.auth-shell{padding:52px 0 78px;min-height:calc(100vh - 300px)}
.auth-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,540px);gap:48px;align-items:stretch}
.auth-intro{background:linear-gradient(145deg,#092344,#174c86);border-radius:22px;color:#fff;padding:clamp(35px,5vw,68px);position:relative;overflow:hidden;min-height:510px;display:flex;flex-direction:column;align-items:flex-start}
.auth-intro::before{content:"";position:absolute;right:-110px;bottom:-130px;width:390px;height:390px;border:1px solid rgba(255,255,255,.16);border-radius:50%}
.auth-intro::after{content:"";position:absolute;right:-40px;bottom:-62px;width:250px;height:250px;border:1px solid rgba(255,255,255,.2);border-radius:50%}
.auth-eyebrow{text-transform:uppercase;letter-spacing:.14em;color:#ffb88b;font-size:12px;font-weight:800;margin-bottom:22px}
.auth-intro h1{font-size:clamp(34px,4vw,52px);line-height:1.12;max-width:520px;margin-bottom:20px}
.auth-intro p{font-size:18px;line-height:1.6;color:#d6e4f4;max-width:460px}
.auth-intro-mark{margin-top:auto;font-size:100px;font-weight:900;line-height:1;color:rgba(255,255,255,.12);letter-spacing:-.12em}
.auth-intro-mark span{color:rgba(244,122,54,.55)}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:clamp(28px,4vw,48px);box-shadow:var(--shadow)}
.auth-card h2{font-size:29px;line-height:1.2;margin-bottom:7px;color:var(--navy)}
.auth-card-lead{color:var(--muted);margin-bottom:27px}
.auth-form{display:flex;flex-direction:column}
.auth-form label{font-size:14px;font-weight:700;color:var(--navy);margin:0 0 7px}
.auth-form input{width:100%;min-height:48px;padding:10px 14px;margin-bottom:19px;border:1px solid #cad5e3;border-radius:10px;background:#fff;color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s}
.auth-form input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(33,79,154,.13)}
.auth-form input[aria-invalid=true]{border-color:#bc3c3c}
.auth-hint{margin:-12px 0 17px;color:var(--muted);font-size:12px}
.auth-optional{color:var(--muted);font-weight:400}
.auth-submit{border:0;border-radius:10px;background:var(--orange);color:#fff;font-weight:800;padding:14px 20px;margin-top:5px;min-height:50px;transition:background .15s,transform .15s}
.auth-submit:hover{background:var(--orange-dark);transform:translateY(-1px)}
.auth-switch{margin:25px 0 8px;text-align:center;color:var(--muted);font-size:14px}
.auth-switch a,.auth-alternate{color:var(--blue);font-weight:700}
.auth-alternate{display:block;text-align:center;font-size:13px;margin-top:8px}
.auth-alert{border-radius:10px;padding:13px 15px;margin-bottom:22px;font-size:14px}
.auth-alert ul{padding-left:19px;margin:0}
.auth-alert-error{background:#fff0ee;border:1px solid #f5c4bd;color:#8f2820}
.auth-alert-success{background:#ebf7ef;border:1px solid #b9dfc7;color:#1d6740}
@media(max-width:850px){.auth-layout{grid-template-columns:1fr;gap:22px}.auth-intro{min-height:230px}.auth-intro-mark{display:none}.auth-shell{padding:26px 0 48px}}
@media(max-width:520px){.auth-intro,.auth-card{border-radius:16px;padding:25px}.auth-intro h1{font-size:30px}.auth-intro p{font-size:16px}}