:root{--accent:#7063ad;--ink:#303442;--muted:#747989;--line:#e8e7ee}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#f8f8fb;font:15px/1.8 'Segoe UI',Tahoma,Arial,sans-serif}a{color:var(--accent);text-decoration:none}header,main,footer{width:min(1050px,calc(100% - 40px));margin:auto}header{display:flex;justify-content:space-between;align-items:center;padding:25px 0}header>a:first-child{font-size:25px;font-weight:700;direction:ltr}.home{font-size:13px}main{min-height:calc(100dvh - 155px);display:grid;grid-template-columns:1fr 420px;align-items:center;gap:75px;padding:35px 0 55px}.eyebrow{color:var(--accent);font-size:14px}h1{font-size:38px;line-height:1.6;margin:14px 0}p{color:var(--muted)}.intro>p{font-size:17px}.intro ul{list-style:none;padding:0;line-height:2.5}.intro li:before{content:'✓';color:var(--accent);margin-left:10px}.intro small{font-size:12px;color:var(--muted)}.login_card{background:white;border:1px solid var(--line);border-radius:12px;padding:28px;box-shadow:0 8px 30px #35304705}h2{font-size:21px;margin:0 0 20px}.tabs{display:flex;padding:4px;background:#f5f4f8;border-radius:8px;margin-bottom:22px;gap:4px}button,input{font:inherit}button{cursor:pointer;border:0}.tabs button{flex:1;padding:9px;background:none;border-radius:6px;font-size:14px;color:var(--muted)}.tabs button[aria-selected=true]{background:white;color:var(--accent);font-weight:600}label{display:grid;gap:7px;font-size:13px;margin-bottom:17px}input{width:100%;height:44px;border:1px solid var(--line);border-radius:7px;background:#fafafb;padding:0 12px;min-width:0;color:var(--ink)}input:focus{outline:2px solid #d4cbe9;border-color:var(--accent)}.password_field{display:flex;position:relative}.password_field input{padding-left:60px}.password_field button{position:absolute;left:7px;top:6px;height:32px;background:none;color:var(--accent);font-size:12px}.submit{display:flex;align-items:center;justify-content:space-between;width:100%;padding:11px 16px;border-radius:7px;background:var(--accent);color:white;font-weight:600;font-size:14px}.submit:disabled{opacity:.6;cursor:wait}.notice{background:#f5f3f9;padding:10px;border-radius:6px;font-size:12px;color:#777087}.hint{font-size:12px}.back{font-size:12px;display:block;text-align:center;margin-top:16px}#login_status{color:#985e65;font-size:13px;margin:12px 0;overflow-wrap:anywhere}footer{padding:18px 0;font-size:12px;color:var(--muted)}[hidden]{display:none!important}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(max-width:750px){main{grid-template-columns:1fr;gap:24px;max-width:440px;padding:15px 0 35px;min-height:0}h1{font-size:28px;margin:8px 0}.intro>p{font-size:14px}.intro ul{display:none}.intro small{font-size:11px}.login_card{padding:22px}.intro br{display:none}input{font-size:16px}header{padding:18px 0}footer{max-width:440px}}

/* A chat entrance rather than a marketing split screen. */
body{background:#f3f3f7;min-height:100dvh;display:flex;flex-direction:column}
header{width:min(940px,calc(100% - 36px));padding:18px 0}header>a:first-child{font-size:22px}.home{color:#777589;font-size:12px}
main{display:flex;align-items:center;justify-content:center;flex:1;width:100%;min-height:0;padding:22px 16px 42px;gap:0;max-width:none}
.login_card{width:380px;max-width:100%;border:1px solid #e4e2eb;border-radius:12px;padding:28px;box-shadow:0 8px 28px #35304707}
.login_identity{text-align:center;margin-bottom:24px}.login_logo{display:grid;place-items:center;width:58px;height:58px;background:#eeebf7;color:#7665ac;border-radius:18px;margin:0 auto 12px}.login_logo svg{width:30px;height:30px}
.login_identity h1{font-size:23px;line-height:1.7;margin:0;font-weight:700;letter-spacing:0}.login_identity p{font-size:12px;color:#898595;margin:3px 0 0}
.tabs{margin-bottom:22px;border:1px solid #eeecf3;background:#f7f6fa;padding:3px;border-radius:7px}.tabs button{padding:7px;font-size:13px}.tabs button[aria-selected=true]{box-shadow:0 1px 3px #2923390a}
label{font-size:12px;margin-bottom:15px;gap:6px}input{height:42px;background:#fbfbfd;border-color:#e6e4ed;border-radius:6px;font-size:14px}.submit{font-size:13px;padding:10px 13px;border-radius:6px;background:#7464aa}.submit:hover{background:#635394}.notice{background:none;border-top:1px solid #efedf4;border-radius:0;padding:12px 0 0;margin:16px 0 0;font-size:11px;line-height:1.8;color:#8b8298}.hint{font-size:12px;line-height:1.9}.demo_note{font-size:10px;text-align:center;color:#928d9d;margin:18px 0 0}#login_status:empty{display:none}#login_status{margin:12px 0 0}.password_field button{top:5px}footer{width:auto;text-align:center;font-size:11px;color:#928d9d;padding:14px 16px}
@media(max-width:750px){main{max-width:none;min-height:0;padding:18px 16px 28px}.login_card{padding:24px;width:360px}.login_identity h1{font-size:22px}header{padding:16px 0}.login_identity{margin-bottom:20px}input{font-size:16px}}
@media(max-height:650px){main{align-items:flex-start;padding-top:8px}.login_card{padding:20px}.login_identity{margin-bottom:16px}.login_logo{width:44px;height:44px;border-radius:13px;margin-bottom:7px}.login_logo svg{width:25px;height:25px}}

.gender_pick{display:flex;gap:10px;border:0;margin:0 0 20px;padding:0}
.gender_pick legend{padding:0;margin-bottom:6px;font-size:14px}
.gender_pick label{flex:1;position:relative;display:block;margin:0}
.gender_pick input{position:absolute;opacity:0;inset:0;cursor:pointer}
.gender_pick span{display:block;text-align:center;padding:10px 0;border:1px solid #dcdae8;border-radius:10px;background:#fff;color:#5b5f6f}
.gender_pick input:checked+span{border-color:var(--main,#7063ad);background:#f1eff8;color:var(--main,#7063ad);font-weight:600}
.gender_pick input:focus-visible+span{outline:2px solid var(--main,#7063ad);outline-offset:2px}

.login_about{max-width:520px;margin:18px auto 0;padding:0 18px;color:#5f5a6b;font-size:14px;line-height:1.9}.login_about p{margin:0 0 12px}