:root{--ink:#272738;--muted:#7d7b8b;--purple:#6b57b8;--purple-dark:#544295;--lilac:#f0ecfa;--line:#e9e6ee;--page:#f8f7fa;--green:#467c69;--serif:Georgia,'Times New Roman',serif;--sans:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--page);font-family:var(--sans);font-size:15px;line-height:1.65;color:var(--ink)}button,a,textarea{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.43}a{color:inherit}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid #a58ce1;outline-offset:4px}.sr-only,.skip-link:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link:focus{position:fixed;z-index:20;background:white;padding:12px}
.sidebar{width:262px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);padding:30px 22px 22px;display:flex;flex-direction:column;z-index:2}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;font-weight:700;font-size:19px;line-height:1.4;letter-spacing:-.6px}.brand-mark{background:var(--purple);color:white;width:39px;height:42px;display:grid;place-items:center;border-radius:12px;font-size:31px;font-weight:400}.brand-sub{display:block;font-weight:400;color:var(--muted);font-size:10px;letter-spacing:0;margin-top:3px}.sidebar-caption{font-size:9px;font-weight:700;color:#9995a5;letter-spacing:1.7px;margin:45px 12px 12px}.section-label{margin-top:34px}.side-home{border:0;width:100%;background:var(--lilac);color:var(--purple-dark);padding:12px 13px;border-radius:8px;text-align:left;font-weight:600;font-size:12px;display:flex;align-items:center;gap:11px}.side-home>span:first-child{font-size:21px}.tiny-arrow{margin-left:auto;font-size:18px;font-weight:400}.module-button{display:flex;gap:13px;width:100%;align-items:center;text-align:left;padding:12px 10px;background:transparent;border:0;border-radius:8px;color:#87828f;font-size:12px;margin:3px 0}.module-index{width:24px;height:24px;border:1px solid #e4dfeb;border-radius:50%;display:grid;place-items:center;font-size:10px;flex-shrink:0}.module-button.selected{color:var(--purple-dark);font-weight:700;background:#faf8fd}.module-button.selected .module-index{background:var(--purple);border-color:var(--purple);color:white}.module-button.finished .module-index{border-color:#c8dfd4;background:#eff7f3;color:var(--green)}.sidebar-tip{margin-top:auto;background:#faf8f3;border:1px solid #eeebe2;border-radius:11px;padding:15px;font-size:11px;color:#8b8475}.tip-symbol{color:#ac9165;font-size:24px;display:block;margin-bottom:5px}.sidebar-tip strong{color:#6e6558;font-size:12px;font-weight:600}.sidebar-tip p{margin:6px 0 0;line-height:1.8}.profile{display:flex;align-items:center;gap:9px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}.avatar{width:32px;height:32px;background:#eae4f6;border-radius:50%;display:grid;place-items:center;color:var(--purple);font-size:12px}.profile strong{font-size:10px;display:block;font-weight:600}.profile small{font-size:9px;color:var(--muted);display:block}.profile-dot{height:6px;width:6px;border-radius:50%;background:#86a494;margin-left:auto}
.workspace{margin-left:262px}.topbar{height:74px;border-bottom:1px solid var(--line);padding:0 42px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.55);font-size:11px}.breadcrumb{color:#96919f}.breadcrumb span{margin:0 12px;color:#c9c4d1}.breadcrumb strong{font-weight:500;color:#605b6c}.save-status{color:#8a8594;display:flex;gap:7px;align-items:center;font-size:10px}.status-dot{width:5px;height:5px;border-radius:50%;background:#80a590}main{padding:40px 42px 0;max-width:1390px;margin:auto}.page-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:26px}.eyebrow{color:#9b91af;font-size:9px;letter-spacing:1.4px;font-weight:700}.page-heading h1{font-family:var(--serif);font-size:32px;line-height:1.3;font-weight:400;letter-spacing:-.9px;margin:8px 0 9px}.page-heading p{font-size:12px;color:#8a8394;margin:0;max-width:620px}.outline-button{background:white;border:1px solid #e0dbe9;border-radius:7px;font-size:11px;padding:10px 14px;white-space:nowrap;color:#61586e;box-shadow:0 2px 2px #271c4903}.outline-button span{font-size:17px;vertical-align:middle;margin-right:7px}.journey{border:1px solid #e5def1;background:linear-gradient(115deg,#f1edf9,#f8f6fc);padding:19px 