/*! tailwindcss v4.3.3 | 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)))){*,::backdrop,:after,:before{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:host,:root{--font-mono:var(--font-mono);--radius-sm:.25rem;--radius-md:.375rem;--default-font-family:var(--font-inter);--default-mono-font-family:var(--font-mono)}}@layer base{*,::backdrop,:after,:before{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}:host,html{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","Noto Sans",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:var(--default-mono-font-family,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}menu,ol,ul{list-style:none}audio,canvas,embed,iframe,img,object,svg,video{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,optgroup,select,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,::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-millisecond-field,::-webkit-datetime-edit-second-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,::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.block{display:block}.contents{display:contents}.hidden{display:none}.inline{display:inline}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.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{--blue:#2f4bff;--lime:#c8f560;--paper:#f4f1e9;--ink:#111;--white:#fff;--bg:var(--paper);--canvas:var(--paper);--surface:var(--white);--text:var(--ink);--muted:#686861;--faint:#77776f;--line:#dfded7;--accent:var(--blue);--error:#b52f25;--error-surface:#fbeae4;--selection:#ebeeff;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--space-12:48px;--space-16:64px;--radius-sm:12px;--radius-md:20px;--radius-lg:32px;--shadow-control:2px 3px 0 var(--ink);--duration:.2s;--ease:cubic-bezier(.2,.7,.2,1);--viewport-height:100dvh;--viewport-top:0px}:root[data-theme=dark]{--bg:#0f0f10;--canvas:#0f0f10;--surface:#1a1a1c;--text:#f5f5f3;--muted:#a5a5a0;--faint:#a5a5a0;--line:#333336;--selection:#202945;--error:#ff9d8d;--error-surface:#351e1e;color-scheme:dark}*{box-sizing:border-box}body,html{overscroll-behavior:none;height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font-inter),Arial,sans-serif;-webkit-font-smoothing:antialiased;font-size:16px}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.04em;font-weight:700}button,input,select,textarea{font:inherit;color:inherit}a,button,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;background:0 0;border:0}button:disabled{cursor:not-allowed}a{color:inherit;text-decoration:none}a,button{transition:background var(--duration),color var(--duration),transform var(--duration),border-color var(--duration)}button:active:not(:disabled){transform:translateY(1px)}:focus-visible{outline:3px solid var(--blue);outline-offset:3px}::selection{background:var(--lime);color:var(--ink)}.eyebrow,.muted{color:var(--muted)}.eyebrow{letter-spacing:0;font-size:10px;font-weight:600;line-height:16px}.primary,.secondary{border-radius:var(--radius-sm);border:1px solid var(--ink);justify-content:center;align-items:center;gap:12px;min-height:52px;padding:12px 20px;font-size:14px;font-weight:600;display:inline-flex}.primary{color:var(--white);background:var(--blue);box-shadow:var(--shadow-control)}.primary:hover{background:#2641e7}.secondary{background:var(--surface);color:var(--text)}.secondary:hover{border-color:var(--blue)}.primary:disabled,.secondary:disabled{background:var(--line);color:var(--muted);box-shadow:none;border-color:#0000}.primary:active:not(:disabled){box-shadow:1px 1px 0 var(--ink);transform:translate(1px,2px)}.text-button,.text-link{align-items:center;gap:8px;min-height:44px;padding:8px;font-size:13px;display:inline-flex}.text-button:hover,.text-link{color:var(--blue)}.danger{color:var(--error)}.danger-button{background:var(--error);color:var(--white)}.icon-button{border-radius:var(--radius-sm);width:40px;height:40px;color:var(--muted);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.icon-button:hover{background:var(--selection);color:var(--blue)}.icon-button:disabled{opacity:.4}.wordmark{letter-spacing:-1.1px;align-items:center;gap:8px;font-size:28px;font-weight:700;line-height:1;display:inline-flex}.dream-mark{flex-shrink:0;display:inline-flex}.dream-mark img{object-fit:contain;width:100%;height:100%}.state-composing,.state-searching,.state-shaping,.state-thinking{animation:orb-breathe 2s ease-in-out infinite}.activity{align-items:center;gap:10px;min-height:40px;margin-bottom:24px;display:flex}.activity>span:not(.dream-mark):not(.activity-dots){gap:3px;display:grid}.activity strong{font-size:14px;font-weight:600;line-height:18px}.activity small{color:var(--muted);font-size:11px;line-height:16px}.activity-dots{color:var(--blue);letter-spacing:3px;margin-left:auto;font-size:22px;animation:orb-breathe 1.5s ease-in-out infinite}.activity-error small{color:var(--error)}@keyframes