[data-bi-auth] { min-height: 100dvh; background: var(--background); color: var(--foreground); }
.bi-auth-header { max-width: 1120px; margin: auto; min-height: 88px; padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--border); }
.bi-auth-brand { display: flex; align-items: center; gap: 12px; min-width: 0; font-size: 24px; font-weight: 700; }
.bi-auth-brand img { width: 64px; height: 64px; flex: none; object-fit: contain; }
.bi-auth-brand span { overflow-wrap: anywhere; }
.bi-auth-back, .bi-auth-secondary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.bi-auth-back { font-size: 14px; flex: none; }
.bi-auth-main { max-width: 1040px; margin: auto; padding: 48px 24px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 440px); gap: 64px; align-items: start; }
.bi-auth-photo { position: sticky; top: 32px; }
.bi-auth-photo img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 8px; }
.bi-auth-content { min-width: 0; }
.bi-auth-content h1 { margin: 0 0 24px; font-size: 30px; line-height: 1.25; font-weight: 700; overflow-wrap: anywhere; }
.bi-auth-content > p { margin-bottom: 16px; }
.bi-auth-content strong { overflow-wrap: anywhere; }
[data-bi-auth-form] { display: flex; flex-direction: column; gap: 18px; }
.bi-auth-field { min-width: 0; }
.bi-auth-field > label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.bi-auth-field input:not([type=checkbox]) { min-width: 0; width: 100%; height: 46px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--background); font-size: 16px; }
[data-bi-auth] :is(input, button, a):focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.bi-auth-password { position: relative; }
.bi-auth-password input { padding-right: 50px !important; }
.bi-auth-password button { position: absolute; right: 2px; top: 2px; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 6px; }
.bi-auth-password button:hover { background: var(--muted); }
.bi-auth-hint, [data-bi-auth-error] { font-size: 13px; line-height: 1.45; margin-top: 6px; }
.bi-auth-hint { color: var(--muted-foreground); }
[data-bi-auth-error] { color: #a72e3d; }
[data-bi-auth] [aria-invalid=true] { border-color: #a72e3d !important; }
[data-bi-auth] [hidden] { display: none !important; }
.bi-auth-check { display: flex !important; align-items: flex-start; gap: 10px; font-size: 14px; line-height: 1.5; font-weight: 400 !important; }
.bi-auth-check input { appearance: auto; width: 18px; height: 18px; flex: none; margin-top: 2px; accent-color: var(--primary); }
.bi-auth-check a, .bi-auth-options a, .bi-auth-links a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.bi-auth-options { display: flex; align-items: start; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 14px; }
.bi-auth-primary { display: flex; align-items: center; justify-content: center; width: 100%; min-height: 48px; padding: 12px 20px; border-radius: 999px; color: var(--primary-foreground); font-size: 16px; line-height: 1.5; font-weight: 700; box-shadow: var(--shadow-soft); transition: transform 300ms, box-shadow 300ms; text-align: center; overflow-wrap: anywhere; }
.bi-auth-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.bi-auth-secondary { min-height: 44px; padding: 10px 16px; border-radius: 8px; border: 1px solid var(--border); font-size: 14px; }
.bi-auth-settings-link { display: flex; width: 100%; margin-top: 20px; }
.bi-auth-signout { margin-top: 20px; }
.bi-auth-links { margin-top: 24px; font-size: 14px; text-align: center; }
.bi-auth-footer { max-width: 1040px; margin: auto; display: flex; justify-content: center; flex-wrap: wrap; gap: 24px; padding: 24px; font-size: 13px; color: var(--muted-foreground); }
[data-bi-auth-notice] { padding: 12px 0; margin-bottom: 20px; border-block: 1px solid var(--border); line-height: 1.5; overflow-wrap: anywhere; }
[data-bi-auth-notice][data-tone=error] { color: #a72e3d; }
[data-bi-auth-form][aria-busy=true] button { cursor: wait; }
[data-bi-auth-form] button:disabled { opacity: .65; }
@media (max-width: 767px) {
    .bi-auth-header { padding-inline: 16px; gap: 8px; }
    .bi-auth-brand { font-size: 20px; gap: 6px; }
    .bi-auth-brand img { width: 48px; height: 64px; }
    .bi-auth-main { grid-template-columns: minmax(0, 440px); justify-content: center; padding: 32px 20px; gap: 0; }
    .bi-auth-photo { display: none; }
    .bi-auth-content h1 { font-size: 28px; }
}
@media (min-width: 768px) and (max-width: 1023px) { .bi-auth-main { gap: 32px; } }
@media (max-width: 359px) { .bi-auth-back span { display: none; } }
@media (prefers-reduced-motion: reduce) { .bi-auth-primary { transition: none; } .bi-auth-primary:hover { transform: none; } }