/* Curated AI Feed — card grid, category chips, read state, responsive */

/* ==========================================================================
   Shared card accent — #DDF222 at very low opacity for a warm tint
   ========================================================================== */

:root {
  --feed-accent: #DDF222;
  --feed-card-bg: transparent;
  --feed-card-bg-hover: rgba(0, 0, 0, 0.02);
  --feed-card-border: rgba(0, 0, 0, 0.08);
  --feed-card-border-hover: rgba(0, 0, 0, 0.15);
  --feed-accent-bar: rgba(221, 242, 34, 0.7);
}

[data-md-color-scheme="slate"] {
  --feed-card-bg: transparent;
  --feed-card-bg-hover: rgba(255, 255, 255, 0.03);
  --feed-card-border: rgba(255, 255, 255, 0.08);
  --feed-card-border-hover: rgba(255, 255, 255, 0.15);
  --feed-accent-bar: rgba(221, 242, 34, 0.6);
}

/* ==========================================================================
   Homepage teaser — flat grid of recent items
   ========================================================================== */

.feed-teaser__row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75em;
  margin-bottom: 0.5em;
}

.feed-teaser__card {
  display: flex;
  flex-direction: column;
  gap: 0.3em;
  padding: 0.7em 0.85em;
  padding-left: calc(0.85em + 3px);
  background: var(--feed-card-bg);
  border: 1px solid var(--feed-card-border);
  border-left: 3px solid var(--feed-accent-bar);
  border-radius: 6px;
  text-decoration: none !important;
  color: var(--md-default-fg-color) !important;
  transition: background-color 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.feed-teaser__card:hover {
  background: var(--feed-card-bg-hover);
  border-color: var(--feed-card-border-hover);
  border-left-color: var(--feed-accent);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

[data-md-color-scheme="slate"] .feed-teaser__card:hover {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.feed-teaser__meta {
  font-size: 0.72em;
  opacity: 0.5;
  line-height: 1.3;
}

.feed-teaser__title {
  font-weight: 600;
  font-size: 0.88em;
  line-height: 1.35;
}

.feed-teaser__category {
  display: inline-block;
  font-size: 0.68em;
  padding: 0.15em 0.55em;
  border-radius: 1em;
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--md-default-fg-color);
  opacity: 0.7;
  align-self: flex-start;
}

[data-md-color-scheme="slate"] .feed-teaser__category {
  background-color: rgba(255, 255, 255, 0.08);
}

@media (max-width: 600px) {
  .feed-teaser__row {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Feed page — full card grid
   ========================================================================== */

/* Meta line */
.feed-meta {
  opacity: 0.6;
  font-size: 0.85em;
  margin: 0.5em 0 1em;
}

/* Category chip bar */
.feed-chip-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  margin: 1em 0;
}

.feed-chip {
  display: inline-block;
  padding: 0.35em 0.9em;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 2em;
  background: transparent;
  color: var(--md-default-fg-color);
  font-size: 0.85em;
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s;
}

.feed-chip:hover {
  background-color: rgba(0, 0, 0, 0.06);
}

.feed-chip--active {
  background-color: var(--md-primary-fg-color);
  color: #ffffff;
  border-color: var(--md-primary-fg-color);
}

.feed-chip--active:hover {
  background-color: var(--md-primary-fg-color--light);
}

/* Dark mode chips */
[data-md-color-scheme="slate"] .feed-chip {
  border-color: rgba(255, 255, 255, 0.2);
}

[data-md-color-scheme="slate"] .feed-chip:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

[data-md-color-scheme="slate"] .feed-chip--active {
  background-color: #e0e0e0;
  color: #1e1e1e;
  border-color: #e0e0e0;
}

[data-md-color-scheme="slate"] .feed-chip--active:hover {
  background-color: #ffffff;
  border-color: #ffffff;
}

/* Card grid */
.feed-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75em;
}

/* Individual card */
.feed-card {
  display: flex;
  flex-direction: column;
  gap: 0.3em;
  padding: 0.7em 0.85em;
  padding-left: calc(0.85em + 3px);
  background: var(--feed-card-bg);
  border: 1px solid var(--feed-card-border);
  border-left: 3px solid var(--feed-accent-bar);
  border-radius: 6px;
  text-decoration: none !important;
  color: var(--md-default-fg-color) !important;
  transition: background-color 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.feed-card:hover {
  background: var(--feed-card-bg-hover);
  border-color: var(--feed-card-border-hover);
  border-left-color: var(--feed-accent);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

[data-md-color-scheme="slate"] .feed-card:hover {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

/* Read state */
.feed-card--read {
  opacity: 0.5;
}

.feed-card--read:hover {
  opacity: 0.8;
}

/* Card header (source + time) */
.feed-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72em;
  opacity: 0.5;
  line-height: 1.3;
}

.feed-card__source {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 70%;
}

.feed-card__time {
  white-space: nowrap;
  flex-shrink: 0;
}

/* Card title */
.feed-card__title {
  font-weight: 600;
  font-size: 0.88em;
  line-height: 1.35;
}

/* Category tag on card */
.feed-card__category {
  display: inline-block;
  font-size: 0.75em;
  padding: 0.2em 0.6em;
  border-radius: 1em;
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--md-default-fg-color);
  opacity: 0.7;
  align-self: flex-start;
}

[data-md-color-scheme="slate"] .feed-card__category {
  background-color: rgba(255, 255, 255, 0.08);
}

/* Loading / empty states */
.feed-loading,
.feed-empty {
  text-align: center;
  opacity: 0.6;
  padding: 2em 0;
  font-size: 0.95em;
}

/* Mobile: single column */
@media (max-width: 600px) {
  .feed-cards {
    grid-template-columns: 1fr;
  }

  .feed-chip-bar {
    gap: 0.35em;
  }

  .feed-chip {
    font-size: 0.8em;
    padding: 0.3em 0.7em;
  }
}