.ai-page {
  --ai-rail-width: clamp(17rem, 24vw, 21rem);
  --ai-rail-collapsed-width: 2.2rem;
  --ai-rail-effective-width: var(--ai-rail-width);

  @media (min-width: 67.5rem) {
    body.ai-page.ai-rail-collapsed & {
      --ai-rail-effective-width: var(--ai-rail-collapsed-width);
    }

    body.ai-page.ai-rail-right & {
      --content-inline-offset-end: var(--ai-rail-effective-width);
    }

    body.ai-page.ai-rail-left & {
      --content-inline-offset-start: var(--ai-rail-effective-width);
    }
  }

  .ai-page__rail-toggle {
    display: none;

    @media (max-width: 67.4375rem) {
      display: inline-flex;
      margin-inline-start: 0;
      order: -0.5;
    }
  }

  .ai-page__shell {
    --ai-rail-toggle-clearance: 1.45rem;

    display: grid;
    flex: 1 1 auto;
    gap: 0;
    grid-template-areas: "main rail";
    grid-template-columns: minmax(0, 1fr) var(--ai-rail-width);
    height: 100%;
    min-block-size: 0;
    padding: 0;

    @media (max-width: 67.4375rem) {
      grid-template-columns: minmax(0, 1fr);
      grid-template-areas: "main";
      padding: 0;
      position: relative;
    }
  }

  .ai-page__shell.ai-page__shell--rail-collapsed {
    @media (min-width: 67.5rem) {
      grid-template-columns: minmax(0, 1fr) var(--ai-rail-collapsed-width);
    }
  }

  .ai-page__shell.ai-page__shell--rail-left {
    @media (min-width: 67.5rem) {
      grid-template-areas: "rail main";
      grid-template-columns: var(--ai-rail-width) minmax(0, 1fr);
    }
  }

  .ai-page__shell.ai-page__shell--rail-left.ai-page__shell--rail-collapsed {
    @media (min-width: 67.5rem) {
      grid-template-columns: var(--ai-rail-collapsed-width) minmax(0, 1fr);
    }
  }

  .ai-page__rail-backdrop {
    display: none;
  }

  .ai-page__rail,
  .ai-page__main-container,
  .ai-page__main {
    min-block-size: 0;
  }

  .ai-page__rail-container {
    grid-area: rail;
    height: 100%;
    min-block-size: 0;
    min-inline-size: 0;
    overflow: hidden;

    @media (max-width: 67.4375rem) {
      inset: 0 auto 0 0;
      max-inline-size: min(20rem, 88vw);
      position: absolute;
      transform: translateX(-100%);
      transition: transform 180ms ease;
      width: min(20rem, 88vw);
      z-index: 6;
    }
  }

  .ai-page__main-container {
    grid-area: main;
    display: flex;
    min-inline-size: 0;
    overflow: hidden;
  }

  .ai-page__rail {
    background-color: oklch(var(--lch-white) / 0.03);
    background-image:
      radial-gradient(140% 140% at 0% 0%, oklch(var(--lch-blue) / 0.12), transparent 58%),
      radial-gradient(140% 140% at 100% 100%, oklch(var(--lch-orange) / 0.08), transparent 62%),
      linear-gradient(180deg, oklch(var(--lch-white) / 0.03), oklch(var(--lch-white) / 0.015));
    border-inline-end: 1px solid var(--color-border);
    box-shadow:
      inset -1px 0 0 oklch(var(--lch-always-black) / 0.18),
      0 0 0 1px oklch(var(--lch-white) / 0.03);
    height: 100%;
    min-inline-size: 0;
    overflow: hidden;

    @media (max-width: 67.4375rem) {
      background-color: var(--color-bg);
      background-image: none;
      border-inline-end: 1px solid var(--color-border-darker);
      box-shadow: 0 1.25rem 2rem -1rem oklch(var(--lch-always-black) / 0.7);
    }
  }

  .ai-page__rail-scroll {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    height: 100%;
    min-inline-size: 0;
    overflow-y: auto;
    padding: calc(var(--safe-area-inset-top) + 0.4rem) 0.9rem 1rem;

    @media (min-width: 67.5rem) {
      padding-block-start: calc(var(--safe-area-inset-top) + 0.4rem + var(--ai-rail-toggle-clearance));
    }
  }

  .ai-page__rail-desktop-toggle {
    display: none;
  }

  .ai-page__rail-mobile-bar {
    display: none;

