:root{--navy:#10284d;--blue:#214d87;--orange:#f1642c;--orange-soft:#fff0e8;--green:#19745b;--green-soft:#e7f5ef;--amber:#a76316;--red:#b42318;--ink:#152b49;--muted:#66758a;--line:#dce4ee;--wash:#f4f7fb;--white:#fff;--shadow:0 18px 45px rgba(16,40,77,.09)}
*{box-sizing:border-box;font-family:Manrope,Arial,sans-serif}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font:15px/1.55 Manrope,Arial,sans-serif}button,input,select,textarea{font:inherit;color:inherit}button,a{touch-action:manipulation}a{color:inherit;text-decoration:none}button{cursor:pointer}.skip-link{position:fixed;left:12px;top:-60px;z-index:100;background:var(--navy);color:#fff;padding:12px 16px;border-radius:8px}.skip-link:focus{top:12px}.loading-screen{min-height:100vh;display:grid;place-content:center;text-align:center;gap:8px;background:var(--wash)}.loading-screen strong{font-size:30px}.loading-screen span{color:var(--muted)}
.top-note{height:34px;background:var(--navy);color:#dce8fa;display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100vw - 1240px)/2));font-size:11px;letter-spacing:.04em}.top-note b{color:#fff}.public-header{max-width:1240px;margin:auto;height:82px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand img{display:block;width:220px;max-width:46vw}.public-nav{display:flex;align-items:center;gap:28px;font-weight:600;font-size:14px}.public-nav a:hover{color:var(--orange)}.header-actions,.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.btn{min-height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:11px 17px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:hover{border-color:#aebbd0}.btn.primary{background:var(--orange);border-color:var(--orange);color:#fff}.btn.navy{background:var(--navy);border-color:var(--navy);color:#fff}.btn.quiet{border-color:transparent;background:transparent}.btn.danger{color:var(--red);border-color:#f0b9b5}.btn:disabled,.disabled{opacity:.43;cursor:not-allowed}.hero{max-width:1240px;margin:0 auto;padding:54px 24px 70px;display:grid;grid-template-columns:1fr .96fr;align-items:center;gap:58px}.kicker,.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:11px;font-weight:800;color:#64758e}.hero h1{font-size:clamp(46px,5vw,68px);line-height:1.04;letter-spacing:-.05em;margin:14px 0 22px}.hero h1 em{display:block;color:var(--orange);font-style:normal}.hero-copy>p{font-size:18px;line-height:1.85;color:#5f6e82;max-width:610px}.hero .actions{margin-top:30px}.trust-row{margin-top:20px;display:flex;gap:18px;flex-wrap:wrap;color:#718096;font-size:12px}.trust-row span:before{content:'✓';color:var(--green);font-weight:800;margin-right:6px}.preview-window{background:#f8faff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:20px;transform:rotate(-2deg)}.preview-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.preview-top img{width:145px}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--orange-soft);color:#ae491f;font-weight:800}.preview-body{display:grid;grid-template-columns:112px 1fr;gap:13px}.preview-side{display:grid;align-content:start;gap:6px}.preview-side span{padding:10px;border-radius:8px;font-size:11px;color:#65748b}.preview-side span.active{background:var(--orange-soft);color:#9e421d;font-weight:800}.preview-card,.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.preview-card h3{font-size:14px;margin:0 0 10px}.preview-task{display:grid;grid-template-columns:32px 1fr auto;gap:10px;align-items:center;padding:11px 0;border-top:1px solid #edf1f6;font-size:10px}.preview-task b:first-child{width:30px;height:30px;border-radius:8px;background:#eaf2ff;color:#2b5fa9;display:grid;place-items:center}.preview-task button{background:var(--navy);color:#fff;border:0;border-radius:6px;padding:6px 8px;font-size:9px}.benefits{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fbfcfe;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px max(24px,calc((100vw - 1192px)/2))}.benefits article{text-align:center}.benefits strong{display:block;font-size:15px}.benefits span{font-size:12px;color:var(--muted)}.section{max-width:1240px;margin:auto;padding:72px 24px}.section.center{text-align:center}.section h2{font-size:38px;line-height:1.2;letter-spacing:-.035em;margin:8px 0 14px}.section-intro{max-width:700px;margin:0 auto;color:var(--muted);font-size:16px}.method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:38px;text-align:left}.method-grid article{border-top:3px solid var(--orange);padding:22px 10px}.method-grid b{color:var(--orange)}.method-grid h3{font-size:19px;margin:10px 0}.method-grid p{color:var(--muted);font-size:13px}.cta{max-width:1192px;margin:0 auto 60px;background:var(--navy);border-radius:22px;color:#fff;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{margin:0;font-size:30px}.cta p{color:#bdcbe0;margin:6px 0 0}.footer{border-top:1px solid var(--line);max-width:1240px;margin:auto;padding:30px 24px;display:flex;justify-content:space-between;gap:24px;align-items:center}.footer img{width:190px}.footer nav{display:flex;gap:20px;color:var(--muted);font-size:12px;flex-wrap:wrap}
