body { background: #f0f5fb; min-height: 100dvh; }
.auth-header { display: flex; justify-content: space-between; align-items: center; padding: 22px 32px; background: #061329; gap: 20px; }
.auth-header > a:last-child { color: #b8d3ed; font-size: .85rem; }
.auth-layout { width: min(980px, calc(100% - 40px)); margin: 52px auto; display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: start; }
.auth-intro { padding-top: 38px; }
.auth-intro h1 { font-size: 2.55rem; line-height: 1.12; max-width: 390px; margin-bottom: 20px; }
.auth-intro p { color: #58708b; line-height: 1.8; font-size: .98rem; }
.auth-points { list-style: none; padding: 8px 0 0; color: #304d6e; font-size: .88rem; }
.auth-points li { margin-bottom: 15px; }
.auth-points li::before { content: "✓"; color: #0078be; margin-right: 11px; }
.auth-card { padding: 32px; background: #fff; border: 1px solid #d5e0ec; border-radius: 13px; box-shadow: 0 12px 35px #19365b0a; }
.auth-card h2 { font-size: 1.5rem; letter-spacing: -.025em; margin-bottom: 10px; }
.auth-card .description { color: #5b7189; font-size: .85rem; line-height: 1.7; margin-bottom: 23px; }
.auth-card .form-actions .button-primary { width: 100%; }
.auth-nav { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 9px 18px; margin-top: 23px; font-size: .81rem; }
.auth-footer { max-width: 620px; text-align: center; margin: 24px auto; padding: 0 20px; color: #61768e; font-size: .76rem; }
.auth-footer a { margin-inline: 8px; }
.auth-card .button-link { display: flex; margin-top: 17px; }
@media(max-width: 760px) { .auth-layout { grid-template-columns: 1fr; max-width: 520px; margin: 30px auto; gap: 24px; } .auth-intro { padding-top: 0; } .auth-intro h1 { font-size: 2rem; max-width: none; } .auth-points { display: none; } .auth-card { padding: 25px; } .auth-header { padding: 18px 20px; } }

/* Platform account entry; keep the separate join page unchanged. */
.auth-page { display: flex; flex-direction: column; min-height: 100svh; background: linear-gradient(135deg, #f8fafd, #edf3fa); }
.auth-page .auth-header { flex: 0 0 auto; flex-wrap: wrap; min-height: 76px; padding: 12px clamp(20px, 3vw, 48px); background: #fff; border-bottom: 1px solid #dfe7f1; }
.auth-page .brand { color: #10213e; font-size: 1.05rem; gap: 11px; }
.auth-page .brand img { display: block; border-radius: 6px; }
.auth-page .auth-header .auth-home { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; color: var(--blue); font-size: .85rem; text-decoration: none; }
.auth-page .auth-header .auth-home:hover { color: #006ab3; text-decoration: underline; }
.auth-page .auth-layout { flex: 1 0 auto; width: min(1040px, calc(100% - 48px)); margin: 0 auto; padding-block: clamp(40px, 7vh, 88px); grid-template-columns: minmax(0, 1fr) minmax(0, 460px); gap: clamp(40px, 6vw, 88px); align-items: center; align-content: center; }
.auth-page .auth-intro { min-width: 0; padding: 0; }
.auth-page .eyebrow { font-size: .7rem; margin-bottom: 20px; }
.auth-page .auth-intro h1 { max-width: none; font-size: clamp(2rem, 3vw, 2.65rem); line-height: 1.15; margin-bottom: 22px; overflow-wrap: anywhere; }
.auth-page .auth-intro p { max-width: 420px; color: #526781; font-size: 1rem; line-height: 1.8; margin-bottom: 25px; }
.auth-page .auth-points { margin: 0; padding: 0; font-size: .86rem; }
.auth-page .auth-points li { display: flex; align-items: baseline; margin-bottom: 12px; }
.auth-page .auth-points li:last-child { margin-bottom: 0; }
.auth-page .auth-points li::before { flex: 0 0 auto; }
.auth-page .auth-card { min-width: 0; padding: 36px; border-color: #d9e3ef; border-radius: 16px; box-shadow: 0 12px 40px #19365b08, 0 2px 6px #19365b03; overflow-wrap: anywhere; }
.auth-page .auth-card h2 { font-size: 1.5rem; margin-bottom: 10px; }
.auth-page .auth-card .description { margin-bottom: 26px; }
.auth-page .auth-card .field { font-size: .875rem; }
.auth-page .auth-card input { min-height: 46px; }
.auth-page .auth-nav { align-items: center; gap: 12px 20px; }
.auth-page .auth-footer { flex: 0 0 auto; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 24px; max-width: none; margin: 0; padding: 20px 24px 28px; }
.auth-page .auth-footer a { margin: 0; color: var(--blue); }
@media (max-width: 900px) {
  .auth-page .auth-layout { grid-template-columns: minmax(0, 1fr); max-width: 520px; gap: 28px; padding-block: 36px; }
  .auth-page .auth-intro h1 { font-size: 2rem; margin-bottom: 14px; }
  .auth-page .auth-intro p { margin-bottom: 0; font-size: .92rem; }
  .auth-page .eyebrow { margin-bottom: 12px; }
  .auth-page .auth-points { display: none; }
}
@media (max-width: 480px) {
  .auth-page .auth-header { min-height: 68px; padding-inline: 20px; gap: 12px; }
  .auth-page .brand { font-size: .95rem; gap: 8px; }
  .auth-page .auth-home { font-size: .78rem; }
  .auth-page .auth-layout { width: calc(100% - 32px); padding-block: 28px; }
  .auth-page .auth-card { padding: 24px; border-radius: 13px; }
  .auth-page .auth-nav { align-items: flex-start; flex-direction: column; gap: 8px; }
}