:pointer;background:0 0;border:0;font-weight:800}.retention-card.retention-warning{background:#fff5f2;border-color:#e4b1a7}.topic-search{margin:0 0 20px;position:relative}.topic-search>label{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:0 0 8px;font-size:11px;font-weight:800;display:block}.topic-search-field{background:#fff;border:1px solid #dfe8e4;border-radius:14px;align-items:center;gap:10px;padding:0 15px;display:flex}.topic-search-field:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.topic-search-field>span{color:var(--brand);font-size:24px}.topic-search input{width:100%;color:var(--ink);font:inherit;background:0 0;border:0;outline:0;padding:14px 0}.search-results{z-index:10;background:#fff;border:1px solid #dfe8e4;border-radius:16px;padding:8px;position:absolute;top:calc(100% + 7px);left:0;right:0;box-shadow:0 18px 45px #163d3024}.search-results button{text-align:left;width:100%;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:11px;grid-template-columns:32px 1fr auto;align-items:center;gap:10px;padding:12px;display:grid}.search-results button:hover,.search-results button:focus-visible{background:var(--brand-soft);outline:0}.search-results button:disabled{cursor:default;opacity:.78}.search-results button:disabled:hover{background:0 0}.search-results button:disabled>b{color:#8a6a12}.search-results button div{gap:3px;display:grid}.search-results button small{color:var(--muted)}.search-results button>b{color:var(--brand-dark);font-size:11px}.search-results p{color:var(--muted);margin:0;padding:12px;font-size:13px}.subject-tabs{border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:10px;padding-bottom:24px;display:grid}.subject-tabs button{border:1px solid var(--line);cursor:pointer;background:#fbfcfb;border-radius:16px;align-items:center;gap:11px;min-height:62px;padding:10px 17px;font-weight:700;transition:all .2s;display:flex}.subject-tabs button:hover{border-color:var(--subject);transform:translateY(-1px)}.subject-tabs button[aria-selected=true]{background:var(--subject-soft);color:var(--subject);border-color:#0000}.subject-tabs button>span{background:#fff;border-radius:11px;place-items:center;width:36px;height:36px;font-size:19px;display:grid}.subject-tabs button b{letter-spacing:.08em;text-transform:uppercase;background:#fff;border-radius:7px;margin-left:auto;padding:5px 7px;font-size:8px}.lesson-builder{grid-template-columns:1.3fr .7fr;gap:25px;padding-top:26px;display:grid}.lesson-form{grid-template-columns:1fr 1fr;align-content:start;gap:18px;display:grid}.lesson-form label{gap:8px;display:grid}.lesson-form label>span{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:700}.lesson-form select{border:1px solid var(--line);width:100%;height:53px;color:var(--ink);cursor:pointer;background:#fff;border-radius:13px;padding:0 40px 0 16px;font-size:13px;font-weight:600}.primary-button,.secondary-button{cursor:pointer;border:0;border-radius:13px;min-height:50px;padding:0 20px;font-weight:800;transition:all .2s}.primary-button{background:var(--brand);color:#fff;box-shadow:0 8px 20px #0f9b7833}.primary-button:hover{background:var(--brand-dark);transform:translateY(-1px)}.secondary-button{border:1px solid var(--line);background:#fff}.secondary-button:hover{border-color:var(--brand);color:var(--brand)}.start-button{background:var(--subject);grid-column:1/-1;justify-content:center;align-items:center;gap:12px;margin-top:4px;display:flex}.start-button span{font-size:20px}.lesson-preview{background:var(--subject-soft);border-radius:20px;align-items:center;gap:14px;padding:21px;display:flex}.preview-icon{background:#fff;border-radius:15px;flex:none;place-items:center;width:54px;height:54px;font-size:26px;display:grid}.lesson-preview small,.lesson-preview p{color:var(--muted);font-size:10px}.lesson-preview h3{margin:4px 0;font-family:Unbounded;font-size:14px}.lesson-preview