.modal-backdrop{position:fixed;inset:0;background:rgba(8,24,47,.6);z-index:50;display:grid;place-items:center;padding:20px}.modal{width:min(530px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:20px;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.modal h2{font-size:27px;margin:0 0 8px}.modal p{color:var(--muted)}.tabs{display:flex;gap:5px;background:var(--wash);padding:5px;border-radius:11px;margin:22px 0}.tabs button{flex:1;border:0;background:transparent;padding:10px;border-radius:8px;font-weight:700}.tabs button.active{background:#fff;box-shadow:0 2px 8px #10284d12}.field{display:grid;gap:7px;margin:15px 0}.field label{font-size:13px;font-weight:700}.field input,.field select,.field textarea{border:1px solid #bdc9d9;border-radius:9px;padding:12px;background:#fff;min-height:45px}.field textarea{min-height:100px;resize:vertical}.field small{color:var(--muted)}.form-error{background:#fff1f0;color:#8c2d25;border-radius:8px;padding:10px 12px;margin:12px 0}.demo-roles{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:18px}.demo-roles button{border:1px solid var(--line);background:#fff;border-radius:9px;padding:10px}.demo-roles button:hover{background:var(--orange-soft)}
.app-shell{min-height:100vh;background:var(--wash);display:grid;grid-template-columns:250px minmax(0,1fr)}.sidebar{position:sticky;top:0;height:100vh;background:#fff;border-right:1px solid var(--line);padding:24px 16px;display:flex;flex-direction:column}.sidebar .brand{padding:4px 8px 20px}.workspace{font-size:10px;letter-spacing:.14em;font-weight:800;color:#8a98ab;padding:10px 12px}.nav{display:grid;gap:5px}.nav button{border:0;background:transparent;border-radius:9px;padding:11px 12px;text-align:left;font-weight:600;color:#56667c;display:flex;align-items:center;gap:10px}.nav button:hover{background:#f5f7fb}.nav button.active{background:var(--orange-soft);color:#a64520}.nav button span{width:24px;text-align:center}.sidebar-foot{margin-top:auto;border-top:1px solid var(--line);padding:18px 8px 0}.profile{display:flex;align-items:center;gap:10px}.profile strong,.profile small{display:block}.profile small{font-size:11px;color:var(--muted)}.app-main{min-width:0}.app-header{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:sticky;top:0;z-index:10}.breadcrumb{font-size:13px;color:var(--muted)}.breadcrumb b{color:var(--ink)}.header-tools{display:flex;align-items:center;gap:9px}.icon-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:9px;background:#fff}.content{max-width:1280px;padding:34px 30px 60px}.page-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:24px}.page-head h1{font-size:28px;letter-spacing:-.035em;margin:0}.page-head p{color:var(--muted);margin:7px 0 0}.status-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:20px;background:#eaf0f7;font-size:11px;font-weight:800}.status-pill.green{background:var(--green-soft);color:var(--green)}.status-pill.orange{background:var(--orange-soft);color:#a64620}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card h2{font-size:20px;margin:0 0 5px}.card h3{font-size:16px;margin:0 0 5px}.card>p,.muted{color:var(--muted)}.metric strong{font-size:30px;display:block;line-height:1.2}.metric span{font-size:12px;color:var(--muted)}.banner{border:1px solid #f0c7aa;background:#fff7f1;border-radius:12px;padding:14px 16px;display:flex;align-items:center;gap:12px;margin-bottom:20px}.banner strong{color:#9b431f}.banner.navy{background:#eaf0f8;border-color:#c7d5e8}.banner.navy strong{color:var(--navy)}.stepper{display:flex;gap:8px;margin:18px 0 24px;overflow:auto}.step{min-width:150px;flex:1;border:1px solid var(--line);border-radius:10px;padding:12px;display:flex;gap:9px;align-items:center;font-size:12px;font-weight:700;background:#fff}.step b{width:26px;height:26px;border-radius:50%;background:#edf2f7;display:grid;place-items:center}.step.active{border-color:#f19a70;background:var(--orange-soft);color:#9d411c}.step.active b{background:var(--orange);color:#fff}.step-link{cursor:pointer}.step-link:hover,.step-link:focus-visible{border-color:#9bb2ca;box-shadow:0 0 0 3px #dce8f4;outline:none}.choice-list{display:grid;gap:10px;margin:17px 0}.choice-row{border:1px solid var(--line);border-radius:10px;padding:14px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px}.choice-row strong,.choice-row small{display:block}.choice-row