:root{color:#171918;background:#f3f5f1;font-family:Avenir Next,SF Pro Display,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0}.app-shell{width:min(1120px,calc(100% - 48px));margin:0 auto}.app-header{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d7ded8}.brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;letter-spacing:-.04em}.brand-mark{display:grid;place-items:center;width:25px;height:25px;border-radius:7px;color:#b8f23e;background:#171918;font-size:13px}.status,.eyebrow{color:#68736b;font:10px/1.2 ui-monospace,SFMono-Regular,monospace;letter-spacing:.12em;text-transform:uppercase}.header-actions{display:flex;align-items:center;gap:18px}.text-button{padding:0;border:0;color:#68736b;background:transparent;cursor:pointer;font:12px ui-monospace,SFMono-Regular,monospace}.text-button:hover{color:#171918}.welcome{padding:112px 0 140px}.eyebrow{margin:0 0 20px}h1{max-width:680px;margin:0 0 22px;font-size:clamp(3.4rem,7vw,6.5rem);line-height:.9;letter-spacing:-.08em;font-weight:600}.lede{max-width:430px;margin:0 0 72px;color:#68736b;font-size:17px;line-height:1.5}.empty-state{max-width:620px;padding:30px;border:1px solid #cdd8cf;border-radius:12px;background:#fff;box-shadow:18px 18px #dfe7df}.empty-mark{display:grid;place-items:center;width:34px;height:34px;margin-bottom:28px;border-radius:9px;background:#b8f23e;font-size:24px;line-height:1}h2{margin:0 0 10px;font-size:25px;letter-spacing:-.05em}.empty-state p{max-width:430px;margin:0 0 22px;color:#68736b;line-height:1.5}code{display:inline-block;padding:9px 11px;border-radius:5px;background:#e8eee8;color:#4c5b4e;font:12px ui-monospace,SFMono-Regular,monospace}.auth-layout{display:grid;grid-template-columns:minmax(0,1fr) 390px;align-items:center;gap:100px;min-height:680px}.auth-card{padding:28px;border:1px solid #cdd8cf;border-radius:12px;background:#fff;box-shadow:18px 18px #dfe7df}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-bottom:28px;padding:4px;border-radius:7px;background:#eef2ed}.auth-tabs button{padding:10px 8px;border:0;border-radius:5px;color:#68736b;background:transparent;cursor:pointer;font:12px ui-monospace,SFMono-Regular,monospace}.auth-tabs button.active{color:#171918;background:#fff;box-shadow:0 1px 3px #d8dfd8}.auth-card label{display:grid;gap:8px;margin-top:17px;color:#4c564e;font-size:12px;font-weight:650}.auth-card input{width:100%;padding:12px;border:1px solid #cdd8cf;border-radius:6px;outline:none;color:#171918;background:#fbfcfa;font:14px system-ui,sans-serif}.auth-card input:focus{border-color:#6d8b4e;box-shadow:0 0 0 3px #dff1b7}.primary-button{width:100%;margin-top:24px;padding:13px 16px;border:0;border-radius:7px;color:#eff5ee;background:#171918;cursor:pointer;font:650 13px system-ui,sans-serif}.primary-button:hover{background:#2c3731}.form-message,.form-error{margin:16px 0 0;font-size:12px;line-height:1.45}.form-message{color:#55723c}.form-error{color:#9c3e3e}.material-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.material-card{padding:24px;border:1px solid #cdd8cf;border-radius:12px;background:#fff}.material-card h2{margin:9px 0}.material-card p:not(.material-topic){color:#68736b;line-height:1.5}.material-card span,.material-topic{color:#7b877e;font:10px ui-monospace,SFMono-Regular,monospace}.material-topic{text-transform:uppercase;letter-spacing:.1em}.review-section{margin-bottom:74px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}.section-heading h2{margin:0}.review-count{color:#68736b;font:11px ui-monospace,SFMono-Regular,monospace}.review-list{display:grid;gap:10px}.review-card{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 22px;border:1px solid #cdd8cf;border-radius:9px;background:#fff}.review-card h3{margin:8px 0;font:600 21px Georgia,serif;letter-spacing:-.03em}.review-card p:not(.material-topic){max-width:600px;margin:0;color:#68736b;line-height:1.45}.complete-button{flex:0 0 auto;padding:10px 13px;border:1px solid #b8f23e;border-radius:6px;color:#354329;background:#eef9d6;cursor:pointer;font-size:12px;font-weight:700}.complete-button:hover{background:#b8f23e}.review-empty{margin:0;padding:20px;border:1px dashed #cdd8cf;color:#68736b;line-height:1.5}@media(max-width:800px){.auth-layout{grid-template-columns:1fr;gap:40px;min-height:auto;padding:78px 0 100px}.auth-card{max-width:520px}.welcome{padding:78px 0 100px}.material-list{grid-template-columns:1fr}}@media(max-width:680px){.app-shell{width:min(100% - 32px,560px)}h1{font-size:clamp(3.25rem,17vw,5rem)}.lede{margin-bottom:48px}.app-header{gap:16px}.header-actions{gap:10px}.status{max-width:145px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.review-card{align-items:flex-start;flex-direction:column}.complete-button{width:100%}}