@layer components {
  /* ---------- Prompt and compose input ---------- */

  .chat-prompt-box__form,
  .chat-compose {
    background: var(--color-surface, #fff);
    border: 2px solid var(--color-ink, #1a1a1a);
    border-radius: 12px;
    box-shadow: 3px 3px 0 rgba(14, 17, 17, 0.8);
    padding: 0.875rem 1rem 3rem;
    position: relative;
    transition: box-shadow 120ms ease;
  }

  .chat-prompt-box__form:focus-within,
  .chat-compose:focus-within {
    box-shadow: 5px 5px 0 rgba(14, 17, 17, 0.8);
  }

  .chat-prompt-box--locked .chat-prompt-box__form {
    opacity: 0.55;
    pointer-events: none;
  }

  .chat-prompt-box__input {
    appearance: none;
    background: transparent;
    border: 0;
    box-shadow: none;
    color: inherit;
    display: block;
    font: inherit;
    line-height: 1.4;
    margin: 0;
    min-height: 3.25rem;
    outline: none;
    padding: 0;
    resize: none;
    width: 100%;
  }

  .chat-prompt-box__submit {
    background: var(--color-primary, #d61f1f);
    border: 2px solid var(--color-ink, #1a1a1a);
    border-radius: 9px;
    bottom: 0.625rem;
    color: var(--ps-cream, #fff);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    height: auto;
    line-height: 1;
    min-height: 0;
    min-width: 0;
    padding: 0.45rem 1rem;
    position: absolute;
    right: 0.625rem;
    transition: filter 120ms ease, transform 120ms ease;
    width: auto;
  }

  .chat-prompt-box__submit:hover {
    filter: brightness(0.95);
  }

  .chat-prompt-box__submit:active {
    transform: translateY(1px);
  }

  .chat-prompt-box__suggestions {
    margin-block-start: 0.5rem;
  }

  .chat-prompt-box__suggestion-form {
    display: inline-flex;
    margin: 0;
  }

  .chat-prompt-box__suggestion {
    appearance: none;
    background: var(--color-shade, #f3f3f3);
    border: 1px solid var(--color-border, #d4d4d4);
    border-radius: 9999px;
    color: var(--color-ink, #1a1a1a);
    cursor: pointer;
    font: inherit;
    font-size: var(--text-small, 0.9rem);
    line-height: 1.2;
    max-width: 100%;
    overflow: hidden;
    padding: 0.5rem 1.05rem;
    text-overflow: ellipsis;
    transition: background 120ms ease, border-color 120ms ease, transform 120ms ease;
    white-space: nowrap;
  }

  .chat-prompt-box__suggestion:hover {
    background: var(--color-hover, #ebebeb);
    border-color: var(--color-ink, #1a1a1a);
  }

  .chat-prompt-box__suggestion:active {
    transform: translateY(1px);
  }

  /* ---------- Chat page inside the full window ---------- */

  .chat-page {
    align-items: stretch;
    display: flex;
    flex: 1 1 auto;
    gap: 0;
    min-height: 0;
    width: 100%;
  }

  .chat-page__main {
    display: flex;
    flex: 1 1 0;
    flex-direction: column;
    min-height: 0;
    min-width: 0;
  }

  .chat-page__main--centered {
    justify-content: center;
    overflow-y: auto;
    padding-block: 3rem;
    padding-inline: 1.25rem;
  }

  .chat-page__hero {
    margin-inline: auto;
    max-width: 48rem;
    width: 100%;
  }

  .chat-page__header {
    align-items: center;
    display: flex;
    flex: 0 0 auto;
    gap: 0.75rem;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
  }

  .chat-page__header--floating {
    background: transparent;
    padding: 0.75rem 1rem;
  }

  .chat-page__title {
    flex: 1 1 auto;
    font-size: var(--text-normal, 1rem);
    font-weight: 600;
    min-width: 0;
  }

  .chat-page__actions {
    margin-inline-start: auto;
  }

  .chat-page__scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding-block-end: 1.5rem;
  }

  .chat-page__compose {
    background: var(--color-canvas, #fff);
    bottom: 0;
    flex: 0 0 auto;
    padding: 0.75rem 0 1.25rem;
    position: sticky;
  }

  .chat-page__compose::before {
    background: linear-gradient(to top, var(--color-canvas, #fff) 0%, transparent 100%);
    block-size: 2rem;
    content: "";
    inset-block-end: 100%;
    inset-inline: 0;
    pointer-events: none;
    position: absolute;
  }

