:root{--paper:#f7f6f0;--ink:#293b30;--muted:#777a70;--line:#e3e4d9;--green:#294d3c;--orange:#cd7958;--serif:Georgia,'Times New Roman',serif;--sans:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-family:var(--sans);color:var(--ink);background:var(--paper);font-synthesis:none;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid #bb794a;outline-offset:4px}button:disabled{opacity:.5}.icon{width:21px;height:21px;flex-shrink:0;vertical-align:middle}button .icon,a .icon{pointer-events:none}.site-header{height:104px;max-width:1224px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px;padding:0 4px}.brand{font-family:var(--serif);font-size:42px;font-weight:bold;letter-spacing:-2.3px;display:flex;align-items:center;gap:9px}.brand-mark{font-family:var(--sans);font-size:43px;font-weight:400;color:var(--green);letter-spacing:0;line-height:1}.brand-dot{color:var(--orange);margin-left:-9px}.desktop-nav{display:flex;align-self:stretch;gap:34px;margin-left:70px}.desktop-nav a{display:flex;align-items:center;font-size:13px;font-weight:550;color:#828477;position:relative}.desktop-nav a.active{color:var(--green)}.desktop-nav a.active:after{content:'';position:absolute;bottom:-1px;height:3px;background:var(--green);width:22px;left:calc(50% - 11px);border-radius:2px}.header-actions{display:flex;align-items:center;gap:24px}.solo-label{font-size:9px;letter-spacing:1.3px;color:#808477;display:flex;align-items:center;gap:8px}.solo-label>span{width:5px;height:5px;background:#79966c;border-radius:50%}.icon-button{border:1px solid var(--line);background:transparent;border-radius:50%;width:38px;height:38px;display:grid;place-items:center}.icon-button:hover{background:#eaecdf}#app{max-width:1120px;margin:0 auto;outline:none;min-height:calc(100vh - 229px);padding-bottom:45px}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:48px 0 33px}.eyebrow{font-size:9px;font-weight:650;letter-spacing:2px;color:#78816e}.page-heading h1{font-size:50px;font-family:var(--serif);font-weight:400;line-height:1.1;letter-spacing:-1.8px;margin:13px 0 14px}.orange-dot{color:var(--orange)}.page-heading p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}.streak-chip{border:1px solid var(--line);background:#f1f1e8;border-radius:25px;display:flex;align-items:center;gap:10px;padding:12px 17px;font-size:11px;color:#777c6c;margin-top:15px}.streak-chip>.icon{color:#bd8453;width:18px;height:18px}.streak-chip strong{font-weight:650;color:#4f5c45;margin-right:3px}.feature-grid{display:grid;grid-template-columns:1.9fr 1fr;gap:21px}.daily-card{min-height:345px;border-radius:16px;background:#e8edcc;position:relative;overflow:hidden;padding:31px 34px}.daily-content{position:relative;z-index:1;max-width:65%}.pill{display:inline-flex;align-items:center;gap:8px;font-size:8px;font-weight:650;letter-spacing:1.3px;color:#53623d}.live-dot{background:#627c4c;width:5px;height:5px;border-radius:50%}.pill-divider{color:#a0ab84;margin:0 3px}.daily-card h2{font-family:var(--serif);font-size:49px;font-weight:400;line-height:1.04;letter-spacing:-1.7px;margin:22px 0 15px}.daily-card p{color:#697354;font-size:12px;line-height:1.8;margin:0 0 16px}.daily-meta{display:flex;gap:17px;font-size:9px;color:#677552;margin-bottom:23px}.daily-meta>span{display:flex;align-items:center;gap:5px;white-space:nowrap}.daily-meta .icon{width:13px;height:13px}.button{min-height:45px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;gap:25px;font-size:11px;font-weight:600;padding:13px 22px;border:1px solid transparent;transition:background .15s,transform .15s}.button:hover{transform:translateY(-1px)}.button .icon{width:17px;height:17px}.primary{background:var(--green);color:#fff}.primary:hover{background:#38604a}.secondary{background:transparent;color:var(--green);border-color:#ccd0c0}.secondary:hover{background:#eef0e5}.daily-caption{display:block;color:#7a8267;font-size:8px;margin-top:11px;line-height:1.5}.curiosity-art{position:absolute;width:295px;right:8px;top:39px}.curiosity-art svg{width:100%;height:auto}.card-corner{position:absolute;right:22px;bottom:22px;letter-spacing:1.8px;font-size:7px;color:#7d8864}.climb-card{background:#efede5;border:1px solid #e7e5da;border-radius:16px;overflow:hidden;min-height:345px;padding:30px 29px;position:relative}.climb-card .eyebrow{font-size:8px;letter-spacing:1.6px}.climb-card h2{font-family:var(--serif);font-size:29px;line-height:1.15;font-weight:400;letter-spacing:-.6px;margin:20px 0 12px}.climb-card>p{font-size:11px;color:#858174;line-height:1.8;margin:0}.mini-ladder{height:84px;display:flex;gap:10px;align-items:flex-end;margin:11px 0 