/* The assessment visual language, shared by questions and saved reasoning. */
.thinking-app{margin:0;background:var(--desk-paper,oklch(98% .008 280));color:var(--ink);font:600 17px/1.65 var(--font-body);min-height:100vh}
.thinking-app *{box-sizing:border-box}.thinking-app h1,.thinking-app h2,.thinking-app h3{font-family:var(--font-body);font-weight:900;letter-spacing:-.035em;line-height:1.15;color:var(--ink)}
.thinking-app h1{font-size:clamp(36px,5.2vw,62px);margin:12px 0 24px}.thinking-app h2{font-size:clamp(26px,3vw,36px)}.thinking-app h3{font-size:22px}
.thinking-app em{font-style:normal;color:var(--clarity)}.thinking-app p{max-width:68ch}.thinking-app button,.thinking-app input,.thinking-app textarea,.thinking-app select{font:inherit;color:inherit}
.thinking-app :focus-visible{outline:3px solid var(--clarity);outline-offset:4px}.thinking-app button,.thinking-app a,.thinking-app summary{touch-action:manipulation}
.th-header{min-height:88px;padding:18px max(24px,calc((100vw - 1200px)/2));display:flex;align-items:center;gap:36px;background:var(--paper);border-bottom:1px solid var(--desk-edge);flex-wrap:wrap}
.th-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);white-space:nowrap;font-size:23px}.th-brand>span{width:40px;height:40px;background:var(--why);border:2px solid var(--ink);border-radius:14px;display:grid;place-items:center;transform:rotate(-8deg);font-size:28px;font-weight:900}.th-brand em{color:var(--ink)}
.th-header nav{display:flex;gap:8px;flex:1;flex-wrap:wrap}.th-header nav a{display:inline-flex;align-items:center;min-height:44px;padding:9px 14px;text-decoration:none;border-radius:12px;font-weight:800;color:var(--ink-2);font-size:15px}.th-header nav a[aria-current]{background:var(--clarity-soft);color:var(--clarity)}.th-header nav a:hover{background:var(--paper-2)}
.th-student{display:grid;text-align:right;font-size:16px;font-weight:900}.th-student small{font-size:12px;color:var(--ink-3);font-weight:700}
.th-main{max-width:1160px;margin:auto;padding:28px 24px 70px}.th-eyebrow{font-size:13px;font-weight:850;letter-spacing:.015em;color:var(--ink-3)}.th-small{font-size:14px;color:var(--ink-3);line-height:1.65}.th-loading{padding:100px 24px;text-align:center;font-weight:800}
.th-hero{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:46px;padding:40px 0 65px}.th-hero>div>p{font-size:20px;color:var(--ink-2);max-width:46ch}.th-hero>div>p.th-small{font-size:14px}.th-hero-art{position:relative}.th-hero-art>svg{width:100%;display:block}.th-hero-art>span{display:table;margin:-7px auto 0;padding:9px 18px;background:var(--why);font-size:15px;font-weight:850;border-radius:12px;transform:rotate(-3deg)}
.th-button{min-height:50px;padding:12px 21px;border:2px solid var(--clarity);border-radius:15px;background:var(--clarity);color:var(--paper)!important;box-shadow:0 3px 0 oklch(40% .14 290);font-weight:850;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;line-height:1.5;transition:transform 150ms ease-out}
.th-button:hover:not(:disabled){transform:translateY(-2px)}.th-button:active:not(:disabled){transform:translateY(1px)}.th-button:disabled{opacity:.55;cursor:wait}.th-button-secondary{background:var(--paper);border-color:var(--desk-edge);color:var(--clarity)!important;box-shadow:0 3px 0 var(--desk-edge)}
.th-module-nav{display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--desk-edge);padding:0 0 20px;flex-wrap:wrap}.th-module-nav>a{padding:10px 14px;border-radius:12px;min-height:44px;text-decoration:none;color:var(--ink-2);font-size:15px;font-weight:850}.th-module-nav>a[aria-current]{background:var(--clarity);color:var(--paper)}.th-module-nav label{display:flex;align-items:center;gap:10px;margin-left:auto;font-size:14px}.th-module-nav select{padding:8px;border:1px solid var(--desk-edge);border-radius:10px;min-height:44px;background:var(--paper)}