orb-breathe{50%{opacity:.8;transform:scale(.96)}}.app-shell{left:0;top:var(--viewport-top);width:100%;height:var(--viewport-height);display:flex;position:fixed;overflow:hidden}.sidebar{background:var(--surface);flex-direction:column;flex-shrink:0;width:224px;padding:26px 16px 24px;display:flex}.sidebar>.wordmark{margin-bottom:34px}.sidebar .new-conversation{width:192px;margin-bottom:32px;font-size:14px}.primary-nav{flex-direction:column;flex:1;gap:8px;display:flex}.primary-nav>a{border-radius:12px;align-items:center;gap:12px;min-height:48px;padding:12px;font-size:14px;display:flex}.primary-nav>a[aria-current=page]{background:var(--blue);color:var(--white)}.primary-nav>a:hover:not([aria-current]){background:var(--canvas)}.primary-nav>a:last-child{margin-top:auto}.primary-nav small{margin-left:auto}.sidebar-account{gap:4px;margin-top:24px}.account-link,.sidebar-account{align-items:center;display:flex}.account-link{flex:1;gap:12px;min-width:0}.avatar{background:var(--lime);color:var(--ink);border-radius:999px;flex-shrink:0;place-items:center;width:40px;height:40px;font-weight:600;display:grid}.account-link strong{font-size:14px;font-weight:600;line-height:20px;display:block}.account-link small{color:var(--muted);margin-top:3px;font-size:11px;line-height:16px;display:block}.sidebar .account-link small{max-width:110px}.sidebar .account-link>svg{display:none}.sidebar-account>.icon-button{width:28px}.workspace{flex-direction:column;flex:1;min-width:0;display:flex}.workspace-header{flex-shrink:0;justify-content:space-between;align-items:center;height:96px;padding:0 48px;display:flex}.topbar-controls,.topbar-left{align-items:center;gap:12px;display:flex}.topbar-left strong{text-overflow:ellipsis;white-space:nowrap;max-width:60vw;font-size:16px;font-weight:700;overflow:hidden}.desktop-header-label{color:var(--muted);font-size:12px;font-weight:600}.workspace-header .icon-button{background:var(--surface)}.mobile-brand,.mobile-menu,.workspace-header.home-topbar .topbar-controls{display:none}.back-button svg{transform:rotate(180deg)}.workspace-main{scrollbar-width:thin;flex:1;min-height:0;overflow:auto}.skip-link{z-index:1000;background:var(--blue);color:var(--white);padding:14px;position:fixed;top:-80px;left:16px}.skip-link:focus{top:8px}.boot{min-height:var(--viewport-height);justify-content:center;align-items:center;padding:32px;display:flex}.boot-error{gap:16px;max-width:440px;display:grid}.error{color:var(--error);font-size:13px;line-height:1.7}.chat-view{flex-direction:column;height:100%;display:flex}.chat-scroll{overscroll-behavior:contain;scrollbar-width:thin;flex:1;min-height:0;overflow:auto}.home-content{max-width:1600px;margin:auto;padding:14px 48px 32px}.home-hero{margin-bottom:48px;position:relative}.home-hero>.eyebrow{display:none}.home-hero h1{letter-spacing:-.04em;font-size:72px;font-weight:700;line-height:1.04}.home-hero mark{color:var(--ink);background:var(--lime);border-radius:12px;margin-top:4px;margin-left:-12px;padding:0 12px 6px;line-height:1;display:inline-block}.home-hero>.dream-mark{position:absolute;top:28px;right:0;width:152px!important;height:152px!important}.home-subtitle{color:var(--muted);margin-top:12px;font-size:16px;line-height:24px}.home-columns{grid-template-columns:minmax(0,1fr) 248px;gap:32px;display:grid}.quick-actions{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.quick-action{text-align:left;border-radius:20px;flex-direction:column;min-height:132px;padding:16px;display:flex;position:relative}.quick-action:hover{transform:translateY(-2px)}.quick-icons{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.quick-action strong{letter-spacing:-.01em;font-size:18px;font-weight:600;line-height:24px}.quick-action small{margin-top:4px;font-size:12px;line-height:18px}.action-blue{background:var(--blue);color:var(--white)}.action-blue .quick-icons{color:#b2bdff}.action-lime{background:var(--lime);color:var(--ink)}.action-lime .quick-icons{color:#46691a}.action-practice{background:var(--surface);color:var(--text)}.mobile-copy{display:none}.home-tools{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:24px;display:grid}.home-tools>button{border:1px solid var(--line);text-align:left;border-radius:12px;flex-direction:column;align-items:flex-start;gap:16px;min-height:96px;padding:16px;font-size:14px;display:flex}.home-tools>button>svg{color:var(--blue)}.home-tools>button:hover{border-color:var(--blue);background:var(--surface)}.home-personal{border-left:1px solid var(--line);padding-left:24px}.home-personal section+section{border-top:1px solid var(--line);margin-top:24px;padding-top:24px}.home-personal .eyebrow{font-size:11px}.home-personal h2{margin-top:12px;font-size:32px;line-height:40px}.home-personal p:not(.eyebrow){color:var(--muted);margin-top:12px;font-size:12px;line-height:20px}.home-personal