small{color:var(--muted);margin-top:3px}.segmented{display:flex;background:var(--wash);border-radius:9px;padding:4px}.segmented button{border:0;background:transparent;padding:8px 11px;border-radius:7px;font-size:12px}.segmented button.active{background:#fff;box-shadow:0 1px 5px #10284d1f;color:var(--green);font-weight:800}.task-player{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}.task-meta{display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:15px}.task-player h2{font-size:24px;margin:12px 0 6px}.task-context{font-size:17px;color:#425570}.subtask{margin-top:24px;border-top:1px solid var(--line);padding-top:22px}.subtask h3{font-size:20px}.answer-row{display:flex;gap:10px;margin-top:16px}.answer-row input{flex:1;min-width:0;border:1px solid #b9c6d8;border-radius:9px;padding:12px}.support-controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.support-controls button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 12px;font-size:13px}.support-panel{margin-top:12px;background:#f6f8fb;border-radius:9px;padding:13px;color:#4e6076}.result-good{background:var(--green-soft);color:var(--green);border-radius:9px;padding:12px;margin-top:12px}.result-warn{background:#fff3e7;color:#8a551d;border-radius:9px;padding:12px;margin-top:12px}.progress-track{height:8px;background:#e8eef5;border-radius:8px;overflow:hidden;margin:10px 0}.progress-track i{display:block;height:100%;background:var(--green)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}table{width:100%;border-collapse:collapse;min-width:620px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:13px 14px;font-size:12px;vertical-align:top}th{background:#f6f8fb;color:#6e7d92;text-transform:uppercase;letter-spacing:.05em;font-size:10px}.heat{width:34px;height:28px;border-radius:6px;text-indent:-999px}.heat.demonstrated{background:#70c2a6}.heat.developing{background:#f1be6a}.heat.blocked{background:#e9857d}.heat.claimed{background:#8caed8}.heat.untested{background:#e5eaf0}.empty{padding:36px;text-align:center;color:var(--muted)}.notice{font-size:12px;color:var(--muted);border-left:3px solid var(--orange);padding-left:12px}.list{display:grid;gap:10px}.list-item{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.list-item:last-child{border-bottom:0}.list-item strong,.list-item small{display:block}.list-item small{color:var(--muted);margin-top:3px}.code-output{font:700 18px monospace;background:#10284d;color:#fff;border-radius:9px;padding:15px;letter-spacing:.08em}.toast{position:fixed;right:22px;bottom:22px;z-index:80;max-width:420px;background:var(--navy);color:#fff;padding:13px 16px;border-radius:10px;box-shadow:var(--shadow);animation:toast-in .2s ease}.toast.error{background:#8f2d26}@keyframes toast-in{from{transform:translateY(10px);opacity:0}}.mobile-menu{display:none}
@media(max-width:980px){.public-nav{display:none}.hero{grid-template-columns:1fr;padding-top:34px}.preview-window{transform:none}.method-grid{grid-template-columns:repeat(2,1fr)}.app-shell{grid-template-columns:210px 1fr}.grid.four{grid-template-columns:repeat(2,1fr)}.content{padding:28px 20px}.app-header{padding:0 20px}}
@media(max-width:740px){.public-header{height:70px}.brand img{width:170px}.header-actions .quiet{display:none}.hero{padding:35px 20px 50px}.hero h1{font-size:46px}.preview-body{grid-template-columns:75px 1fr}.preview-side span{padding:7px;font-size:9px}.benefits{grid-template-columns:repeat(2,1fr)}.method-grid{grid-template-columns:1fr}.cta{margin:0 18px 40px;padding:28px;display:block}.cta .btn{margin-top:20px}.footer{display:grid}.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:30;inset:0 auto 0 0;width:255px;transform:translateX(-105%);transition:.2s}.sidebar.open{transform:none}.mobile-menu{display:block}.app-header{height:64px}.grid.two,.grid.three,.grid.four{grid-template-columns:1fr}.page-head{display:block}.page-head>.actions{margin-top:15px}.content{padding:23px 16px}.task-player{padding:20px}.answer-row{display:grid}.demo-roles{grid-template-columns:1fr}.modal{padding:24px}.public-header .btn.primary{padding:9px 11px;min-height:40px}.public-header .btn.quiet{display:none}}
@media(max-width:420px){.hero h1{font-size:40px}.benefits{grid-template-columns:1fr}.preview-body{grid-template-columns:1fr}.preview-side{display:none}.hero-copy>p{font-size:16px}.section h2{font-size:31px}}
.modal .confirmation-only{margin:0;color:var(--ink);font-size:16px;line-height:1.6}.confirmation-reminder{display:block;margin-top:12px;font-weight:700;color:var(--ink)}