p{margin:0}.preview-time{text-align:right;min-width:66px;margin-left:auto;display:grid}.preview-time strong{font-family:Unbounded;font-size:14px}.preview-time span{color:var(--muted);font-size:9px}.how-section{max-width:1180px;margin:0 auto 90px;padding:0 28px}.section-heading.compact{max-width:760px}.steps{border-top:1px solid var(--line);grid-template-columns:repeat(4,1fr);margin-top:36px;display:grid}.steps article{border-right:1px solid var(--line);min-height:180px;padding:26px 26px 20px 0}.steps article+article{padding-left:26px}.steps article:last-child{border-right:0}.steps article>span{color:var(--brand);margin-bottom:27px;font-family:Unbounded;font-size:12px;display:block}.steps article>b{margin-bottom:10px;font-family:Unbounded;font-size:15px;display:block}.steps p{color:var(--muted);margin:0;font-size:13px;line-height:1.6}.parent-section{color:#fff;background:#18302d;border-radius:28px;grid-template-columns:1.1fr .8fr .6fr;align-items:center;gap:36px;max-width:1180px;margin:0 auto 76px;padding:46px;display:grid}.parent-section>div:first-child p{color:#adbfbb;max-width:460px;font-size:14px;line-height:1.7}.parent-section .eyebrow{color:#7ed8bd}.mini-report{color:var(--ink);background:#fff;border-radius:18px;padding:22px;transform:rotate(-1.5deg)}.mini-report>div:first-child{color:var(--muted);text-transform:uppercase;justify-content:space-between;font-size:9px;display:flex}.mini-report>div:first-child b{color:var(--brand)}.mini-report h3{margin:15px 0;font-family:Unbounded;font-size:15px}.mini-stats{grid-template-columns:1fr 1fr;gap:8px;display:grid}.mini-stats span{background:var(--paper);color:var(--muted);border-radius:9px;padding:9px;font-size:8px;display:grid}.mini-stats b{color:var(--ink);font-size:14px}.mini-report p{margin:14px 0 0;font-size:10px}.mini-report p i{background:var(--accent);border-radius:5px;place-items:center;width:17px;height:17px;font-style:normal;display:inline-grid}.pricing{text-align:center}.pricing>span{color:#adbfbb;text-transform:uppercase;letter-spacing:.1em;font-size:10px}.pricing>strong{margin:8px 0 2px;font-family:Unbounded;font-size:26px;display:block}.pricing>strong small{color:#adbfbb;font-family:Manrope;font-size:10px}.pricing p{color:#adbfbb;margin:0 0 17px;font-size:11px}.pricing .secondary-button{width:100%;min-height:44px;font-size:11px}.history-section{border:1px solid var(--line);background:#fff;border-radius:24px;max-width:1180px;margin:0 auto 70px;padding:30px}.history-table-wrap{overflow-x:auto}.history-table{border-collapse:collapse;width:100%;font-size:13px}.history-table th{text-align:left;color:var(--muted);border-bottom:1px solid var(--line);text-transform:uppercase;letter-spacing:.05em;padding:10px 12px;font-size:10px}.history-table td{vertical-align:middle;border-bottom:1px solid #edf2ef;padding:14px 12px}.history-table td:nth-child(2){min-width:260px}.history-table td:nth-child(2) strong,.history-table td:nth-child(2) span{display:block}.history-table td:nth-child(2) span{color:var(--muted);margin-top:3px;font-size:11px}.history-table tbody tr:last-child td{border-bottom:0}.history-ready,.history-incomplete{white-space:nowrap;border-radius:9px;padding:6px 9px;font-size:10px;display:inline-block}.history-ready{background:var(--brand-soft);color:var(--brand-dark)}.history-incomplete{color:#8b4930;background:#fff1ea}.history-empty{color:var(--muted);background:#f6f9f7;border-radius:14px;margin:0;padding:18px}footer{border-top:1px solid var(--line);max-width:1180px;color:var(--muted);justify-content:space-between;align-items:center;margin:0 auto;padding:28px;font-size:11px;display:flex}footer .brand{color:var(--ink);font-size:15px}footer .brand-mark{border-radius:9px 9px 9px 4px;width:29px;height:29px;font-size:12px}.quiz-shell{background:#f7f9f7;min-height:100vh}.quiz-header{max-width:1120px}.lesson-crumb{background:var(--subject-soft);border-radius:13px;align-items:center;gap:10px;padding:8px 