.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 20px;background:linear-gradient(160deg,var(--platform-2) 0,var(--platform) 50%,#e8e6e0 100%);font-family:var(--font-inter),sans-serif}.auth-card{width:100%;max-width:440px;background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:18px;padding:36px 32px;box-shadow:inset 0 1px 0 rgba(255,255,255,.8),0 20px 60px rgba(0,0,0,.08)}.auth-card--wide{max-width:640px}.auth-page .auth-back{display:inline-block;font-size:13px;color:var(--steel);text-decoration:none;margin-bottom:24px;transition:color .15s ease}.auth-page .auth-back:hover{color:var(--gold)}.auth-brand{display:flex;align-items:center;gap:14px;margin-bottom:28px}.auth-brand-name{font-family:var(--font-fraunces),serif;font-size:22px;font-weight:600;color:var(--ink)}.auth-brand-sub{font-size:13px;color:var(--steel);margin-top:2px}.auth-role-toggle{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px;margin-bottom:24px;padding:4px;background:var(--platform);border-radius:10px}.auth-role-btn{padding:10px 16px;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;background:transparent;color:var(--steel);transition:all .15s ease}.auth-role-btn.active{background:var(--ink);color:var(--gold-bright);box-shadow:0 2px 8px rgba(0,0,0,.12)}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-form--grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.auth-field{display:flex;flex-direction:column;gap:6px}.auth-field span{font-size:12px;font-weight:600;color:var(--steel);text-transform:uppercase;letter-spacing:.06em}.auth-field input{padding:12px 14px;border:1px solid rgba(0,0,0,.1);border-radius:9px;font-size:14px;font-family:var(--font-inter),sans-serif;transition:border-color .15s ease,box-shadow .15s ease}.auth-field input:focus{outline:none;border-color:rgba(201,162,83,.5);box-shadow:0 0 0 3px rgba(201,162,83,.12)}.auth-field--full{grid-column:1/-1}.auth-submit{margin-top:8px;padding:14px 20px;background:var(--ink);color:var(--gold-bright);border:none;border-radius:9px;font-size:14px;font-weight:700;cursor:pointer;transition:background .15s ease,transform .15s ease}.auth-submit:hover{background:#000;transform:translateY(-1px)}.auth-hint{margin-top:16px;font-size:12px;color:var(--bronze);font-family:var(--font-mono),monospace}.auth-note{margin-top:12px;font-size:11.5px;color:var(--steel-light);line-height:1.6}.auth-note code{font-family:var(--font-mono),monospace;font-size:10.5px}.auth-links{margin-top:24px;padding-top:20px;border-top:1px solid rgba(0,0,0,.06);display:flex;flex-direction:column;gap:12px;font-size:13px;color:var(--steel)}.auth-page .auth-link{color:var(--bronze);font-weight:600;text-decoration:none}.auth-page .auth-link:hover{color:var(--gold)}.auth-link--demo{font-family:var(--font-mono),monospace;font-size:12px}@media (max-width:720px){.auth-card{padding:28px 22px}.auth-form--grid{grid-template-columns:1fr}}.auth-page{position:relative;overflow:hidden;background:radial-gradient(ellipse at top,rgba(201,162,83,.14),transparent 55%),linear-gradient(160deg,var(--platform-2) 0,var(--platform) 50%,#e8e6e0 100%)}.auth-page:before{content:"";position:absolute;top:-20%;right:-10%;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(201,162,83,.18),transparent 65%);filter:blur(40px);pointer-events:none;animation:gpti-aurora 18s ease-in-out infinite;will-change:transform,opacity}.auth-card{position:relative;z-index:1;animation:gpti-scale-in .6s var(--ease-out-quart) both}.auth-submit{position:relative;overflow:hidden}.auth-submit:after{content:"";position:absolute;top:0;left:0;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(228,193,121,.35),transparent);transform:translateX(-160%) skewX(-18deg);pointer-events:none}.auth-submit:hover:after{animation:gpti-sheen .9s var(--ease-out-expo)}.auth-role-btn{position:relative;overflow:hidden}