/* ── Sticky Banner ──────────────────────────────────────────────────────────── */
.preview-banner {
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border-bottom: 1px solid var(--border);
  padding: 10px 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.preview-banner-icon {
  color: var(--accent);
  font-size: 16px;
}
.preview-banner strong {
  color: var(--text);
  font-weight: 600;
}
.preview-banner-cta {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s;
}
.preview-banner-cta:hover { opacity: 0.88; }

/* ── Top Bar ─────────────────────────────────────────────────────────────────── */
.preview-topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 32px 0;
  flex-wrap: wrap;
}
.preview-channel-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}
.preview-niche-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 4px;
}
.preview-status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(40, 200, 64, 0.12);
  border: 1px solid rgba(40, 200, 64, 0.25);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #28C840;
}
.preview-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #28C840;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.preview-sub-count {
  margin-left: auto;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.preview-sub-number {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}
.preview-sub-delta {
  font-size: 12px;
  font-weight: 600;
  color: #28C840;
}

/* ── Main Layout ─────────────────────────────────────────────────────────────── */
.preview-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  padding: 20px 32px 80px;
}
.preview-main { min-width: 0; }

/* ── KPI Cards ────────────────────────────────────────────────────────────────── */
.preview-kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}
.preview-kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
}
.preview-kpi-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 10px;
}
.preview-kpi-value {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}
.preview-kpi-delta {
  font-size: 11px;
  font-weight: 600;
  color: #28C840;
  margin-bottom: 12px;
}
.preview-sparkline {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 32px;
}
.preview-bar-spark {
  flex: 1;
  border-radius: 2px;
  background: var(--border);
  min-height: 4px;
}
.preview-bar-spark.accent { background: var(--accent); }

/* ── Sections ────────────────────────────────────────────────────────────────── */
.preview-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
}
.preview-section-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.preview-section-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.preview-section-badge {
  font-size: 11px;
  color: var(--text-dim);
  background: var(--border);
  padding: 2px 8px;
  border-radius: 10px;
}

/* ── Upload Calendar ────────────────────────────────────────────────────────── */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  padding: 16px 20px;
}
.calendar-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
}
.calendar-thumb {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.calendar-info { padding: 8px 10px; }
.calendar-date {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 3px;
}
.calendar-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.calendar-status {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  display: inline-block;
}
.calendar-status.scheduled { color: #28C840; background: rgba(40,200,64,0.12); }
.calendar-status.rendering { color: #FFA040; background: rgba(255,160,64,0.12); }
.calendar-status.scripted { color: var(--text-muted); background: var(--surface-2); }

/* ── Recent Uploads ─────────────────────────────────────────────────────────── */
.uploads-list { padding: 4px 0; }
.upload-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.upload-row:last-child { border-bottom: none; }
.upload-row:hover { background: var(--surface-2); }
.upload-thumb {
  width: 80px;
  height: 45px;
  border-radius: 6px;
  flex-shrink: 0;
}
.upload-info { flex: 1; min-width: 0; }
.upload-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.upload-meta {
  display: flex;
  gap: 14px;
  font-size: 11px;
  color: var(--text-muted);
}
.upload-meta span { display: flex; align-items: center; gap: 4px; }
.upload-days {
  font-size: 11px;
  color: var(--text-dim);
  flex-shrink: 0;
}

/* ── AI Activity Feed ────────────────────────────────────────────────────────── */
.preview-sidebar {}
.activity-feed { padding: 8px 0; }
.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 16px;
  border-bottom: 1px solid var(--border);
}
.activity-item:last-child { border-bottom: none; }
.activity-icon {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 1px;
}
.activity-icon.script { background: rgba(40,200,64,0.15); color: #28C840; }
.activity-icon.thumbnail { background: rgba(255,107,44,0.15); color: var(--accent); }
.activity-icon.avatar { background: rgba(100,120,255,0.15); color: #6480FF; }
.activity-icon.published { background: rgba(40,200,64,0.2); color: #28C840; }
.activity-icon.insight { background: rgba(180,180,80,0.12); color: #B4B450; }
.activity-icon.uploaded { background: rgba(80,200,180,0.12); color: #50C8B4; }
.activity-icon.scheduled { background: rgba(150,100,200,0.12); color: #9664C8; }
.activity-time {
  font-size: 10px;
  color: var(--text-dim);
  min-width: 38px;
  padding-top: 2px;
}
.activity-text {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Responsive ───────────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .preview-layout { grid-template-columns: 1fr; }
  .preview-kpi-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .preview-banner { padding: 10px 16px; flex-wrap: wrap; }
  .preview-topbar { padding: 16px 16px 0; }
  .preview-sub-count { margin-left: 0; width: 100%; }
  .preview-layout { padding: 16px 16px 60px; }
  .preview-kpi-row { grid-template-columns: repeat(2, 1fr); }
  .calendar-grid { grid-template-columns: repeat(2, 1fr); }
}