/* Feed-specific navigation, conversation, and source disclosure. */
.feed-nav {
  display: none;
}
.feed-picker {
  display: grid;
  gap: var(--keli-space-2);
  margin-block-end: var(--keli-space-6);
  font-size: var(--keli-text-metadata);
}
.feed-picker > div {
  display: flex;
  flex-wrap: wrap;
  min-inline-size: 0;
  gap: var(--keli-space-2);
}
.feed-picker select {
  min-inline-size: 0;
  inline-size: 0;
  flex: 1 1 12ch;
  font-size: var(--keli-text-body);
}
@media (min-width: 43.8125em) {
  .feed-nav {
    display: block;
    padding-block: var(--keli-space-6);
  }
  .feed-picker {
    display: none;
  }
}
.feed-heading {
  display: flex;
  align-items: center;
  gap: var(--keli-space-5);
  margin-block-end: var(--keli-space-6);
}
.feed-count {
  flex: none;
  inline-size: 0.88em;
  padding-block: 0.1em;
  border-inline-end: var(--keli-border-width) dotted var(--keli-text-secondary);
  overflow: hidden;
  white-space: nowrap;
  font-size: var(--keli-text-count);
  line-height: 1.05;
  letter-spacing: -0.06em;
}
.feed-heading__text {
  min-inline-size: 0;
}
.feed-heading h1 {
  color: var(--keli-text);
  font-size: var(--keli-text-heading);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.025em;
}
.feed-heading .supporting {
  margin-block-start: var(--keli-space-2);
}
.notice {
  color: var(--keli-text-secondary);
  font-size: var(--keli-text-metadata);
  margin-block-end: var(--keli-space-6);
  padding-block-end: var(--keli-space-6);
  border-block-end: var(--keli-border-width) dotted var(--keli-border);
}

/* Conversation: continuous text, square identities, secondary source shelves. */
.feed-turns {
  display: grid;
  gap: var(--keli-space-8);
  padding: 0;
  list-style: none;
}
.turn {
  display: grid;
  grid-template-columns: var(--keli-avatar-compact) minmax(0, 1fr);
  column-gap: var(--keli-space-3);
}
.avatar {
  display: grid;
  place-items: center;
  align-self: start;
  inline-size: var(--keli-avatar-compact);
  aspect-ratio: 1;
  background: var(--keli-chrome);
  color: var(--keli-on-chrome);
  font-size: var(--keli-text-body);
  line-height: 1;
}
.avatar img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}
.turn__body {
  min-inline-size: 0;
}
.turn__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--keli-space-1) var(--keli-space-3);
  margin-block-end: var(--keli-space-1);
}
.sender {
  min-inline-size: 0;
  color: var(--keli-text);
  font-size: var(--keli-text-body);
  font-weight: 600;
  line-height: 1.3;
}
.turn__time {
  color: var(--keli-text-secondary);
  font-size: var(--keli-text-metadata);
  font-variant-numeric: tabular-nums;
}
.reply {
  color: var(--keli-text-secondary);
  font-size: var(--keli-text-metadata);
  padding-inline-start: var(--keli-space-2);
  border-inline-start: var(--keli-border-width) solid var(--keli-border);
  margin-block-end: var(--keli-space-2);
}
.reply a {
  display: inline-block;
  padding-block: var(--keli-space-2);
  min-block-size: var(--keli-target);
}
.turn__summary {
  color: var(--keli-text);
  font-size: var(--keli-text-summary);
  line-height: var(--keli-leading-summary);
  max-inline-size: var(--keli-measure);
  white-space: pre-wrap;
}
.turn__summary--unavailable {
  color: var(--keli-text-secondary);
}
@media (min-width: 43.8125em) {
  .turn {
    grid-template-columns: var(--keli-avatar) minmax(0, 1fr);
  }
  .avatar {
    inline-size: var(--keli-avatar);
  }
}

