@font-face{font-family:'Google Sans';font-weight:400;font-display:swap;src:url('/assets/google-sans-regular.woff2') format('woff2')}@font-face{font-family:'Google Sans';font-weight:500 700;font-display:swap;src:url('/assets/google-sans-medium.woff2') format('woff2')}
:root{font-family:'Google Sans',sans-serif;color:#f4f2ee;background:#101012;font-synthesis:none;--text:#f4f2ee;--muted:#a8afba;--accent:#ddc7a4;--glass:rgba(28,28,30,.48);--line:rgba(255,255,255,.12);--bottom:max(20px,env(safe-area-inset-bottom,0px),var(--tg-safe-area-inset-bottom,0px));--top:max(env(safe-area-inset-top,0px),var(--tg-content-safe-area-inset-top,0px));color-scheme:dark}
*{box-sizing:border-box}body{margin:0;min-width:280px;min-height:100dvh;-webkit-tap-highlight-color:transparent}body::selection{background:#ddc7a4;color:#101012}.backdrop{position:fixed;inset:0;background:url('/assets/background.png') center/cover no-repeat;opacity:.2;pointer-events:none;z-index:-1}.club-page .backdrop{opacity:1;background-image:linear-gradient(180deg,rgba(16,16,18,.65),rgba(16,16,18,.55) 18%,rgba(16,16,18,.32) 36%,rgba(16,16,18,.45) 55%,rgba(16,16,18,.9) 78%,#101012),url('/assets/background.png')}.browser-header{height:56px;align-items:center;justify-content:center;background:rgba(16,16,18,.96);font-size:17px;font-weight:500}.browser-header:not([hidden]){display:flex}.shell{width:100%;max-width:480px;margin:0 auto;padding:calc(20px + var(--top)) 20px calc(108px + var(--bottom))}.brand{display:flex;align-items:center;justify-content:center;height:44px;margin-bottom:20px}.brand img{display:block}h1,h2,h3,p{margin:0}h1{font-size:28px;line-height:38px;font-weight:500;letter-spacing:-.4px;margin-bottom:20px}h2{font-size:19px;line-height:26px;font-weight:500}h3{font-size:23px;line-height:31px;font-weight:500;overflow-wrap:anywhere}p{font-size:14px;line-height:21px}.muted{color:var(--muted)}.small{font-size:13px;line-height:18px}.accent{color:var(--accent)}button,a,input{font:inherit}button,a{touch-action:manipulation}button{border:0;color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:disabled{cursor:default;opacity:.65}.glass{background:var(--glass);border:1px solid var(--line);border-radius:22px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.stack{display:grid;gap:20px}.filters{display:flex;gap:8px;margin-bottom:20px}.filter{height:44px;padding:0 16px;border:1px solid var(--line);border-radius:12px;background:var(--glass);color:var(--muted);font-size:13px;font-weight:500;flex:1;white-space:nowrap}.filter[aria-selected=true]{background:rgba(255,255,255,.11);color:var(--text)}.button{width:100%;min-height:48px;display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 16px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.11);font-size:15px;font-weight:500;text-align:center}.button.gold{background:var(--accent);color:#0b0d10;border:0}.button.subtle{background:transparent}.lecture-card{padding:16px;display:grid;gap:12px}.preview{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#18181a}.preview>img{display:block;width:100%;height:100%;object-fit:cover}.preview.soon>img{opacity:.35}.preview .badge{position:absolute;right:12px;top:12px;background:rgba(18,18,20,.9)}.badge{display:inline-flex;align-items:center;justify-content:center;font-size:11px;line-height:15px;min-height:26px;padding:4px 10px;border-radius:13px;background:rgba(255,255,255,.07);white-space:nowrap}.badge.success{color:#b8d6bd}.preview .lock{position:absolute;right:12px;top:12px;width:24px;height:24px}.lecture-card h3{font-size:23px}.section-heading{margin:24px 0 20px}.hero{padding:20px;display:grid;gap:14px}.hero .eyebrow{font-size:10px;line-height:14px;font-weight:500;color:var(--accent);letter-spacing:.3px}.hero h2{font-size:24px;line-height:33px}.material-list{display:grid;gap:12px}.material{display:flex;align-items:center;gap:14px;padding:14px;min-height:92px;text-align:left;width:100%}.material-type{width:52px;height:60px;background:rgba(255,255,255,.07);border-radius:12px;display:grid;place-items:center;flex-shrink:0}.material .title{font-size:15px;font-weight:500;line-height:20px;margin-bottom:6px}.material .small{font-size:12px;line-height:16px}.icon{display:block;width:22px;height:22px;flex:none}.identity{display:flex;align-items:center;gap:16px;min-height:64px}.avatar{display:grid;place-items:center;flex:none;width:64px;height:64px;border-radius:50%;overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.07);font-size:21px;font-weight:500;color:var(--accent)}.avatar