  .chat-page__usage {
    align-items: center;
    background: var(--color-shade, #f3f3f3);
    border-radius: 9999px;
    display: inline-flex;
    flex: 0 0 auto;
    gap: 0.35rem;
    padding: 0.25rem 0.6rem;
    white-space: nowrap;
  }

  /* ---------- Sharing popover ---------- */

  .chat-share {
    position: relative;
  }

  .chat-share__trigger {
    list-style: none;
  }

  .chat-share__trigger::-webkit-details-marker {
    display: none;
  }

  .chat-share__panel {
    inset-block-start: calc(100% + 0.5rem);
    inset-inline-end: 0;
    position: absolute;
    width: min(22rem, 85vw);
    z-index: 5;
  }

  /* ---------- Sidebar and drawer ---------- */

  .chat-page__sidebar {
    flex: 0 0 16rem;
    height: 100%;
    position: relative;
  }

  .chat-page__sidebar-backdrop,
  .chat-page__sidebar-close,
  .chat-page__menu {
    display: none;
  }

  .chat-sidebar {
    background: var(--color-shade, #f6f6f6);
    border-right: 1px solid var(--color-border, #d4d4d4);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    height: 100%;
    overflow-y: auto;
    padding: 1rem 0.75rem;
  }

  .chat-sidebar__nav {
    margin-block-end: 0.25rem;
  }

  .chat-sidebar__item--with-icon {
    align-items: center;
    display: flex;
    gap: 0.55rem;
  }

  .chat-sidebar__nav-icon {
    color: var(--color-ink-medium, #6b6b6b);
    display: inline-flex;
    flex: 0 0 auto;
    justify-content: center;
    width: 1.1rem;
  }

  .chat-sidebar__section-label {
    color: var(--color-ink-medium, #6b6b6b);
    font-family: var(--font-mono, monospace);
    font-size: var(--text-x-small, 0.75rem);
    font-weight: 600;
    letter-spacing: 0.08em;
    margin: 0;
    padding-inline: 0.5rem;
    text-transform: uppercase;
  }

  .chat-sidebar__items {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin: 0;
    padding: 0;
  }

  .chat-sidebar__item-row {
    align-items: center;
    border-radius: 0.4rem;
    display: flex;
    gap: 0.25rem;
    padding: 0.2rem 0.1rem 0.2rem 0.5rem;
    position: relative;
    transition: background 120ms ease;
  }

  .chat-sidebar__item-row:hover {
    background: oklch(var(--lch-ink-darkest) / 4%);
  }

  .chat-sidebar__item-row.is-current {
    background: oklch(var(--lch-ink-darkest) / 8%);
  }

  .chat-sidebar__item {
    color: inherit;
    display: block;
    flex: 1 1 auto;
    font-size: var(--text-small, 0.9rem);
    line-height: 1.3;
    padding: 0.25rem 0;
    text-decoration: none;
  }

  .chat-sidebar__item-row.is-current .chat-sidebar__item {
    font-weight: 600;
  }

  .chat-sidebar__item-main {
    flex: 1 1 auto;
    min-width: 0;
  }

  .chat-sidebar__item-main .chat-sidebar__item {
    padding-block-end: 0;
  }

  .chat-sidebar__item-meta {
    padding-block-end: 0.25rem;
  }

  .chat-sidebar__pin-form {
    display: inline-flex;
    margin: 0;
  }

  .chat-sidebar__pin {
    appearance: none;
    background: transparent;
    border: 0;
    border-radius: 0.3rem;
    color: var(--color-ink-medium, #6b6b6b);
    cursor: pointer;
    font-size: 0.95rem;
    line-height: 1;
    opacity: 0;
    padding: 0.3rem 0.4rem;
    transition: background 120ms ease, opacity 120ms ease, color 120ms ease;
  }

  .chat-sidebar__item-row:hover .chat-sidebar__pin,
  .chat-sidebar__pin:focus-visible,
  .chat-sidebar__pin--active {
    opacity: 1;
  }

  .chat-sidebar__pin:hover {
    background: oklch(var(--lch-ink-darkest) / 5%);
    color: var(--color-ink, #1a1a1a);
  }

  .chat-sidebar__pin--active {
    color: var(--color-primary, #d61f1f);
  }

  .chat-sidebar__all {
    color: var(--color-ink-medium, #6b6b6b);
    display: inline-block;
    margin-block-start: auto;
    padding-block-start: 0.5rem;
    padding-inline: 0.5rem;
    text-decoration: none;
  }