18px;padding-bottom:17px;position:relative}.mini-ladder>div{flex:1;position:relative;height:calc(20px + var(--step)*10px);display:flex;flex-direction:column;align-items:center;justify-content:flex-start}.mini-ladder span{display:grid;place-items:center;font-size:8px;background:var(--paper);border:1px solid #d7d9c6;border-radius:50%;width:21px;height:21px;z-index:1}.mini-ladder div:last-child span{background:#d4deb1;border-color:#b9c391}.mini-ladder i{height:1px;background:#cdd0bb;position:absolute;width:calc(100% + 10px);top:16px;left:50%;transform:rotate(-14deg);transform-origin:left}.mini-ladder div:last-child i{display:none}.mini-ladder small{white-space:nowrap;font-size:7px;position:absolute;top:27px;color:#999482}.mini-ladder div:first-child small{left:1px}.mini-ladder div:last-child small{right:-3px}.text-button{border:0;background:transparent;padding:0;display:inline-flex;align-items:center;gap:8px;font-size:11px;line-height:1.5}.text-button:hover{color:#a36746}.text-button .icon{width:16px;height:16px}.climb-link{font-size:10px;border-bottom:1px solid #c4c7b5;padding-bottom:4px}.climb-link .icon{margin-left:16px;width:13px;height:13px}.explore-section{margin-top:35px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:19px}.section-title h2{font-size:20px;font-family:var(--serif);font-weight:400;margin:0;letter-spacing:-.3px}.section-title p{font-size:11px;color:var(--muted);margin:7px 0 0}.section-title>.text-button{font-size:10px;gap:8px;align-self:center}.section-title>.text-button .icon:not(:last-child){display:none}.section-title>span{font-size:9px;letter-spacing:1px;color:var(--muted)}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.topic-card{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:10px;background:#faf9f4;min-height:88px;text-align:left;padding:17px 19px;transition:background .15s,border .15s,transform .15s}.topic-card:hover{background:#fff;border-color:#bdc5ad;transform:translateY(-2px)}.topic-icon{width:43px;height:43px;border-radius:12px;background:var(--topic-color);color:var(--topic-ink);display:grid;place-items:center;flex-shrink:0}.topic-icon .icon{width:23px;height:23px}.topic-copy{display:flex;flex-direction:column;gap:7px}.topic-copy strong{font-size:12px;font-weight:550}.topic-copy small{font-size:9px;color:#8c8c7f}.topic-arrow{margin-left:auto;color:#9a9d8f}.topic-arrow .icon{width:14px;height:14px}.topic-note{font-size:9px;color:#9a9b8d;margin:13px 0 0}.home-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);margin-top:31px;padding-top:25px;gap:20px}.learning-note{display:flex;align-items:center;gap:14px}.note-icon{width:35px;height:35px;background:#eee9dc;color:#ac8b56;border-radius:50%;display:grid;place-items:center}.note-icon .icon{width:19px;height:19px}.learning-note strong{font-size:10px;font-weight:600}.learning-note p{font-size:9px;color:#8a8d7f;line-height:1.6;margin:5px 0 0}.tiny-stat{display:flex;flex-direction:column;gap:8px;padding-left:25px;border-left:1px solid var(--line)}.tiny-stat>span{font-size:7px;color:#8a927f;letter-spacing:1.2px;display:flex;gap:6px;align-items:center}.tiny-stat>span>.icon{width:13px;height:13px}.tiny-stat>strong{font-size:20px;font-weight:500}.tiny-stat small{font-size:9px;color:#7e8474;font-weight:400}.tiny-stat small>.icon{width:12px;height:12px;margin-left:12px}.site-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);max-width:1224px;padding:23px 4px;margin:0 auto;font-size:9px;color:#95988a}.footer-brand{font-family:var(--serif);font-style:italic;font-size:12px;color:#777f6b}.site-footer>.text-button{font-size:9px;color:#79816f}.footer-star{color:#8a9973;font-size:14px;margin-left:6px}.mobile-nav{display:none}.resume-banner{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:16px 20px;margin-bottom:20px;border:1px solid #cbd3b2;border-radius:9px;background:#edf0df;text-align:left;font-size:11px}.resume-banner>span{display:flex;align-items:center;gap:9px}.resume-banner small{color:#7c846d;font-size:9px;margin-left:10px}.resume-banner strong{display:flex;align-items:center;gap:8px;font-size:10px;font-weight:600}.resume-banner .icon{width:15px;height:15px}
/* The climb */