.th-section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin:0 0 24px}.th-section-heading h2{margin:7px 0}.th-section-heading>p{max-width:31ch;color:var(--ink-3);font-size:15px}.th-filters{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 30px}.th-filters button{padding:10px 16px;min-height:44px;background:var(--paper);border:1px solid var(--desk-edge);border-radius:999px;font-size:14px;font-weight:800;cursor:pointer}.th-filters button[aria-pressed=true]{background:var(--clarity);color:var(--paper);border-color:var(--clarity)}
.th-activities{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.th-activity{padding:22px 25px 25px;border-radius:26px;border:1px solid var(--desk-edge);text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:transform 150ms ease-out,box-shadow 150ms ease-out}.th-activity>svg{width:160px;height:130px;margin:0 auto 15px}.th-activity h3{margin:8px 0 12px;line-height:1.2}.th-activity p{font-size:15px;color:var(--ink-2);margin:0 0 24px}.th-activity>strong{font-size:15px;margin-top:auto;display:flex;justify-content:space-between;gap:10px;min-height:44px;align-items:center}.th-activity:hover{transform:translateY(-4px);box-shadow:0 7px 0 var(--desk-edge)}
.th-mint{background:oklch(95% .045 165)}.th-peach{background:oklch(96% .04 65)}.th-sky{background:oklch(95% .035 235)}.th-lavender{background:oklch(95% .04 290)}.th-yellow{background:oklch(97% .055 95)}.th-pink{background:oklch(96% .035 345)}
.th-notebook-hero{display:grid;grid-template-columns:1fr 260px;gap:30px;align-items:center;padding:45px 0 30px}.th-notebook-hero>svg{width:100%;max-width:260px}.th-notebook-hero h1{font-size:clamp(36px,4.5vw,56px)}.th-notebook-hero p{max-width:52ch;color:var(--ink-2);font-size:18px}.th-privacy{padding:19px 23px;background:var(--clarity-soft);border-radius:16px;font-size:14px;max-width:none!important;margin:10px 0 35px}
.th-notebook{display:grid;gap:28px;margin:24px 0}.th-record{padding:28px 32px;background:var(--paper);border:1px solid var(--desk-edge);border-radius:25px;scroll-margin-top:30px}.th-record-heading{display:flex;gap:22px;align-items:center}.th-record-heading>svg{width:105px;flex-shrink:0}.th-record-heading h2{font-size:26px;margin:8px 0 12px}.th-status{display:inline-block;padding:4px 11px;border-radius:999px;background:var(--clarity-soft);font-size:12px;font-weight:850;color:var(--clarity)}.th-status.is-complete{background:var(--verify-soft);color:var(--verify)}
.th-reason{padding:18px 22px;border-radius:16px;background:var(--paper-2);margin:20px 0}.th-reason h3{font-size:16px;letter-spacing:0;margin:0 0 8px}.th-reason p{margin:8px 0;white-space:pre-wrap;overflow-wrap:anywhere}.th-reason small{font-size:13px;color:var(--ink-3)}.th-record-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.th-full-record{border-top:1px solid var(--desk-edge);margin-top:26px;padding-top:15px}.th-full-record>h3{font-size:21px;margin:24px 0 15px}.th-note{padding:18px 22px;border:1px solid var(--desk-edge);border-radius:16px;margin:14px 0;background:var(--paper)}.th-note p{white-space:pre-wrap;overflow-wrap:anywhere}.th-note small{color:var(--ink-3);font-size:13px}
.th-observation-form{margin:24px 0 8px;padding:23px;background:var(--verify-soft);border-radius:18px}.th-observation-form label{display:grid;gap:12px;font-weight:850}.th-observation-form textarea{width:100%;min-height:130px;border:2px solid var(--desk-edge);border-radius:12px;background:var(--paper);padding:14px;resize:vertical}.th-observation-form p{max-width:none}
.th-error{background:oklch(97% .025 20);border:1px solid oklch(78% .07 20);padding:22px;border-radius:16px;margin:24px 0}.th-error>button{margin-right:15px}.th-text-link{display:inline-flex;align-items:center;min-height:44px;font-size:15px;font-weight:850;color:var(--clarity);padding:5px 0}.th-empty{text-align:center;padding:45px 25px;background:var(--paper-2);border-radius:24px}.th-empty>svg{width:140px}.th-empty>p{margin:auto}.th-footer{max-width:1112px;margin:auto;border-top:1px solid var(--desk-edge);padding:28px 0;display:flex;gap:20px;justify-content:space-between;color:var(--ink-3);font-size:14px}.th-footer a{min-height:44px;color:var(--clarity);font-weight:800}
