:root{color-scheme:light;--ink:#232b50;--muted:#626982;--paper:#faf8f3;--purple:#6550b5;--gold:#dfb85a;--line:#e4e1eb;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #9871d7;outline-offset:4px}[hidden]{display:none!important}.skip-link{position:fixed;left:16px;top:-100px;padding:12px;background:white;z-index:20}.skip-link:focus{top:16px}.learning-header{height:94px;max-width:1220px;margin:auto;padding:20px 36px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:16px}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;font-weight:800;font-size:16px;letter-spacing:1px}.brand img{width:92px;height:46px;object-fit:contain}.brand small{display:block;font-size:8px;letter-spacing:1.35px;margin-top:6px;color:var(--muted)}.account-link{font-size:13px;font-weight:600;text-decoration:none;padding:10px 0;white-space:nowrap}.account-link span{margin-left:10px}.learning-main{max-width:1120px;padding:0 24px;margin:auto}.lesson-intro{display:flex;align-items:center;justify-content:space-between;min-height:330px;padding:40px 8px 32px;gap:30px}.eyebrow{font-size:10px;font-weight:750;letter-spacing:1.9px;display:flex;align-items:center;gap:10px;margin:0 0 20px}.open-dot{width:6px;height:6px;border-radius:100%;background:#338770;box-shadow:0 0 0 4px #33877013}.intro-divider{opacity:.4;margin:0 6px}h1{font-family:Georgia,"Times New Roman",serif;font-weight:500;letter-spacing:-1.7px;font-size:clamp(35px,4.2vw,57px);line-height:1.04;margin:0 0 18px}h1 em{font-weight:400;color:var(--purple)}.intro-description{font-size:13px;line-height:1.8;color:var(--muted);margin:0}.lesson-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.lesson-badges span{border:1px solid #e3dfe9;border-radius:20px;background:#fff9;font-size:10px;font-weight:600;padding:7px 10px}.lesson-badges span:last-child{color:#32725e;background:#eaf1e9;border-color:#dce9da}.intro-art{flex:0 0 280px;position:relative;height:238px;margin-right:32px;isolation:isolate}.art-orbit{width:265px;height:205px;border:1px solid #ddd4ed;border-radius:50%;transform:rotate(-20deg);position:absolute;top:27px;left:6px}.art-card{width:155px;height:202px;border-radius:14px;padding:21px;box-shadow:0 14px 30px #3026400c;position:absolute;display:flex;flex-direction:column;justify-content:center}.art-card span{font-size:8px;letter-spacing:2px}.art-card b{font-family:Georgia,serif;font-weight:400;font-size:23px;line-height:1.2;margin:16px 0}.art-card small{font-size:9px}.art-back{background:#e9e1f2;top:10px;left:25px;transform:rotate(-13deg);color:#77648e;border:1px solid #d7cce6}.art-front{background:#fffefa;top:34px;left:109px;transform:rotate(11deg);border:1px solid #e8e0cf}.art-front i{position:absolute;right:15px;bottom:15px;font-size:22px;color:#c29d49;font-style:normal}.art-spark{position:absolute;color:#bd9d5d}.spark-a{font-size:24px;left:5px;bottom:23px}.spark-b{font-size:30px;right:0;top:0}.learning-workspace{border-radius:22px;box-shadow:0 16px 55px #2c204b07;background:#fff;border:1px solid var(--line);padding:24px}.mode-bar{display:flex;gap:16px;justify-content:space-between;align-items:center;padding-bottom:24px}.mode-tabs{background:#f1eef6;padding:5px;border-radius:13px;display:flex;gap:5px}.mode-tabs button{border:0;background:none;color:#66677d;font-size:13px;font-weight:650;border-radius:9px;padding:12px 19px;min-height:44px;display:flex;align-items:center;gap:9px}.mode-tabs button[aria-selected=true]{background:var(--ink);color:#fff;box-shadow:0 3px 8px #202a501a}.mode-icon{font-size:20px;font-weight:400;line-height:16px}.mode-note{font-size:11px;color:#838495;letter-spacing:.2px}.lesson-bottom{display:flex;justify-content:space-between;gap:16px;padding:23px 4px 45px;font-size:11px;color:var(--muted)}.lesson-bottom a{text-underline-offset:4px}.learning-footer{max-width:1140px;margin:auto;padding:24px 32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;font-size:10px;color:#828396}.learning-footer strong{color:#565c73;letter-spacing:1.4px;font-size:10px}#load-status{text-align:center;color:var(--muted);padding:24px}#load-status a{font-weight:700}.vocab-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.7}.vocab-table th,.vocab-table td{padding:18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.vocab-table th{background:#f1eef6}.vocab-table small{display:block;color:var(--muted)}.table-wrap{overflow-x:auto}.table-heading{padding:40px 0}.table-heading h1{font-size:40px}.table-back{display:inline-block;margin:15px 0 25px}
@media(max-width:760px){.learning-header{height:76px;padding:15px 22px}.brand{font-size:12px;gap:8px}.brand img{width:65px;height:35px}.brand small{font-size:6px;letter-spacing:.7px}.account-link{font-size:11px}.account-link span{display:none}.learning-main{padding:0 16px}.lesson-intro{min-height:auto;padding:31px 5px 27px;gap:10px}.intro-art{flex-basis:175px;height:182px;transform:scale(.75);transform-origin:center right;margin-left:-55px;margin-right:0}.intro-description{font-size:12px;max-width:330px}.desktop-break{display:none}.lesson-badges{gap:6px;margin-top:15px}.lesson-badges span{font-size:9px;padding:6px 8px}.eyebrow{font-size:8px;letter-spacing:1.1px;gap:7px;margin-bottom:16px}.intro-divider{margin:0 2px}.learning-workspace{padding:16px;border-radius:18px}.mode-note{display:none}.mode-bar{padding-bottom:18px}.mode-tabs{width:100%}.mode-tabs button{flex:1;justify-content:center;padding:10px 8px;font-size:12px;gap:6px}.lesson-bottom{font-size:10px;padding:22px 2px 32px}.learning-footer{padding:22px 20px}.vocab-table{min-width:680px}}
@media(max-width:480px){.intro-art{display:none}.lesson-intro{padding:29px 3px 26px}.lesson-intro h1{font-size:42px}.learning-header{padding:15px}.learning-main{padding:0 12px}.learning-workspace{padding:12px}.lesson-badges{gap:5px}.lesson-badges span{font-size:9px}.lesson-bottom{flex-direction:column;gap:10px}.brand small{display:none}.brand{font-size:11px}.brand img{width:59px}.learning-footer{font-size:9px}.learning-footer strong{font-size:9px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important}}

/* Public navigation stays within the open learning catalogue. */
.lesson-public-links{display:flex;gap:20px;align-items:center;font-size:12px;font-weight:650}.lesson-public-links a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none;white-space:nowrap}.lesson-public-links a:hover{text-decoration:underline;text-underline-offset:4px}#load-status{line-height:1.8}#load-status button{min-height:44px;border:1px solid var(--line);border-radius:10px;background:#f1eef6;color:var(--ink);padding:8px 14px;font-size:14px}
@media(max-width:600px){.lesson-public-links{gap:12px;font-size:11px}.learning-header:has(.lesson-public-links){gap:10px}}
@media(max-width:380px){.learning-header:has(.lesson-public-links) .brand>span{display:none}}

.mode-note,.learning-footer{color:#626982}