.game-shell{max-width:760px;margin:0 auto;padding-top:34px}.game-toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px}.game-toolbar>.text-button{font-size:10px;color:#7c8473}.game-toolbar>span:not(.hearts){font-size:9px;letter-spacing:1.5px;color:#828b76}.hearts{display:flex;gap:7px;color:#bf795d}.hearts .icon{width:18px;height:18px}.hearts .filled{fill:#bf795d;stroke:#bf795d}.hearts .lost{stroke:#d6d7ca}.game-progress{display:flex;gap:5px;margin:23px 0 32px}.game-progress>span{height:4px;background:#e1e4d6;flex:1;border-radius:4px}.game-progress>span.current{background:#d5a16c}.game-progress>span.correct{background:#658568}.game-progress>span.incorrect{background:#d0a08a}.question-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.topic-tag{display:inline-flex;align-items:center;gap:7px;background:var(--topic-color);color:var(--topic-ink);border-radius:30px;padding:8px 12px;font-size:10px}.topic-tag .icon{width:15px;height:15px}.question-meta>span:last-child{font-size:9px;letter-spacing:1.5px;color:#8c927f}.question-panel{border:1px solid var(--line);background:#fdfcf7;border-radius:15px;padding:30px}.question-level{display:flex;align-items:center;gap:11px}.question-level>span:first-child{display:grid;place-items:center;grid-auto-flow:column;width:39px;height:39px;background:#ecefdb;border-radius:10px;font-size:15px;gap:2px;padding:6px}.question-level>span small{font-size:8px;color:#9a9e88}.question-level>div{display:flex;flex-direction:column;gap:5px}.question-level strong{font-size:11px;font-weight:600}.question-level>div>small{font-size:9px;color:#8b917e}.question-level .points{font-size:10px;font-weight:550;color:#79856a;margin-left:auto}.question-title{font-family:var(--serif);font-size:32px;font-weight:400;line-height:1.3;letter-spacing:-.5px;margin:28px 0}.answers{display:grid;grid-template-columns:1fr 1fr;gap:12px}.answer{min-height:76px;border:1px solid #dcdfd1;border-radius:9px;background:#f8f8f1;display:flex;align-items:center;gap:12px;text-align:left;font-size:12px;padding:15px;transition:background .15s,border-color .15s}.answer:not(:disabled):hover{background:#edf0dd;border-color:#9fac86}.answer-letter{display:grid;place-items:center;width:27px;height:27px;flex-shrink:0;border:1px solid #d8dccb;background:#fdfcf7;color:#7d8770;border-radius:6px;font-size:10px}.answer>.icon{width:17px;height:17px;margin-left:auto}.answer:disabled{opacity:1}.answer.answer-correct{background:#e6efdf;border-color:#7a9c6c;color:#355430}.answer-correct .answer-letter{background:#5e8353;border-color:#5e8353;color:white}.answer.answer-wrong{background:#f6e7df;border-color:#d4a38d;color:#9c604b}.answer-wrong .answer-letter{background:#c38c73;border-color:#c38c73;color:white}.answer.eliminated{opacity:.24}.lifelines{display:flex;align-items:center;justify-content:center;gap:21px;padding-top:26px}.lifelines>span{font-size:8px;letter-spacing:1px;color:#9a9f8c}.lifelines>button{display:flex;align-items:center;gap:7px;background:transparent;border:0;padding:5px;color:#707e62;font-size:10px}.lifelines b{font-size:11px;font-weight:650}.lifelines .icon{width:15px;height:15px}.no-timer{font-size:9px;color:#979e88;text-align:center;margin:23px 0 0}.no-timer .icon{width:12px;height:12px;margin-right:6px}.game-score{display:flex;align-items:center;justify-content:space-between;margin:22px 4px}.game-score>span{font-size:19px;font-family:var(--serif)}.game-score>span>.icon{color:#ac8b50;width:19px;height:19px;margin-right:5px}.game-score small{font-family:var(--sans);font-size:10px;color:#8c937e}.game-score .text-button{font-size:9px;color:#8c937e}.game-score .text-button .icon{width:12px;height:12px}.explanation{border-radius:10px;margin-top:22px;padding:22px;background:#eef2e4}.explanation-wrong{background:#f6ede5}.explanation-skip{background:#eef0e6}.explanation-heading{display:flex;align-items:center;gap:8px;font-size:12px;color:#4c7143}.explanation-heading>.icon{width:18px;height:18px}.explanation-heading>span{margin-left:auto;font-size:11px}.explanation-wrong .explanation-heading{color:#a87457}.explanation-skip .explanation-heading{color:#778268}.explanation>p{font-size:12px;line-height:1.9;color:#6c765e;margin:13px 0}.explanation>p.correct-answer{font-size:11px;margin-bottom:-4px}.source-link{display:inline-flex;align-items:center;gap:7px;font-size:10px;color:#587347;border-bottom:1px solid #b6c3a3;padding-bottom:3px;margin:2px 0 0}.source-link:hover{color:#a06748}.source-link .icon{width:12px;height:12px}.explanation-actions{border-top:1px solid #d9dfcd;display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:18px;padding-top:13px}.explanation-actions .text-button{font-size:9px;color:#7e896f}.explanation-actions .text-button .icon{width:13px;height:13px}.explanation-actions .saved{color:#3d703a}.explanation-actions .saved>.icon{fill:#d2e2bf}.next-button{width:100%;margin-top:18px;min-height:47px;justify-content:space-between}.results-shell{max-width:820px;text-align:center;margin:42px auto 0}.result-medallion{width:78px;height:78px;border:1px solid #cbd3b4;outline:1px solid #e1e6d2;outline-offset:7px;background:#e9edcf;display:grid;place-items:center;border-radius:50%;margin:10px