/* Viewer homepage (local stream feed) */

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

.feed-page {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.feed-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.feed-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.feed-title {
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  line-height: 0.95;
  color: var(--ink);
}

.feed-subtitle {
  max-width: 36rem;
  font-size: 1rem;
  line-height: 1.55;
  color: rgba(16, 24, 32, 0.68);
}

.feed-toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.feed-search {
  width: 100%;
  border: 1px solid rgba(16, 24, 32, 0.14);
  background: rgba(255, 255, 255, 0.8);
  padding: 0.8rem 1rem;
  color: var(--ink);
  outline: none;
}

.feed-search:focus {
  border-color: var(--steel);
  box-shadow: 0 0 0 2px rgba(31, 75, 110, 0.18);
}

.feed-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feed-category {
  border: 1px solid rgba(16, 24, 32, 0.12);
  background: transparent;
  padding: 0.45rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(16, 24, 32, 0.65);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.feed-category:hover {
  border-color: var(--steel);
  color: var(--ink);
}

.feed-category.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.feed-grid {
  display: grid;
  gap: 1.25rem;
}

.stream-tile {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease;
}

.stream-tile:hover {
  transform: translateY(-2px);
}

.stream-thumb {
  position: relative;
  min-height: 11rem;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(16, 24, 32, 0.55), rgba(31, 75, 110, 0.35)),
    linear-gradient(160deg, #1a3348, #6d8fa3);
}

.stream-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 40%, rgba(16, 24, 32, 0.55) 100%);
}

.stream-live {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--signal);
  padding: 0.25rem 0.5rem;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
}

.stream-live-dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: #fff;
  animation: pulseDot 1.8s ease-in-out infinite;
}

.stream-meta {
  display: grid;
  gap: 0.35rem;
}

.stream-category {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.stream-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
}

.stream-byline {
  font-size: 0.875rem;
  color: rgba(16, 24, 32, 0.62);
}

.feed-empty {
  border: 1px dashed rgba(16, 24, 32, 0.2);
  padding: 2rem 1.25rem;
  text-align: center;
  color: rgba(16, 24, 32, 0.65);
}

.feed-note {
  margin-top: 2rem;
  font-size: 0.8rem;
  color: rgba(16, 24, 32, 0.5);
}

@media (min-width: 640px) {
  .feed-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .feed-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .feed-toolbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .feed-search {
    max-width: 22rem;
  }
}