@font-face{font-family:"Anthropic Serif";src:url(/teacher-lessons/fonts/AnthropicSerif-Roman.woff2) format("woff2");font-style:normal;font-weight:300 800;font-display:swap}@font-face{font-family:"Anthropic Serif";src:url(/teacher-lessons/fonts/AnthropicSerif-Italic.woff2) format("woff2");font-style:italic;font-weight:300 800;font-display:swap}main.login_viewport__AHFpz{height:100vh;height:100dvh;min-height:0;flex-direction:column;justify-content:flex-start;overflow-x:hidden;overflow-y:auto;padding-block:max(1.5rem,env(safe-area-inset-top,0px),env(safe-area-inset-bottom,0px))}.login_promoColumn__4wR8T,.login_promoColumn__4wR8T *{font-family:"Anthropic Serif",Claude CJK,Songti SC,STSong,serif}main.login_viewport__AHFpz>.login_entryLayout__jZLdY{margin-block:auto;flex-shrink:0}.login_entryLayout__jZLdY{display:grid;grid-template-columns:minmax(250px,400px) minmax(340px,448px);gap:24px;width:100%;max-width:872px;position:relative;z-index:10;border-radius:2rem;box-shadow:0 18px 56px rgba(48,54,62,.065)}.login_entryLayout__jZLdY>[data-login-card]{box-shadow:none}.login_promoColumn__4wR8T{display:flex;flex-direction:column;gap:16px;min-width:0}.login_promoTop__hPmHy{flex:1;display:flex;flex-direction:column;min-height:360px;border:1px solid #e6e3dd;border-radius:2rem;background:rgba(255,255,255,.94);padding:32px;overflow:hidden}.login_promoBrand__2QW_U{display:flex;align-items:center;gap:14px;color:#3d3832;font-size:25px;letter-spacing:-.015em;line-height:1.2}.login_promoBrand__2QW_U span{font-weight:300;letter-spacing:-.025em}.login_promoIcon__Y_Sh3{width:52px;height:52px;flex-shrink:0;border-radius:16px}.login_promoHeadline__1I9fe{display:flex;flex-direction:column;align-items:flex-start;margin-block:auto;padding-block:44px 54px;letter-spacing:-.035em;line-height:1.16;font-size:clamp(48px,5.4vw,66px);font-weight:300;color:#37332f}.login_promoHeadline__1I9fe p{white-space:nowrap;margin:0;word-spacing:.08em}.login_promoHeadline__1I9fe p+p{align-self:flex-end;margin-top:16px;color:#8a7665;font-style:italic}.login_teachEntry__pHMNC{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:116px;padding:28px 32px;border:1px solid #ded8ce;border-radius:1.5rem;background:#fff;color:#4b4238;font-size:25px;font-weight:300;letter-spacing:.015em;transition:background .18s,border-color .18s}.login_teachEntry__pHMNC:hover{background:#fdfbf8;border-color:#a79783}.login_teachEntry__pHMNC:focus-visible{outline:2px solid #98836b;outline-offset:4px}.login_entryArrow__qutaU{display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;border-radius:50%;border:1px solid #e6dfd4;font-size:26px;line-height:1;color:#8a7665;font-weight:300}.login_entryArrow__qutaU svg{display:block;width:20px;height:20px}@media(max-width:720px){.login_entryLayout__jZLdY{max-width:448px;grid-template-columns:1fr;gap:16px}.login_promoColumn__4wR8T{gap:12px}.login_promoTop__hPmHy{min-height:0;padding:38px 26px 22px;border-radius:1.5rem}.login_promoBrand__2QW_U{font-size:21px;gap:11px}.login_promoIcon__Y_Sh3{width:42px;height:42px;border-radius:13px}.login_promoHeadline__1I9fe{font-size:44px;padding:24px 0 8px;line-height:1.05}.login_promoHeadline__1I9fe p+p{margin-top:10px}.login_teachEntry__pHMNC{min-height:76px;padding:18px 26px;font-size:22px;border-radius:1.2rem}.login_entryArrow__qutaU{width:36px;height:36px;font-size:22px}.login_entryArrow__qutaU svg{width:16px;height:16px}}@media(prefers-reduced-motion:reduce){.login_teachEntry__pHMNC{transition:none}}