.hero-steps{margin:0;padding:22px;list-style:none;background:#f8faff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:10px}.hero-step{min-width:0;display:grid;gap:8px;text-align:center;justify-items:center}.hero-step-number{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;background:var(--orange-soft);color:#ae491f;font-weight:800}.hero-step strong{font-size:15px;line-height:1.2}.hero-step small{color:var(--muted);font-size:12px;line-height:1.4}.hero-step-arrow{color:var(--orange);font-size:25px;font-weight:700;text-align:center}
.hero-simple{grid-template-columns:1fr}.hero-simple .hero-copy{max-width:700px}
.hero-simple{padding-top:20px;padding-bottom:34px}.hero-simple .hero-copy{max-width:820px;margin:0 auto;text-align:center}.hero-simple .hero-copy>p{margin-left:auto;margin-right:auto}.hero-simple .actions,.hero-simple .trust-row{justify-content:center}
.hero-image{position:relative;overflow:hidden;border-radius:22px;box-shadow:var(--shadow);min-height:0;background:#dce5ee}.hero-image img{display:block;width:100%;height:auto;min-height:0;object-fit:contain}.hero-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px;background:linear-gradient(180deg,rgba(10,31,61,.22),rgba(10,31,61,.44))}.hero-overlay .kicker,.hero-overlay h1{-webkit-text-stroke:0;paint-order:stroke fill;text-shadow:0 2px 6px rgba(0,0,0,.7)}.hero-overlay h1 em{color:var(--orange)}.hero-overlay .kicker{color:#d1d5db;font-size:15px}.hero-overlay h1{margin:14px 0 0;color:#f1f3f5}.hero-overlay h1 em{color:var(--orange)}
.section#feature .hero-steps{margin-top:18px}
.public-header,.hero,.section,.footer{max-width:760px}.cta{max-width:720px}.hero-steps{max-width:680px;margin-left:auto;margin-right:auto}
.hero h1{font-size:clamp(38px,4vw,54px)}
@media(max-width:740px){.hero-image img{width:150%;max-width:none;transform:translateX(-16.6667%)}.hero-steps{padding:18px;grid-template-columns:1fr;gap:14px}.hero-step-arrow{justify-self:center;transform:rotate(90deg)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.stepper.compact{display:grid;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));overflow:visible}.stepper.compact .step{min-width:0;min-height:58px;padding:10px;font-size:11px;line-height:1.25;align-items:center;overflow-wrap:anywhere}.stepper.compact .step b{min-width:26px;flex:0 0 26px}.sidebar-foot .btn{white-space:nowrap;overflow:hidden}.task-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:22px}.task-title-row h2{flex:1}.task-skip{flex:0 0 auto;border:1px solid #efb38f;background:var(--orange-soft);color:#96401e;border-radius:9px;padding:9px 13px;font-size:12px;font-weight:400}.task-skip:hover{border-color:var(--orange);background:#ffe5d7}
@media(max-width:740px){.task-title-row{display:block}.task-skip{margin:8px 0 4px}.stepper.compact{grid-template-columns:repeat(2,minmax(0,1fr))}}
.gate{min-height:100vh;background:var(--wash);display:grid;place-items:center;padding:22px}.gate-card{position:static;max-width:470px}.gate-card>img{width:230px;max-width:100%;margin-bottom:30px}.gate-card h1{font-size:30px;line-height:1.15;margin:10px 0}.gate-card .notice{margin-top:22px}


.faded-tagline{color:#56667c;font-size:13px}
.subtask-rail{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0 12px}.subtask-chip{border:1px solid var(--line);border-radius:10px;background:#f8fafc;padding:10px 12px;display:grid;grid-template-columns:28px 1fr;column-gap:9px;align-items:center;min-height:64px;color:#62738a}.subtask-chip>span{grid-row:span 2;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#eaf0f6;color:#53657b;font-weight:800;font-size:12px}.subtask-chip strong{font-size:14px;color:var(--ink)}.subtask-chip small{font-size:12px;color:#7d8ca0}.subtask-chip.active{border-color:#f19a70;background:var(--orange-soft);box-shadow:0 0 0 2px #f1642c18}.subtask-chip.active>span{background:var(--orange);color:#fff}.subtask-chip.active strong,.subtask-chip.active small{color:#9d411c}.subtask-chip.done{background:var(--green-soft);border-color:#a7d7c5}.subtask-chip.done>span{background:var(--green);color:#fff}.subtask-chip.done strong,.subtask-chip.done small{color:var(--green)}
.subtask-active{background:var(--orange-soft);border:1px solid #f19a70;border-radius:12px;padding:18px;margin-top:14px}.subtask-active h3{color:#82401f}.support-controls button.support-active{background:var(--orange);border-color:var(--orange);color:#fff;box-shadow:0 0 0 2px #f1642c25}.support-controls button.support-active[data-support="result"]{background:var(--orange);border-color:var(--orange);color:#fff}.subtask-active .faded-tagline{color:#9d765f;border-left:0;padding-left:0}
.close-btn{border:0;background:transparent;padding:4px 0;color:var(--ink);font-weight:700;font-size:18px;margin-left:auto;align-self:flex-start}.close-btn:hover{color:var(--orange)}.preview-connector{display:none}.preview-task-player .notice{border-left:0;padding-left:0}