a:not(.home-recent){color:var(--blue);align-items:center;gap:4px;min-height:28px;margin-top:16px;font-size:12px;font-weight:500;display:flex}.home-recent{margin-top:18px;display:block}.home-recent strong{font-size:14px;font-weight:600;line-height:20px;display:block}.home-recent small{color:var(--muted);margin-top:5px;font-size:11px;display:block}.composer-area{flex-shrink:0;width:100%;max-width:860px;margin:0 auto;padding:16px 32px 24px;position:relative}.is-empty .composer-area{max-width:none;padding:16px 342px 24px 64px}.composer{background:var(--surface);border:1px solid var(--ink);box-shadow:var(--shadow-control);min-height:112px;transition:border-color var(--duration);border-radius:20px;padding:12px}.composer:focus-within{border-color:var(--blue)}.composer textarea{resize:none;background:0 0;border:0;outline:none;width:100%;min-height:26px;max-height:180px;padding:0;font-size:14px;line-height:22px;display:block}.composer textarea::placeholder{color:var(--muted)}.composer textarea:focus-visible{outline:none}.composer-controls,.composer-controls>div{align-items:center;display:flex}.composer-controls{justify-content:space-between;margin-top:16px}.composer-controls>div{gap:4px}.composer-controls .icon-button{width:24px;height:36px}.composer-hint{color:var(--muted);white-space:nowrap;font-size:12px}.send-button{background:var(--blue);color:var(--white);border-radius:12px;place-items:center;width:36px;height:36px;display:grid}.send-button:disabled{background:var(--line);color:var(--muted)}.stop-button{background:var(--ink);color:var(--white)}.composer-footnote{color:var(--muted);text-align:center;margin-top:12px;font-size:9px;line-height:14px}.attachment-list:not(:empty){gap:8px;margin-bottom:12px;display:grid}.attachment-chip{border:1px solid var(--line);background:var(--surface);border-radius:12px;align-items:center;gap:12px;min-height:64px;padding:12px;display:flex}.attachment-icon{background:var(--selection);width:40px;height:40px;color:var(--blue);border-radius:12px;flex-shrink:0;place-items:center;display:grid;overflow:hidden}.attachment-icon img{object-fit:cover}.attachment-info{flex:1;min-width:0}.attachment-info strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:600;line-height:20px;display:block;overflow:hidden}.attachment-info small{color:var(--muted);font-size:11px;line-height:16px;display:block}.attachment-chip .icon-button{width:32px;height:36px}.attachment-chip.error .attachment-icon{background:var(--error-surface)}.attachment-chip.error small{color:var(--error)}.file-card{background:var(--surface);border-radius:20px;padding:20px}.file-card h2{margin:16px 0;font-size:18px;line-height:26px}.file-card p{color:var(--muted);margin-bottom:16px;font-size:14px;line-height:22px}.file-card .primary{width:100%}.home-file{max-width:700px;padding:0 48px 24px}.message-thread{max-width:840px;margin:auto;padding:24px 32px 36px}.message{margin-bottom:32px;animation:appear .2s ease-out}.message-user{background:var(--lime);width:fit-content;max-width:82%;color:var(--ink);border-radius:20px;margin-left:auto;padding:16px 20px}.message-user .markdown{font-size:16px;line-height:22px}.message-assistant{background:0 0}.message-files{flex-wrap:wrap;gap:8px;margin-bottom:12px;font-size:12px;display:flex}.message-files span{align-items:center;gap:6px;display:flex}.message-actions{gap:4px;margin-top:8px;display:flex}.message-actions .icon-button{width:32px;height:32px}.step-action{background:var(--surface);text-align:left;border-radius:12px;align-items:center;gap:12px;width:100%;min-height:44px;margin-top:20px;padding:12px 16px;font-size:13px;font-weight:500;display:flex}.step-action>svg:first-child{color:var(--blue)}.step-action>svg:last-child{margin-left:auto}.step-action:hover{background:var(--selection)}.markdown{overflow-wrap:anywhere;font-size:16px;line-height:1.55}.markdown>*+*{margin-top:16px}.markdown h1{margin-top:24px;font-size:30px;line-height:1.2}.markdown h2{margin:24px 0 12px;font-size:24px;line-height:1.3}.markdown h3{margin:20px 0 8px;font-size:18px;line-height:1.4}.markdown strong{font-weight:600}.markdown ol,.markdown ul{list-style:revert;padding-left:24px}.markdown li+li{margin-top:8px}.markdown blockquote{border-left:3px solid var(--lime);color:var(--muted);padding-left:16px}.markdown a{text-underline-offset:3px;color:var(--blue);text-decoration:underline}.markdown table{border-collapse:collapse;max-width:100%;font-size:14px;display:block;overflow:auto}.markdown td,.markdown th{border-bottom:1px solid var(--line);text-align:left;padding:12px}.markdown :not(pre)>code,.markdown th{background:var(--surface)}.markdown :not(pre)>code{font-family:var(--font-mono),monospace;border-radius:4px;padding:2px 5px;font-size:.86em}.code-block{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}.code-toolbar{border-bottom:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;padding:10px 16px;font-size:11px;display:flex}.code-toolbar