.th-skip{position:absolute;top:-80px;left:14px;padding:10px 16px;border-radius:12px;background:var(--ink);color:var(--paper);z-index:100}.th-skip:focus{top:10px}
/* Apply the same friendly controls to the authored investigation without changing it. */
.thinking-app .wc-shell{background:transparent}.thinking-app .inv-shell{width:min(960px,calc(100% - 48px));padding-top:26px}.thinking-app .inv-heading{position:relative}.thinking-app .inv-question-art{position:absolute;width:140px;right:0;top:-12px}.thinking-app .inv-question-art+div+h1{padding-right:135px;max-width:none}.thinking-app .inv-question-art svg{width:100%;height:auto}.thinking-app .inv-heading h1{font-family:var(--font-body);font-weight:900;font-size:clamp(30px,4.5vw,48px);max-width:26ch;line-height:1.17}
.thinking-app .wc-eyebrow{font-family:var(--font-body);letter-spacing:.015em;font-size:13px;font-weight:850;text-transform:none}.thinking-app .wc-btn{border-radius:14px;min-height:48px;padding:11px 19px;border:2px solid var(--desk-edge);background:var(--paper);box-shadow:0 3px 0 var(--desk-edge);font-weight:850;color:var(--ink)}.thinking-app .wc-btn--primary,.thinking-app .wc-btn--ink{background:var(--clarity);border-color:var(--clarity);color:var(--paper);box-shadow:0 3px 0 oklch(40% .14 290)}
.thinking-app .inv-progress{gap:10px;border:0;margin:28px 0 15px}.thinking-app .inv-progress li{padding:12px 10px;border-radius:14px;background:var(--paper-2);font:700 12px/1.4 var(--font-body);box-shadow:none}.thinking-app .inv-progress li>span:first-child{font:900 15px var(--font-body);display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:var(--paper)}.thinking-app .inv-progress li[aria-current=step]{color:var(--paper);background:var(--clarity)}.thinking-app .inv-progress li[aria-current=step]>span:first-child{color:var(--clarity)}
.thinking-app .inv-save{padding:13px 18px;background:var(--verify-soft);border-radius:12px;border:0;color:var(--verify);font-size:14px}.thinking-app .inv-save[data-save-state=error]{background:oklch(97% .025 20);color:var(--ink);border:1px solid oklch(78% .07 20)}
.thinking-app .inv-scene{background:var(--clarity-soft);border:0;border-radius:24px;padding:28px}.thinking-app .inv-scene h2{font-size:27px}.thinking-app .inv-work{font-size:17px}.thinking-app .inv-work>h2{font-size:28px}.thinking-app .inv-choice label{border:2px solid var(--desk-edge);border-radius:15px;background:var(--paper);min-height:55px;padding:15px 18px}.thinking-app .inv-choice label.is-selected{border-color:var(--clarity);background:var(--clarity-soft)}.thinking-app .inv-choice legend{font-weight:900;font-size:19px}.thinking-app .inv-choice input{accent-color:var(--clarity);min-width:20px;min-height:20px}
.thinking-app .inv-field{font-weight:800}.thinking-app .inv-field textarea,.thinking-app .inv-field input,.thinking-app .inv-field select{border:2px solid var(--desk-edge);background:var(--paper);border-radius:13px;padding:14px 16px;min-height:52px;font:600 17px/1.55 var(--font-body)}.thinking-app .inv-field textarea{min-height:120px}.thinking-app .inv-before,.thinking-app .inv-reading,.thinking-app .inv-feedback,.thinking-app .inv-offline,.thinking-app .inv-finished{border:1px solid var(--desk-edge);box-shadow:none;border-radius:19px;background:var(--paper);padding:23px}.thinking-app .inv-feedback,.thinking-app .inv-finished{background:var(--verify-soft)}.thinking-app .inv-offline{background:oklch(96% .04 65)}.thinking-app .inv-privacy summary,.thinking-app .inv-parent summary,.thinking-app details>summary{min-height:44px;cursor:pointer;font-weight:800}.thinking-app .inv-reading .inv-explainer{background:var(--clarity-soft);border-radius:13px;border:0}.thinking-app .inv-bottom{border-top:1px solid var(--desk-edge);padding-top:24px}.thinking-app .inv-version{font:600 12px/1.6 var(--font-body);color:var(--ink-3)}