.role-choice{border:0;padding:0;margin:0 0 16px;display:flex;gap:20px;flex-wrap:wrap}.role-choice legend{width:100%;font-size:13px;font-weight:700;margin-bottom:4px}.role-choice label{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--ink)}.role-choice input{accent-color:var(--orange)}


.role-preview .demo-roles{grid-template-columns:repeat(3,1fr);align-items:center}.role-links{display:flex;gap:12px;grid-column:1/-1;justify-content:flex-start;font-size:12px}.role-links a{color:#526780;text-decoration:underline}.role-links a:hover{color:var(--orange)}

.demo-roles{grid-template-columns:repeat(3,1fr)}.role-links-bottom{margin-top:18px;justify-content:flex-end}
@media(max-width:560px){.subtask-rail{gap:6px}.subtask-chip{padding:8px 6px;grid-template-columns:24px 1fr;column-gap:5px}.subtask-chip>span{width:24px;height:24px}.subtask-chip strong{font-size:12px}.subtask-chip small{font-size:11px}}
.practice-question{margin:18px 0 8px;padding:14px 16px;border:1px solid #cbd8e8;border-radius:10px;background:#f6f8fb}.practice-question strong{display:block;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:#53657b}.practice-question p{margin:5px 0 0;font-size:16px;line-height:1.55;color:var(--ink)}.curriculum-meta strong{color:var(--ink)}.practice-question-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.practice-question-head strong{font-size:14px;text-transform:none;letter-spacing:0;color:var(--ink)}.practice-question-head .task-skip{font-size:12px}.subtasks-label{margin:18px 0 6px;font-size:14px;color:var(--muted)}.subtasks-label strong{color:var(--ink)}.support-panel strong{display:inline}.support-panel span{display:inline}.support-star{color:var(--orange);font-weight:900;margin-left:3px}
/* Platform review: readable, responsive layout and consistent controls. */
:root{--line:#d5e0e7;--muted:#526474}
body{font-size:15px;line-height:1.6}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}a,button,input,select,textarea{touch-action:manipulation}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #25699c;outline-offset:3px}
.app-shell{grid-template-columns:232px minmax(0,1fr)}.sidebar{overflow-y:auto}.sidebar .brand img{width:100%;max-width:195px}.content{width:100%;max-width:1380px;margin:0 auto;padding:30px clamp(16px,3vw,36px) 56px}.card,.grid>*,.list-item>*,.page-head>*,.task-meta>*{min-width:0}.card{padding:24px}.card h2{line-height:1.35;margin:0 0 14px}.card>p{margin:12px 0}.section-card{margin-top:22px}.section-card>.grid{margin-top:16px}.grid{align-items:start;gap:20px}.metric strong{font-size:clamp(22px,2.5vw,29px);overflow-wrap:anywhere;margin:7px 0}.metric span{font-size:13px}.metric{min-height:138px}.page-head h1{font-size:29px}.page-head p{max-width:760px;line-height:1.65}.page-head .actions{flex-shrink:0}.notice{border-left:0;padding-left:0;font-size:13px;line-height:1.6}.details{display:grid;grid-template-columns:130px 1fr;gap:12px;margin:20px 0}.details dt{color:var(--muted)}.details dd{margin:0;overflow-wrap:anywhere}.text-link{color:#175783;text-decoration:underline}.child-selector{display:flex;align-items:center;gap:8px;font-size:13px}.child-selector select{max-width:220px;border:1px solid var(--line);border-radius:8px;padding:8px;background:#fff}
.stepper,.stepper.compact{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;overflow:visible}.stepper.compact{grid-template-columns:repeat(3,minmax(0,1fr))}.stepper .step{min-width:0;min-height:66px;text-align:left;padding:12px;font-size:13px;line-height:1.4;color:var(--ink);font-weight:600}.step b{flex:0 0 28px;width:28px;height:28px}.step.active{background:var(--orange-soft);border-color:#d58e68;color:#88411d}.consent-card{max-width:920px}.consent-card li{margin:10px 0}.choice-row{margin:16px 0}.choice-row input{width:18px;height:18px;accent-color:var(--orange)}.choice-row small{font-size:13px}.field label{font-size:14px}.field input,.field select,.field textarea{width:100%;min-width:0}.actions{margin-top:12px}.support-controls button{min-height:42px}.support-controls button.support-active{background:#eaf3f7;border-color:#9cb8c6;color:#203e50;box-shadow:none}.support-panel{background:#eaf3f7;color:#203e50}.support-star{display:inline-block;color:#cb4c00;font-size:20px;line-height:1;vertical-align:middle;margin-left:5px}.subtask-active .faded-tagline{color:#694e3e;font-size:13px}.task-meta{font-size:16px;flex-wrap:wrap}.subtask-rail strong{font-size:15px}.subtask-chip small{font-size:13px}.result-good,.result-warn{line-height:1.65}.practice-question p{font-size:18px}.subtask h3{font-size:21px;line-height:1.45}.support-panel strong{margin-right:5px}.table-wrap{max-width:100%}th,td{font-size:13px;padding:14px;overflow-wrap:anywhere}th{font-size:11px}.table-wrap