    @media (max-width: 67.4375rem) {
      display: flex;
      justify-content: flex-end;
      margin-bottom: -0.25rem;
    }
  }

  .ai-page__rail-close {
    @media (min-width: 67.5rem) {
      display: none;
    }
  }

  @media (min-width: 67.5rem) {
    .ai-page__rail-desktop-toggle {
      --btn-background: color-mix(in oklab, var(--color-bg) 72%, transparent);
      --btn-border-color: color-mix(in oklab, var(--color-border-dark) 68%, transparent);
      --btn-icon-filter: var(--btn-icon-filter-light);
      --btn-padding: 0.2rem 0.4rem;

      align-items: center;
      border-radius: 0;
      color: var(--color-text);
      column-gap: 0.28rem;
      display: inline-flex !important;
      inline-size: var(--ai-rail-width);
      inset-block-start: var(--safe-area-inset-top);
      inset-inline-start: 0;
      justify-content: flex-start;
      min-block-size: 1.8rem;
      min-inline-size: 0;
      overflow: hidden;
      position: fixed;
      z-index: 14;
    }

    .ai-page__shell.ai-page__shell--rail-right .ai-page__rail-desktop-toggle {
      inset-inline-end: 0;
      inset-inline-start: auto;
    }

    .ai-page__shell.ai-page__shell--rail-left .ai-page__rail-desktop-toggle {
      inset-inline-start: 0;
      inset-inline-end: auto;
    }

    .ai-page__rail-desktop-toggle .nav__icon {
      --nav-icon-size-base: 0.9rem;

      transition: transform 130ms ease;
    }

    .ai-page__rail-desktop-toggle-copy {
      color: var(--color-text);
      font-size: calc(0.56rem * var(--user-font-scale, 1));
      font-weight: 700;
      letter-spacing: 0.02em;
      overflow: hidden;
      text-overflow: ellipsis;
      text-transform: uppercase;
      white-space: nowrap;
    }

    .ai-page__shell.ai-page__shell--rail-collapsed .ai-page__rail-desktop-toggle {
      --btn-padding: 0.2rem;

      inline-size: auto;
      inset-block-start: var(--safe-area-inset-top);
      min-inline-size: 1.8rem;
      z-index: 9;
    }

    .ai-page__shell.ai-page__shell--rail-right.ai-page__shell--rail-collapsed .ai-page__rail-desktop-toggle {
      inset-inline-end: 0.25rem;
      inset-inline-start: auto;
    }

    .ai-page__shell.ai-page__shell--rail-left.ai-page__shell--rail-collapsed .ai-page__rail-desktop-toggle {
      inset-inline-start: 0.25rem;
      inset-inline-end: auto;
    }

    .ai-page__shell.ai-page__shell--rail-collapsed .ai-page__rail-desktop-toggle .nav__icon {
      --nav-icon-size-base: 0.82rem;
      transform: rotate(180deg);
    }

    .ai-page__shell.ai-page__shell--rail-collapsed .ai-page__rail-desktop-toggle-copy {
      display: none;
    }

    .ai-page__shell.ai-page__shell--rail-collapsed .ai-page__rail-section {
      display: none;
    }

    .ai-page__shell.ai-page__shell--rail-collapsed .ai-page__rail-scroll {
      align-items: center;
      padding-inline: 0.2rem;
    }
  }

  .ai-page__rail-section {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
  }

  .ai-page__rail-group {
    border: 0;
    margin: 0;
    padding: 0;
  }

  .ai-page__rail-group-summary {
    align-items: center;
    cursor: pointer;
    display: flex;
    list-style: none;
    user-select: none;
  }

  .ai-page__rail-group-summary::-webkit-details-marker {
    display: none;
  }

  .ai-page__rail-group-summary::before {
    color: color-mix(in oklab, var(--color-text) 75%, transparent);
    content: "▾";
    display: inline-block;
    font-size: calc(0.86rem + 0.2em);
    margin-inline-end: 0.35rem;
    transform: translateY(-1px);
    transition: transform 0.15s ease;
  }

  .ai-page__rail-group:not([open]) .ai-page__rail-group-summary::before {
    transform: rotate(-90deg) translateX(1px);
  }

  .ai-page__rail-section--recent {
    flex: 0 0 auto;
    min-block-size: auto;
  }

  .ai-page__rail-section--recent .ai-page__rail-list {
    flex: 0 0 auto;
    gap: 0.16rem;
    overflow-y: visible;
    padding-inline-end: 0.2rem;
  }

