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components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.relative{position:relative}.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}.flex{display:flex}.hidden{display:none}.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,)}.border{border-style:var(--tw-border-style);border-width:1px}.lowercase{text-transform:lowercase}.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,)}}*{box-sizing:border-box}html{background:var(--bg)}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Segoe UI,Arial,sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:800;line-height:1.14}::selection{background:var(--soft);color:var(--ink)}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.shell{width:min(1200px,100% - 40px);margin-inline:auto}.site-header{background:var(--paper);border-bottom:1px solid var(--line);z-index:30;position:sticky;top:0}.nav{align-items:center;gap:38px;min-height:72px;display:flex}.brand{letter-spacing:-.04em;white-space:nowrap;align-items:center;gap:10px;font-size:19px;font-weight:800;line-height:1;display:flex}.brand-mark{background:var(--dark);color:var(--on-dark-muted);letter-spacing:-.07em;border-radius:11px;place-items:center;width:38px;height:38px;font-size:14px;display:grid}.nav nav,.nav-actions{align-items:center;gap:27px;font-size:14px;font-weight:700;display:flex}.nav nav a:hover,.nav-actions>a:not(.button):hover,.text-link:hover{color:var(--accent)}.nav-actions{margin-left:auto}.theme-toggle{border:1px solid var(--line);background:var(--paper);width:34px;height:34px;color:var(--ink);border-radius:50%;place-items:center;font-size:16px;display:grid}.button{border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);text-align:center;border-radius:9px;justify-content:center;align-items:center;gap:9px;min-height:45px;padding:12px 19px;font-size:14px;font-weight:800;transition:transform .16s,background .16s;display:inline-flex}.button:hover{filter:brightness(.94);transform:translateY(-1px)}.button-small{min-height:38px;padding:7px 14px}.button-secondary{color:var(--accent);background:0 0}.text-link{color:var(--accent);font-size:14px;font-weight:800}.eyebrow{color:var(--accent);letter-spacing:.13em;text-transform:uppercase;font-size:11px;font-weight:850}.hero{background:radial-gradient(circle at 79% 12%,var(--soft) 0,transparent 31%),var(--bg);border-bottom:1px solid var(--line);padding:60px 0 64px}:root[data-theme=dark] .hero{background:radial-gradient(circle at 79% 12%,var(--surface-dark) 0,transparent 31%),var(--bg)}.hero-grid{grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);align-items:center;gap:58px;display:grid}.hero h1{letter-spacing:-.065em;max-width:740px;margin:14px 0 20px;font-size:clamp(45px,5.7vw,73px);font-weight:800;line-height:1.03}.hero h1 em{color:var(--accent);font-family:inherit;font-style:normal;font-weight:800}.hero p{color:var(--muted);max-width:575px;font-size:17px;line-height:1.65}.hero-actions{flex-wrap:wrap;gap:11px;margin-top:24px;display:flex}.hero-aside{background:var(--dark);color:var(--on-dark);box-shadow:18px 18px 0 var(--soft);border-radius:18px;padding:29px}:root[data-theme=dark] .hero-aside{box-shadow:18px 18px 0 var(--surface-dark)}.hero-aside .eyebrow{color:var(--accent)}.hero-aside h2{letter-spacing:-.04em;margin:9px 0 19px;font-size:24px}.hero-aside div{border-top:1px solid #ffffff30;gap:15px;padding:15px 0;display:flex}.hero-aside div:last-child{padding-bottom:0}.hero-aside b{color:var(--on-dark-muted);font-size:13px}.hero-aside strong{font-size:15px;display:block}.hero-aside span{color:var(--on-dark-muted);margin-top:2px;font-size:12px;display:block}.topic-row{flex-wrap:wrap;align-items:center;gap:9px;margin-top:27px;display:flex}.topic-row>span{color:var(--muted);margin-right:2px;font-size:12px;font-weight:700}.topic-chip{border:1px solid var(--line);background:var(--paper);border-radius:100px;padding:7px 12px;font-size:12px;font-weight:750}.topic-chip:hover{border-color:var(--accent);color:var(--accent)}.section{padding:45px 0 65px}.section-heading{justify-content:space-between;align-items:end;gap:16px;margin-bottom:22px;display:flex}.section-heading h2{letter-spacing:-.045em;margin:5px 0 0;font-size:31px}.section-heading p{color:var(--muted);margin:7px 0 0;font-size:14px}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;display:grid}.card,.panel{background:var(--paper);border:1px