/* Shared Sam-style presentation. Functional controls retain their existing handlers. */
@media screen {
  :root {
    --navy: #202123;
    --muted: #66686c;
    --line: #e7e7e8;
  }
  body {
    background: #fff;
    font-weight: 500;
  }
  h1,
  h2,
  h3,
  h4 {
    letter-spacing: -0.035em;
    font-weight: 600;
  }
  .button {
    border-radius: 24px;
    font-weight: 600;
    box-shadow: none;
    min-height: 42px;
  }
  .button.primary {
    background: #252525;
    color: #fff;
    border-color: #252525;
  }
  .button.secondary {
    background: #fff;
    color: #303134;
    border-color: #dedee0;
  }
  .button:hover {
    filter: none;
    background: #f0f0f1;
    color: #202123;
  }
  .button.primary:hover {
    background: #414141;
    color: white;
  }
  :is(button, a, input, select, textarea, summary):focus-visible {
    outline: 2px solid #686a70;
    outline-offset: 3px;
  }
  .header {
    border-bottom: 0;
    padding-block: 18px;
  }
  .hero h1 {
    font-weight: 600;
  }
  .feature-workspace {
    max-width: 860px;
    padding: 22px 24px 64px;
  }
  .space-header {
    max-width: 1100px;
    padding: 16px 24px;
    border-bottom: 1px solid #f1f1f1;
  }
  .space-name {
    font-size: 17px;
    font-weight: 600;
  }
  .space-switcher summary {
    border: 0;
    background: #f5f5f5;
    border-radius: 22px;
    font-size: 13px;
    padding: 9px 15px;
  }
  .space-switcher nav {
    border-color: var(--line);
    box-shadow: 0 8px 30px #00000010;
  }
  .feature-workspace .feature-panel {
    border: 0;
    border-radius: 0;
    padding: 16px 0;
    background: transparent;
    box-shadow: none;
  }
  .feature-workspace h1 {
    font-size: clamp(27px, 4vw, 36px);
    margin: 20px 0 16px;
  }
  .feature-workspace h2 {
    font-size: 23px;
  }
  .feature-workspace h3 {
    font-size: 17px;
  }
  .feature-workspace p {
    margin-bottom: 16px;
  }
  .food-nav {
    gap: 4px;
    padding: 5px;
    background: #f7f7f8;
    border-radius: 14px;
    margin: 0 0 28px;
  }
  .food-nav .button {
    flex: 1 1 auto;
    background: transparent;
    border-color: transparent;
    border-radius: 10px;
    padding: 9px 12px;
    color: #696b6d;
    font-size: 13px;
  }
  .food-nav .button.primary {
    background: #fff;
    color: #202123;
    border-color: #e6e6e7;
  }
  .food-nav .button:hover {
    background: #ececee;
    color: #202123;
  }
  .field {
    font-size: 13px;
  }
  .field > span:first-child {
    text-transform: none;
    letter-spacing: 0;
    font-size: 13px;
    color: #555;
  }
  .field input,
  .field select,
  .feature-panel textarea {
    border-color: #dedee0;
    border-radius: 12px;
    font-size: 15px;
    background: #fff;
    color: #202123;
  }
  .feature-panel textarea {
    min-height: 90px;
    line-height: 1.6;
  }
  .feature-panel details {
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    margin: 14px 0;
  }
  .feature-panel details[open] {
    padding-bottom: 16px;
  }
  .feature-panel summary {
    padding: 14px 0;
    font-size: 14px;
  }
  .feature-options {
    gap: 8px;
  }
  .feature-options label {
    padding: 13px 16px;
    border-color: var(--line);
  }
  .feature-options label:has(input:checked) {
    border-color: #777;
    background: #f5f5f5;
  }
  .food-card,
  .food-stats article,
  .food-history article,
  .study-card {
    background: #f8f8f8;
    border: 1px solid #ededed;
    border-radius: 14px;
    padding: 18px;
  }
  .food-card {
    margin-bottom: 12px;
  }
  .food-stats {
    gap: 10px;
  }
  .food-card .button {
    margin: 4px 4px 4px 0;
  }
  .food-app progress {
    accent-color: #54575b;
    height: 8px;
  }
  #learning-assistant {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    padding: 12px;
    border-radius: 20px;
    background: #f4f4f4;
  }
  #learning-assistant .field {
    flex: 1 1 100%;
  }
  #learning-assistant textarea {
    background: transparent;
    border: 0;
  }
  #learning-assistant .feature-message {
    flex: 1;
    margin: 0;
  }
  #learning-assistant .button {
    margin-left: auto;
  }
  .feature-history li {
    border-bottom: 1px solid var(--line);
  }
  .app-save {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 12px;
    margin: 20px 0;
  }
  .app-save .button.primary {
    background: #f5f5f5;
    border-color: #e4e4e4;
    color: #444;
    min-height: 36px;
    font-size: 12px;
  }
  .app-save p {
    margin: 0;
  }
  .preview-notice {
    background: #f6f6f6;
    color: #666;
    font-size: 12px;
  }
  .auth-page {
    background: #fff;
  }
  .auth-shell {