14px;display:flex}.lesson-crumb>span{font-size:20px}.lesson-crumb div{display:grid}.lesson-crumb strong{font-size:12px}.lesson-crumb small{color:var(--muted);font-size:9px}.exit-button{border:1px solid var(--line);color:var(--muted);cursor:pointer;background:#fff;border-radius:10px;padding:9px 15px;font-weight:700}.exit-choice-card{max-width:490px}.exit-choice-card>p{color:var(--muted);line-height:1.6}.exit-choice-actions{gap:10px;margin-top:22px;display:grid}.exit-choice-actions button{justify-content:center;width:100%}.discard-button{color:#9a4235;border-color:#e4b1a7}.text-button{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:10px;font-weight:700}.progress-wrap{max-width:1064px;margin:15px auto 0;padding:0 28px}.progress-labels{color:#a1b0ac;letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;margin-bottom:9px;font-size:9px;font-weight:800;display:flex}.progress-labels span.active{color:var(--subject)}.progress-track{background:#e4ebe7;border-radius:10px;height:7px;overflow:hidden}.progress-track span{background:var(--subject);border-radius:inherit;height:100%;transition:width .4s;display:block}.question-layout{grid-template-columns:1.4fr .6fr;align-items:start;gap:34px;max-width:1064px;margin:52px auto;padding:0 28px;display:grid}.question-main{min-width:0}.question-meta{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;font-size:11px;font-weight:700;display:flex}.question-meta strong{color:var(--subject)}.question-main h1{letter-spacing:-.035em;margin:16px 0 30px;font-family:Unbounded;font-size:clamp(24px,3vw,37px);line-height:1.35}.answers-list{gap:11px;display:grid}.answer-button{border:1px solid var(--line);text-align:left;cursor:pointer;background:#fff;border-radius:15px;align-items:center;gap:14px;width:100%;min-height:64px;padding:11px 16px;transition:all .18s;display:flex}.answer-button:not(:disabled):hover{border-color:var(--subject);transform:translate(3px);box-shadow:0 8px 25px #18302d0d}.answer-button:disabled{color:var(--ink);cursor:default;opacity:1}.answer-letter{background:#f3f6f4;border-radius:10px;flex:none;place-items:center;width:34px;height:34px;font-size:12px;font-weight:800;display:grid}.answer-button>span:nth-child(2){font-size:14px;font-weight:600}.answer-button>b{border-radius:50%;place-items:center;width:27px;height:27px;margin-left:auto;font-size:18px;display:grid}.answer-button.correct{background:#effbf7;border-color:#5bc19f}.answer-button.correct .answer-letter,.answer-button.correct>b{background:var(--brand);color:#fff}.answer-button.wrong{background:var(--danger-soft);border-color:#e99b91}.answer-button.wrong .answer-letter,.answer-button.wrong>b{background:var(--danger);color:#fff}.coach-card{background:var(--subject-soft);border-radius:22px;min-height:270px;padding:27px;position:sticky;top:20px}.coach-card.mistake{background:var(--danger-soft)}.coach-face{width:49px;height:49px;color:var(--subject);background:#fff;border-radius:15px;place-items:center;margin-bottom:20px;font-family:Unbounded;font-size:21px;display:grid;box-shadow:0 7px 18px #18302d14}.coach-card.mistake .coach-face{color:var(--danger)}.coach-card h2{margin:5px 0 11px;font-family:Unbounded;font-size:18px;line-height:1.35}.coach-card p{color:#506762;margin:0 0 17px;font-size:13px;line-height:1.65}.coach-card>small{color:var(--muted);font-size:10px;line-height:1.5}.feedback-label{color:var(--subject);text-transform:uppercase;letter-spacing:.12em;font-size:9px;font-weight:800}.mistake .feedback-label{color:var(--danger)}.coach-card .wrong-reason{color:var(--danger);font-weight:700}.explanation-box{color:#506762;background:#fff;border-radius:12px;margin:14px 0 20px;padding:13px;font-size:11px;line-height:1.55}.explanation-box strong{color:var(--ink);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px;font-size:9px;display:block}.coach-card .primary-button{width:100%;min-height:46px;font-size:11px}.result-page{max-width:1064px;margin:48px