auto 27px;color:#738353}.result-medallion .icon{width:32px;height:32px}.results-shell>h1{font-family:var(--serif);font-weight:400;font-size:39px;letter-spacing:-1px;line-height:1.25;margin:15px 0}.results-shell>p{font-size:12px;line-height:1.8;color:var(--muted)}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 0;margin:30px auto;max-width:590px}.result-stats>div{display:flex;flex-direction:column;gap:10px;border-right:1px solid var(--line)}.result-stats>div:last-child{border:0}.result-stats strong{font-size:35px;font-family:var(--serif);font-weight:400}.result-stats strong>small{font-size:19px;color:#a0a48f}.result-stats span{font-size:8px;letter-spacing:1px;color:#8c947f}.result-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.review-section{text-align:left;margin:44px 0 0}.review-item{border:1px solid var(--line);border-radius:9px;margin-bottom:10px;background:#fbfaf4;overflow:hidden}.review-item summary{display:flex;align-items:center;gap:13px;padding:17px 18px;cursor:pointer;list-style:none;font-size:12px;line-height:1.6}.review-item summary::-webkit-details-marker{display:none}.review-symbol{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#eaeedc;color:#839365;flex-shrink:0}.review-symbol .icon{width:15px;height:15px}.review-symbol.is-correct{background:#e3eddb;color:#70905b}.review-symbol.is-wrong{background:#f0e3d8;color:#b18565}.review-item summary>span:nth-child(2){flex:1}.review-item summary small{display:block;font-size:9px;color:#979b8a;margin-top:4px}.expand{font-size:20px;color:#8f987f;font-weight:300;margin-left:auto}.review-item[open] .expand{transform:rotate(45deg)}.review-content{padding:4px 25px 22px 61px}.review-content>strong{font-size:12px}.review-content>p{font-size:12px;color:#7f8772;line-height:1.8}.review-content>p.your-answer{font-size:10px;color:#b08067}.review-content>p.personal-note{background:#f1eedf;padding:10px;border-radius:6px;font-size:10px;white-space:pre-wrap;overflow-wrap:anywhere}.review-content .explanation-actions{border-color:var(--line)}
/* Journey and notebook */
.journey-stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:12px;padding:28px 0;background:#f1f1e7}.journey-stats>div{display:flex;flex-direction:column;align-items:center;gap:12px;border-right:1px solid #dedfce}.journey-stats>div:last-child{border:0}.journey-stats .icon{color:#829469;width:18px;height:18px}.journey-stats strong{font-family:var(--serif);font-size:37px;font-weight:400}.journey-stats span{font-size:8px;letter-spacing:1.2px;color:#8b927c}.journey-section{margin-top:36px}.topic-performance{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.performance-card{border:1px solid var(--line);border-radius:9px;display:flex;align-items:center;gap:12px;padding:18px;background:#fbfaf5}.performance-card>div{flex:1}.performance-card strong{font-size:11px;font-weight:550}.performance-card small{font-size:8px;color:#919780}.performance-card>b{font-size:13px;font-weight:500;color:var(--topic-ink)}.performance-bar{height:4px;border-radius:4px;background:var(--topic-color);overflow:hidden;margin:9px 0 5px}.performance-bar>i{display:block;height:100%;background:var(--topic-ink);border-radius:4px}.history-list{border:1px solid var(--line);border-radius:10px;padding:0 22px;background:#faf9f3}.history-item{display:flex;align-items:center;gap:15px;padding:18px 0;border-bottom:1px solid var(--line)}.history-item:last-child{border:0}.history-icon{background:#e9edda;color:#839365;display:grid;place-items:center;width:33px;height:33px;border-radius:9px}.history-icon .icon{width:18px;height:18px}.history-item>div{flex:1}.history-item strong{font-size:11px;font-weight:550}.history-item>div>small{display:block;color:#9a9e8e;font-size:9px;margin-top:6px}.history-item>strong{font-size:16px;font-family:var(--serif)}.history-item>strong>small{font-family:var(--sans);font-size:9px;color:#959d86;font-weight:400}.privacy-note{text-align:center;font-size:9px;color:#9b9f8c;margin:29px 0 0;line-height:1.8}.notebook-doodle{color:#b0b68d;transform:rotate(-12deg);margin-right:30px}.notebook-doodle .icon{width:68px;height:68px;stroke-width:.8}.notebook-tabs{display:flex;gap:25px;border-bottom:1px solid var(--line);margin:4px 0 24px}.notebook-tabs button{background:transparent;border:0;padding:15px 0;border-bottom:2px solid transparent;font-size:11px;color:#949a84;display:flex;align-items:center;gap:8px}.notebook-tabs button[aria-selected=true]{color:var(--green);border-bottom-color:var(--green)}.notebook-tabs button>span{font-size:8px;border-radius:20px;padding:3px 6px;background:#ebeddf;min-width:19px}.empty-state{padding:48px 20px;text-align:center;border:1px dashed #d5dbc6;border-radius:12px;background:#f3f4e9}.empty-state>span{display:grid;place-items:center;background:#e7ebd2;width:55px;height:55px;border-radius:50%;margin:0 auto 20px;color:#879668}.empty-state>span>.icon{width:25px;height:25px}.empty-state h2{font-family:var(--serif);font-size:26px;font-weight:400;margin:0}.empty-state p{font-size:12px;line-height:1.8;color:#8e9680;max-width:390px;margin:15px auto 23px}.notebook-list .empty-state{min-height:350px;padding-top:60px}