    max-width: 1000px;
    gap: 60px;
  }
  .auth-story h1 {
    font-size: clamp(32px, 4vw, 48px);
  }
  .auth-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: none;
    padding: 28px;
  }
  .auth-tabs {
    background: #f5f5f5;
    border-radius: 12px;
  }
  .auth-tabs [aria-current] {
    background: #fff;
    color: #202123;
    box-shadow: 0 1px 3px #00000012;
    border-radius: 9px;
  }
  .auth-privacy {
    font-size: 12px;
  }
  .account[data-settings-style="compact-chat"] {
    max-width: 680px;
    padding: 0;
    margin: 36px auto 64px;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
  }
  .settings-heading {
    background: #f7f7f7;
    padding: 22px 26px;
    border-bottom: 1px solid var(--line);
  }
  .settings-heading h1 {
    font-size: 24px;
    margin: 0;
  }
  .settings-heading p {
    font-size: 13px;
    color: var(--muted);
    margin: 5px 0 0;
  }
  .settings-layout {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
  }
  .settings-nav {
    padding: 18px 10px;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: stretch;
  }
  .settings-nav a,
  .settings-nav span {
    border-radius: 8px;
    padding: 9px 12px;
    text-decoration: none;
    font-size: 13px;
  }
  .settings-nav [aria-current] {
    background: #f0f0f0;
  }
  .settings-body {
    min-width: 0;
    padding: 24px;
  }
  .settings-body h2 {
    font-size: 18px;
  }
  .settings-body dl {
    display: grid;
    gap: 6px;
    font-size: 13px;
    margin: 0;
  }
  .settings-body dt {
    color: var(--muted);
  }
  .settings-body dd {
    margin: 0 0 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
    overflow-wrap: anywhere;
  }
  .settings-body details {
    margin: 22px 0;
  }
  .settings-body summary {
    cursor: pointer;
    font-size: 14px;
  }
  .settings-body .account-apps {
    grid-template-columns: 1fr;
    gap: 6px;
    margin: 14px 0;
  }
  .settings-body .app-link {
    background: #f7f7f7;
    padding: 12px;
    border-radius: 10px;
  }
  .settings-body .app-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }
  .settings-body .favorite-access {
    margin: 0 0 20px;
    border: 0;
    padding: 0;
    background: none;
  }
  .settings-body .favorite-access h2 {
    font-size: 16px;
  }
  .settings-body .settings-logout {
    border-top: 1px solid var(--line);
    padding-top: 20px;
    margin-top: 24px;
  }
  body:has(.feature-workspace) footer {
    max-width: 860px;
    margin: auto;
    padding: 24px;
    font-size: 12px;
    background: #fff;
    border-top: 1px solid var(--line);
  }
  @media (max-width: 700px) {
    .feature-workspace {
      padding: 12px 16px 36px;
    }
    .space-header {
      padding: 12px 16px;
    }
    .space-name {
      font-size: 15px;
    }
    .food-nav .button {
      font-size: 12px;
      padding: 8px 10px;
    }
    .feature-workspace .form-grid {
      grid-template-columns: minmax(0, 1fr);
    }
    .auth-shell {
      gap: 24px;
    }
    .auth-panel {
      padding: 22px;
    }
    .account[data-settings-style="compact-chat"] {
      margin: 20px 12px 40px;
    }
    .settings-layout {
      grid-template-columns: minmax(0, 1fr);
    }
    .settings-nav {
      flex-direction: row;
      border-right: 0;
      border-bottom: 1px solid var(--line);
      padding: 10px;
    }
    .settings-body {
      padding: 20px;
    }
  }
}

/* Shared registration dialog above the SmartApps landing page. */
body.registration-open {
  overflow: hidden;
}
.registration-dialog {
  border: 1px solid #d8dfd9;
  border-radius: 24px;
  padding: 32px;
  width: min(600px, calc(100vw - 24px));
  max-height: calc(100dvh - 32px);
  overflow: auto;
  color: #203c35;
  background: #fafbf7;
  box-shadow: 0 24px 90px #102e3440;
}
.registration-dialog::backdrop {
  background: #102e34a6;
  backdrop-filter: blur(5px);
}
.registration-dialog .auth-shell {
  display: block;
  padding: 0;
  margin: 0;
  width: 100%;
  min-height: 0;
}
.registration-dialog .auth-story {
  display: none;
}
.registration-dialog .auth-panel {
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}
.registration-dialog .auth-panel h2 {
  padding-right: 24px;
}
.registration-dialog .auth-privacy {
  margin-bottom: 0;
}
.registration-close {
  position: absolute;
  right: 12px;
  top: 12px;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: #e9eee7;
  color: #203c35;
  font-size: 28px;
  cursor: pointer;
}
.registration-close:focus-visible {
  outline: 3px solid #477a64;
  outline-offset: 2px;
}
@media (max-width: 600px) {
  .registration-dialog {
    padding: 22px 18px;
  }
}