/* Components: tab bar, cards, buttons, chat shell, login. */

/* ---- Bottom tab bar ---------------------------------------------- */
.tabbar {
  position: fixed;
  inset: auto 0 0 0;
  display: flex;
  justify-content: space-around;
  padding: 0.4rem 0 calc(env(safe-area-inset-bottom) + 0.4rem);
  background: var(--tabbar-bg);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border-top: 1px solid var(--color-border);
  z-index: 10;
}

.tabbar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 72px;
  min-height: 44px;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-control);
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  transition: transform 100ms ease-out;
}

.tabbar a:active {
  transform: scale(0.95);
}

.tabbar a.active {
  color: var(--color-primary-strong);
}

.tabbar svg {
  width: 26px;
  height: 26px;
}

@media (prefers-reduced-transparency: reduce) {
  .tabbar {
    background: var(--color-bg);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

/* ---- Greeting ---------------------------------------------------- */
.greeting {
  font-size: 1.45rem;
  margin: 0.5rem 0 1.4rem;
}

/* ---- Story cards -------------------------------------------------- */
.story-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 1.15rem 1.15rem 0.9rem;
  margin-bottom: 1.1rem;
}

.story-topic {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary-strong);
}

.story-topic.explore {
  color: var(--color-secondary);
}

.story-card h2 {
  font-size: 1.25rem;
  margin: 0.35rem 0 0.6rem;
}

.story-body p {
  font-size: 0.98rem;
}

.story-closing {
  font-size: 0.98rem;
  color: var(--color-text-muted);
}

.story-source {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0.4rem 0 0.7rem;
}

.story-actions {
  display: flex;
  gap: 0.6rem;
  border-top: 1px solid var(--color-border);
  padding-top: 0.55rem;
  margin: 0 -0.35rem;
}

/* ---- Buttons ------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-control);
  border: none;
  font-weight: 600;
  text-decoration: none;
  transition: transform 100ms ease-out;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-primary-strong);
  color: #fff;
  width: 100%;
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary-strong);
  font-size: 0.9rem;
}

.btn-ghost svg {
  width: 20px;
  height: 20px;
}

.btn-ghost.bookmarked svg {
  fill: var(--color-primary-strong);
}

/* ---- Login / locked screen --------------------------------------- */
.lock-screen {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
}

.lock-screen h1 {
  font-size: 2.1rem;
  margin-bottom: 0.35rem;
}

.lock-screen form {
  width: 100%;
  max-width: 20rem;
  margin-top: 1.6rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: left;
  margin-bottom: 1rem;
}

.field label {
  font-size: 0.85rem;
  font-weight: 600;
}

.field input {
  font: inherit;
  min-height: 44px;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text);
}

.form-error {
  color: var(--color-danger);
  font-size: 0.9rem;
  margin-top: 0.75rem;
}

/* ---- Empty states ------------------------------------------------- */
.empty-state {
  background: var(--color-surface-soft);
  border-radius: var(--radius-card);
  padding: 1.6rem 1.3rem;
  text-align: center;
  color: var(--color-text-muted);
}

.empty-state .serif {
  color: var(--color-text);
  font-size: 1.15rem;
  display: block;
  margin-bottom: 0.4rem;
}

/* ---- Ask Anna ------------------------------------------------------ */
.section-title {
  font-size: 1.05rem;
  margin: 1.4rem 0 0.7rem;
  color: var(--color-text-muted);
}

.slots-warning {
  background: var(--color-accent-soft);
  border-radius: var(--radius-control);
  padding: 0.6rem 0.9rem;
  font-size: 0.9rem;
  color: var(--color-text);
}

.new-chat-form textarea,
.composer textarea {
  font: inherit;
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text);
  resize: vertical;
}

.new-chat-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.chat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.8rem;
  padding: 0.85rem 1rem;
  margin-bottom: 0.55rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  text-decoration: none;
  color: var(--color-text);
  min-height: 44px;
  transition: transform 100ms ease-out;
}

.chat-row:active {
  transform: scale(0.98);
}

.chat-row-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-row-meta {
  flex-shrink: 0;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.chat-header {
  display: flex;
  justify-content: space-between;
  margin: -0.5rem -0.35rem 0.8rem;
}

.btn-danger {
  color: var(--color-danger);
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.bubble {
  max-width: 88%;
  padding: 0.7rem 0.95rem;
  border-radius: var(--radius-card);
  font-size: 0.98rem;
}

.bubble p {
  margin: 0 0 0.6em;
}

.bubble p:last-child {
  margin-bottom: 0;
}

.bubble-user {
  align-self: flex-end;
  background: var(--color-primary-muted);
  border-bottom-right-radius: 6px;
}

.bubble-assistant {
  align-self: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: 6px;
}

.bubble-notice {
  align-self: center;
  background: var(--color-accent-soft);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: center;
}

.bubble-sources {
  font-size: 0.8rem;
  overflow-wrap: anywhere;
}

.composer {
  position: sticky;
  bottom: calc(env(safe-area-inset-bottom) + 4.6rem);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: var(--color-bg);
  padding-top: 0.4rem;
}

.composer-row {
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
}

.composer textarea {
  flex: 1;
}

.reference-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  background: var(--color-accent-soft);
  border-radius: var(--radius-control);
  padding: 0.4rem 0.7rem;
  color: var(--color-text-muted);
}

.reference-chip strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text);
}

.reference-chip a {
  margin-left: auto;
  min-width: 32px;
  text-align: center;
  text-decoration: none;
  font-size: 1.1rem;
}

.composer-send {
  width: auto;
  flex-shrink: 0;
}

/* While an htmx request is in flight, show the thinking state. */
.thinking-label {
  display: none;
}

.btn-primary.htmx-request {
  pointer-events: none;
  opacity: 0.75;
}

.htmx-request .send-label,
.htmx-request.send-label {
  display: none;
}

.htmx-request .thinking-label,
.htmx-request.thinking-label {
  display: inline;
}

/* ---- Bookmarks ---------------------------------------------------- */
.bookmark-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1rem 1.1rem;
  margin-bottom: 0.9rem;
}

.bookmark-card h2 {
  font-size: 1.05rem;
  margin: 0.25rem 0 0.45rem;
}

.bookmark-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.bookmark-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
}