/* Dialogs */
dialog{border:1px solid #dfe2d1;border-radius:17px;background:var(--paper);color:var(--ink);padding:36px;width:min(480px,calc(100% - 32px));max-height:calc(100dvh - 40px);box-shadow:0 25px 100px #24382920}dialog::backdrop{background:#25322166;backdrop-filter:blur(4px)}#modal-content{position:relative}.modal-close{position:absolute;right:-20px;top:-20px;width:29px;height:29px}.modal-close .icon{width:15px;height:15px}.dialog-symbol{width:48px;height:48px;background:#e7ebd2;color:#7c905a;border-radius:14px;display:grid;place-items:center;margin-bottom:22px}.dialog-symbol .icon{width:23px;height:23px}dialog h2{font-family:var(--serif);font-size:31px;font-weight:400;line-height:1.2;letter-spacing:-.5px;margin:13px 0 17px}dialog p{font-size:12px;line-height:1.9;color:#7d8670}dialog .eyebrow{font-size:8px}.full-width{width:100%}.dialog-buttons{display:flex;flex-direction:column;gap:12px;margin-top:23px}.level-list{margin:21px 0}.level-list>div{display:flex;align-items:center;gap:13px;padding:12px 0;border-bottom:1px solid var(--line)}.level-list>div>span{display:grid;place-items:center;width:28px;height:28px;background:#e8ecd7;border-radius:50%;font-size:11px;color:#7c8d60}.level-list>div>div{flex:1}.level-list strong{font-size:11px;font-weight:550}.level-list small{display:block;font-size:9px;color:#8f987e;margin-top:4px}.level-list b{font-size:10px;font-weight:400;color:#8f987e}.setting-row{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:23px 0;margin:23px 0}.setting-row strong{font-size:12px;font-weight:600}.setting-row small{display:block;color:#8b957b;font-size:10px;margin-top:7px}.switch{width:41px;height:24px;border:0;padding:3px;background:#d7dccb;border-radius:20px}.switch i{display:block;background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .15s}.switch.on{background:#5d7c4d}.switch.on i{transform:translateX(17px)}.setting-note{display:flex;gap:14px;margin-bottom:23px}.setting-note>.icon{width:19px;color:#8f9e77;margin-top:2px}.setting-note strong{font-size:12px;font-weight:600}.setting-note p{font-size:11px;margin:7px 0 0}.settings-footnote{text-align:center;font-size:9px;margin:20px 0 0}.install-steps{padding-left:20px;margin:20px 0 26px;color:#7b8869}.install-steps li{padding-left:7px;margin-bottom:18px;font-size:12px}.install-steps strong{font-weight:550}.install-steps p{font-size:11px;margin:5px 0}blockquote{font-family:var(--serif);font-size:18px;line-height:1.5;border-left:2px solid #b1bf92;padding:4px 0 4px 16px;margin:20px 0;color:#65744f}form label{display:block;font-size:11px;margin:23px 0 9px}textarea{width:100%;resize:vertical;background:#fdfcf7;border:1px solid #d5dbc5;border-radius:7px;padding:12px;color:var(--ink);font-size:12px;line-height:1.7}textarea::placeholder{color:#a3a791}p.form-help{font-size:9px;line-height:1.7}.delete-note{display:flex;margin:15px auto 0;font-size:10px;color:#a77c62}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,20px);background:#294d3c;color:#f6f6e8;padding:14px 22px;border-radius:9px;font-size:11px;line-height:1.6;box-shadow:0 8px 35px #263b2320;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:10;max-width:calc(100vw - 32px);width:max-content}#toast.visible{opacity:1;transform:translate(-50%,0)}
@media(min-width:1500px){.site-header{height:114px}#app{padding-top:10px}.page-heading{padding:52px 0 37px}.feature-grid{gap:24px}.daily-card,.climb-card{min-height:370px}.daily-card{padding:35px 37px}.daily-card h2{font-size:54px}.curiosity-art{width:315px;right:12px;top:43px}.climb-card{padding:34px}.climb-card h2{font-size:32px}.mini-ladder{margin-top:19px}.explore-section{margin-top:39px}.topic-card{min-height:95px}.home-bottom{margin-top:35px;padding-top:29px}}
@media(max-width:1270px){.site-header,.site-footer{margin-left:35px;margin-right:35px}#app{margin-left:65px;margin-right:65px}.desktop-nav{margin-left:0}.solo-label{font-size:8px;letter-spacing:.9px}.curiosity-art{width:260px;right:-4px;top:57px}.daily-content{max-width:70%}.daily-card{padding:30px}.daily-meta{gap:12px}.climb-card{padding:30px 24px}.climb-card h2{font-size:27px}.topic-card{padding:15px;gap:12px}.topic-icon{width:39px;height:39px}.topic-copy strong{font-size:11px}.topic-copy small{font-size:8px}}
