/* =============================================================
   Unexplained Feed — Front-end Styles
   Dark card UI, Blocsky-compatible, mobile-first
   ============================================================= */

/* ── Wrapper ─────────────────────────────────────────────── */
.uf-wrap {
  --uf-bg:      #0f0f1a;
  --uf-card:    #16162a;
  --uf-border:  #252540;
  --uf-text:    #e2e2f0;
  --uf-muted:   #6b6b8a;
  --uf-accent:  #818cf8;
  --uf-hover:   #1d1d35;

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 0 40px;
  color: var(--uf-text);
}

/* ── Category Tabs ───────────────────────────────────────── */
.uf-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 28px;
  padding: 0;
  list-style: none;
}

.uf-tab {
  background: var(--uf-card);
  border: 1px solid var(--uf-border);
  color: var(--uf-muted);
  border-radius: 999px;
  padding: 5px 15px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
  line-height: 1.5;
}

.uf-tab:hover {
  background: var(--uf-hover);
  color: var(--uf-text);
  border-color: #444;
}

/* Active "All" tab */
.uf-tab--active[data-cat="all"] {
  background: #fff;
  border-color: #fff;
  color: #111;
}

/* Active category tab — uses CSS custom property set inline */
.uf-tab--active:not([data-cat="all"]) {
  background: var(--uf-cc, var(--uf-accent));
  border-color: var(--uf-cc, var(--uf-accent));
  color: #fff;
}

/* ── Item List ───────────────────────────────────────────── */
.uf-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ── Single Item Card ────────────────────────────────────── */
.uf-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--uf-card);
  border: 1px solid var(--uf-border);
  border-radius: 12px;
  padding: 14px 16px;
  transition: border-color 0.15s, background 0.15s;
}

.uf-item:hover {
  background: var(--uf-hover);
  border-color: #3a3a60;
}

/* ── Thumbnail ───────────────────────────────────────────── */
.uf-thumb {
  width: 96px;
  height: 66px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
  background: #111;
}

/* ── Item Body ───────────────────────────────────────────── */
.uf-body {
  flex: 1;
  min-width: 0;
}

/* ── Meta Row (badge + time) ─────────────────────────────── */
.uf-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
  flex-wrap: wrap;
}

.uf-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 2px 9px;
  border-radius: 999px;
  color: #fff;
  white-space: nowrap;
  text-transform: uppercase;
}

.uf-ago {
  font-size: 11px;
  color: var(--uf-muted);
}

/* ── Title Link ──────────────────────────────────────────── */
.uf-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--uf-text);
  text-decoration: none;
  line-height: 1.45;
  margin-bottom: 5px;
}

.uf-title:hover {
  color: var(--uf-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Source Name ─────────────────────────────────────────── */
.uf-source {
  font-size: 12px;
  color: var(--uf-muted);
}

/* ── Footer count ────────────────────────────────────────── */
.uf-count {
  text-align: center;
  color: var(--uf-muted);
  font-size: 12px;
  margin-top: 20px;
}

/* ── Empty state ─────────────────────────────────────────── */
.uf-empty {
  color: var(--uf-muted);
  font-style: italic;
  padding: 20px 0;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .uf-thumb {
    width: 72px;
    height: 52px;
  }

  .uf-title {
    font-size: 14px;
  }

  .uf-tab {
    font-size: 12px;
    padding: 4px 11px;
  }
}

@media (max-width: 420px) {
  .uf-item {
    flex-direction: column;
    gap: 10px;
  }

  .uf-thumb {
    width: 100%;
    height: 140px;
  }
}