/* Same paper and orange palette as the document gallery. */
.header-inner { position: relative; }
.account-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; margin-left: auto; }
.account-actions .account-login { min-height: 38px; padding: 7px 18px; font-size: 12px; }
.account-phone { font-size: 12px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.account-logout { font-size: 12px; padding: 10px 0 10px 8px; min-height: 44px; }
body[data-view="library"] .account-phone, body[data-view="library"] .account-logout { color: var(--color-nav-ink); }
body[data-view="library"] .account-logout:focus-visible { outline-color: var(--color-nav-ink); }
body:not([data-auth="signed-in"]) .gallery-toolbar .filter-search, body:not([data-auth="signed-in"]) .category-band { display: none; }
.login-gate { display: flex; align-items: flex-start; flex-direction: column; padding: 38px 0 46px; gap: 14px; }
.login-gate-label { color: var(--color-accent); font-size: 11px; letter-spacing: .1em; }
.login-gate h2 { font-size: clamp(25px,4vw,34px); letter-spacing: -.035em; font-weight: 600; }
.login-gate p { color: var(--color-muted); font-size: 13px; max-width: 420px; }
.login-gate .button { margin-top: 10px; padding-inline: 24px; }
dialog.auth-dialog { width: min(440px,calc(100% - 32px)); max-width: 440px; max-height: calc(100dvh - 32px); overflow-y: auto; padding: 42px 36px 30px; border: 1px solid var(--color-rule); border-radius: 18px; background: var(--color-surface); color: var(--color-ink); box-shadow: 0 20px 90px var(--color-shadow); }
dialog.auth-dialog::backdrop { background: var(--color-overlay); backdrop-filter: blur(5px); }
.auth-close { position: absolute; right: 9px; top: 9px; }
.auth-brand { color: var(--color-accent); font-size: 22px; font-weight: 700; margin-bottom: 30px; }
.auth-brand span { display: inline-block; font-family: var(--font-mono); font-size: 9px; letter-spacing: .12em; font-weight: 500; margin-left: 10px; }
.auth-dialog h2 { font-size: 27px; line-height: 1.4; font-weight: 600; letter-spacing: -.04em; padding-right: 0; }
.auth-description { font-size: 13px; color: var(--color-muted); margin-top: 8px; margin-bottom: 28px; }
.auth-notice { padding: 12px 14px; margin: -8px 0 20px; border-radius: 6px; background: var(--color-accent-soft); color: var(--color-accent); font-size: 12px; line-height: 1.7; }
.auth-label { display: block; font-size: 12px; font-weight: 550; margin: 20px 0 8px; }
.auth-phone-field, .auth-code-field { display: flex; gap: 10px; align-items: center; min-width: 0; }
.auth-phone-field { border: 1px solid var(--color-rule); border-radius: var(--radius-sm); background: var(--color-paper); padding-left: 14px; gap: 0; }
.auth-phone-field > span { font-size: 13px; color: var(--color-neutral); padding-right: 13px; border-right: 1px solid var(--color-rule); }
.auth-phone-field input, .auth-code-field input { min-width: 0; width: 100%; font-size: 16px; height: 48px; padding: 12px 13px; background: var(--color-paper); }
.auth-phone-field input { border: 0; background: transparent; }
.auth-phone-field:focus-within { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.auth-phone-field input:focus-visible { outline: 0; }
.auth-code-field input { flex: 1 1 0; }
.auth-code-field button { flex: 0 0 112px; padding: 10px 8px; min-height: 48px; background: var(--color-accent-soft); color: var(--color-accent); border: 1px solid var(--color-accent-rule); border-radius: var(--radius-sm); font-size: 12px; }
.auth-dialog input[aria-invalid="true"] { border-color: var(--color-accent); }
.auth-phone-field:has(input[aria-invalid="true"]) { border-color: var(--color-accent); }
.auth-error, .auth-feedback { font-size: 12px; margin-top: 12px; line-height: 1.7; }
.auth-error { color: var(--color-accent); }
.auth-feedback { color: var(--color-green); }
.auth-demo-code { margin-top: 14px; padding: 10px 12px; border: 1px dashed var(--color-accent-rule); border-radius: 6px; font-family: var(--font-mono); font-size: 13px; }
.auth-submit { width: 100%; margin-top: 24px; min-height: 48px; }
.auth-footnote { margin-top: 20px; color: var(--color-muted); font-size: 11px; line-height: 1.8; }
.auth-dialog button:disabled { cursor: default; }
@media (max-width: 39.99rem) {
  .header-inner { display: grid; grid-template-columns: minmax(0,1fr) auto; width: 100%; column-gap: 8px; }
  .top-navigation { grid-column: 1 / -1; grid-row: 2; }
  .account-actions { grid-column: 2; grid-row: 1; gap: 4px; }
  .account-phone { font-size: 11px; }
  .account-logout { font-size: 11px; }
}
@media (max-width: 359px) {
  dialog.auth-dialog { padding: 38px 22px 26px; }
  .auth-dialog h2 { font-size: 25px; }
  .auth-code-field button { flex-basis: 100px; }
}
@media (prefers-reduced-motion: reduce) { .auth-dialog, .auth-dialog * { animation: none !important; transition: none !important; } }