@media(max-width:1000px){.site-header{height:88px}.solo-label{display:none}#app{margin-left:35px;margin-right:35px}.feature-grid{grid-template-columns:1.8fr 1fr;gap:16px}.daily-card{padding:29px 25px}.daily-card h2{font-size:44px}.daily-meta{gap:9px;font-size:8px}.curiosity-art{width:215px;right:-12px;top:68px}.climb-card{padding:30px 20px}.climb-card h2{font-size:25px}.climb-card>p{font-size:10px}.mini-ladder{gap:5px}.mini-ladder small{font-size:6px}.topic-grid{gap:10px}.topic-card{gap:10px;padding:15px 12px}.topic-copy small{font-size:7px}.topic-arrow .icon{width:12px}.topic-icon{width:35px;height:35px;border-radius:10px}.topic-icon .icon{width:21px;height:21px}.learning-note p{max-width:390px}.tiny-stat{padding-left:15px}.topic-performance{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.site-header{margin:0 24px;padding:0;height:80px}.brand{font-size:35px}.brand-mark{font-size:36px}.desktop-nav{gap:24px}.desktop-nav a{font-size:11px}.header-actions{gap:0}.icon-button{width:33px;height:33px}#app{margin:0 24px;padding-bottom:33px}.page-heading{padding:35px 0 28px}.page-heading h1{font-size:43px}.page-heading p{font-size:11px;max-width:330px}.page-heading .eyebrow{font-size:8px;letter-spacing:1.7px}.streak-chip{padding:10px 12px;font-size:9px;gap:7px}.streak-chip .icon{width:15px;height:15px}.feature-grid{grid-template-columns:1fr}.daily-card{min-height:340px;padding:30px}.daily-card h2{font-size:48px}.daily-content{max-width:70%}.daily-card p{font-size:12px}.daily-meta{font-size:9px;gap:15px}.curiosity-art{width:270px;right:0;top:43px}.climb-card{min-height:130px;padding:23px;display:grid;grid-template-columns:1fr 1.2fr;gap:8px 20px}.climb-card .eyebrow{font-size:7px;grid-column:1}.climb-card h2{font-size:24px;grid-column:1;margin:3px 0;line-height:1.15}.climb-card h2 br{display:none}.climb-card>p{display:none}.mini-ladder{grid-column:2;grid-row:1 / 4;margin:5px 0 0;height:85px;align-self:center}.mini-ladder small{font-size:7px}.climb-link{grid-column:1;font-size:9px;justify-self:start;align-self:end;margin-top:7px}.climb-link .icon{margin-left:4px}.topic-grid{grid-template-columns:repeat(2,1fr)}.topic-card{min-height:84px;padding:17px;gap:14px}.topic-icon{width:40px;height:40px}.topic-copy strong{font-size:11px}.topic-copy small{font-size:8px}.home-bottom{margin-top:26px;padding-top:23px}.learning-note p{max-width:290px;font-size:8px}.tiny-stat small{font-size:8px}.tiny-stat small .icon{display:none}.site-footer{margin:0 24px;padding:23px 0;font-size:8px}.footer-brand{font-size:10px}.site-footer>span{display:none}.site-footer>.text-button{font-size:8px}.game-shell{padding-top:27px}.question-title{font-size:30px}.question-panel{padding:25px}.answers{gap:10px}.answer{padding:13px;gap:10px;font-size:11px}.result-stats{margin-top:24px}.results-shell>h1{font-size:34px}.notebook-doodle{margin-right:10px}.notebook-doodle .icon{width:50px;height:50px}.notebook-tabs{gap:20px}.notebook-tabs button{font-size:10px}.resume-banner>span{flex-wrap:wrap}.resume-banner small{margin-left:24px;width:100%}.resume-banner strong{white-space:nowrap;font-size:9px}.section-title>span{font-size:8px}}
@media(max-width:520px){body{padding-bottom:calc(70px + env(safe-area-inset-bottom))}.site-header{height:75px;margin:0 21px}.brand{font-size:35px}.brand-mark{font-size:36px}.desktop-nav{display:none}.header-actions:before{content:'STAY A LITTLE CURIOUS';font-size:7px;letter-spacing:1.3px;color:#929b80;margin-right:16px}.header-actions .icon-button{width:32px;height:32px}.header-actions .icon{width:17px;height:17px}#app{margin:0 21px;padding-bottom:28px}.page-heading{padding:31px 0 24px;position:relative;align-items:flex-start}.page-heading h1{font-size:41px;margin:12px 0 12px;letter-spacing:-1.8px}.page-heading p{font-size:11px;max-width:265px;line-height:1.8}.page-heading .eyebrow{font-size:7px;letter-spacing:1.5px}.streak-chip{position:absolute;right:0;top:55px;padding:6px 9px;border-radius:20px;font-size:8px;gap:5px;background:transparent;margin:0}.streak-chip>span{font-size:0}.streak-chip strong{font-size:8px;margin:0}.streak-chip .icon{width:13px;height:13px}.feature-grid{gap:14px}.daily-card{padding:26px;min-height:347px;border-radius:13px}.daily-content{max-width:100%}.pill{font-size:7px;gap:6px;letter-spacing:1.1px}.daily-card h2{font-size:46px;line-height:1.04;margin:23px 0 15px;max-width:230px;letter-spacing:-1.5px}.daily-card