  .ai-page__rail-section--recent .ai-page__rail-chat {
    border-radius: 0.62rem;
    gap: 0 0.4rem;
    min-block-size: 2.2rem;
    padding: 0.38rem 0.56rem;
  }

  .ai-page__rail-section--recent .ai-page__rail-chat-avatar {
    height: 1.2rem;
    width: 1.2rem;
  }

  .ai-page__rail-section--recent .ai-page__rail-chat-icon {
    height: 0.58rem;
    width: 0.58rem;
  }

  .ai-page__rail-section--recent .ai-page__rail-chat-body {
    align-items: baseline;
    column-gap: 0.45rem;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "title meta"
      "summary summary";
    row-gap: 0.04rem;
  }

  .ai-page__rail-section--recent .ai-page__rail-chat-title {
    font-size: calc(0.94rem + 0.2em);
    font-weight: 650;
    grid-area: title;
    line-height: 1.15;
  }

  .ai-page__rail-section--recent .ai-page__rail-chat-summary {
    display: block;
    font-size: calc(0.8rem + 0.2em);
    font-weight: 500;
    grid-area: summary;
    line-height: 1.1;
    margin-top: -0.02rem;
    white-space: nowrap;
  }

  .ai-page__rail-section--recent .ai-page__rail-chat-meta {
    font-size: calc(0.84rem + 0.2em);
    grid-area: meta;
    line-height: 1.1;
    margin-top: 0;
    text-align: right;
    white-space: nowrap;
  }

  .ai-page__rail-title {
    font-size: calc(0.95rem + 0.2em);
    font-weight: 700;
  }

  .ai-page__rail-title--lined {
    align-items: center;
    display: flex;
    font-size: calc(0.86rem + 0.2em);
    font-weight: 700;
    gap: 0.3rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .ai-page__rail-title--lined::after {
    background: color-mix(in oklab, var(--color-text) 28%, transparent);
    content: "";
    flex: 1 1 auto;
    height: 1px;
    min-inline-size: 1rem;
  }

  .ai-page__rail-avatars {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-inline-size: 0;
  }

  .ai-page__rail-avatar-form {
    display: block;
    min-inline-size: 0;
  }

  .ai-page__rail-avatar-button {
    align-items: center;
    background: none;
    border: 0;
    color: inherit;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-inline-size: 0;
    padding: 0;
    text-align: center;
    width: 100%;
  }

  .ai-page__rail-avatar {
    --avatar-size: 2.55rem;
  }

  .ai-page__rail-avatar-label {
    font-size: calc(0.8rem + 0.2em);
    font-weight: 700;
    line-height: 1.2;
    overflow-wrap: anywhere;
    white-space: normal;
    width: 100%;
  }

  .ai-page__rail-avatar--add {
    align-items: center;
    border: 1px dashed var(--color-border);
    border-radius: 999px;
    display: inline-flex;
    font-size: 1.2rem;
    height: 2.55rem;
    justify-content: center;
    width: 2.55rem;
  }

  .ai-page__rail-list {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-inline-size: 0;
  }

  .ai-page__rail-show-all {
    color: color-mix(in oklab, var(--color-text) 88%, transparent);
    display: inline-block;
    font-size: calc(0.82rem + 0.2em);
    font-weight: 700;
    margin-top: 0.35rem;
    text-decoration: none;
  }

  .ai-page__rail-show-all:hover {
    color: var(--color-text);
    text-decoration: underline;
  }

  .ai-page__chat-groups {
    display: flex;
    flex-direction: column;
    gap: 0.95rem;
  }

  .ai-page__chat-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
  }

  .ai-page__chat-group-header {
    align-items: center;
    display: flex;
    gap: 0.45rem;
  }

  .ai-page__chat-group-avatar {
    --avatar-size: 1.35rem;
  }

  .ai-page__chat-group-title {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .ai-page__chat-group-count {
    margin-left: auto;
  }

  .ai-page__main--all-chats .ai-page__launcher {
    padding-top: calc(var(--safe-area-inset-top) + 3.75rem);

    @media (min-width: 67.5rem) {
      padding-top: calc(var(--safe-area-inset-top) + 2.75rem);
    }
  }

  .ai-page__main--all-chats .ai-page__chats-section + .ai-page__chats-section {
    margin-top: 1.5rem;
  }