solid var(--line);border-radius:13px}.card{flex-direction:column;min-height:228px;padding:22px;transition:transform .16s,border-color .16s,box-shadow 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p{color:var(--muted);max-width:690px}.panel{padding:26px}.panel h2{letter-spacing:-.035em;font-size:24px}.panel h3{letter-spacing:-.025em;font-size:19px}.form{gap:17px;display:grid}.field{gap:7px;display:grid}.field label{font-size:13px;font-weight:800}.field input,.field textarea,.field select{border:1px solid var(--line);background:var(--paper);width:100%;color:var(--ink);border-radius:9px;outline:none;padding:12px 13px}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--soft)}.field textarea{resize:vertical}.form-error{color:var(--danger);font-size:13px}.notice{border:1px solid var(--line);background:var(--soft);border-radius:9px;padding:13px 15px;font-size:13px}.muted{color:var(--muted)}.two-col{grid-template-columns:minmax(0,1.75fr) minmax(270px,.8fr);gap:22px;display:grid}.stack{gap:16px;display:grid}.option{border:1px solid var(--line);background:var(--paper);text-align:left;width:100%;color:var(--ink);border-radius:10px;align-items:center;gap:14px;min-height:58px;padding:16px;display:flex}.option:hover{border-color:var(--accent)}.option[data-selected=true]{border-color:var(--accent);background:var(--soft);box-shadow:inset 3px 0 var(--accent)}.option input{accent-color:var(--accent)}.auth-wrap{grid-template-columns:1fr 1fr;min-height:calc(100vh - 140px);display:grid}.auth-story{background:var(--dark);color:var(--on-dark);flex-direction:column;justify-content:space-between;padding:clamp(36px,6vw,95px);display:flex}.auth-story h1{letter-spacing:-.06em;max-width:600px;font-size:clamp(38px,4.2vw,60px)}.auth-story p{color:var(--on-dark-muted);max-width:500px}.auth-main{place-items:center;padding:35px;display:grid}.auth-card{width:min(100%,460px);box-shadow:none;border:0;padding:25px}.auth-card h1{letter-spacing:-.045em;margin:8px 0 18px;font-size:34px}.attempt-layout{grid-template-columns:minmax(0,1fr) 285px;align-items:start;gap:20px;padding:23px 0 50px;display:grid}.attempt-top{justify-content:space-between;align-items:center;gap:16px;display:flex}.attempt-head{border-bottom:1px solid var(--line);padding:25px 0 10px}.attempt-head h1{letter-spacing:-.035em;margin:5px 0;font-size:25px}.question-panel{padding:30px}.question-panel h2{letter-spacing:-.025em;max-width:38ch;margin:16px 0 26px;font-size:clamp(21px,2.4vw,29px);line-height:1.4}.question-meta{align-items:center;gap:9px;display:flex}.question-actions{flex-wrap:wrap;gap:9px;margin-top:22px;display:flex}.question-footer{border-top:1px solid var(--line);margin-top:25px;padding-top:20px}.palette{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.palette button{border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:7px;padding:8px;font-size:13px;font-weight:800}.palette button[data-active=true]{outline:2px solid var(--accent)}.palette button[data-answered=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.palette button[data-review=true]{border-color:var(--warning);box-shadow:inset 0 -3px var(--warning)}.palette-legend{color:var(--muted);gap:7px;margin:17px 0;font-size:12px;display:grid}.palette-legend span{align-items:center;gap:7px;display:flex}.legend-dot{background:var(--accent);border-radius:3px;width:10px;height:10px}.legend-dot.review{background:var(--warning)}.timer{font-variant-numeric:tabular-nums;letter-spacing:-.05em;background:var(--dark);color:var(--on-dark);border-radius:8px;padding:8px 13px;font-size:25px;font-weight:850}.score-banner{background:var(--dark);color:var(--on-dark);border-radius:14px;justify-content:space-between;align-items:end;gap:20px;padding:30px;display:flex}.score-banner .eyebrow{color:var(--on-dark-muted)}.score-value{letter-spacing:-.08em;margin:7px 0;font-size:clamp(52px,6vw,78px);font-weight:800;line-height:1}.score-value small{color:var(--on-dark-muted);letter-spacing:-.03em;font-size:24px}.score-stats{color:var(--on-dark-muted);flex-wrap:wrap;gap:20px;font-size:13px;display:flex}.score-stats strong{color:#fff;font-size:19px;display:block}.breakdown-row{border-top:1px solid var(--line);grid-template-columns:1fr auto auto;align-items:center;gap:15px;padding:13px 0;font-size:13px;display:grid}.detail-hero{background:var(--dark);color:var(--on-dark);padding:42px 0}.detail-hero .eyebrow{color:var(--on-dark-muted)}.detail-hero h1{letter-spacing:-.06em;max-width:850px;margin:12px 0;font-size:clamp(37px,4.8vw,64px)}.detail-hero p{color:var(--on-dark-muted);max-width:750px}.detail-meta{color:var(--on-dark-muted);flex-wrap:wrap;gap:20px;margin-top:25px;font-size:13px;display:flex}.detail-meta strong{color:#fff}.detail-stat{border-left:1px solid #ffffff40;padding-left:20px}.detail-stat:first-child{border:0;padding:0}.creator-avatar{background:var(--soft);width:76px;height:76px;color:var(--accent);border-radius:20px;place-items:center;font-size:27px;font-weight:850;display:grid}.studio-heading{justify-content:space-between;align-items:end;gap:20px;display:flex}.studio-progress{flex-wrap:wrap;gap:8px;display:flex}.studio-progress span{background:var(--soft);color:var(--accent);border-radius:100px;padding:8px 11px;font-size:12px;font-weight:800}.studio-rail{position:sticky;top:94px}.studio-preview{border:1px dashed var(--line);background:var(--bg);border-radius:9px;padding:17px;font-size:14px}.studio-preview p{white-space:pre-wrap}.option-editor{grid-template-columns:24px 1fr;align-items:center;gap:10px;display:grid}.option-editor input[type=radio]{accent-color:var(--accent)}.option-editor .field{min-width:0}.site-footer{border-top:1px solid var(--line);color:var(--muted);background:var(--paper);padding:30px 0;font-size:12px}.site-footer .shell{justify-content:space-between;gap:20px;display:flex}.site-footer strong{color:var(--ink)}.option-letter{border:1px solid var(--line);border-radius:7px;flex:none;place-items:center;width:31px;height:31px;font-size:12px;display:grid}.option[data-selected=true] .option-letter{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.profile-link{align-items:center;gap:8px;font-size:13px;display:flex}.profile-initial{background:var(--soft);width:30px;height:30px;color:var(--accent);border-radius:50%;place-items:center;font-weight:800;display:grid}.field input[type=radio],.field input[type=checkbox]{width:auto;box-shadow:none}.rights-check{color:var(--muted);align-items:start;gap:10px;font-size:13px;display:flex}.rights-check input{accent-color:var(--accent);margin-top:3px}@media (max-width:900px){.hero-grid{gap:30px}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nav{gap:22px}.nav nav,.nav-actions{gap:15px}.auth-story{padding:40px}}@media (max-width:720px){.shell{width:min(100% - 28px,1200px)}.nav{gap:12px;min-height:64px}.brand{font-size:16px}.brand-mark{width:34px;height:34px}.nav nav{margin-left:auto}.nav-actions{margin-left:0}.nav-actions>a:not(.button){display:none}.nav-actions .button{display:inline-flex}.nav-actions .button-small{min-height:32px;padding:6px 9px;font-size:12px}.theme-toggle{width:31px;height:31px}.hero{padding:44px 0 50px}.hero-grid,.two-col,.attempt-layout,.auth-wrap{grid-template-columns:1fr}.hero h1{font-size:clamp(43px,10vw,61px)}.hero-aside{box-shadow:9px 9px 0 var(--soft);margin-right:9px}.section{padding:34px 0 46px}.card-grid{grid-template-columns:1fr}.card{min-height:205px}.page-title{padding:30px 0 15px}.panel{padding:20px}.attempt-layout{padding:16px 0 38px}.attempt-head{padding:17px 0 10px}.question-panel{padding:21px}.question-panel h2{margin:17px 0 23px}.auth-story{min-height:220px;padding:32px}.auth-story h1{font-size:36px}.auth-story p{font-size:14px}.auth-main{padding:20px 0}.auth-card{padding:15px}.score-banner{flex-direction:column;align-items:start}.studio-rail{position:static}.site-footer .shell{gap:5px;display:grid}}@media (max-width:390px){.nav nav{gap:9px;font-size:11px}.brand span:last-child,.theme-toggle{display:none}.hero h1{font-size:42px}.hero-actions .button{flex:1}.question-footer{flex-wrap:wrap}.question-footer .muted{text-align:center;order:-1;width:100%}}@media (max-width:720px){.studio-heading{display:block}.studio-progress{margin-top:18px}.auth-story{gap:18px;min-height:0}.auth-story h1{margin-bottom:12px;font-size:31px}.auth-story p{margin-bottom:0}}.review-pagination{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.review-pagination>div{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.review-pagination select{border:1px solid var(--line);min-height:40px;color:inherit;background:var(--surface);border-radius:8px;padding:.5rem}@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-border-style{syntax:"*";inherits:false;initial-value:solid}@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}