caption{text-align:left;font-weight:700;padding:14px}.heat{width:auto;height:auto;text-indent:0;padding:5px 8px;font-size:12px}.modal{position:relative;padding:32px;scrollbar-gutter:stable}.modal>.actions:first-child{padding-right:70px;margin-top:0}.close-btn{position:absolute;top:22px;right:24px;font-size:17px;min-height:36px}.modal .tabs{margin-top:18px}.modal .field{margin:18px 0}.modal p{line-height:1.65}.role-links-bottom{margin-top:24px}.role-choice{gap:16px}.section.center .preview-task-player{text-align:left}.section.center .preview-task-player h2{font-size:26px}.preview-task-player .subtask h3{text-align:left}.preview-window button{pointer-events:none}.loading-screen{min-height:50vh;display:grid;align-content:center;justify-items:center;gap:14px;padding:28px}.public-nav{gap:22px}.public-header{gap:20px}.header-actions{flex-shrink:0}.public-header .btn.quiet{display:inline-flex}.section-intro{line-height:1.75}.app-header{gap:16px}.toast{line-height:1.5}
@media(max-width:1100px){.app-shell{grid-template-columns:205px minmax(0,1fr)}.grid.two{grid-template-columns:1fr}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.public-nav{gap:14px}.brand img{width:190px}.page-head{flex-wrap:wrap}.content{padding:26px 22px}.stepper.compact .step{font-size:13px}}
@media(max-width:740px){.app-shell{grid-template-columns:1fr}.content{padding:22px 16px}.grid.three,.grid.four{grid-template-columns:1fr}.card{padding:20px}.stepper{grid-template-columns:repeat(2,minmax(0,1fr))}.stepper.compact{grid-template-columns:1fr}.stepper .step{min-height:58px}.page-head h1{font-size:26px}.app-header{padding:10px 16px;height:auto;min-height:64px}.app-header>div{display:flex;align-items:center;gap:12px}.child-selector{font-size:12px}.child-selector select{max-width:145px}.task-player{padding:16px}.subtask-active{padding:16px}.subtask h3{font-size:19px}.subtask-chip{grid-template-columns:24px 1fr;padding:9px 7px}.subtask-chip strong{font-size:13px}.subtask-chip small{font-size:12px}.subtask-chip>span{width:24px;height:24px}.modal-backdrop{padding:12px}.modal{padding:25px 20px;max-height:94vh}.close-btn{right:20px;top:16px}.public-header{padding:14px 18px}.brand img{max-width:44vw}.public-nav{display:flex;font-size:13px;gap:12px;flex-wrap:wrap;order:3;width:100%}.public-header{height:auto;flex-wrap:wrap}.public-nav a{min-height:32px;display:flex;align-items:center}.public-header .btn.quiet{display:inline-flex}.practice-question-head{align-items:flex-start;flex-wrap:wrap}.task-meta{font-size:14px}.metric{min-height:120px}.toast{left:16px;right:16px;bottom:16px}.details{grid-template-columns:110px 1fr}}
@media(max-width:390px){.subtask-rail{grid-template-columns:1fr}.subtask-chip{grid-template-columns:28px 1fr}.subtask-chip strong{font-size:14px}.modal h2{font-size:23px}.public-header .brand img{width:140px}.public-nav{gap:14px}.header-actions .btn{padding:8px 12px}.role-choice{gap:12px}}

#main h1[tabindex="-1"]{outline:none}.grid.two{align-items:stretch}.card .grid.two{align-items:start}.metric strong{line-height:1.4}.support-active .support-star{color:#cb4c00}.subtask-chip.done{background:#e6f4ee}.public-header .btn.quiet{display:inline-flex}
.btn.admin-action{min-height:38px;padding:8px 13px;background:var(--navy);border-color:var(--navy);color:#fff;font-size:13px}.btn.admin-action:hover{background:#19385f;border-color:#19385f}
.btn.admin-action[data-delete-user]{min-width:34px;padding-left:9px;padding-right:9px}
.table-wrap td:last-child:has([data-edit-user]){white-space:nowrap}.table-wrap td:last-child:has([data-edit-user]) .btn{min-width:30px;min-height:30px;padding:5px 8px;font-size:12px;margin:0 2px;display:inline-flex}
.admin-user-actions{white-space:nowrap!important;display:flex!important;flex-direction:row!important;align-items:center;gap:4px;min-width:72px}.admin-user-actions .btn{flex:0 0 30px!important;width:30px!important;min-width:30px!important;margin:0!important}

.sidebar-overlay[hidden]{display:none}.sidebar-overlay{display:none;border:0;padding:0}@media(max-width:740px){.sidebar-overlay:not([hidden]){display:block;position:fixed;inset:0;background:#0f273c80;z-index:25}.sidebar{width:min(280px,85vw);box-shadow:0 0 40px #0f273c33}}

.field input[type=checkbox],.field input[type=radio]{width:18px;min-height:18px;height:18px;padding:0;accent-color:var(--orange)}.field label:has(input[type=checkbox]){display:flex;align-items:center;gap:10px}.scan-choice{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}.scope-label{margin:0 0 10px;color:var(--muted);font-size:14px}.preview-action{background:var(--navy);color:#fff;border-radius:6px;padding:6px 8px;font-size:9px}.task-skip:disabled{opacity:.5;cursor:not-allowed}