button{align-items:center;gap:6px;min-height:28px;display:flex}.code-block pre{font-family:var(--font-mono),monospace;padding:16px;font-size:13px;line-height:1.7;overflow:auto}.code-language{color:var(--muted);margin-bottom:8px;font-size:10px;display:block}.math-block{color:var(--blue);margin:24px 0;display:block}.math-block .katex-display{text-align:left;margin:0;padding:4px 0;overflow:auto hidden}.math-block .katex-display>.katex{text-align:left;font-size:1.5em}.math-explanation,.math-label{color:var(--muted);margin:8px 0;font-size:12px}.katex-display{max-width:100%;overflow:auto}:root[data-theme=dark] .math-block{color:var(--lime)}.quiz-widget{background:var(--surface);border-radius:20px;align-items:center;gap:16px;margin-top:20px;padding:20px;display:flex}.quiz-icon{background:var(--lime);width:44px;height:44px;color:var(--ink);border-radius:12px;flex-shrink:0;place-items:center;display:grid}.quiz-widget>span:nth-child(2){flex:1}.quiz-widget small{color:var(--blue);font-size:10px;font-weight:600;display:block}.quiz-widget strong{margin:6px 0;font-size:16px;line-height:22px;display:block}.quiz-widget span>span{color:var(--muted);font-size:12px}.jump-bottom{background:var(--text);color:var(--bg);border-radius:12px;align-items:center;gap:8px;padding:10px 14px;font-size:12px;display:flex;position:absolute;bottom:100%;left:50%;transform:translate(-50%)}.chat-loading{place-items:center;min-height:200px;display:grid}.chat-error{background:var(--error-surface);border-radius:20px;gap:16px;margin-bottom:16px;padding:20px;display:grid}.chat-error p{font-size:14px;line-height:22px}.chat-error button{background:var(--surface);border:1px solid var(--ink);border-radius:12px;justify-content:center;align-items:center;gap:8px;min-height:44px;font-size:14px;display:flex}.stop-response{width:100%;margin-top:16px}.stop-response:hover{background:var(--surface)}.personal-page,.test-page{max-width:860px;margin:auto;padding:24px 48px 64px}.personal-page h1{margin:12px 0 24px;font-size:40px;line-height:1.1}.page-intro{color:var(--muted);margin:16px 0 24px;font-size:14px;line-height:22px}.recents-page>.eyebrow{color:var(--blue)}.recents-search{background:var(--surface);min-height:48px;color:var(--muted);border-radius:12px;align-items:center;gap:12px;margin:24px 0;padding:12px 16px;display:flex}.recents-search input{background:0 0;border:0;flex:1;min-width:0;padding:0}.recents-tabs{gap:8px;margin-bottom:24px;display:flex}.recents-tabs a{background:var(--surface);border-radius:999px;padding:8px 14px;font-size:12px}.recents-tabs a[aria-current]{background:var(--blue);color:var(--white)}.conversation-row{border-bottom:1px solid var(--line);align-items:center;min-height:76px;display:flex;position:relative}.conversation-row>a{flex:1;align-items:center;gap:12px;min-width:0;padding:12px 0;display:flex}.recent-icon{background:var(--surface);width:40px;height:40px;color:var(--blue);border-radius:12px;flex-shrink:0;place-items:center;display:grid}.conversation-row>a>span:last-child{min-width:0}.conversation-row strong{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;line-height:20px;display:block;overflow:hidden}.conversation-row small{color:var(--muted);margin-top:4px;font-size:11px;display:block}.row-menu{z-index:40;background:var(--surface);border:1px solid var(--line);border-radius:12px;min-width:145px;padding:6px;position:absolute;top:55px;right:0;box-shadow:0 4px 12px #0001}.row-menu button{text-align:left;border-radius:8px;width:100%;padding:12px;font-size:13px;display:block}.row-menu button:hover{background:var(--canvas)}.empty-state{color:var(--muted);padding:24px 0;font-size:14px;line-height:22px}.settings-account{background:var(--surface);border-radius:20px;align-items:center;gap:16px;margin-bottom:28px;padding:16px;display:flex}.settings-account .avatar{width:56px;height:56px;font-size:24px}.settings-account strong{font-size:16px;display:block}.settings-account p{color:var(--muted);overflow-wrap:anywhere;margin-top:6px;font-size:12px}.settings-group{margin:28px 0}.settings-group h2{color:var(--muted);letter-spacing:0;text-transform:uppercase;margin-bottom:12px;font-size:10px;font-weight:600;line-height:16px}.settings-row{background:var(--surface);border-radius:12px;justify-content:space-between;align-items:center;gap:16px;min-height:52px;margin-bottom:8px;padding:16px;display:flex}.settings-row strong{font-size:14px;font-weight:500;line-height:20px}.settings-row p{color:var(--muted);margin-top:4px;font-size:12px;line-height:18px}.switch{flex-shrink:0;width:44px;height:44px;position:relative}.switch:before{content:"";background:var(--line);width:44px;height:26px;transition:background var(--duration);top:9px;left:0}.switch:before,.switch>span{border-radius:999px;position:absolute}.switch>span{background:var(--white);width:18px;height:18px;transition:transform