auto 80px;padding:0 28px}.result-hero{justify-content:center;align-items:center;gap:36px;padding:20px 0 50px;display:flex}.result-hero h1{letter-spacing:-.045em;max-width:590px;margin:4px 0 10px;font-family:Unbounded;font-size:clamp(28px,4vw,48px);line-height:1.15}.result-hero p{color:var(--muted)}.status-orbit{border:14px solid var(--brand-soft);border-top-color:var(--brand);text-align:center;border-radius:50%;flex:none;place-content:center;width:160px;height:160px;display:grid;transform:rotate(-10deg)}.status-orbit>*{transform:rotate(10deg)}.status-orbit span{font-family:Unbounded;font-size:31px}.status-orbit small{color:var(--muted);text-transform:uppercase;letter-spacing:.09em;font-size:9px}.status-almost{border-top-color:#e7af24}.status-repeat{border-top-color:var(--danger)}.status-pill{background:var(--brand-soft);color:var(--brand-dark);border-radius:10px;gap:7px;padding:7px 12px;font-size:11px;font-weight:800;display:inline-flex}.result-grid{grid-template-columns:1.5fr .5fr;align-items:start;gap:22px;display:grid}.report-card,.next-card{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:22px;padding:28px}.card-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:start;gap:15px;padding-bottom:22px;display:flex}.card-heading h2,.next-card h2{margin:0;font-family:Unbounded;font-size:19px}.parent-badge{background:var(--brand-soft);color:var(--brand-dark);border-radius:8px;padding:7px 9px;font-size:8px;font-weight:800}.report-stats{grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0;display:grid}.report-stats>div{background:#f6f8f6;border-radius:12px;gap:5px;padding:13px;display:grid}.report-stats span,.report-row>span{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:9px}.report-stats strong{font-family:Unbounded;font-size:14px}.report-row{border-top:1px solid var(--line);justify-content:space-between;gap:20px;padding:14px 0;font-size:12px;display:flex}.report-row>strong{text-align:right}.report-row.difficulties{align-items:start}.difficulties>div{flex-wrap:wrap;justify-content:end;gap:6px;display:flex}.difficulties b{background:#fff3d2;border-radius:7px;padding:5px 8px;font-size:10px}.difficulties em{color:var(--brand);font-size:11px;font-style:normal}.report-note{background:var(--subject-soft);color:var(--muted);border-radius:11px;margin:10px 0 0;padding:13px;font-size:10px;line-height:1.55}.sequence-task{gap:15px;display:grid}.sequence-line{background:#f4f8f6;border:2px dashed #cbdad4;border-radius:15px;flex-wrap:wrap;align-items:center;gap:8px;min-height:86px;padding:14px;display:flex}.sequence-line em{width:100%;color:var(--muted);text-align:center;font-size:13px}.sequence-line span{border:1px solid var(--line);background:#fff;border-radius:11px;align-items:center;gap:8px;padding:9px 11px;font-size:12px;display:inline-flex}.sequence-line span b{background:var(--brand-soft);width:21px;height:21px;color:var(--brand-dark);border-radius:7px;place-items:center;font-size:10px;display:grid}.sequence-line.correct{border-style:solid;border-color:var(--brand);background:#effaf5}.sequence-line.wrong{border-style:solid;border-color:var(--danger);background:#fff4ef}.sequence-options{grid-template-columns:repeat(2,1fr);gap:9px;display:grid}.sequence-options button{border:1px solid var(--line);color:var(--ink);cursor:pointer;background:#fff;border-radius:11px;padding:12px;font-weight:700}.sequence-options button:disabled{opacity:.4;cursor:default}.sequence-actions{justify-content:space-between;gap:10px;display:flex}.sequence-actions button{min-height:43px}.classification-task{gap:8px;display:grid}.classification-head,.classification-row{grid-template-columns:minmax(180px,1fr) repeat(2,92px);align-items:center;gap:8px;display:grid}.classification-head{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;padding:0 10px 5px;font-size:9px}.classification-head b{text-align:center}.classification-row{border:1px