:root{--ink:#13203b;--muted:#73809a;--blue:#1877f2;--line:#e2e8f1}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#f3f7fc}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}.auth-brand{background:linear-gradient(145deg,#0d1935,#1b3261);color:#fff;padding:10vh 9vw;position:relative;overflow:hidden}.auth-brand:after{content:"";position:absolute;width:440px;height:440px;border-radius:50%;background:#2d72dd33;right:-170px;bottom:-150px}.brand{font-size:26px;font-weight:800;display:flex;gap:12px;align-items:center}.brand span{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:#2f7df0}.eyebrow{margin-top:16vh;color:#6da6ff;font-size:11px;letter-spacing:2px;font-weight:800}.auth-brand h1{font-size:42px;line-height:1.25;letter-spacing:-1.5px;margin:15px 0}.auth-brand>p:not(.eyebrow){color:#acbad3}.trust{display:flex;gap:18px;margin-top:45px;font-size:12px;color:#c5d1e4}.trust i{color:#62d49c;font-style:normal}.auth-panel{background:#fff;padding:9vh 10vw;box-shadow:-20px 0 50px #0d1a3510}.tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:34px}.tab{border:0;background:none;padding:12px 3px;margin-right:28px;color:#8b95a7;font:700 14px inherit;cursor:pointer}.tab.active{color:var(--blue);border-bottom:2px solid var(--blue)}.auth-form{display:none}.auth-form.active{display:block}.auth-form h2{font-size:25px;margin:0}.auth-form>p{color:var(--muted);margin:5px 0 27px}.auth-form label{font-size:12px;font-weight:700;display:block;margin:15px 0 7px}.auth-form input{width:100%;border:1px solid #d9e0ea;background:#fbfcfe;border-radius:9px;padding:13px;font:inherit;outline:none}.auth-form input:focus{border-color:#75a8ef;box-shadow:0 0 0 3px #1877f212}.auth-form button{margin-top:23px;width:100%;border:0;background:var(--blue);color:#fff;border-radius:9px;padding:14px;font-weight:800;cursor:pointer}.flash{padding:12px;border-radius:8px;margin-bottom:20px;font-size:12px}.flash.error{background:#fff0f1;color:#a62d38}.flash.success{background:#e8f7ef;color:#14704e}@media(max-width:800px){.auth-shell{grid-template-columns:1fr}.auth-brand{display:none}.auth-panel{min-height:100vh;padding:8vh 8vw}}