@media(max-width:800px){.th-header{gap:16px;padding:16px 22px}.th-header nav{order:3;flex-basis:100%;justify-content:center}.th-student{margin-left:auto}.th-hero{gap:20px;grid-template-columns:1fr 1fr;padding-top:28px}.th-hero h1{font-size:42px}.th-hero>div>p{font-size:17px}.th-activities{grid-template-columns:repeat(2,minmax(0,1fr))}.th-activity>svg{width:135px}.th-footer{margin:0 24px}.th-module-nav label{margin-left:0}.th-notebook-hero{grid-template-columns:1fr 170px}}
@media(max-width:540px){.th-header{padding:15px 18px;gap:12px}.th-brand{font-size:20px}.th-brand>span{width:34px;height:34px;font-size:25px}.th-header nav{gap:3px;justify-content:space-between}.th-header nav a{font-size:13px;padding:9px 10px}.th-student{font-size:14px}.th-main{padding:20px 20px 50px}.th-hero{grid-template-columns:1fr;gap:22px;padding:25px 0 45px}.th-hero h1{font-size:43px}.th-hero-art{max-width:330px;width:100%;margin:auto}.th-hero-art>span{font-size:13px}.th-section-heading{display:block}.th-section-heading h2{font-size:29px}.th-section-heading>p{max-width:none}.th-filters{flex-wrap:nowrap;overflow:auto;padding:4px 0 10px;margin:18px 0}.th-filters button{white-space:nowrap;flex-shrink:0}.th-activities{grid-template-columns:1fr;gap:18px}.th-activity{padding:20px 23px;display:grid;grid-template-columns:1fr 92px;column-gap:10px}.th-activity>svg{grid-column:2;grid-row:1/4;width:92px;height:100px;margin:auto}.th-activity>.th-eyebrow,.th-activity>h3,.th-activity>p{grid-column:1}.th-activity>strong{grid-column:1/-1;margin-top:0}.th-activity p{margin-bottom:10px}.th-activity h3{font-size:23px}.th-module-nav{gap:0}.th-module-nav>a{font-size:13px;padding:9px 11px}.th-module-nav label{width:100%;margin-top:10px}.th-notebook-hero{grid-template-columns:1fr;gap:0;padding:28px 0 14px}.th-notebook-hero>svg{width:150px;justify-self:end;margin-top:-25px}.th-notebook-hero h1{font-size:39px}.th-notebook-hero p{font-size:17px}.th-privacy{padding:17px;font-size:13px}.th-record{padding:20px}.th-record-heading{gap:13px}.th-record-heading>svg{width:66px}.th-record-heading h2{font-size:23px}.th-reason{padding:16px}.th-record-actions{display:grid}.th-record-actions .th-button{width:100%}.th-observation-form{padding:17px}.th-footer{display:block;margin:0 20px;padding:24px 0}.th-footer a{display:flex;margin-top:10px}.thinking-app .inv-shell{width:calc(100% - 36px)}.thinking-app .inv-progress{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.thinking-app .inv-progress li{padding:10px;font-size:11px}.thinking-app .inv-scene{padding:21px}.thinking-app .inv-scene h2{font-size:24px}.thinking-app .inv-choice label{padding:13px}.thinking-app .inv-heading h1{font-size:32px}.thinking-app .inv-topline{font-size:13px;gap:10px}}
@media(prefers-reduced-motion:reduce){.thinking-app *{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
/* Module overview stays quiet; saved answers open only from a notebook entry. */
.th-header{min-height:84px;gap:34px}
.th-brand>span{background:var(--clarity);color:var(--paper);border:0;transform:none;border-radius:14px 14px 14px 5px}
.th-header nav a{font-size:14px;background:transparent}
.th-header nav a[aria-current]{background:transparent;color:var(--clarity)}
.th-student{font-size:14px;font-weight:800}.th-student a{color:var(--ink);text-decoration:none;min-height:26px}.th-student a:hover{text-decoration:underline}.th-student small{font-size:11px}
.th-main{max-width:1056px;padding-top:28px}
.th-button{min-height:44px;padding:10px 17px;border-width:1px;border-radius:12px;box-shadow:none;font-size:14px}
.th-button:hover:not(:disabled),.th-button:active:not(:disabled){transform:none;background:oklch(48% .17 293)}
.th-button-secondary:hover:not(:disabled){background:var(--paper-2)}
.th-module-nav{padding-bottom:16px;gap:20px}.th-module-nav>a{border-radius:0;padding:9px 0;font-size:14px;font-weight:800;color:var(--ink-3)}.th-module-nav>a[aria-current]{background:transparent;color:var(--clarity)}
.th-calm-heading{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:34px 0 28px;min-height:160px}
.th-calm-heading h1{font-size:32px;line-height:1.2;margin:4px 0 12px}
.th-calm-heading p{font-size:15px;color:var(--ink-3);margin:0}
.th-calm-heading>svg{width:100px;height:100px;flex-shrink:0}
