/* board-view.css — the entry screen: pick a board, pick a thread. */

.board-view__inner {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) var(--space-xl);
}

.board-view__header {
  margin-bottom: var(--space-lg);
}

.board-view__board-title {
  font-size: var(--fs-brand);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--color-text);
  margin: 0;
}

/* ---- Board picker form ---- */

.board-form {
  margin-bottom: var(--space-lg);
  position: relative;
}

.board-form__label {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.board-form__row {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-xs);
  gap: 2px;
}

.board-form__prefix {
  color: var(--color-text-muted);
  font-size: 1.2rem;
}

.board-form__input {
  flex: 1;
  font-size: 1.2rem;
  padding: 2px 4px;
}

.board-form__submit {
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  letter-spacing: 0.03em;
  color: var(--color-text);
  padding: var(--space-2xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  transition: border-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.board-form__submit:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---- Board autocomplete dropdown ---- */

.board-suggestions {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  z-index: 10;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  box-shadow: 0 12px 28px -14px rgba(27, 26, 24, 0.18);
  max-height: 340px;
  overflow-y: auto;
  padding: var(--space-2xs) 0;

  /* Closed state: invisible, slightly lower and hidden from interaction.
     Opening slides the panel up into its resting position while it fades in. */
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity var(--duration-medium) var(--ease-camera),
    transform var(--duration-medium) var(--ease-camera);
}

.board-suggestions.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.board-suggestions__category {
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: var(--space-xs) var(--space-sm) var(--space-2xs);
}

.board-suggestions__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  width: 100%;
  text-align: left;
  padding: var(--space-2xs) var(--space-sm);
  font-family: var(--font-sans);
  transition: background var(--duration-fast) ease;
}

.board-suggestions__item:hover,
.board-suggestions__item.is-active {
  background: var(--color-bg);
}

.board-suggestions__code {
  font-size: 0.9rem;
  color: var(--color-text);
  flex-shrink: 0;
}

.board-suggestions__title {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- Thread list ---- */

.thread-list-viewport {
  position: relative;
}

.thread-list {
  display: flex;
  flex-direction: column;
}

/* A soft top/bottom fade, echoing the reply stream's camera-focus feel,
   so the list doesn't cut off abruptly against the header/viewport edge. */
.edge-blur {
  position: fixed;
  left: 0;
  right: 0;
  height: 64px;
  pointer-events: none;
  z-index: 5;
}

.edge-blur--top {
  top: 0;
  background: linear-gradient(to bottom, var(--color-bg), transparent);
}

.edge-blur--bottom {
  bottom: 0;
  background: linear-gradient(to top, var(--color-bg), transparent);
}

.thread-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: var(--space-2xs);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  width: 100%;
  transition: opacity var(--duration-fast) ease;
}

.thread-row:hover {
  opacity: 0.6;
}

.thread-row__subject {
  font-size: 1.15rem;
  font-weight: 500;
}

.thread-row__meta {
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.thread-row__snippet {
  font-size: 0.95rem;
  color: var(--color-text-soft);
  line-height: 1.5;
}

.loading,
.error,
.empty {
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  color: var(--color-text-muted);
  padding: var(--space-md) 0;
}

.error {
  color: #a9564a;
}