/* BOC F demo — trang đăng nhập đứng riêng, bố cục kiểu Facebook: giới thiệu bên trái, khung đăng nhập bên phải */
body[data-page="auth"] { background: #F0F2F5; padding-bottom: 0; }
.lg { min-height: 100vh; display: flex; flex-direction: column; }
.lg-in { flex: 1; width: var(--wrap); max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 32px 72px; align-items: center; padding: 72px 0 32px; }
.lg-logo-a { display: inline-block; }
.lg-logo { height: 96px; width: auto; }
.lg-brand h1 { font: 600 30px/1.3 var(--f-head); color: var(--ink); margin: 18px 0 12px; max-width: 22ch; }
.lg-brand p { margin: 0; font-size: 17px; line-height: 1.55; color: var(--ink-2); max-width: 44ch; }
.lg-pts { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; font-size: 15px; color: var(--ink-2); }
.lg-pts li { display: flex; align-items: flex-start; gap: 8px; }
.lg-pts .ic { flex: none; margin-top: 3px; color: var(--brand); }
.lg-card { background: #fff; border-radius: 12px; box-shadow: 0 2px 4px rgba(0, 0, 0, .08), 0 8px 16px rgba(0, 0, 0, .08); padding: 20px 16px 24px; }
.lg-h { margin: 2px 0 16px; text-align: center; font: 600 19px/1.3 var(--f-head); }
.lg-form > input, .lg-pw input { height: 52px !important; font-size: 16px !important; border-radius: 8px !important; }
.lg-form > input { margin-bottom: 12px; }
.lg-pw { position: relative; margin-bottom: 12px; }
.lg-pw input { padding-right: 50px !important; }
.lg-eye { position: absolute; right: 8px; top: 8px; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; color: var(--muted); }
.lg-eye:hover, .lg-eye[aria-pressed="true"] { background: var(--soft); color: var(--ink); }
.lg-btn { width: 100%; height: 50px; border-radius: 8px; font-size: 18px; }
.lg-link { display: block; width: 100%; margin-top: 12px; text-align: center; font-size: 14px; font-weight: 500; color: var(--brand); }
.lg-link:hover { text-decoration: underline; }
.lg-card .or { margin: 18px 0 12px; }
.lg-card .social .btn { border-radius: 8px; }
.lg-hr { border: 0; border-top: 1px solid var(--line); margin: 20px 0; }
.lg-new { display: flex; margin: 0 auto; height: 48px; padding: 0 22px; border-radius: 8px; font-size: 16px; }
.lg-sub { margin: 20px 0 0; text-align: center; font-size: 14px; color: var(--ink-2); }
.lg-foot { padding: 20px 16px 28px; text-align: center; font-size: 13px; color: var(--muted); }
.lg-foot a { color: var(--brand); }
/* Chọn kênh nhận mã: SMS / Zalo; email thì gửi thẳng */
.lg-ch { border: 0; padding: 0; margin: 0 0 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.lg-ch legend { padding: 0; margin-bottom: 8px; font-size: 13.5px; font-weight: 500; color: var(--ink-2); }
.lg-ch label { position: relative; }
.lg-ch input { position: absolute; opacity: 0; pointer-events: none; }
.lg-ch span { display: flex; align-items: center; justify-content: center; gap: 8px; height: 44px; border: 1px solid var(--line); border-radius: 8px; font-size: 14.5px; font-weight: 500; cursor: pointer; color: var(--ink-2); }
.lg-ch input:checked + span { border-color: var(--brand); background: var(--brand-50); color: var(--brand); box-shadow: inset 0 0 0 1px var(--brand); }
.lg-ch input:focus-visible + span { outline: 2px solid var(--brand); outline-offset: 2px; }
.lg-ch input:disabled + span { opacity: .45; cursor: not-allowed; text-decoration: line-through; }
.lg-ch-reg { margin: -4px 0 16px; }
.lg-mail { display: flex; align-items: center; gap: 8px; margin: -2px 0 12px; font-size: 13.5px; color: var(--ink-2); }
.lg-mail .ic { color: var(--brand); }
.lg-err { margin: 0 0 12px; padding: 10px 12px; border-radius: 8px; background: #FDECEC; color: var(--danger); font-size: 14px; line-height: 1.45; }
.zl { display: inline-grid; place-items: center; height: 20px; padding: 0 5px; border-radius: 5px; background: #0068FF; color: #fff; font: 700 10px/1 var(--f-body); font-style: normal; letter-spacing: .2px; }
/* Google + Zalo: 2 nút ngang toàn chiều rộng */
.lg-social { display: grid; gap: 10px; }
.lg-sbtn { width: 100%; height: 44px; border-radius: 8px; gap: 10px; font-size: 15px; color: var(--ink); }
.lg-glogo { width: 18px; height: 18px; }
.lg-g { min-height: 44px; display: flex; justify-content: center; }
.lg-g > div { width: 100%; display: flex; justify-content: center; }
.lg-btn:disabled, #otpSubmit:disabled, #regSubmit:disabled { opacity: .7; cursor: progress; }
/* OTP trong khung */
#auOtp h3 { font-size: 20px; margin: 10px 0 4px; }
#auOtp .back { display: inline-flex; align-items: center; gap: 4px; color: var(--brand); font-weight: 500; font-size: 14px; }
/* Hộp đăng ký */
.lg-reg { width: min(520px, calc(100% - 24px)); max-height: calc(100% - 32px); }
.lg-reg .modal-h small { display: block; font-size: 13.5px; font-weight: 400; }
.lg-reg .modal-h b { font: 600 22px/1.3 var(--f-head); }
.lg-reg .lg-hr { margin: 14px -22px 16px; }
.lg-x { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--soft); flex: none; }
.lg-have { margin: 14px 0 0; font-size: 14px; }

@media (max-width: 900px) {
  .lg-in { grid-template-columns: minmax(0, 440px); justify-content: center; gap: 18px; padding: 28px 0 16px; }
  .lg-brand { text-align: center; }
  .lg-logo { height: 72px; margin: 0 auto; }
  .lg-brand h1 { font-size: 18px; margin: 10px auto 0; }
  .lg-brand p, .lg-pts { display: none; }
}
@media (max-width: 599px) { .lg-reg .fld-row { grid-template-columns: 1fr; } }