.th-calm-heading .th-small{font-size:13px}
.th-progress h2,.th-section-heading h2{font-size:21px;margin:10px 0 20px}
.th-progress-list{border-top:1px solid var(--desk-edge)}
.th-progress-row{display:flex;align-items:center;gap:17px;min-height:88px;padding:23px 7px;border-bottom:1px solid var(--desk-edge);text-decoration:none;color:var(--ink);border-radius:10px}
.th-progress-row:hover{background:var(--paper-2)}
.th-progress-symbol{display:grid;place-items:center;height:35px;width:35px;flex-shrink:0;border-radius:12px;background:var(--clarity-soft);color:var(--clarity);font-size:23px;font-weight:900}
.th-progress-symbol.is-complete{background:var(--verify-soft);color:var(--verify)}
.th-progress-row>span:nth-child(2){flex:1;min-width:0}
.th-progress-row strong{font-size:18px;display:block;font-weight:850;line-height:1.4}
.th-progress-row small{display:block;font-size:12px;color:var(--ink-3);margin-top:6px;line-height:1.6}
.th-progress-open{display:flex;align-items:center;gap:15px;color:var(--clarity);font-weight:800;font-size:13px;white-space:nowrap}
.th-progress-open>span{font-size:20px}
.th-progress-footnote{font-size:12px;color:var(--ink-3);margin-top:25px}
.th-progress-list+.th-button{margin-top:24px}
.th-privacy{background:transparent;padding:0;font-size:12px;color:var(--ink-3);margin:0 0 25px;border-radius:0}
.th-activities{gap:19px}.th-activity{border-radius:20px;padding:20px}.th-activity>svg{width:130px;height:105px}.th-activity h3{font-size:23px}.th-activity:hover{transform:none;box-shadow:none;border-color:var(--clarity)}.th-activity p{font-size:14px}.th-activity>strong{font-size:13px}
.th-footer{max-width:1008px;font-size:12px;padding:20px 0;border:0}.th-footer a{font-size:12px;display:inline-flex;align-items:center}
@media(max-width:800px){.th-header nav{justify-content:flex-start;order:3}.th-header{gap:15px}.th-student{margin-left:auto}}
@media(max-width:540px){.th-header{padding:16px 20px;gap:10px}.th-brand{font-size:20px}.th-header nav{gap:18px;justify-content:flex-start}.th-header nav a{font-size:13px;padding:8px 0}.th-student{font-size:13px}.th-student small{font-size:10px}.th-main{padding-inline:20px}.th-module-nav{gap:22px}.th-module-nav>a{font-size:13px}.th-calm-heading{gap:15px;padding:25px 0 24px;min-height:135px}.th-calm-heading h1{font-size:28px;margin:4px 0 11px}.th-calm-heading>svg{width:70px;height:80px}.th-calm-heading p{font-size:14px}.th-calm-heading .th-small{font-size:12px}.th-progress h2,.th-section-heading h2{font-size:21px}.th-progress-row{gap:12px;padding:20px 0}.th-progress-row strong{font-size:16px}.th-progress-row small{font-size:11px}.th-progress-symbol{height:30px;width:30px;font-size:20px;border-radius:10px}.th-progress-open{font-size:0;gap:0}.th-progress-open>span{font-size:22px}.th-progress-footnote{font-size:11px}.th-activities{gap:15px}.th-activity>svg{width:85px;height:95px}.th-activity h3{font-size:21px}.th-activity p{font-size:13px}.th-footer{display:flex;gap:20px;align-items:center;padding:20px 0}.th-footer a{margin-top:0}.th-privacy{font-size:12px;line-height:1.6}}
/* Adult overview: the saved reasoning is the next step, with dated work below. */
.th-adult-next{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:24px;background:var(--clarity-soft);border-radius:20px;margin:0 0 32px}
.th-adult-next>div{min-width:0;max-width:57ch}.th-adult-next h2{font-size:21px;margin:0 0 10px;letter-spacing:-.025em}.th-adult-next p{font-size:14px;line-height:1.65;color:var(--ink-2);margin:0}.th-adult-next>.th-button{flex-shrink:0}
.th-recent-heading{align-items:center;margin:0 0 12px;gap:16px}.th-recent-heading h2{margin:0}.th-recent-heading .th-text-link{font-size:13px;white-space:nowrap}
@media(max-width:760px){.th-adult-next{align-items:flex-start;flex-direction:column;gap:20px;padding:22px}.th-adult-next>.th-button{width:100%;white-space:normal}.th-recent-heading{align-items:flex-start;display:flex}.th-recent-heading h2{font-size:19px}.th-recent-heading .th-text-link{font-size:12px}}