  .ai-page__main--all-chats .ai-page__section-title {
    align-items: center;
    background: color-mix(in oklab, var(--color-text) 12%, transparent);
    border: 1px solid color-mix(in oklab, var(--color-text) 22%, transparent);
    border-radius: 0.6rem;
    display: inline-flex;
    font-size: 1.28rem;
    font-weight: 900;
    letter-spacing: 0.01em;
    line-height: 1.1;
    margin-bottom: 1rem;
    padding: 0.35rem 0.6rem;
  }

  .ai-page__main--all-chats .ai-page__chat-group-title {
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: 0.045em;
  }

  .ai-page__main--all-chats .ai-page__chat-group-count {
    font-size: 1rem;
    font-weight: 700;
  }

  .ai-page__main--all-chats .ai-page__chat-group {
    border-top: 1px solid color-mix(in oklab, var(--color-text) 18%, transparent);
    padding-top: 0.75rem;
  }

  .ai-page__rail-chat {
    border-radius: 0.9rem;
    color: inherit;
    display: grid;
    gap: 0.2rem 0.55rem;
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas:
      "icon body"
      "icon body";
    min-block-size: 3.25rem;
    min-inline-size: 0;
    padding: 0.62rem 0.75rem;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  }

  .ai-page__rail-chat--current {
    background: rgba(255,255,255,.1);
  }

  .ai-page__rail-chat-avatar {
    align-items: center;
    align-self: center;
    background: oklch(var(--lch-white) / 0.06);
    border-radius: 999px;
    display: inline-flex;
    grid-area: icon;
    height: 1.9rem;
    justify-content: center;
    overflow: hidden;
    width: 1.9rem;
  }

  .ai-page__rail-chat-avatar-image {
    display: block;
    height: 100%;
    object-fit: cover;
    width: 100%;
  }

  .ai-page__rail-chat-icon {
    opacity: 0.82;
  }

  .ai-page__rail-chat-body {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    grid-area: body;
    min-inline-size: 0;
  }

  .ai-page__rail-chat-title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .ai-page__rail-chat-summary {
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .ai-page__rail-chat-meta {
    font-size: 0.78rem;
    line-height: 1.2;
    margin-top: 0.1rem;
    white-space: normal;
  }

  .ai-page__rail-chat--current .ai-page__rail-chat-title {
    color: var(--color-text);
  }

  .ai-page__rail-chat--current .ai-page__rail-chat-summary,
  .ai-page__rail-chat--current .ai-page__rail-chat-meta {
    color: color-mix(in oklab, var(--color-text) 88%, transparent);
  }

  .ai-page__main {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-inline-size: 0;
    overflow: hidden;
  }

  .ai-page__main--chat {
    min-block-size: 0;
  }

  .ai-streaming .ai-trace-panel {
    background: color-mix(in oklab, var(--color-bg) 92%, var(--color-text) 8%);
    border: 1px solid color-mix(in oklab, var(--color-text) 20%, transparent);
    border-left: 2px solid color-mix(in oklab, var(--color-text) 28%, transparent);
    border-radius: 0.5rem;
    color: var(--color-text);
    inline-size: 100%;
    opacity: 1;
    padding: 0.45rem 0.55rem 0.55rem;
    margin-bottom: 0.5rem;
  }

  .ai-streaming .message__body {
    inline-size: 100%;
    max-inline-size: 100%;
  }

  .ai-streaming .ai-trace-header {
    color: color-mix(in oklab, var(--color-text) 70%, transparent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 0.35rem;
    opacity: 1;
    text-transform: uppercase;
  }

  .ai-streaming .ai-trace-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .ai-streaming .ai-trace-entry {
    background: color-mix(in oklab, var(--color-bg) 86%, var(--color-text) 14%);
    border: 1px solid color-mix(in oklab, var(--color-text) 16%, transparent);
    border-radius: 0.45rem;
    color: var(--color-text);
    font-size: 0.82rem;
    opacity: 1;
    overflow: hidden;
    transform: translateY(0);
    transition: opacity 140ms ease, transform 140ms ease, border-color 140ms ease;
  }

  .ai-streaming .ai-trace-entry--visible {
    opacity: 1;
    transform: translateY(0);
  }

  .ai-streaming .ai-trace-entry--requested {
    border-color: color-mix(in oklab, var(--color-text) 20%, transparent);
  }

  .ai-streaming .ai-trace-entry--completed {
    border-color: color-mix(in oklab, oklch(var(--lch-green) / 0.5) 35%, var(--color-border));
  }

  .ai-streaming .ai-trace-entry__summary {
    background: transparent;
    border: 0;
    color: var(--color-text);
    cursor: pointer;
    display: block;
    font-weight: 600;
    inline-size: 100%;
    opacity: 1;
    text-align: left;
    padding: 0.3rem 0.45rem;
  }

