/* ── Panels ── */
.panels {
  display: grid;
  grid-template-columns: 1fr 1px 1fr 1px 280px;
  max-width: 1440px;
  margin: 0 auto;
  min-height: calc(100vh - 52px);
}

.panel-divider { background: var(--border); }

.panel { padding: 2rem; overflow: hidden; }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.btn-add {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.4rem 1rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.btn-add:hover { background: var(--accent); color: var(--accent-dark); }

/* ── Tier Rows ── */
.tier-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.tier-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 80px;
  min-height: 80px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  padding: 6px 4px;
  text-align: center;
}

.tier-letter {
  font-size: 1.75rem;
  font-weight: 900;
  color: #000;
  line-height: 1;
}

.tier-desc {
  font-size: 0.55rem;
  font-weight: 700;
  color: rgba(0, 0, 0, 0.65);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.25;
  margin-top: 4px;
}

[data-tier="S"] .tier-label         { background: var(--tier-s); }
[data-tier="A"] .tier-label         { background: var(--tier-a); }
[data-tier="B"] .tier-label         { background: var(--tier-b); }
[data-tier="C"] .tier-label         { background: var(--tier-c); }
[data-tier="Unranked"] .tier-label  { background: var(--tier-u); }
[data-tier="Unranked"] .tier-letter { color: var(--text-muted); }
[data-tier="Unranked"] .tier-desc   { color: var(--text-muted); opacity: 0.6; }

.tier-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  flex: 1;
  min-height: 80px;
  padding: 6px;
  border-radius: var(--radius-sm);
  border: 2px dashed transparent;
  transition: border-color 0.15s, background 0.15s;
}

.tier-cards.drag-over {
  border-color: var(--accent);
  background: rgba(192, 132, 252, 0.07);
}

/* ── Movie Cards ── */
.movie-card {
  position: relative;
  width: var(--card-w);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: grab;
  flex-shrink: 0;
  transition: transform 0.15s, box-shadow 0.15s;
  user-select: none;
}

.movie-card:active { cursor: grabbing; }

.movie-card:hover {
  transform: translateY(-5px) scale(1.06);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.65);
  z-index: 20;
}

.movie-card.dragging {
  opacity: 0.3;
  transform: scale(0.93);
  cursor: grabbing;
}

.movie-card img {
  display: block;
  width: 100%;
  height: var(--card-h);
  object-fit: cover;
}

.poster-placeholder {
  width: 100%;
  height: var(--card-h);
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-align: center;
  padding: 8px;
  gap: 6px;
}

.ph-icon {
  font-size: 2rem;
  opacity: 0.25;
}

.card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
}

.card-title-wrap {
  padding: 5px 6px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.65) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.18s;
}

.movie-card:hover .card-title-wrap { opacity: 1; }

.card-title {
  font-size: 0.7rem;
  color: #fff;
  line-height: 1.25;
  font-weight: 600;
}

/* Action bar slides up from bottom */
.card-actions {
  display: flex;
  transform: translateY(100%);
  transition: transform 0.18s ease;
  pointer-events: all;
}

.movie-card:hover .card-actions { transform: translateY(0); }

.card-action-btn {
  flex: 1;
  border: none;
  cursor: pointer;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 6px 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: filter 0.15s;
  font-family: inherit;
  letter-spacing: 0.02em;
}

.card-action-btn:hover { filter: brightness(1.25); }
.btn-watch  { background: #15803d; color: #fff; }
.btn-queue  { background: #6d28d9; color: #fff; }
.btn-remove { background: #991b1b; color: #fff; }