/* ═══════════════════════════════════════════════════
   COMPARISON BAR
   ═══════════════════════════════════════════════════ */
.comparison-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(19, 25, 33, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-light);
  padding: var(--space-3) var(--space-5);
  display: none;
  align-items: center;
  justify-content: space-between;
  z-index: 1050;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.25);
}

.comparison-bar.visible {
  display: flex;
}

.comparison-bar-info {
  font-size: var(--font-sm);
  font-weight: 600;
}

.comparison-bar-actions {
  display: flex;
  gap: var(--space-2);
}

.comparison-bar-actions button {
  padding: var(--space-2) var(--space-4);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--font-sm);
  transition: all var(--transition-fast);
}

.comparison-bar-actions button:active {
  transform: scale(0.97);
}

.btn-compare-open {
  background: var(--accent);
  color: var(--text-dark);
}

.btn-compare-open:hover {
  background: var(--accent-hover);
}

.btn-compare-clear {
  background: transparent;
  color: var(--text-light);
  border: 1px solid rgba(255,255,255,0.3) !important;
}

.btn-compare-clear:hover {
  background: rgba(255,255,255,0.1);
}

/* ═══════════════════════════════════════════════════
   COMPARISON MODAL
   ═══════════════════════════════════════════════════ */
.comparison-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 1100;
  display: none;
  align-items: flex-end;
  justify-content: center;
}

.comparison-overlay.visible {
  display: flex;
}

.comparison-panel {
  background: #fff;
  width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow-y: auto;
  padding: var(--space-6);
  /* Slide-up animation */
  transform: translateY(100%);
  animation: comparison-slide-up 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes comparison-slide-up {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.comparison-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-5);
}

.comparison-header h2 {
  font-size: var(--font-lg);
}

.comparison-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #333;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.comparison-close:hover {
  background: #f0f0f0;
}

/* ═══════════════════════════════════════════════════
   COMPARISON TABLE
   ═══════════════════════════════════════════════════ */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border-color);
  text-align: start;
  vertical-align: top;
}

.comparison-table th {
  font-weight: 600;
  color: var(--text-secondary);
  width: 120px;
  white-space: nowrap;
  font-size: var(--font-sm);
}

.comparison-table td img {
  max-height: 120px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.comparison-table td img:hover {
  transform: scale(1.1);
}

.comparison-table td .remove-compare-btn {
  display: block;
  margin-top: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all var(--transition-fast);
}

.comparison-table td .remove-compare-btn:hover {
  background: #fff0f0;
  border-color: var(--price-red);
  color: var(--price-red);
}

.highlight-best {
  background: #f0fff0;
  font-weight: 700;
  position: relative;
}

.highlight-best::after {
  content: 'Best';
  font-size: var(--font-xs);
  color: var(--success-green);
  font-weight: 600;
  display: block;
  margin-top: var(--space-1);
}

.comparison-products {
  display: flex;
  gap: var(--space-4);
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */
@media (max-width: 600px) {
  .comparison-panel {
    max-height: 90vh;
    padding: var(--space-4);
  }
  .comparison-table th {
    width: 80px;
    font-size: 0.8rem;
  }
  .comparison-table td {
    font-size: var(--font-sm);
  }
}

@media (prefers-reduced-motion: reduce) {
  .comparison-panel {
    animation: none;
    transform: none;
  }
}