var(--duration);top:13px;left:4px}.switch[aria-checked=true]:before{background:var(--blue)}.switch[aria-checked=true]>span{transform:translate(18px)}.theme-options{background:var(--canvas);border-radius:12px;gap:4px;padding:4px;display:flex}.theme-options button{border-radius:8px;align-items:center;gap:6px;min-height:36px;padding:8px;font-size:11px;display:flex}.theme-options button[aria-pressed=true]{background:var(--surface);color:var(--blue)}.save-status{color:var(--muted);align-items:center;gap:8px;font-size:12px;display:flex}.progress-empty{background:var(--surface);border-radius:20px;margin-top:32px;padding:24px}.progress-empty>.dream-mark{margin-bottom:20px}.progress-empty h2{margin-bottom:16px;font-size:24px;line-height:30px}.progress-empty p{color:var(--muted);margin-bottom:16px;font-size:14px;line-height:22px}.progress-page>.eyebrow{color:var(--blue)}.test-topline{display:none}.test-title{margin-bottom:24px}.test-title h1{margin-top:12px;font-size:20px;line-height:28px}.test-title .eyebrow{color:var(--blue);text-transform:uppercase}.test-progress{grid-template-columns:1fr auto;align-items:center;gap:12px;margin:12px 0 28px;display:grid}.test-progress>span{grid-area:1/2;font-size:12px}.test-progress>div{background:var(--line);border-radius:2px;grid-area:1/1;height:4px;overflow:hidden}.test-progress i{background:var(--blue);height:100%;transition:width var(--duration);display:block}.question-prompt .markdown{letter-spacing:-.03em;margin-bottom:24px;font-size:24px;font-weight:700;line-height:1.15}.question-prompt .math-block{margin:20px 0;font-weight:500}.question>.muted{margin-bottom:16px;font-size:12px}.test-options{border:0;gap:12px;margin:0;padding:0;display:grid}.test-option{border:1px solid var(--line);background:var(--surface);cursor:pointer;min-height:64px;transition:background var(--duration),border-color var(--duration);border-radius:12px;align-items:center;gap:12px;padding:16px;display:flex;position:relative}.test-option input{opacity:0;width:1px;height:1px;position:absolute}.test-option:focus-within{outline:3px solid var(--blue);outline-offset:3px}.test-option .markdown{font-size:14px;line-height:22px}.option-index{background:var(--canvas);width:28px;height:28px;color:var(--text);border-radius:8px;flex-shrink:0;place-items:center;font-size:12px;font-weight:600;display:grid}.test-option.selected{background:var(--selection);border-color:var(--blue)}.test-option.selected .option-index{background:var(--blue);color:var(--white)}.test-option.correct{background:var(--lime);color:var(--ink);border-color:#8fc338}.test-option.correct .option-index{background:var(--white);color:var(--ink)}.test-option.incorrect{background:var(--error-surface);border-color:var(--error)}.answer-indicator{flex-shrink:0;margin-left:auto}.written-answer>span{color:var(--muted);margin-bottom:12px;font-size:12px;display:block}.written-answer textarea,input,select{background:var(--surface);border:1px solid var(--line);border-radius:12px;width:100%;padding:14px 16px;font-size:16px}.written-answer textarea{resize:vertical;line-height:1.7}.matching-options{gap:16px;display:grid}.matching-options label{grid-template-columns:1fr 1fr;align-items:center;gap:16px;display:grid}.answer-feedback{background:var(--error-surface);border:1px solid var(--error);border-radius:12px;margin-top:24px;padding:16px;font-size:14px;line-height:22px}.answer-feedback.correct{background:var(--lime);color:var(--ink);border-color:#0000}.answer-feedback strong{margin-bottom:8px;font-size:14px;display:block}.answer-feedback .markdown{font-size:13px}.test-navigation{justify-content:space-between;align-items:center;gap:12px;margin-top:24px;display:flex}.test-navigation>div{flex-wrap:wrap;justify-content:flex-end;gap:12px;display:flex}.test-note{text-align:center;color:var(--muted);margin-top:20px;font-size:11px;line-height:16px}.test-page>.error,.test-page>.muted{margin-top:16px;font-size:12px}.result-heading{background:var(--blue);color:var(--white);border-radius:32px;margin:0 0 24px;padding:24px;display:block}.result-heading h1{color:var(--lime);letter-spacing:-.04em;margin-bottom:16px;font-size:64px;line-height:1}.result-heading h1 span{font-size:inherit;color:var(--lime)}.result-heading h2{letter-spacing:-.02em;font-size:22px;line-height:28px}.result-heading p{color:#fff;margin-top:12px;font-size:12px;line-height:18px}.result-page>.eyebrow{color:var(--blue);margin-bottom:16px}.result-concepts{grid-template-columns:1fr 1fr;gap:24px;margin:24px 0;display:grid}.result-concepts h3{letter-spacing:0;margin-bottom:12px;font-size:14px}.result-concepts ul{gap:8px;padding:0;list-style:none;display:grid}.result-concepts li{align-items:flex-start;gap:8px;font-size:12px;line-height:18px;display:flex}.result-concepts svg{flex-shrink:0}.result-actions{gap:12px;margin:24px 0;display:grid}.result-actions>.primary{width:100%}.result-review h2{margin:24px 0 16px;font-size:22px}.result-review