  .ai-streaming .ai-trace-entry__summary:hover {
    background: color-mix(in oklab, var(--color-text) 10%, transparent);
  }

  .ai-streaming .ai-trace-entry__details {
    background: color-mix(in oklab, var(--color-bg) 90%, var(--color-text) 10%);
    border-top: 1px solid color-mix(in oklab, var(--color-text) 12%, transparent);
    color: color-mix(in oklab, var(--color-text) 96%, transparent);
    margin: 0;
    max-height: 9rem;
    opacity: 1;
    overflow: auto;
    padding: 0.45rem;
    white-space: pre-wrap;
  }

  .ai-streaming .ai-trace-entry__details[hidden] {
    display: none;
  }

  .ai-trace-panel--persisted {
    background: color-mix(in oklab, var(--color-bg) 98%, var(--color-text) 2%);
    border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
    border-radius: 0.5rem;
    color: color-mix(in oklab, var(--color-text) 88%, transparent);
    inline-size: 100%;
    margin-top: 0.4rem;
    padding: 0.3rem 0.45rem 0.35rem;
  }

  .ai-trace-panel--persisted > .ai-trace-panel__summary {
    color: color-mix(in oklab, var(--color-text) 50%, transparent);
    cursor: pointer;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    list-style: none;
    margin-bottom: 0.05rem;
    text-transform: lowercase;
  }

  .ai-trace-panel--persisted > .ai-trace-panel__summary::-webkit-details-marker {
    display: none;
  }

  .ai-trace-panel--persisted .ai-trace-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-top: 0.2rem;
  }

  .ai-trace-panel--persisted .ai-trace-entry {
    background: color-mix(in oklab, var(--color-bg) 95%, var(--color-text) 5%);
    border: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
    border-radius: 0.35rem;
    color: color-mix(in oklab, var(--color-text) 80%, transparent);
    font-size: 0.76rem;
    overflow: hidden;
  }

  .ai-trace-panel--persisted .ai-trace-entry--requested {
    border-color: color-mix(in oklab, var(--color-text) 8%, transparent);
  }

  .ai-trace-panel--persisted .ai-trace-entry--completed {
    border-color: color-mix(in oklab, oklch(var(--lch-green) / 0.25) 18%, var(--color-border));
  }

  .ai-trace-panel--persisted .ai-trace-entry > .ai-trace-entry__summary {
    cursor: pointer;
    font-weight: 500;
    list-style: none;
    padding: 0.22rem 0.35rem;
  }

  .ai-trace-panel--persisted .ai-trace-entry > .ai-trace-entry__summary::-webkit-details-marker {
    display: none;
  }

  .ai-trace-panel--persisted .ai-trace-entry > .ai-trace-entry__summary:hover {
    background: color-mix(in oklab, var(--color-text) 6%, transparent);
  }

  .ai-trace-panel--persisted .ai-trace-entry__details {
    background: color-mix(in oklab, var(--color-bg) 96%, var(--color-text) 4%);
    border-top: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
    color: color-mix(in oklab, var(--color-text) 78%, transparent);
    margin: 0;
    max-height: 10rem;
    overflow: auto;
    padding: 0.3rem 0.35rem;
    white-space: pre-wrap;
  }

  .ai-page__nav-title {
    --btn-border-radius: 0.75rem;
    --btn-padding: 0.55rem 0.9rem;

    align-items: center;
    display: inline-flex;
    margin-inline-start: 0.15rem;
    max-inline-size: min(22rem, 48vw);
    min-block-size: var(--btn-size);

    @media (max-width: 67.4375rem) {
      max-inline-size: min(14rem, 48vw);
      min-block-size: 2.35rem;
    }
  }

  .ai-page__nav-title-text {
    font-size: calc(0.96rem * var(--user-font-scale, 1));
    font-weight: 700;
    line-height: 1.1;
    margin: 0;
  }

  .ai-page__chat-header {
    display: flex;
    justify-content: center;
    padding: calc(var(--safe-area-inset-top) + 0.9rem) 1rem 0.5rem;
  }

  .ai-page__chat-title {
    background: oklch(var(--lch-white) / 0.92);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    color: oklch(var(--lch-black));
    display: inline-flex;
    font-size: 1.05rem;
    font-weight: 700;
    max-inline-size: min(28rem, 100%);
    padding: 0.75rem 1rem;
    text-decoration: none;
  }

