/* Shared CodexOS 27 surfaces for authentication and legal documents. */
:root {
  --public-os-brass: #c5a16a;
  --public-os-divider: #c8a983;
  --public-os-ink: #503524;
  --public-os-header: linear-gradient(115deg, #3c2a23, #624737 55%, #34271f);
  --public-os-foundation:
    radial-gradient(ellipse at 16% 0%, #bb895b14, transparent 60%),
    linear-gradient(115deg, #3c2a23e6, #624737d9 55%, #34271fe6);
  --public-os-surface: #f4e5c9f2;
}

.login_scene {
  width: min(100%, 460px);
  gap: 16px;
  transform: none;
}

.login_scene .login_graphic {
  width: 100%;
  max-width: 460px;
  max-height: 180px;
  margin: 0;
  flex-shrink: 0;
}

.login_scene .login_box {
  margin-top: 0;
  padding: 28px;
  flex-shrink: 0;
}

.login_box,
.book-spread--legal > .page.page--legal {
  color: #f5eddc;
  border: 1px solid var(--public-os-brass);
  border-radius: 0;
  background: var(--public-os-foundation);
  background-blend-mode: normal;
  clip-path: none;
  box-shadow: 0 18px 45px #140c0866, 0 0 0 3px #614837eb;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-family: "Segoe UI", sans-serif;
}

.login_box h1,
.legal_doc h1 {
  color: #f7e9ce;
  font-family: "Segoe UI", sans-serif;
  font-weight: 600;
  letter-spacing: .04em;
}

.auth_switch {
  gap: 0;
  padding: 0;
  border-color: var(--public-os-brass);
  border-radius: 0;
  background: var(--public-os-header);
}

.auth_switch_link {
  color: #dfc9aa;
  border-radius: 0;
  border-bottom: 2px solid transparent;
}

.auth_switch_link:hover {
  color: #fff0d2;
  background: #74503a66;
}

.auth_switch_link.is-active {
  color: #ffe5b8;
  border-bottom-color: #edce96;
  background: linear-gradient(110deg, #64302b, #9a4d3d, #6c302c);
  box-shadow: none;
}

.login_label,
.auth_help {
  color: #f5eddc;
}

.login_box .l_field,
.login_form input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]) {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #b69a79;
  border-radius: 2px;
  background: var(--public-os-surface);
  color: var(--public-os-ink);
  box-shadow: inset 0 1px #fff4dc;
  font: inherit;
}

.login_box :is(input, button, a):focus-visible,
.login_box .login_form input:focus,
.legal_doc a:focus-visible {
  outline: 2px solid #edce96;
  outline-offset: 3px;
}

.login_btn {
  border-color: #b68661;
  border-radius: 3px;
  background: linear-gradient(110deg, #64302b, #9a4d3d, #6c302c);
  color: #f9e7c7;
  box-shadow: inset 0 1px #e6aa8655;
  text-shadow: none;
  font-family: inherit;
}

.login_btn:hover {
  filter: brightness(1.12);
}

.login_btn--secondary {
  border-color: #718eae;
  background: linear-gradient(110deg, #2b4160, #4d729a, #2c456c);
  box-shadow: inset 0 1px #aac5e655;
}

.login_box :is(.forgot_password_link, .auth_back_link, .legal_links) a {
  color: #f2d8a7;
}

.legal_links,
.passkey_divider,
.passkey_hint,
.login_version {
  color: #dfc9aa;
  font-family: inherit;
}

.passkey_divider::before,
.passkey_divider::after {
  background: #c5a16a66;
}

.legal_links {
  padding-top: 12px;
  border-top: 1px solid #c5a16a66;
}

.password_guidance,
.auth_confirmation,
.login_notice {
  color: var(--public-os-ink);
  border-color: var(--public-os-divider);
  border-radius: 2px;
  background: var(--public-os-surface);
  box-shadow: none;
}

.password_policy_item {
  border-radius: 2px;
}

.login_errors,
.field_error {
  color: #ffc2b9;
}

.auth_invalid_link {
  color: #ffc2b9;
  border-color: #d7948580;
  border-radius: 2px;
  background: #813d3644;
}

.book-spread.book-spread--legal {
  padding: 24px clamp(12px, 4vw, 64px) 40px;
}

.book-spread--legal > .page.page--legal {
  min-width: 0;
  min-height: 0;
  /* The shared parchment module marks these properties as important. */
  background: var(--public-os-foundation) !important;
  background-blend-mode: normal !important;
}

.page.page--legal::after {
  content: none;
}

.legal_doc {
  width: 100%;
  color: #f5eddc;
  font-family: "Segoe UI", sans-serif;
  overflow-wrap: anywhere;
}

.legal_doc > h1 {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--public-os-brass);
}

.legal_block {
  color: var(--public-os-ink);
  border-color: var(--public-os-divider);
  border-radius: 0;
  background: var(--public-os-surface);
  box-shadow: none;
}

.legal_block h2 {
  margin: -10px -12px 10px;
  padding: 8px 12px;
  color: #f7e9ce;
  border-bottom: 1px solid var(--public-os-brass);
  background: var(--public-os-header);
  font-weight: 600;
}

.legal_block--warning {
  border-left: 3px solid #c5a16a;
  background: #f1dbafef;
}

.legal_doc a {
  color: #813d36;
  text-underline-offset: 3px;
}

.legal_doc .legal_actions a {
  display: inline-block;
  padding: 8px 14px;
  color: #f2d8a7;
  border: 1px solid #c5a16a80;
  border-radius: 2px;
  background: #31231d80;
  text-decoration: none;
}

.legal_doc .legal_actions a:hover {
  background: #74503a66;
}

.legal_privacy_page .book-spread.book-spread--legal {
  padding-bottom: calc(80px + env(safe-area-inset-bottom, 0px));
}

.legal_back_to_top {
  position: fixed;
  left: 50%;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 20;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid #b68661;
  border-radius: 3px;
  background: linear-gradient(110deg, #64302b, #9a4d3d, #6c302c);
  color: #f9e7c7;
  box-shadow: 0 4px 12px #140c0866, inset 0 1px #e6aa8655;
  font: 1.5rem/1 "Segoe UI", sans-serif;
  text-decoration: none;
}

.legal_back_to_top[hidden] {
  display: none;
}

.legal_back_to_top:hover {
  filter: brightness(1.12);
}

.legal_back_to_top:focus-visible {
  outline: 2px solid #edce96;
  outline-offset: 3px;
}

@media print {
  .legal_back_to_top {
    display: none;
  }
}

@media (max-width: 480px) {
  .login_scene {
    width: min(100%, 380px);
    gap: 12px;
  }

  .login_scene .login_graphic {
    max-height: 140px;
  }

  .login_scene .login_box {
    padding: 22px 16px;
  }

  .auth_switch_link {
    padding: 10px 6px;
  }

  .login_box h1 {
    overflow-wrap: anywhere;
  }

  .book-spread.book-spread--legal {
    padding: 12px 10px 24px;
  }

  .book-spread--legal > .page.page--legal {
    width: 100%;
    padding: 16px 12px;
  }

  .legal_doc {
    font-size: .95rem;
  }

  .legal_doc h1 {
    font-size: clamp(1.35rem, 5vw, 1.8rem);
  }
}

@media (max-height: 560px) {
  .login_scene {
    gap: 8px;
  }

  .login_scene .login_graphic {
    width: min(65%, 220px);
    max-height: 100px;
  }

  .login_scene .login_box {
    padding: 18px 16px;
  }
}