23px 14px;border-radius:12px;margin-bottom:27px}.journey-top{display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:11px}.journey-top>div{display:flex;align-items:center;gap:9px}.journey-top strong{color:#695986;font-size:12px;font-weight:500}.journey-icon{color:#8c79b6;font-size:22px}.progress-label{color:#9384aa;font-size:10px}.progress-track{height:5px;border-radius:4px;background:#e1d8ed;overflow:hidden;margin:12px 0 10px}.progress-track>div{height:100%;background:#8b74be;border-radius:4px;width:0;transition:width .35s ease}.journey-bottom{display:flex;justify-content:space-between;font-size:9px;color:#9e91ae}.journey-bottom strong{font-weight:500;color:#8c7b9f}
.learning-layout{display:grid;grid-template-columns:minmax(0,1fr) 254px;gap:23px;align-items:start}.lesson-card{background:white;border:1px solid #e6e2ec;border-radius:13px;padding:27px 32px 24px;box-shadow:0 3px 12px #30264703}.lesson-meta{display:flex;justify-content:space-between;align-items:center;font-size:10px}.module-chip{padding:4px 10px;background:#f1ecf8;color:#8a74a7;border-radius:4px;font-size:9px}.duration{font-size:10px;color:#a49caa}.lesson-number{margin-top:27px;font-size:9px;font-weight:700;letter-spacing:1.8px;color:#aca3b6}.lesson-card h2{font-family:var(--serif);font-size:29px;line-height:1.35;font-weight:400;letter-spacing:-.6px;margin:9px 0 13px;max-width:560px}.lesson-card h2:focus{outline:0}.lesson-intro{font-size:12px;line-height:1.95;color:#928998;margin:0}.lesson-rule{height:1px;background:#f0edf2;margin:23px 0}.content-block h3{font-size:14px;font-weight:600;color:#51475c;margin:21px 0 9px}.content-block:first-child h3{margin-top:0}.content-block p{font-size:12px;color:#817888;line-height:2;margin:9px 0}.example-box{border:1px solid #e9e3f2;background:#f8f5fc;padding:18px 20px;margin:23px 0;border-radius:8px}.box-caption{font-size:8px;letter-spacing:1px;font-weight:700;color:#a18bb9;display:flex;gap:7px;align-items:center}.box-caption span{font-size:16px}.example-box p{font-size:12px;line-height:1.95;margin:9px 0 0;color:#776486}.takeaway{display:flex;gap:12px;color:#b49970;padding:3px 0 23px}.takeaway>span{font-size:24px;line-height:1.4}.takeaway p{margin:0;font-size:11px;line-height:1.9;color:#97866d}.takeaway strong{display:block;font-size:11px;font-weight:600;color:#8f7757;margin-bottom:3px}.takeaway p>span{display:block}.completion-row{border-top:1px solid #efebf2;padding-top:20px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}.complete-button{background:#f2f7f4;border:1px solid #d9e8df;border-radius:6px;padding:9px 12px;font-size:10px;color:#70937f;display:flex;align-items:center;gap:7px}.complete-button.done{background:#e4efe8;color:#497c5d;opacity:1}.completion-row>span{font-size:9px;color:#b2aab8}.lesson-navigation{display:flex;justify-content:space-between;align-items:center;padding:22px 0 15px;gap:8px}.nav-button{display:flex;align-items:center;gap:12px;border:0;background:transparent;color:#81728f;padding:6px 0;text-align:left;font-size:11px}.nav-button small{display:block;font-size:7px;letter-spacing:1.5px;color:#b3a8bc;margin-bottom:2px}.nav-button.next{text-align:right;color:#6e5688}.nav-button.next small{color:#ae9cbb}.nav-icon{width:31px;height:31px;border:1px solid #e5dfeb;border-radius:50%;display:grid;place-items:center;background:white;font-size:16px}.nav-button.next .nav-icon{background:var(--purple);border-color:var(--purple);color:white}.page-count{font-size:9px;color:#b5aebd;font-variant-numeric:tabular-nums}
.exercise-card{background:#f6f0e5;border:1px solid #e9e0d0;padding:22px 21px 14px;border-radius:12px}.exercise-icon{width:34px;height:34px;background:#ece1ca;color:#ad9569;border-radius:10px;display:grid;place-items:center;font-size:23px;margin-bottom:15px}.card-eyebrow{font-size:8px;font-weight:600;letter-spacing:1.4px;color:#b19b76}.exercise-card h3{font-size:17px;font-family:var(--serif);font-weight:400;letter-spacing:-.3px;color:#77654d;margin:9px 0 11px}.exercise-card>p{font-size:11px;color:#a28e72;line-height:1.95;margin:0 0 17px}textarea{width:100%;resize:vertical;background:rgba(255,255,255,.65);border:1px solid #e7dcc9;border-radius:7px;padding:12px;color:#76674f;font:11px/1.9 var(--sans);min-height:124px}textarea::placeholder{color:#c2b198}.note-status{font-size:8px;color:#b7a78f;line-height:1.7;padding-top:8px}.next-card{border:1px solid #e6e0ec;border-radius:12px;background:white;padding:20px;margin-top:20px}.next-card .card-eyebrow{color:#b1a7bc}.next-card h3{font-size:14px;line-height:1.7;font-weight:500;margin:10px 0 8px;color:#736180}.next-card p{font-size:10px;color:#aaa0b2;line-height:1.9;margin:0}.next-card button{display:flex;justify-content:space-between;align-items:center;width:100%;background:transparent;border:0;border-top:1px solid #f0ebf4;padding:12px 0 0;margin-top:17px;color:#a08ab5;font-size:10px}.next-card button span{font-size:17px}.quiet-note{display:flex;gap:11px;padding:24px 8px;color:#aaa2b2;align-items:center}.quiet-note>span{font-size:18px;opacity:.6}.quiet-note p{font-size:9px;line-height:1.9;margin:0}footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #eae5ef;margin-top:18px;padding:19px 0 22px;color:#b4acbd;font-size:8px}
dialog{border:1px solid #e4ddec;border-radius:15px;padding:27px;width:min(750px,calc(100% - 30px));max-height:85vh;color:var(--ink);box-shadow:0 18px 85px #30204e30}dialog::backdrop{background:#24203755;backdrop-filter:blur(3px)}.dialog-header{display:flex;justify-content:space-between;gap:15px;align-items:center}.dialog-header h2{font-family:var(--serif);font-size:26px;font-weight:400;margin:7px 0}.close-button{border:1px solid #e3daed;background:white;border-radius:50%;width:32px;height:32px;font-size:22px;color:#8d7c9d}.dialog-intro,.dialog-footer{font-size:12px;color:#91859c;line-height:1.9}.program-module{margin:18px 0}.program-module h3{font-size:12px;color:#9b83ad;font-weight:600;margin:15px 0 8px}.program-lesson{width:100%;background:#faf8fd;border:1px solid #efeaf5;display:flex;align-items:center;gap:12px;text-align:left;border-radius:6px;padding:10px 13px;margin:5px 0;font-size:12px;color:#756480}.program-lesson.current{border-color:#a68cc4;background:#f2eafa}.program-lesson>span:first-child{width:21px;color:#b39fc2}.program-lesson>span:last-child{margin-left:auto;color:#739882}#toast{position:fixed;bottom:24px;left:calc(50% + 110px);transform:translateX(-50%);border:1px solid #d9e6dd;background:#fff;padding:10px 20px;border-radius:8px;color:#5f806c;font-size:12px;opacity:0;pointer-events:none;transition:opacity .2s;box-shadow:0 6px 24px #32304215;z-index:30}#toast.visible{opacity:1}
@media(min-width:1550px){main{padding-top:48px}.lesson-card{padding:34px 42px}.learning-layout{grid-template-columns:minmax(0,1fr) 285px;gap:28px}.lesson-card h2{font-size:34px}.content-block p,.lesson-intro,.example-box p{font-size:14px}.exercise-card>p{font-size:12px}.sidebar{width:275px}.workspace{margin-left:275px}}
@media(max-width:1100px){.sidebar{width:215px;padding:25px 15px}.workspace{margin-left:215px}.brand{font-size:16px}.brand-mark{width:33px;height:36px}.brand-sub{font-size:8px}.topbar{padding:0 25px}main{padding:30px 25px 0}.learning-layout{grid-template-columns:minmax(0,1fr) 220px;gap:17px}.lesson-card{padding:24px}.page-heading h1{font-size:28px}.save-status{font-size:9px}.module-button{font-size:11px}.sidebar-tip{display:none}.profile{margin-top:auto}.exercise-card{padding:18px}.lesson-card h2{font-size:26px}.completion-row>span{font-size:8px}.journey-top strong{font-size:11px}}
@media(max-width:850px){.sidebar{width:78px;padding:22px 12px}.brand{justify-content:center}.brand>span:last-child,.sidebar-caption,.side-home,.sidebar-tip,.profile{display:none}#module-nav{margin-top:32px}.module-button{font-size:0;justify-content:center;padding:12px 0}.module-index{width:31px;height:31px;font-size:11px}.workspace{margin-left:78px}.topbar{height:64px}.save-status{font-size:0}.save-status .status-dot{width:7px;height:7px}.page-heading h1{font-size:28px}.page-heading p{font-size:11px}.learning-layout{grid-template-columns:minmax(0,1fr) 210px;gap:16px}main{padding:30px 22px 0}.lesson-card{padding:23px}.journey{padding:15px 18px}.journey-top strong{font-size:10px}#toast{left:calc(50% + 39px)}}
