/* ========================================
   SIDEBAR (RECENT PLOTS)
   ======================================== */
.sidebar {
  position: fixed;
  top: 0;
  right: -350px;
  width: 330px;
  height: 100vh;
  background: var(--card-bg);
  border-left: 2px solid var(--border-color);
  z-index: 2000;
  transition: right 0.3s ease;
  overflow-y: auto;
  box-shadow: -4px 0 15px rgba(0,0,0,0.2);
}

.sidebar.open {
  right: 0;
}

.sidebar-header {
  padding: 1.2rem;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  background: var(--card-bg);
  z-index: 1;
}

.sidebar-title {
  margin: 0;
  font-size: 1.2rem;
  color: var(--text-color);
  font-weight: 600;
}

.sidebar-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-color);
  padding: 0.2rem;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.sidebar-close:hover {
  background: var(--border-color);
}

.sidebar-content {
  padding: 1rem;
}

.recent-plot {
  display: flex;
  gap: 0.7rem;
  padding: 0.8rem;
  margin-bottom: 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid var(--border-color);
}

.recent-plot:hover {
  background: var(--button-bg);
  color: white;
  transform: translateX(2px);
}

.recent-plot-thumb {
  width: 60px;
  height: 48px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.recent-plot-info {
  flex: 1;
  min-width: 0;
}

.recent-plot-name {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.recent-plot-path {
  font-size: 0.8rem;
  color: var(--breadcrumb-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1500;
  display: none;
  backdrop-filter: blur(2px);
}

.sidebar-overlay.open {
  display: block;
}