.list-item{align-items:center}.status-pill{white-space:nowrap}th{white-space:nowrap;min-width:72px}.list-item>.status-pill{align-self:center}

.list-item{flex-wrap:wrap}.list-item>span:not(.status-pill){flex:1 1 160px}.list-item>.status-pill{flex:none}

/* Homepage feature spacing */
.section#feature,.section#pricing{padding-top:42px;padding-bottom:42px}.method-grid{margin-top:30px}.method-grid b{display:none}.method-grid h3{margin:0 0 10px}

/* Homepage section rhythm */
.hero{padding-bottom:40px}.section#feature{padding-top:26px;padding-bottom:30px}.section#pricing{padding-top:26px}

/* Homepage compact section rhythm */
.hero{padding-bottom:20px}.section#feature{padding-top:12px;padding-bottom:14px}.section#pricing{padding-top:12px}

/* Parent setup: one primary action and a consistent three-stage flow. */
.parent-workspace{max-width:1120px}.parent-workspace .page-head h2{margin:0;font-size:20px}.parent-setup-rail{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible}.parent-setup-rail .step{min-width:0;min-height:62px}.parent-setup-rail .step small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:2px}.parent-setup-rail .step.complete:not(.active) b{background:var(--green-soft);color:var(--green)}
.parent-welcome{padding:30px}.parent-welcome>p{max-width:650px}.parent-roadmap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:26px 0}.parent-roadmap strong,.parent-roadmap span{display:block}.parent-roadmap span{margin-top:6px;color:var(--muted);font-size:14px}.family-child-list{margin-top:20px}.family-child-row{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;border-top:1px solid var(--line)}.family-child-row h3{font-size:18px;margin:0}.family-child-row p{margin:5px 0 10px;color:var(--muted);font-size:14px}.family-child-row .actions{justify-content:flex-end}.parent-overview-links{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:22px;color:var(--muted);font-size:14px}.parent-overview-links p{margin:0}button.text-link{border:0;background:none;padding:0;color:var(--blue);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.parent-form-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}.parent-form-columns>section+section{border-left:1px solid var(--line);padding-left:36px}.parent-form-columns section>p{color:var(--muted)}.parent-form-actions{border-top:1px solid var(--line);padding-top:20px;margin-top:20px}.password-entry{display:flex;align-items:center;gap:6px}.password-entry input{width:100%;min-width:0}.password-entry .btn{flex-shrink:0;padding:8px 12px;font-size:13px}.form-feedback:empty{display:none}.form-feedback{margin:14px 0;font-size:14px;color:var(--ink)}#child-setup-feedback,#consent-feedback{color:var(--red)}.curriculum-availability{font-size:13px;padding:12px;border-radius:8px;background:var(--green-soft);color:var(--green)}.curriculum-availability.unavailable{background:var(--orange-soft);color:var(--amber)}.parent-consent{max-width:780px}.consent-points{padding-left:22px;margin:22px 0}.consent-points li{margin:12px 0}.consent-record{display:grid;gap:4px;border-radius:10px;background:var(--green-soft);padding:16px;color:var(--green);margin:20px 0}.parent-consent .choice-row{margin-top:24px}.student-signin-card .details dd{overflow-wrap:anywhere}.student-next-steps{padding-left:22px;margin:22px 0}.student-next-steps li{padding-left:6px;margin-bottom:18px}.student-next-steps strong,.student-next-steps span{display:block}.student-next-steps span{color:var(--muted);font-size:14px;margin-top:4px}.parent-workspace .banner p{margin:8px 0 14px}.parent-workspace .details dd{overflow-wrap:anywhere}.parent-workspace .details{grid-template-columns:140px minmax(0,1fr)}
@media(max-width:980px){.family-child-row{align-items:flex-start;flex-direction:column;gap:16px}.family-child-row .actions{justify-content:flex-start}}
@media(max-width:740px){.parent-roadmap,.parent-form-columns{grid-template-columns:1fr}.parent-roadmap{gap:20px}.parent-form-columns{gap:20px}.parent-form-columns>section+section{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:22px}.parent-overview-links{align-items:flex-start;flex-direction:column}.parent-setup-rail{grid-template-columns:1fr;gap:8px}.parent-setup-rail .step{min-height:48px;padding:10px 12px}.parent-welcome{padding:22px}.parent-workspace .details{grid-template-columns:110px minmax(0,1fr)}.family-child-row .actions{width:100%}.family-child-row .actions .btn.navy{width:100%}}

@media(max-width:1100px){.parent-form-columns{grid-template-columns:1fr}.parent-form-columns>section+section{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:22px}}