@media(max-width:650px){.sidebar{display:none}.workspace{margin-left:0}.topbar{height:58px;padding:0 19px}.breadcrumb{font-size:10px}main{padding:25px 17px 0}.page-heading{align-items:flex-start;gap:8px;margin-bottom:20px}.page-heading h1{font-size:26px;max-width:250px;margin-top:8px}.page-heading p{max-width:320px;line-height:1.9;font-size:11px}.eyebrow{font-size:7px;letter-spacing:.8px}.outline-button{font-size:0;padding:6px 9px}.outline-button span{font-size:20px;margin:0}.learning-layout{grid-template-columns:1fr;gap:18px}.lesson-aside{display:grid;grid-template-columns:1fr;gap:16px}.exercise-card,.next-card{margin:0}.quiet-note{display:none}.journey-top strong{font-size:10px}.journey-top .journey-icon{display:none}.progress-label{font-size:9px;white-space:nowrap}.journey-bottom{font-size:8px}.journey{margin-bottom:18px}.lesson-card{padding:23px 22px}.lesson-card h2{font-size:27px}.lesson-intro,.content-block p,.example-box p{font-size:12px}.lesson-navigation{padding:18px 0 0}.nav-button{font-size:10px;gap:7px}.nav-icon{width:27px;height:27px}.page-count{font-size:8px}footer{font-size:8px;flex-direction:column;gap:5px}.exercise-card h3{font-size:20px}.exercise-card>p{font-size:12px}#toast{left:50%;max-width:92%;width:max-content;font-size:11px}.completion-row>span{font-size:9px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Keep the lesson readable in the app's narrower preview panel. */
.track-picker{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:0 0 25px}.track-picker>div:first-child strong{font-size:12px;display:block;color:#746580}.track-picker>div:first-child>span{font-size:10px;color:#a49aaf;display:block;margin-top:3px}.track-buttons{display:flex;gap:9px}.track-buttons button{border:1px solid #e3dceb;border-radius:8px;background:white;color:#887695;padding:10px 17px;font-size:12px;font-weight:600;text-align:left;min-width:125px}.track-buttons button>span{display:block;font-size:8px;font-weight:400;color:#ac9bb8;margin-top:2px}.track-buttons button[aria-pressed=true]{background:#6b57b8;border-color:#6b57b8;color:white;box-shadow:0 3px 9px #6b57b81c}.track-buttons button[aria-pressed=true]>span{color:#dfd5ef}.reminder-card{padding:20px 24px;margin:22px 0;background:#f1edf8;border:1px solid #e5deee;border-radius:10px;display:flex;align-items:center;justify-content:space-between;gap:18px}.reminder-card h3{font-size:17px;font-family:var(--serif);font-weight:400;color:#746080;margin:5px 0}.reminder-card p{font-size:10px;color:#a08baa;margin:0}.reminder-card .card-eyebrow{color:#ad94bb;font-size:7px}.email-label{display:block;font-size:12px;color:#776883;margin:20px 0 7px}#reminder-email{width:100%;border:1px solid #e1d8e9;border-radius:7px;padding:12px;font:14px var(--sans);color:#665070}.consent-label{display:flex;gap:8px;align-items:flex-start;font-size:11px;color:#8d7b97;line-height:1.8;margin:16px 0}.consent-label input{margin-top:5px}.reminder-submit{width:100%;justify-content:center;padding:12px}.reminder-submit:disabled{opacity:.65}
@media(max-width:650px){.track-picker{display:block}.track-picker>div:first-child{margin-bottom:12px}.track-buttons{width:100%}.track-buttons button{flex:1;min-width:0}.reminder-card{padding:17px;align-items:flex-start;flex-direction:column}.reminder-card .outline-button{font-size:11px}.reminder-card .outline-button span{font-size:14px}}
.lesson-intro,.content-block p,.example-box p{font-size:14px;color:#746a7d}.content-block h3{font-size:15px}.takeaway p{font-size:12px}.completion-row>span{font-size:10px}.exercise-card>p{font-size:12px}textarea{font-size:12px}.nav-button{font-size:12px}
@media(max-width:980px){.learning-layout{grid-template-columns:1fr}.lesson-aside{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.next-card{margin:0}.quiet-note{display:none}.lesson-card h2{font-size:30px}.lesson-card{padding:27px 29px}.journey-top strong{font-size:12px}.lesson-navigation{background:var(--page);border-radius:8px}}
@media(max-width:650px){.lesson-aside{grid-template-columns:1fr}.lesson-card{padding:24px 22px}.lesson-card h2{font-size:28px}.journey-top strong{font-size:10px}.lesson-intro,.content-block p,.example-box p{font-size:14px}.nav-button{font-size:11px}}