p{font-size:11px;line-height:1.8;max-width:240px;position:relative;z-index:1}.curiosity-art{width:185px;right:-25px;top:63px;opacity:.85}.daily-card h2{position:relative;z-index:1}.daily-meta{font-size:8px;gap:14px;margin-top:21px;margin-bottom:20px}.daily-meta .icon{width:12px;height:12px}.button{font-size:11px;padding:13px 19px;min-height:44px;gap:22px}.daily-card .button{min-width:172px;justify-content:space-between}.daily-caption{font-size:7px;max-width:220px;margin-top:10px}.card-corner{font-size:5px;right:15px;bottom:17px;letter-spacing:1px;writing-mode:vertical-rl}.climb-card{padding:22px;grid-template-columns:1.1fr 1fr;gap:8px 12px;border-radius:13px;min-height:145px}.climb-card h2{font-size:23px}.climb-card .eyebrow{font-size:6px;letter-spacing:1.1px}.mini-ladder{gap:3px;height:78px}.mini-ladder span{width:17px;height:17px;font-size:7px}.mini-ladder small{font-size:5px;top:24px}.mini-ladder i{top:14px;transform:rotate(-22deg)}.mini-ladder>div{height:calc(15px + var(--step)*10px)}.climb-link{font-size:8px}.climb-link .icon{width:11px;height:11px}.explore-section{margin-top:28px}.section-title{margin-bottom:17px}.section-title h2{font-size:22px}.section-title p{font-size:9px;line-height:1.6;margin-top:6px}.section-title>.text-button{font-size:9px;gap:4px;white-space:nowrap}.section-title>.text-button .icon{width:12px;height:12px}.topic-grid{gap:10px}.topic-card{min-height:101px;display:grid;grid-template-columns:34px 1fr;gap:10px 5px;padding:15px;border-radius:10px;position:relative}.topic-icon{width:34px;height:34px;border-radius:10px}.topic-icon .icon{width:20px;height:20px}.topic-copy{grid-column:1 / 3;gap:5px}.topic-copy strong{font-size:11px}.topic-copy small{font-size:8px;line-height:1.5}.topic-arrow{position:absolute;right:13px;top:24px}.topic-arrow .icon{width:12px;height:12px}.topic-note{font-size:8px;line-height:1.7;margin-top:12px;max-width:270px}.home-bottom{display:block;margin-top:25px;padding-top:23px}.learning-note{gap:11px}.note-icon{width:33px;height:33px;flex-shrink:0}.learning-note strong{font-size:10px}.learning-note p{font-size:9px;line-height:1.8;max-width:290px}.tiny-stat{display:none}.site-footer{margin:0 21px;padding:20px 0;gap:10px}.footer-brand{font-size:10px;line-height:1.6;max-width:150px}.site-footer>.text-button{font-size:8px}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(3,1fr);bottom:0;left:0;right:0;background:#f7f6f0ed;backdrop-filter:blur(16px);border-top:1px solid #e0e3d4;padding:10px 10px calc(12px + env(safe-area-inset-bottom));z-index:5}.mobile-nav a{display:flex;align-items:center;flex-direction:column;gap:5px;font-size:8px;color:#989e8a}.mobile-nav .icon{width:19px;height:19px}.mobile-nav a.active{color:#33583d}.mobile-nav a.active>span{position:relative}.mobile-nav a.active>span:before{content:'';position:absolute;background:#e4e9d4;width:42px;height:27px;border-radius:14px;left:-11px;top:-3px;z-index:-1}.resume-banner{padding:13px;gap:5px}.resume-banner>span{font-size:10px;gap:5px}.resume-banner>span>.icon{width:12px;height:12px}.resume-banner small{font-size:8px;margin-left:17px}.resume-banner strong{font-size:8px;gap:2px}.resume-banner strong>.icon{width:12px;height:12px}.game-shell{padding-top:23px}.game-toolbar>.text-button{font-size:9px;gap:5px}.game-toolbar>.text-button .icon{width:14px;height:14px}.game-toolbar>span:not(.hearts){font-size:7px;letter-spacing:.9px}.hearts{gap:4px}.hearts .icon{width:15px;height:15px}.game-progress{gap:3px;margin:20px 0 23px}.game-progress>span{height:3px}.question-meta{margin-bottom:15px}.topic-tag{font-size:9px;padding:7px 10px}.topic-tag .icon{width:13px;height:13px}.question-meta>span:last-child{font-size:7px;letter-spacing:1px}.question-panel{padding:22px 18px;border-radius:12px}.question-level{gap:9px}.question-level>span:first-child{width:32px;height:32px;font-size:13px;border-radius:8px}.question-level strong{font-size:10px}.question-level>div>small{font-size:8px;max-width:175px;line-height:1.5}.question-level .points{font-size:8px}.question-title{font-size:28px;letter-spacing:-.5px;line-height:1.25;margin:25px 0 23px}.answers{grid-template-columns:1fr;gap:10px}.answer{min-height:57px;font-size:11px;padding:12px;gap:11px}.answer-letter{width:27px;height:27px;font-size:10px}.lifelines{gap:15px;flex-wrap:wrap;padding-top:22px}.lifelines>span{font-size:7px;letter-spacing:.8px}.lifelines>button{gap:5px;font-size:9px}.lifelines b{font-size:10px}.lifelines .icon{width:13px;height:13px}.no-timer{font-size:8px;line-height:1.6;margin-top:18px}.no-timer>.icon{width:11px;height:11px}.game-score{margin:18px 