.consent-privacy{border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:18px 0}.consent-privacy summary{cursor:pointer;color:var(--blue);font-weight:600}.consent-privacy>div{margin-top:18px}.consent-privacy h3{margin:18px 0 6px}.consent-privacy p{color:var(--muted);margin:6px 0 16px}
.priority-evidence{margin-top:9px;font-size:13px;color:var(--muted)}
.priority-evidence summary{cursor:pointer;color:var(--navy);font-weight:600}
.priority-evidence p{margin:8px 0 0;line-height:1.5;overflow-wrap:anywhere}
.admin-record-table{table-layout:fixed;min-width:1100px}.admin-record-table th,.admin-record-table td{overflow-wrap:anywhere}.admin-record-table th:nth-child(1),.admin-record-table td:nth-child(1){width:2.16%}.admin-record-table th:nth-child(2),.admin-record-table td:nth-child(2){width:2.16%}.admin-record-table th:nth-child(3),.admin-record-table td:nth-child(3){width:2.16%}.admin-record-table th:nth-child(4),.admin-record-table td:nth-child(4){width:1.44%}.admin-record-table th:nth-child(5),.admin-record-table td:nth-child(5){width:5.76%}.admin-record-table th:nth-child(6),.admin-record-table td:nth-child(6){width:10.79%}.admin-record-table th:nth-child(7),.admin-record-table td:nth-child(7){width:10.79%}.admin-record-table th:nth-child(8),.admin-record-table td:nth-child(8){width:7.19%}.admin-record-table th:nth-child(9),.admin-record-table td:nth-child(9){width:10.79%}.admin-record-table th:nth-child(10),.admin-record-table td:nth-child(10){width:25.18%}.admin-record-table th:nth-child(11),.admin-record-table td:nth-child(11){width:2.16%}.admin-record-table th:nth-child(12),.admin-record-table td:nth-child(12){width:7.19%}.admin-record-table th:nth-child(13),.admin-record-table td:nth-child(13){width:5.04%}.admin-record-table th:nth-child(14),.admin-record-table td:nth-child(14){width:3.60%}.admin-record-table th:nth-child(15),.admin-record-table td:nth-child(15){width:3.60%}.admin-record-table th,.admin-record-table td{padding:1px;white-space:normal;vertical-align:top}.admin-table-scroll-top{overflow-x:auto;overflow-y:hidden;height:14px;margin-bottom:4px}.admin-table-scroll-top>div{height:1px}.admin-record-table th:nth-child(1),.admin-record-table td:nth-child(1){width:2.24%}.admin-record-table th:nth-child(2),.admin-record-table td:nth-child(2){width:2.24%}.admin-record-table th:nth-child(3),.admin-record-table td:nth-child(3){width:2.24%}.admin-record-table th:nth-child(4),.admin-record-table td:nth-child(4){width:1.49%}.admin-record-table th:nth-child(5),.admin-record-table td:nth-child(5){width:5.97%}.admin-record-table th:nth-child(6),.admin-record-table td:nth-child(6){width:8.96%}.admin-record-table th:nth-child(7),.admin-record-table td:nth-child(7){width:11.19%}.admin-record-table th:nth-child(8),.admin-record-table td:nth-child(8){width:5.97%}.admin-record-table th:nth-child(9),.admin-record-table td:nth-child(9){width:11.19%}.admin-record-table th:nth-child(10),.admin-record-table td:nth-child(10){width:26.12%}.admin-record-table th:nth-child(11),.admin-record-table td:nth-child(11){width:2.24%}.admin-record-table th:nth-child(12),.admin-record-table td:nth-child(12){width:7.46%}.admin-record-table th:nth-child(13),.admin-record-table td:nth-child(13){width:5.22%}.admin-record-table th:nth-child(14),.admin-record-table td:nth-child(14){width:3.73%}.admin-record-table th:nth-child(15),.admin-record-table td:nth-child(15){width:3.73%}.admin-record-table th:nth-child(1),.admin-record-table td:nth-child(1){width:2.44%}.admin-record-table th:nth-child(2),.admin-record-table td:nth-child(2){width:2.44%}.admin-record-table th:nth-child(3),.admin-record-table td:nth-child(3){width:2.44%}.admin-record-table th:nth-child(4),.admin-record-table td:nth-child(4){width:1.63%}.admin-record-table th:nth-child(5),.admin-record-table td:nth-child(5){width:4.88%}.admin-record-table th:nth-child(6),.admin-record-table td:nth-child(6){width:8.13%}.admin-record-table th:nth-child(7),.admin-record-table td:nth-child(7){width:9.76%}.admin-record-table th:nth-child(8),.admin-record-table td:nth-child(8){width:6.5%}.admin-record-table th:nth-child(9),.admin-record-table td:nth-child(9){width:12.2%}.admin-record-table th:nth-child(10),.admin-record-table td:nth-child(10){width:26.83%}.admin-record-table th:nth-child(11),.admin-record-table td:nth-child(11){width:2.44%}.admin-record-table th:nth-child(12),.admin-record-table td:nth-child(12){width:8.13%}.admin-record-table th:nth-child(13),.admin-record-table td:nth-child(13){width:4.07%}.admin-record-table th:nth-child(14),.admin-record-table td:nth-child(14){width:4.07%}.admin-record-table th:nth-child(15),.admin-record-table td:nth-child(15){width:4.07%}