solid var(--line);background:#fff;border-radius:12px;padding:9px 10px}.classification-row>strong{font-size:12px}.classification-row button{height:35px;color:var(--muted);cursor:pointer;background:#f5f8f7;border:1px solid #d9e5e0;border-radius:9px}.classification-row button.selected{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);font-weight:900}.classification-row.correct{border-color:var(--brand);background:#effaf5}.classification-row.wrong{border-color:var(--danger);background:#fff4ef}.classification-check{justify-self:end;margin-top:7px}.next-card{text-align:center}.next-icon{background:var(--accent);border-radius:16px;place-items:center;width:54px;height:54px;margin:0 auto 18px;font-size:24px;display:grid;transform:rotate(5deg)}.next-card p{color:var(--muted);font-size:11px;line-height:1.65}.next-card button{width:100%;margin-top:8px;font-size:10px}@media (width<=900px){.topbar nav{display:none}.hero{text-align:center;grid-template-columns:1fr;padding-top:45px}.hero-copy{justify-items:center;display:grid}.hero-visual{height:330px}.trainer-section{margin:0 18px 70px}.lesson-builder,.question-layout,.result-grid{grid-template-columns:1fr}.coach-card{position:static}.parent-section{grid-template-columns:1fr 1fr;margin:0 18px 70px}.parent-section>div:first-child{text-align:center;grid-column:1/-1}.parent-section>div:first-child p{margin-left:auto;margin-right:auto}}@media (width<=640px){.topbar,.quiz-header{height:70px;padding:0 17px}.brand,.logo-button{font-size:16px}.brand-mark{width:33px;height:33px;font-size:14px}.profile{background:0 0;border:0}.profile div,.profile>b{display:none}.hero{min-height:auto;padding:45px 20px 30px}.hero h1{font-size:38px}.hero-copy>p{font-size:15px}.hero-visual{margin:-15px -20px;transform:scale(.84)}.trainer-section{border-radius:22px;padding:25px 17px}.section-heading{display:block}.usage{width:100%;margin-top:18px}.value-message{grid-template-columns:auto 1fr}.value-message button{grid-column:1/-1;width:100%}.access-dates,.retention-card{flex-direction:column;align-items:flex-start}.subject-tabs{grid-template-columns:1fr}.subject-tabs button{min-height:52px}.lesson-form{grid-template-columns:1fr}.lesson-preview{align-items:flex-start}.preview-time{display:none}.how-section{padding:0 20px}.steps{grid-template-columns:1fr 1fr}.steps article,.steps article+article{border-right:0;min-height:155px;padding:22px 15px 15px 0}.steps article:nth-child(2n){border-left:1px solid var(--line);padding-left:15px}.parent-section{grid-template-columns:1fr;margin:0 16px 55px;padding:28px 20px}.history-section{margin:0 16px 55px;padding:22px 16px}.parent-section>div:first-child{grid-column:auto}footer{padding:22px 18px}footer p{display:none}.lesson-crumb{max-width:155px}.lesson-crumb small{text-overflow:ellipsis;white-space:nowrap;max-width:100px;overflow:hidden}.exit-button{padding:8px 10px;font-size:11px}.progress-wrap{padding:0 18px}.question-layout{margin:35px auto;padding:0 18px}.question-main h1{font-size:24px}.answer-button{min-height:58px;padding:9px 11px}.answer-button>span:nth-child(2){font-size:12px}.coach-card{padding:22px}.result-page{margin-top:30px;padding:0 17px}.result-hero{text-align:center;justify-items:center;gap:23px;display:grid}.status-orbit{border-width:12px;width:135px;height:135px}.report-card,.next-card{padding:20px}.card-heading{display:block}.parent-badge{margin-top:12px;display:inline-block}.report-stats{gap:6px}.report-stats>div{padding:10px 7px}.report-stats strong{font-size:11px}.report-row{display:grid}.report-row>strong{text-align:left}.sequence-options{grid-template-columns:1fr}.sequence-actions{display:grid}.classification-task{padding-bottom:4px;overflow-x:auto}.classification-head,.classification-row{min-width:470px}.difficulties>div{justify-content:start}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@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}