img{width:100%;height:100%;object-fit:cover}.identity .name{font-size:18px;font-weight:500;line-height:24px;margin-bottom:4px;overflow-wrap:anywhere}.identity>div:last-child{min-width:0}.subscription{padding:16px 16px 12px;display:grid;gap:8px}.spread{display:flex;align-items:center;justify-content:space-between;gap:8px}.subscription h2{font-size:17px;line-height:23px}.text-row{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:44px;background:none;border-top:1px solid var(--line);margin-top:4px;font-size:14px;font-weight:500;text-align:left;color:var(--accent)}.text-row img,.row .chevron{width:18px;height:18px}.rows{overflow:hidden}.row{display:flex;align-items:center;gap:12px;min-height:56px;padding:12px 16px;width:100%;background:none;text-align:left;position:relative;font-size:15px;font-weight:500}.row+.row::before{content:'';position:absolute;top:0;left:50px;right:18px;height:1px;background:var(--line)}.row span{flex:1}.notify{padding:16px;min-height:60px;font-size:15px}.switch{width:44px;height:28px;background:#343a43;border-radius:20px;padding:4px;display:block}.switch::after{content:'';display:block;width:20px;height:20px;background:#f4f2ee;border-radius:50%}.empty{padding:24px 20px;display:grid;justify-items:start;gap:12px}.empty h2{font-size:20px}.empty>.icon{margin-bottom:4px}.back{display:flex;align-items:center;gap:8px;background:none;padding:0;min-height:44px;color:var(--muted);font-size:14px;margin-bottom:10px}.back img{transform:rotate(180deg);width:18px;height:18px}.navigation{position:fixed;z-index:10;bottom:var(--bottom);left:50%;transform:translateX(-50%);width:calc(100% - 24px);max-width:456px;height:68px;border:1px solid rgba(255,255,255,.23);border-radius:28px;background:rgba(18,18,20,.6);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);box-shadow:0 8px 24px rgba(0,0,0,.24);padding:8px;display:flex;gap:4px}.navigation a{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border-radius:20px;font-size:11px;line-height:15px;color:var(--muted);font-weight:500}.navigation a[aria-current=page]{background:rgba(255,255,255,.11);color:var(--text)}.navigation img{width:22px;height:22px}#toast{position:fixed;z-index:20;left:20px;right:20px;bottom:calc(90px + var(--bottom));max-width:440px;margin:auto;background:#303034;border:1px solid var(--line);padding:14px 18px;border-radius:16px;font-size:14px;box-shadow:0 8px 28px #0005}.footnote{font-size:12px;color:var(--muted);text-align:center}.footnote a{text-decoration:underline;text-underline-offset:3px}.details{display:grid;gap:20px}.status-note{padding:12px 16px;font-size:13px;line-height:19px;color:var(--muted)}@media(min-width:600px){.shell{padding-top:32px}.backdrop{background-size:480px auto;background-repeat:repeat-x}.browser-header{max-width:480px;margin:auto}.lecture-card h3{font-size:24px}}@media(prefers-reduced-motion:no-preference){button,a{transition:background .15s ease}button:active,a:active{filter:brightness(1.13)}}

main:focus{outline:none}.hero>.badge{justify-self:start}

.login-panel{padding:20px;display:grid;gap:16px}.login-panel label{font-size:14px}.code-input{width:100%;height:56px;background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:12px;color:var(--text);text-align:center;font-size:26px;letter-spacing:6px;font-variant-numeric:tabular-nums;padding:8px 12px}.code-input:focus{outline:2px solid var(--accent);outline-offset:2px}.login-error{font-size:13px;line-height:19px;color:#f0b4ac}.login-panel .quiet{font-size:13px;color:var(--muted);background:none;min-height:44px;padding:8px}.install-steps{padding:0;margin:0;list-style:none;counter-reset:steps;display:grid;gap:20px}.install-steps li{counter-increment:steps;display:flex;gap:12px;font-size:15px;line-height:22px}.install-steps li::before{content:counter(steps);display:grid;place-items:center;flex:none;width:28px;height:28px;border:1px solid var(--line);border-radius:50%;color:var(--accent)}.app-icon{border-radius:24px;width:88px;height:88px}.install-title{display:flex;align-items:center;gap:16px}.offline-banner{position:sticky;top:0;z-index:20;background:#2a2520;padding:10px 20px;text-align:center;font-size:13px;color:var(--accent)}@media(display-mode:standalone){.browser-header{display:none!important}.shell{padding-top:calc(24px + var(--top))}}