/* Source shelf. Each content surface explicitly owns its paired foreground. */
.shelf {
  grid-column: 1 / -1;
  min-inline-size: 0;
  margin-block-start: var(--keli-space-3);
  background: var(--keli-surface);
  color: var(--keli-text);
}
.shelf__handle {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  min-block-size: var(--keli-target);
  gap: var(--keli-space-3);
  background: var(--keli-surface-subtle);
  color: var(--keli-text-secondary);
  list-style: none;
  font-size: var(--keli-text-metadata);
}
.shelf__handle::-webkit-details-marker {
  display: none;
}
.shelf__label {
  padding: var(--keli-space-3);
}
.shelf__end {
  position: relative;
  display: grid;
  place-items: center;
  flex: none;
  inline-size: var(--keli-target);
  background: var(--keli-chrome);
  color: var(--keli-on-chrome);
}
.shelf__end::before {
  content: '';
  position: absolute;
  inset-inline-start: calc(-1 * var(--keli-notch-depth));
  inset-block-start: 50%;
  transform: translateY(-50%);
  inline-size: var(--keli-notch-depth);
  block-size: var(--keli-notch-height);
  background: var(--keli-chrome);
  clip-path: polygon(100% 0, 100% 100%, 0 50%);
}
.shelf__chevron {
  inline-size: var(--keli-icon);
  block-size: var(--keli-icon);
  transition: rotate var(--keli-duration-disclosure) ease;
}
.shelf[open] .shelf__chevron {
  rotate: 180deg;
}
.shelf__content,
.shelf__panels,
.shelf__panel {
  min-inline-size: 0;
  background: var(--keli-surface);
  color: var(--keli-text);
}
.shelf__content {
  border-inline: var(--keli-border-width) solid var(--keli-border);
  border-block-end: var(--keli-border-width) solid var(--keli-border);
}
.shelf__panel {
  padding: var(--keli-space-4);
}
.shelf__panel h3 {
  font-size: var(--keli-text-source);
  margin-block-end: var(--keli-space-2);
}
.shelf__panel h4 {
  font-size: var(--keli-text-metadata);
  margin-block: var(--keli-space-4) var(--keli-space-2);
}
.shelf__content[data-tabs='true'] {
  display: grid;
  grid-template-columns: min(35%, var(--keli-tab-rail-compact)) minmax(0, 1fr);
}
.shelf__tabs:not([hidden]) {
  display: flex;
  flex-direction: column;
  align-self: stretch;
  padding: 0;
  background: var(--keli-surface-subtle);
  color: var(--keli-text-secondary);
}
.shelf__tab {
  position: relative;
  padding: var(--keli-space-3) var(--keli-space-2);
  border: 0;
  background: var(--keli-surface-subtle);
  color: var(--keli-text-secondary);
  font-size: var(--keli-text-metadata);
  text-align: start;
  overflow-wrap: anywhere;
}
.shelf__tab[aria-selected='true'] {
  background: var(--keli-chrome);
  color: var(--keli-on-chrome);
}
.shelf__tab[aria-selected='true']::after {
  content: '';
  position: absolute;
  inset-inline-end: calc(-1 * var(--keli-notch-depth));
  inset-block-start: 50%;
  transform: translateY(-50%);
  inline-size: var(--keli-notch-depth);
  block-size: var(--keli-notch-height);
  background: var(--keli-chrome);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  z-index: 1;
}
.source-text {
  background: var(--keli-surface);
  color: var(--keli-text);
  font-size: var(--keli-text-source);
  line-height: var(--keli-leading-source);
  max-inline-size: var(--keli-source-measure);
  white-space: pre-wrap;
}
.metadata {
  display: grid;
  gap: var(--keli-space-3);
  font-size: var(--keli-text-source);
}
.metadata dt {
  color: var(--keli-text-secondary);
  font-size: var(--keli-text-metadata);
}
.metadata dd {
  color: var(--keli-text);
}
.raw {
  background: var(--keli-surface);
  color: var(--keli-text);
  font: var(--keli-text-metadata) / var(--keli-leading-source) var(--keli-font-mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-inline-size: 100%;
}
@media (min-width: 43.8125em) {
  .shelf {
    grid-column: 2;
  }
  .shelf__content[data-tabs='true'] {
    grid-template-columns: min(35%, var(--keli-tab-rail)) minmax(0, 1fr);
  }
}

/* Complete snapshot and truthful empty/error states */
.feed-data {
  margin-block-start: var(--keli-space-8);
  background: var(--keli-surface);
  color: var(--keli-text);
}
.feed-data > summary {
  padding-block: var(--keli-space-3);
  min-block-size: var(--keli-target);
  color: var(--keli-text-secondary);
  font-size: var(--keli-text-metadata);
}
@media (forced-colors: active) {
  .shelf__tab[aria-selected='true'] {
    outline: var(--keli-border-width) solid CanvasText;
  }
  .shelf__end {
    border: var(--keli-border-width) solid ButtonText;
  }
}