  .chat-sidebar__all:hover {
    text-decoration: underline;
  }

  @media (max-width: 49.999rem) {
    .chat-page__sidebar {
      box-shadow: 6px 0 0 rgba(6, 20, 11, 0.5);
      flex-basis: auto;
      inset-block: 0;
      inset-inline-start: 0;
      padding-block-start: 1rem;
      position: fixed;
      transform: translateX(-100%);
      transition: transform 220ms ease;
      width: min(82vw, 22rem);
      z-index: 30;
    }

    .chat-page--sidebar-open .chat-page__sidebar {
      transform: translateX(0);
    }

    .chat-page__sidebar-backdrop {
      background: rgba(6, 20, 11, 0.45);
      display: block;
      inset: 0;
      opacity: 0;
      pointer-events: none;
      position: fixed;
      transition: opacity 220ms ease;
      z-index: 20;
    }

    .chat-page--sidebar-open .chat-page__sidebar-backdrop {
      opacity: 1;
      pointer-events: auto;
    }

    .chat-page__menu {
      align-items: center;
      appearance: none;
      background: transparent;
      border: 0;
      border-radius: 0.4rem;
      color: var(--color-ink, #1a1a1a);
      cursor: pointer;
      display: inline-flex;
      flex: 0 0 auto;
      font-size: 1.25rem;
      height: 2rem;
      justify-content: center;
      line-height: 1;
      padding: 0;
      width: 2rem;
    }

    .chat-page__menu:hover {
      background: oklch(var(--lch-ink-darkest) / 5%);
    }

    .chat-page__sidebar-close {
      align-items: center;
      background: transparent;
      border: 0;
      border-radius: 9999px;
      color: var(--color-ink, #1a1a1a);
      cursor: pointer;
      display: inline-flex;
      font-size: 1.4rem;
      height: 2rem;
      inset-block-start: 0.5rem;
      inset-inline-end: 0.5rem;
      justify-content: center;
      line-height: 1;
      position: absolute;
      width: 2rem;
      z-index: 1;
    }

    .chat-page__sidebar-close:hover {
      background: oklch(var(--lch-ink-darkest) / 6%);
    }

    .chat-page__header {
      padding: 0.75rem 1rem;
    }

    .chat-page__compose {
      padding: 0.5rem 0.75rem 0.75rem;
    }

    .chat-message__bubble--user {
      max-width: 88%;
    }
  }

  /* ---------- Messages ---------- */

  .chat-message {
    display: flex;
    width: 100%;
  }

  .chat-message--user {
    justify-content: flex-end;
  }

  .chat-message--assistant {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .chat-message--system {
    justify-content: center;
  }

  .chat-message--enter {
    animation: chat-message-stream-in 360ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
  }

  .chat-message--enter.chat-message--assistant .chat-message__bubble {
    animation: chat-bubble-reveal 600ms ease-out both;
  }

  @keyframes chat-message-stream-in {
    from {
      opacity: 0;
      transform: translateY(10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes chat-bubble-reveal {
    0%   { filter: blur(4px); opacity: 0.4; }
    60%  { filter: blur(0);   opacity: 1; }
    100% { filter: blur(0);   opacity: 1; }
  }

  .chat-message__bubble {
    border-radius: 12px;
    line-height: 1.45;
    padding: 0.65rem 1rem;
    word-wrap: break-word;
  }

  .chat-message__bubble--user {
    background: var(--color-ink, #1a1a1a);
    border-bottom-right-radius: 3px;
    color: var(--ps-cream, #fff);
    max-width: 75%;
  }

  .chat-message__bubble--assistant {
    background: transparent;
    color: inherit;
    max-width: 100%;
    padding-inline: 0;
  }

  .chat-message__bubble--error {
    background: var(--color-shade, #f3f3f3);
    border: 1px solid var(--color-negative, #c0392b);
    color: var(--color-negative, #c0392b);
    max-width: 100%;
  }

  .chat-message__bubble--system {
    background: var(--color-shade, #f3f3f3);
    color: var(--color-ink-medium, #555);
    font-size: var(--text-small, 0.85rem);
    max-width: 100%;
  }