  .ai-page__main--chat #message-area,
  .ai-page__main--chat .message-area {
    flex: 1 1 auto;
    min-block-size: 0;
  }

  .ai-page__main--launcher {
    justify-content: flex-start;
    overflow-y: auto;
    padding: calc(var(--navbar-height) + 0.5rem) 1.5rem 1.5rem;
    -webkit-overflow-scrolling: touch;
  }

  .ai-page__launcher {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin: 0 auto;
    max-inline-size: 34rem;
    width: 100%;
  }

  .ai-page__launcher-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .ai-page__section-title {
    display: block;
    margin-bottom: 0.75rem;
  }

  .ai-page__avatar-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr));
  }

  .ai-page__avatar-tile {
    --avatar-size: 4.5rem;

    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: 1.25rem;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    min-block-size: 10rem;
    padding: 1rem 0.8rem;
    text-align: center;
    text-decoration: none;
    transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.15s ease;
  }

  .ai-page__avatar-tile-form {
    display: contents;
  }

  .ai-page__avatar-tile-button {
    font: inherit;
    width: 100%;
  }

  .ai-page__avatar-tile:hover {
    background: oklch(var(--lch-white) / 0.03);
    border-color: var(--hover-color);
    transform: translateY(-1px);
  }

  .ai-page__avatar-tile--add {
    background: oklch(var(--lch-white) / 0.02);
    border-style: dashed;
  }

  .ai-page__avatar-plus {
    align-items: center;
    border: 1px solid currentColor;
    border-radius: 999px;
    display: inline-flex;
    font-size: 2rem;
    height: 4.5rem;
    justify-content: center;
    line-height: 1;
    width: 4.5rem;
  }

  .ai-page__avatar-tile-copy {
    min-width: 0;
    width: 100%;
  }

  .ai-page__avatar-tile-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.2;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .ai-page__avatar-tile-meta {
    display: block;
    margin-top: 0.2rem;
  }

  @media (max-width: 67.4375rem) {
    #nav::before {
      display: none;
    }

    .ai-page__shell.ai-page__shell--rail-open .ai-page__rail-container {
      transform: translateX(0);
    }

    .ai-page__shell.ai-page__shell--rail-open .ai-page__rail-backdrop {
      background: oklch(var(--lch-always-black) / 0.45);
      display: block;
      inset: 0;
      position: absolute;
      z-index: 5;
    }
  }

  .ai-page__launcher-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .ai-page__launcher-action-form {
    display: flex;
  }

  .ai-page__launcher-action {
    gap: 0.5rem;
  }

  .ai-page__list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .ai-page__row {
    --avatar-size: 2.75rem;

    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: inherit;
    display: flex;
    gap: 0.9rem;
    justify-content: space-between;
    min-height: 4.5rem;
    padding: 0.75rem 1.25rem;
    text-decoration: none;
    transition: border-color 0.15s ease, background-color 0.15s ease;
  }

  .ai-page__row:hover {
    border-color: var(--hover-color);
    background: oklch(var(--lch-white) / 0.03);
  }

  .ai-page__row.room--current {
    border-color: var(--color-primary);
    background: oklch(var(--lch-white) / 0.04);
  }

  .ai-page__row-main {
    align-items: center;
    display: flex;
    gap: 0.9rem;
    min-width: 0;
  }

  .ai-page__row-copy {
    min-width: 0;
  }

  .ai-page__row-title {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .ai-page__row-meta {
    display: block;
    margin-top: 0.15rem;
  }

  .ai-page__row-action {
    flex-shrink: 0;
    padding-inline-end: 0.25rem;
    text-align: right;
  }
}

html[data-theme="default"] .ai-page .ai-page__rail {
  background-image: none;
}

@media (min-width: 67.5rem) {
  body.ai-page {
    --ai-rail-width: clamp(15rem, 20vw, 18rem);
    --ai-rail-collapsed-width: 2.2rem;
    --ai-rail-effective-width: var(--ai-rail-width);
  }

  body.ai-page.ai-rail-collapsed {
    --ai-rail-effective-width: var(--ai-rail-collapsed-width);
  }

  body.ai-page.ai-rail-right #nav {
    inset-inline-start: var(--sidebar-width);
    inset-inline-end: var(--ai-rail-effective-width);
  }

  body.ai-page.ai-rail-left #nav {
    inset-inline-start: var(--ai-rail-effective-width);
    inset-inline-end: var(--sidebar-width);
  }
}