details{background:var(--surface);border-radius:12px;margin-bottom:12px;padding:16px}.result-review summary{cursor:pointer;align-items:flex-start;gap:12px;font-size:14px;line-height:20px;list-style:none;display:flex}.result-review summary>span:nth-child(2){flex:1}.review-index{color:var(--blue);font-size:10px}.correct-text{color:var(--muted);font-size:10px}.result-review details>div{color:var(--muted);padding-top:16px;font-size:13px;line-height:22px}.result-review details>div p{margin-bottom:12px}.result-review .markdown{font-size:13px}.modal-backdrop{inset:0;top:var(--viewport-top);height:var(--viewport-height);z-index:100;background:#1115;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;bottom:auto}.modal{background:var(--canvas);border-radius:20px;width:100%;max-width:440px;max-height:100%;padding:24px;overflow:auto}.modal h2{margin-bottom:20px;font-size:24px}.modal p{color:var(--muted);font-size:14px;line-height:22px}.modal-actions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.sheet-backdrop{background:#1114;align-items:flex-end;padding:0}.bottom-sheet{max-width:520px;padding:12px 16px max(24px,env(safe-area-inset-bottom));border-radius:32px 32px 0 0;animation:sheet-enter .28s cubic-bezier(.16,1,.3,1)}.sheet-handle{background:var(--line);border-radius:999px;width:40px;height:4px;margin:0 auto 12px}.sheet-brand{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.sheet-brand .wordmark{font-size:26px}.sheet-new{width:100%;margin-bottom:20px}.sheet-nav{gap:8px;display:grid}.sheet-nav>a{background:var(--surface);border-radius:12px;align-items:center;gap:12px;min-height:48px;padding:12px;font-size:14px;display:flex}.sheet-nav>a[aria-current]{background:var(--blue);color:var(--white)}.sheet-nav small{color:var(--muted);margin-left:auto}.sheet-account{border-top:1px solid var(--line);margin-top:20px;padding-top:20px}.sheet-account .account-link>svg{margin-left:auto}.toast-position{bottom:max(24px,env(safe-area-inset-bottom));z-index:150;width:358px;max-width:calc(100% - 32px);position:fixed;left:50%;transform:translate(-50%)}.toast{background:var(--ink);color:var(--white);border-radius:12px;align-items:center;gap:12px;min-height:52px;padding:12px 16px;font-size:13px;display:flex}.toast>svg{color:var(--lime);flex-shrink:0}.toast>span{flex:1}.toast>button:not(.icon-button){font-size:12px;font-weight:600}.toast-error{background:var(--error-surface)}.toast-error,.toast-error>svg{color:var(--error)}.toast .icon-button{width:28px;height:28px;color:inherit}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}@keyframes appear{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes sheet-enter{0%{transform:translateY(100%)}to{transform:translateY(0)}}.login{min-height:var(--viewport-height);background:var(--canvas);flex-direction:column;padding:40px 48px;display:flex}.login-content{width:100%;max-width:560px;margin:auto;padding:48px 0}.login-content>.dream-mark{margin-bottom:32px}.login-content .eyebrow{margin-bottom:20px}.login h1{letter-spacing:-.04em;font-size:64px;line-height:1.05}.login h1 span{background:var(--lime);color:var(--ink);border-radius:12px}.login-copy{color:var(--muted);margin-top:24px;font-size:16px;line-height:24px}.google-button{background:var(--blue);color:var(--white);border:1px solid var(--ink);box-shadow:var(--shadow-control);border-radius:12px;align-items:center;gap:12px;width:100%;max-width:358px;min-height:52px;margin-top:32px;padding:16px 20px;font-size:14px;font-weight:600;display:flex}.google-button svg:last-child{margin-left:auto}.google-button:disabled{opacity:.6}.login-note{color:var(--muted);margin-top:20px;font-size:12px;display:block}.login .error{margin-top:16px}.login-footer{color:var(--muted);justify-content:space-between;font-size:11px;display:flex}@media (min-width:1600px){.home-hero h1{font-size:80px}.home-content{padding-top:24px}.home-hero{margin-bottom:56px}.composer-area{max-width:960px}.is-empty .composer-area{max-width:1600px}}@media (max-width:1279px) and (min-width:1024px){.home-hero h1{font-size:60px}.home-hero>.dream-mark{width:112px!important;height:112px!important}.home-columns{grid-template-columns:minmax(0,1fr) 190px;gap:24px}.home-content{padding-left:32px;padding-right:32px}.home-personal{padding-left:20px}.quick-action strong{font-size:15px}.is-empty .composer-area{padding-left:48px;padding-right:254px}}@media (max-width:1023px){.sidebar{display:none}.mobile-brand,.mobile-menu{display:inline-flex}.desktop-header-label{display:none}.workspace-header{height:calc(56px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 16px 0}.workspace-header.home-topbar .topbar-controls{gap:8px;display:flex}.home-content{padding:48px 48px 32px}.home-hero>.eyebrow{margin-bottom:24px;display:block}.home-hero