/* ============================================================
   ProPDF Editor — Panels Styles
   ============================================================ */

/* ---- RIGHT PANEL ---- */
.right-panel {
  width: var(--right-panel-w);
  min-width: var(--right-panel-w);
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden;
  z-index: 80;
}

.panel-section {
  border-bottom: 1px solid var(--border);
}

.panel-header {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; font-size: 12px; font-weight: 600;
  color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px;
  cursor: pointer; user-select: none;
  background: var(--bg-tertiary);
  position: sticky; top: 0; z-index: 5;
}
.panel-header .material-icons-round { font-size: 16px; color: var(--accent); }
.panel-action-btn {
  margin-left: auto; display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 4px;
  background: transparent; border: none; color: var(--text-muted);
  cursor: pointer; transition: var(--transition);
}
.panel-action-btn:hover { background: var(--bg-hover); color: var(--accent); }
.panel-action-btn .material-icons-round { font-size: 16px; }

/* ---- PAGES LIST ---- */
.pages-list {
  padding: 8px; display: flex; flex-direction: column; gap: 6px;
  max-height: 280px; overflow-y: auto;
}
.page-thumb {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px; border-radius: var(--radius-sm);
  cursor: pointer; transition: var(--transition);
  border: 1px solid transparent;
}
.page-thumb:hover { background: var(--bg-hover); }
.page-thumb.active { background: rgba(108,99,255,0.15); border-color: var(--accent); }
.page-thumb-img {
  width: 40px; height: 56px; background: #fff;
  border-radius: 2px; overflow: hidden; flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.page-thumb-img canvas { width: 100%; height: 100%; object-fit: contain; }
.page-thumb-info { flex: 1; min-width: 0; }
.page-thumb-num { font-size: 12px; font-weight: 600; color: var(--text-primary); }
.page-thumb-size { font-size: 10px; color: var(--text-muted); }
.page-thumb-actions {
  display: flex; gap: 2px; opacity: 0; transition: var(--transition);
}
.page-thumb:hover .page-thumb-actions { opacity: 1; }
.page-thumb-action-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 4px;
  background: transparent; border: none; color: var(--text-muted);
  cursor: pointer; transition: var(--transition);
}
.page-thumb-action-btn:hover { background: var(--bg-card); color: var(--text-primary); }
.page-thumb-action-btn .material-icons-round { font-size: 14px; }

/* ---- LAYERS LIST ---- */
.layers-list {
  padding: 8px; display: flex; flex-direction: column; gap: 4px;
  max-height: 320px; overflow-y: auto;
}
.layer-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px; border-radius: var(--radius-sm);
  cursor: pointer; transition: var(--transition);
  border: 1px solid transparent; user-select: none;
}
.layer-item:hover { background: var(--bg-hover); }
.layer-item.active { background: rgba(108,99,255,0.15); border-color: var(--accent); }
.layer-item.locked { opacity: 0.6; }
.layer-drag-handle {
  color: var(--text-muted); cursor: grab; font-size: 16px;
}
.layer-icon { font-size: 16px; color: var(--text-muted); }
.layer-name {
  flex: 1; font-size: 12px; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.layer-name-input {
  flex: 1; background: var(--bg-card); border: 1px solid var(--accent);
  color: var(--text-primary); border-radius: 4px; padding: 2px 6px;
  font-size: 12px;
}
.layer-actions {
  display: flex; gap: 2px; opacity: 0; transition: var(--transition);
}
.layer-item:hover .layer-actions { opacity: 1; }
.layer-action-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 4px;
  background: transparent; border: none; color: var(--text-muted);
  cursor: pointer; transition: var(--transition);
}
.layer-action-btn:hover { background: var(--bg-card); color: var(--text-primary); }
.layer-action-btn .material-icons-round { font-size: 14px; }

/* ---- PROPERTIES PANEL ---- */
.properties-content {
  padding: 12px; display: flex; flex-direction: column; gap: 12px;
}
.prop-group {
  display: flex; flex-direction: column; gap: 6px;
}
.prop-label {
  font-size: 11px; color: var(--text-muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.prop-row { display: flex; gap: 8px; }
.prop-field {
  display: flex; align-items: center; gap: 4px; flex: 1;
}
.prop-field span { font-size: 11px; color: var(--text-muted); min-width: 12px; }
.prop-input {
  flex: 1; background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-primary); border-radius: var(--radius-sm);
  padding: 4px 8px; font-size: 12px; min-width: 0;
}
.prop-input:focus { outline: none; border-color: var(--accent); }
.prop-input.full-width { width: 100%; }
.prop-range { width: 100%; accent-color: var(--accent); }
.prop-lock-row { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-muted); }
.prop-toggle-label { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-secondary); cursor: pointer; }
.shadow-options { display: flex; flex-direction: column; gap: 6px; padding-left: 8px; }