2px}.game-score>span{font-size:20px}.explanation{padding:17px;margin-top:18px}.explanation-heading{font-size:10px;gap:6px;line-height:1.5}.explanation-heading>.icon{width:16px;height:16px}.explanation-heading>span{font-size:9px;white-space:nowrap}.explanation>p{font-size:11px;line-height:1.85}.explanation>p.correct-answer{font-size:10px}.source-link{font-size:9px}.explanation-actions{gap:10px;flex-wrap:wrap;padding-top:12px;margin-top:16px}.explanation-actions .text-button{font-size:8px;gap:5px}.explanation-actions .text-button .icon{width:12px;height:12px}.next-button{font-size:11px}.results-shell{margin-top:35px}.results-shell>h1{font-size:33px;line-height:1.2}.results-shell>.eyebrow{font-size:7px;letter-spacing:1.3px}.results-shell>p{font-size:11px;max-width:300px;margin:15px auto}.result-medallion{width:63px;height:63px;margin-bottom:29px}.result-medallion .icon{width:27px;height:27px}.result-stats{padding:21px 0;margin:25px 0}.result-stats strong{font-size:29px}.result-stats strong>small{font-size:16px}.result-stats span{font-size:6px;letter-spacing:.8px}.result-actions{flex-direction:column}.review-section{margin-top:34px}.review-section .section-title{align-items:flex-start}.review-section .section-title h2{font-size:20px;max-width:190px}.review-section .section-title>span{font-size:7px;line-height:1.6;max-width:115px;text-align:right}.review-item summary{padding:15px 13px;gap:10px;font-size:11px}.review-symbol{width:26px;height:26px}.review-symbol .icon{width:13px;height:13px}.review-item summary small{font-size:8px}.review-content{padding:1px 18px 19px 49px}.review-content>strong{font-size:11px}.review-content>p{font-size:11px}.journey-stats{grid-template-columns:repeat(2,1fr);padding:0 18px}.journey-stats>div{padding:23px 0;gap:10px}.journey-stats>div:nth-child(2){border:0}.journey-stats>div:nth-child(-n+2){border-bottom:1px solid #dedfce}.journey-stats strong{font-size:32px}.journey-stats span{font-size:7px;letter-spacing:1px}.journey-stats .icon{width:17px;height:17px}.journey-section{margin-top:28px}.journey-section .section-title h2{font-size:21px}.journey-section .section-title>span{font-size:6px;letter-spacing:.7px;text-align:right}.topic-performance{grid-template-columns:1fr;gap:10px}.performance-card{padding:16px}.performance-card .topic-icon{width:36px;height:36px}.performance-card strong{font-size:11px}.performance-card small{font-size:9px}.performance-card>b{font-size:14px}.history-list{padding:0 15px}.history-item{gap:11px;padding:16px 0}.history-item strong{font-size:10px}.history-item>div>small{font-size:8px;line-height:1.6}.history-item>strong{font-size:15px;white-space:nowrap}.history-icon{width:29px;height:29px;flex-shrink:0}.privacy-note{font-size:8px;margin-top:23px}.notebook-doodle{display:none}.notebook-tabs{gap:17px;justify-content:space-between}.notebook-tabs button{font-size:9px;gap:5px;padding:12px 0}.notebook-tabs button>span{font-size:7px;min-width:17px;padding:3px 5px}.empty-state h2{font-size:25px;line-height:1.2}.empty-state p{font-size:11px;line-height:1.8}.notebook-list .empty-state{min-height:355px;padding-top:55px}dialog{padding:29px 25px;border-radius:14px;max-height:calc(100dvh - 32px);width:calc(100% - 28px)}dialog h2{font-size:30px}.modal-close{top:-14px;right:-12px}dialog p{font-size:11px;line-height:1.85}.dialog-symbol{width:43px;height:43px;margin-bottom:19px}.level-list>div{padding:10px 0}.level-list strong{font-size:10px}.level-list small{font-size:8px}.level-list b{font-size:9px}.level-list>div>span{width:25px;height:25px;font-size:10px}.level-list{margin:18px 0}.full-width{font-size:10px}#toast{bottom:calc(80px + env(safe-area-inset-bottom));font-size:10px;padding:12px 17px}}
@media(max-width:360px){.site-header,#app,.site-footer{margin-left:16px;margin-right:16px}.header-actions:before{font-size:6px;letter-spacing:1px;margin-right:12px}.daily-card{padding:24px 21px}.daily-card h2{font-size:43px}.daily-card .curiosity-art{right:-36px;width:174px;top:76px;opacity:.65}.streak-chip{top:54px}.page-heading h1{font-size:37px}.climb-card{padding:19px 17px}.climb-card h2{font-size:22px}.climb-card .eyebrow{font-size:5.5px}.topic-card{padding:13px}.topic-copy strong{font-size:10px}.topic-copy small{font-size:7px}.notebook-tabs{gap:9px}.notebook-tabs button{font-size:8px}.lifelines{gap:10px}.question-panel{padding:20px 15px}.question-title{font-size:26px}}
@media(max-width:760px){.climb-card h2 br{display:initial}}
@media(max-width:520px){.topic-copy strong{font-size:12px}.topic-copy small{font-size:9px}.header-actions .icon-button{width:42px;height:42px}.lifelines>button{min-height:40px}.notebook-tabs button{min-height:44px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}