/* DeSci Feed page — Twitter + news reader.
   Reuses design tokens from style.css. */

@keyframes fadeUp { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }

/* ── Page shell ───────────────────────────────────────────────── */
.feed-page {
  display: flex;
  height: 100vh;
  max-width: 1100px;
  margin: 0 auto;
  overflow: hidden;
}

/* ── Left rail (back nav + brand) ─────────────────────────────── */
.feed-rail {
  width: 220px;
  flex-shrink: 0;
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-right: 1px solid var(--border2);
}
.feed-rail-back {
  display: flex; align-items: center; gap: 8px;
  color: var(--text2); font-size: 13px; font-weight: 500;
  padding: 8px 10px; border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}
.feed-rail-back:hover { color: var(--green); background: var(--surface2); }
.feed-rail-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 10px;
}
.feed-rail-brand-name {
  font-weight: 700; font-size: 16px; color: var(--text);
  letter-spacing: -0.01em;
}
.feed-rail-brand-sub {
  font-size: 10px; color: var(--text3);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.feed-rail-divider {
  height: 1px; background: var(--border2); margin: 4px 6px;
}
.feed-rail-section-label {
  font-size: 10px; font-weight: 600; color: var(--text3);
  text-transform: uppercase; letter-spacing: 0.08em;
  padding: 0 14px; margin-bottom: 4px;
}
.feed-rail-account {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px;
  transition: background 0.12s;
}
.feed-rail-account:hover { background: var(--surface2); }
.feed-rail-account-name {
  font-size: 12px; font-weight: 600; color: var(--text);
  line-height: 1.2;
}
.feed-rail-account-handle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; color: var(--text3);
}

/* ── Main feed column ─────────────────────────────────────────── */
.feed-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border2);
  border-left: 1px solid var(--border2);
  overflow: hidden;
}
.feed-header {
  position: sticky; top: 0; z-index: 10;
  background: oklch(0.09 0.022 215 / 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border2);
}
.feed-header-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
}
.feed-title { font-size: 17px; font-weight: 700; color: var(--text); }
.feed-refresh {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 20px;
  border: 1px solid var(--border); background: transparent;
  color: var(--text2); font-size: 12px; font-weight: 500;
  cursor: pointer; transition: all 0.15s;
  font-family: inherit;
}
.feed-refresh:hover {
  color: var(--green); border-color: var(--green-bg);
  background: var(--green-bg);
}
.feed-refresh svg { transition: transform 0.4s; }
.feed-refresh.spinning svg { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.feed-filter-row {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border-top: 1px solid var(--border2);
}
.filter-pill {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 20px;
  border: 1px solid var(--border); background: transparent;
  color: var(--text2); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all 0.15s;
  font-family: inherit;
}
.filter-pill:hover {
  background: var(--surface2);
  color: var(--text);
}
.filter-pill.active {
  border-color: var(--green);
  background: var(--green-bg);
  color: var(--green);
}
.filter-pill-count {
  font-size: 11px;
  opacity: 0.7;
  font-family: 'JetBrains Mono', monospace;
}

/* ── Posts list (scrollable region) ───────────────────────────── */
.feed-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.feed-empty,
.feed-loading {
  padding: 80px 20px;
  text-align: center;
  color: var(--text3);
  font-size: 13px;
}

/* ── Post card ────────────────────────────────────────────────── */
.post-card {
  display: flex; gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border2);
  transition: background 0.1s ease;
  animation: fadeUp 0.25s ease both;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.post-card:hover {
  background: oklch(0.13 0.018 215 / 0.5);
}
.post-card:visited { color: inherit; }

.post-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 700; letter-spacing: -0.02em;
  flex-shrink: 0;
}
.post-card.news .post-avatar {
  border-radius: 10px;
}

.post-content {
  flex: 1;
  min-width: 0;
}

.post-header {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}
.post-name {
  font-size: 14px; font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.post-card.news .post-name {
  color: var(--text);
}
.post-handle {
  font-size: 13px;
  color: var(--text3);
  font-family: 'JetBrains Mono', monospace;
}
.post-time {
  font-size: 13px;
  color: var(--text3);
}
.post-time::before {
  content: '·';
  margin-right: 6px;
}
.post-news-badge {
  display: inline-flex; align-items: center;
  padding: 2px 7px; border-radius: 4px;
  background: var(--amber-bg);
  color: var(--amber);
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.post-verified {
  width: 14px; height: 14px;
  flex-shrink: 0;
  color: var(--blue);
}
.post-source {
  font-size: 12px;
  color: var(--text3);
  font-family: 'JetBrains Mono', monospace;
}

.post-text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  white-space: pre-wrap;
  word-wrap: break-word;
  text-wrap: pretty;
}
.post-card.news .post-text {
  color: var(--text2);
}
.post-text-tag {
  color: var(--blue);
  font-weight: 500;
}

.post-link-hint {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 8px;
  font-size: 11px; color: var(--text3);
  font-family: 'JetBrains Mono', monospace;
}
.post-link-hint svg { width: 11px; height: 11px; }

/* ── Banner (e.g., RSS down → fallback) ───────────────────────── */
.feed-banner {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 20px;
  background: var(--amber-bg);
  border-bottom: 1px solid var(--border2);
  color: var(--amber);
  font-size: 13px; font-weight: 500;
}
.feed-banner svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
}

/* ── Responsive: drop the rail on narrow screens ──────────────── */
@media (max-width: 720px) {
  .feed-rail { display: none; }
  .feed-main { border-left: none; border-right: none; }
}