  .chat-message__markdown :where(p) {
    margin-block: 0.5em;
  }

  .chat-message__markdown :where(p):first-child {
    margin-block-start: 0;
  }

  .chat-message__markdown :where(p):last-child {
    margin-block-end: 0;
  }

  .chat-message__markdown :where(ul, ol) {
    margin-block: 0.5em;
    padding-inline-start: 1.5em;
  }

  .chat-message__markdown :where(li) {
    margin-block: 0.15em;
  }

  .chat-message__markdown :where(a) {
    color: var(--color-link, #d61f1f);
    text-decoration: underline;
    text-underline-offset: 2px;
  }

  .chat-message__markdown :where(a:hover) {
    text-decoration-thickness: 2px;
  }

  .chat-message__markdown :where(table) {
    border-collapse: collapse;
    margin-block: 0.75em;
    width: 100%;
  }

  .chat-message__markdown :where(th, td) {
    border: 1px solid var(--color-border, #d4d4d4);
    padding: 0.4rem 0.65rem;
    text-align: left;
  }

  .chat-message__markdown :where(th) {
    background: var(--color-shade, #f6f6f6);
    font-weight: 600;
  }

  .chat-message__markdown :where(code) {
    background: var(--color-shade, #f3f3f3);
    border-radius: 0.25rem;
    font-family: var(--font-mono, monospace);
    font-size: 0.9em;
    padding: 0.05em 0.3em;
  }

  .chat-message__markdown :where(pre) {
    background: var(--color-shade, #f3f3f3);
    border-radius: 0.5rem;
    overflow-x: auto;
    padding: 0.75rem 1rem;
  }

  .chat-message__tools {
    margin-block-start: 0.75rem;
  }

  .chat-message__tools summary {
    cursor: pointer;
  }

  .chat-message__meta {
    margin-block-start: 0.5rem;
    opacity: 0.7;
  }

  .chat-message__widgets {
    display: flex;
    flex-basis: 100%;
    flex-wrap: wrap;
    gap: 1rem;
    margin-block-start: 0.75rem;
  }

  .chat-widget-card {
    flex: 1 1 20rem;
    max-width: 100%;
  }

  .chat-widget-card__header {
    align-items: baseline;
    border-block-end: 1px solid var(--color-border, #d4d4d4);
    display: flex;
    gap: 0.5rem;
    justify-content: space-between;
    padding: 0.6rem 0.9rem;
  }

  .chat-widget-card__title {
    color: inherit;
    font-weight: 600;
    text-decoration: none;
  }

  a.chat-widget-card__title:hover {
    text-decoration: underline;
  }

  /* ---------- Typing indicator ---------- */

  .chat-typing .chat-message__bubble {
    padding-inline: 0.25rem;
  }

  .chat-typing__dots {
    align-items: center;
    display: inline-flex;
    gap: 0.25rem;
  }

  .chat-typing__dot {
    animation: chat-typing-bounce 1.2s infinite ease-in-out;
    background: var(--color-ink-medium, #6b6b6b);
    border-radius: 9999px;
    height: 0.45rem;
    opacity: 0.4;
    width: 0.45rem;
  }

  .chat-typing__dot:nth-child(2) {
    animation-delay: 0.15s;
  }

  .chat-typing__dot:nth-child(3) {
    animation-delay: 0.3s;
  }

  @keyframes chat-typing-bounce {
    0%, 60%, 100% { transform: translateY(0);     opacity: 0.4; }
    30%           { transform: translateY(-3px);  opacity: 1; }
  }

  /* ---------- Create dashboard ---------- */

  .chat-create-dashboard {
    display: flex;
    justify-content: flex-end;
  }

  .chat-create-dashboard:has(.btn) {
    margin-block-end: 0.5rem;
  }

  /* ---------- Settings ---------- */

  .chat-settings {
    padding-block: 0.5rem 1.5rem;
  }

  .chat-settings__card:hover {
    border-color: var(--color-ink, #1a1a1a);
  }

  .chat-settings__stats {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: 1fr 1fr;
    margin: 0;
    margin-block-start: auto;
    padding-block-start: 0.6rem;
  }

  @media (prefers-reduced-motion: reduce) {
    .chat-message--enter,
    .chat-message--enter.chat-message--assistant .chat-message__bubble,
    .chat-typing__dot {
      animation: none;
    }

    .chat-page__sidebar,
    .chat-page__sidebar-backdrop {
      transition: none;
    }
  }
}

/* ---------- Primitive override: the chat row never wraps ---------- */

.chat-page.with-sidebar {
  flex-wrap: nowrap;
}