h1{font-size:64px;line-height:1.05}.home-hero>.dream-mark{top:0;width:64px!important;height:64px!important}.home-hero{margin-bottom:48px}.home-subtitle{display:none}.home-columns{grid-template-columns:1fr}.home-personal{border-left:0;border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:24px;margin-top:24px;padding:24px 0 0;display:grid}.home-personal section+section{border:0;margin:0;padding:0}.home-personal h2{font-size:24px}.is-empty .composer-area{max-width:900px;padding:16px 48px 28px}.personal-page,.test-page{padding:32px 48px 48px}.home-file{padding-left:48px;padding-right:48px}}@media (max-width:767px){.workspace-header{height:calc(56px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 16px 0}.topbar-left{gap:8px}.workspace-header .wordmark{gap:8px;font-size:26px}.topbar-left strong{max-width:calc(100vw - 120px);font-size:16px}.home-content{padding:28px 16px 24px}.home-hero{margin-bottom:24px}.home-hero>.eyebrow{margin-bottom:20px;font-size:10px;font-weight:500;line-height:16px}.home-hero h1{letter-spacing:0;font-size:40px;line-height:42px}.home-hero mark{border-radius:12px;margin-top:0;margin-left:0;padding:0 4px 4px}.home-hero>.dream-mark{top:-4px;width:32px!important;height:32px!important}.quick-actions{grid-template-columns:1fr 1fr;gap:12px}.quick-action{min-height:132px;padding:16px}.quick-action strong{letter-spacing:-.02em;font-size:18px;line-height:24px}.quick-action small{margin-top:0;font-size:12px;line-height:16px}.quick-icons{margin-bottom:14px}.mobile-copy{display:block}.desktop-copy{display:none}.action-practice{border-radius:12px;flex-direction:row;grid-column:1/-1;align-items:center;gap:12px;min-height:56px;padding:12px 16px;display:flex}.action-practice .quick-icons{display:contents}.action-practice .quick-icons>svg:first-child{color:var(--blue);flex-shrink:0;width:20px;height:20px}.action-practice .quick-icons>svg:last-child{width:16px;position:absolute;right:16px}.action-practice strong{font-size:16px;font-weight:600;line-height:22px}.action-practice small{color:var(--muted);margin:0 24px 0 auto;font-size:11px}.home-tools{grid-template-columns:1fr 1fr;gap:8px 12px;margin-top:12px;display:grid}.home-tools>button{border-radius:12px;flex-direction:row;align-items:center;gap:8px;min-height:44px;padding:8px 12px;font-size:13px}.home-tools>button>svg{width:16px;height:16px;color:var(--text)}.home-tools>button:nth-child(n+3){border:0;min-height:28px;padding:0;font-size:12px}.home-tools>button:nth-child(n+3)>svg{color:var(--blue)}:root[data-theme=dark] .action-practice .quick-icons>svg:first-child,:root[data-theme=dark] .home-tools>button:nth-child(n+3)>svg{color:var(--lime)}.home-personal{display:none}.composer-area,.is-empty .composer-area{padding:12px 16px calc(16px + env(safe-area-inset-bottom));max-width:none}.composer{border-radius:20px;min-height:112px;padding:12px}.composer textarea{font-size:16px;line-height:22px}.composer textarea::placeholder{font-size:14px}.composer-controls .icon-button{width:24px;height:40px;position:relative}.composer-controls .icon-button:after{content:"";position:absolute;inset:-2px -10px}.send-button{width:36px;height:36px;position:relative}.send-button:after{content:"";position:absolute;inset:-4px}.composer-footnote{white-space:normal;margin-top:12px;font-size:9px;line-height:14px}.message-thread{padding:16px 16px 24px}.message-user{border-radius:20px;max-width:calc(100% - 64px);margin-bottom:32px;padding:16px;font-size:16px}.message-user .markdown{font-size:16px;line-height:22px}.message-assistant{margin-bottom:24px}.message-assistant .activity{margin-bottom:28px}.markdown{font-size:16px;line-height:22px}.markdown h2{margin-top:24px;font-size:24px;line-height:30px}.markdown h3{font-size:18px;line-height:24px}.message-actions .icon-button{width:36px;height:36px}.math-block .katex-display>.katex{font-size:1.4em}.code-block pre{font-size:12px}.attachment-chip{min-height:64px;padding:12px}.attachment-info strong{font-size:12px}.attachment-info small{font-size:10px}.attachment-chip .icon-button{width:28px}.home-file{padding:0 16px 24px}.file-card{padding:20px}.personal-page,.test-page{padding:24px 16px calc(32px + env(safe-area-inset-bottom))}.personal-page h1{margin-top:8px;margin-bottom:24px;font-size:32px;line-height:36px}.recents-search{margin-top:24px}.settings-row strong{font-size:14px}.appearance-row{flex-direction:column;align-items:flex-start}.theme-options{justify-content:space-between;width:100%}.theme-options button{flex:1;justify-content:center;min-height:44px}.settings-row .text-button{font-size:12px}.progress-empty{padding:20px}.test-title{margin-bottom:16px}.test-title h1{font-size:18px;line-height:24px}.test-progress{margin:16px 0 24px}.question-prompt .markdown{font-size:26px;line-height:29px}.test-option{gap:12px;min-height:64px;padding:16px}.test-navigation{grid-template-columns:auto 1fr;align-items:center;display:grid}.test-navigation>div{gap:12px;display:grid}.test-navigation .primary,.test-navigation .secondary{width:100%;padding-left:12px;padding-right:12px;font-size:13px}.matching-options label{grid-template-columns:1fr;gap:8px}.test-note{margin-top:20px;font-size:11px}.result-heading{padding:24px}.result-heading h1{font-size:64px}.result-heading h2{font-size:22px}.result-concepts{grid-template-columns:1fr;gap:20px}.result-review summary{gap:8px;font-size:13px}.result-review summary>span:last-child{font-size:10px}.bottom-sheet{max-width:none}.bottom-sheet .wordmark{font-size:26px}.sheet-account{margin-top:20px;padding-top:20px}.toast-position{bottom:calc(24px + env(safe-area-inset-bottom))}.login{padding:24px 16px}.login-content{max-width:420px;padding:48px 0}.login h1{font-size:44px;line-height:1.1}.login-copy{font-size:14px;line-height:22px}.login-footer{font-size:10px}.login-footer span:last-child{display:none}}@media (max-height:600px){.is-empty .home-content{padding-top:16px}.home-hero{margin-bottom:16px}.home-hero>.eyebrow{margin-bottom:12px}.home-hero h1{font-size:32px;line-height:34px}.quick-action{min-height:100px}.home-tools{margin-top:8px}.composer-area{padding-top:8px}.bottom-sheet{max-height:calc(var(--viewport-height) - 16px);overflow:auto}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.test-title{margin:0}.test-title h1{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.test-progress{margin:0 0 28px}.test-progress>.eyebrow{color:var(--blue);text-transform:uppercase;grid-area:1/1}.test-progress>span{font-size:14px;font-weight:600}.test-progress>div{grid-area:2/1/auto/-1}.result-heading>.eyebrow{color:#fff;margin:0 0 20px;font-size:10px}.result-stats{border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:16px;padding:0 0 24px;display:grid}.result-stats div{gap:8px;display:grid}.result-stats strong{font-size:24px;font-weight:600}.result-stats span{color:var(--muted);font-size:12px}@media (max-width:767px){.question-prompt .markdown{color:var(--text);font-size:30px;line-height:34px}.test-progress{margin:0 0 24px}.result-heading h1{margin-bottom:24px;font-size:76px}}@media (min-width:1024px){.workspace-header{height:112px}.home-content{padding-top:6px}.home-hero h1{letter-spacing:0}.home-hero mark{margin-left:0}.is-empty .composer-area{padding-bottom:56px}}@media (min-width:768px) and (max-width:1023px){.home-content{padding-top:72px}.home-hero h1{letter-spacing:0}.home-hero mark{margin-left:0;padding-left:8px;padding-right:8px}.home-hero>.eyebrow{margin-bottom:40px}.home-tools{margin-top:48px}.home-tools>button{background:var(--surface);border:0;min-height:82px;font-size:13px;font-weight:600}.home-personal{grid-template-columns:2fr 1fr}.home-personal section:first-child{order:2}.home-personal section:last-child{order:1}.is-empty .composer-area{padding-left:64px;padding-right:64px}.mobile-copy{display:block}.desktop-copy{display:none}}.math-block{font-size:32px;line-height:1.2}.math-block .katex-display>.katex{font-size:1em}.markdown h3.learning-step{color:var(--blue);letter-spacing:0;margin-top:32px;font-size:12px;font-weight:500;line-height:18px}:root[data-theme=dark] .markdown h3.learning-step{color:var(--lime)}@media (max-width:767px){.home-content{padding-top:24px}.home-hero mark{padding:0 8px 6px}.quick-action{padding-bottom:12px}.quick-action small{margin-top:4px}.action-practice small{margin-top:0}.message-assistant .markdown h2{letter-spacing:-.015em;font-size:20px;font-weight:600;line-height:26px}}@media (min-width:1024px) and (max-height:850px){.workspace-header{height:88px}.home-content{padding-top:0}.home-hero{margin-bottom:32px}.home-hero h1{font-size:60px;line-height:1.04}.home-hero>.dream-mark{top:12px;width:112px!important;height:112px!important}.is-empty .composer-area{padding-bottom:24px}}:root[data-theme=dark] .home-personal a:not(.home-recent),:root[data-theme=dark] .markdown a,:root[data-theme=dark] .progress-page>.eyebrow,:root[data-theme=dark] .recents-page>.eyebrow,:root[data-theme=dark] .test-progress>.eyebrow,:root[data-theme=dark] .text-link,:root[data-theme=dark] .theme-options button[aria-pressed=true]{color:var(--lime)}.study-conversation-empty{flex-direction:column;align-items:flex-start;gap:20px;padding:24px 8px;display:flex}.study-conversation-empty h2{font-size:28px}.study-conversation-empty p{color:var(--muted);font-size:15px;line-height:1.5}@media (min-width:851px){.workspace-header.exam-topbar{height:64px}}.connection-status{z-index:90;top:calc(env(safe-area-inset-top) + 12px);background:var(--surface,#fff);width:max-content;max-width:calc(100% - 32px);color:var(--text,#111);border:1px solid;border-radius:12px;align-items:center;gap:12px;padding:12px 16px;font-size:13px;display:flex;position:fixed;left:50%;transform:translate(-50%);box-shadow:0 2px #111}.connection-status button{min-width:40px;min-height:40px;color:inherit;background:0 0;border:0;font-size:22px}@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}