/* =============================================================================
   CUSTOM PROPERTIES — edit these to restyle the sidebar without touching JS
   ============================================================================= */
:root {
  --snav-width-open: 180px;
  --snav-width-collapsed: 52px;
  --snav-bg: #111827;
  --snav-accent: #3b82f6;
  --snav-text: #94a3b8;
  --snav-text-active: #ffffff;
  --snav-border: #1f2937;
  --snav-hover: #1f2937;
  --snav-transition: 200ms ease;
  --snav-icon-size: 22px;
}

.snav {
  width: var(--snav-width-open);
  min-width: var(--snav-width-open);
  background: var(--snav-bg);
  border-right: 1px solid var(--snav-border);
  display: flex;
  flex-direction: column;
  transition: width var(--snav-transition), min-width var(--snav-transition);
  overflow: hidden;
  flex-shrink: 0;
  height: 100%;
  z-index: 100;
}

.snav--collapsed {
  width: var(--snav-width-collapsed);
  min-width: var(--snav-width-collapsed);
}

.snav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 14px 16px;
  text-decoration: none;
  border-bottom: 1px solid var(--snav-border);
  overflow: hidden;
  white-space: nowrap;
}

.snav-brand-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--snav-text-active);
  letter-spacing: 0.03em;
  opacity: 1;
  transition: opacity var(--snav-transition);
  white-space: nowrap;
}

.snav--collapsed .snav-brand-text {
  opacity: 0;
  pointer-events: none;
  width: 0;
}

.snav-items {
  list-style: none;
  margin: 0;
  padding: 8px 0;
  flex: 1;
}

.snav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  text-decoration: none;
  color: var(--snav-text);
  white-space: nowrap;
  overflow: hidden;
  transition: background var(--snav-transition), color var(--snav-transition);
}

.snav-item:hover {
  background: var(--snav-hover);
  color: var(--snav-text-active);
}

.snav-item--active {
  color: var(--snav-text-active);
  background: rgba(59, 130, 246, 0.15);
  border-right: 2px solid var(--snav-accent);
}

.snav-icon {
  font-family: 'Material Symbols Outlined';
  font-size: var(--snav-icon-size);
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  flex-shrink: 0;
  -webkit-font-smoothing: antialiased;
}

.snav-label {
  font-size: 13px;
  font-weight: 500;
  opacity: 1;
  transition: opacity var(--snav-transition);
}

.snav--collapsed .snav-label {
  opacity: 0;
  width: 0;
  pointer-events: none;
}

.snav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: none;
  border: none;
  border-top: 1px solid var(--snav-border);
  cursor: pointer;
  color: var(--snav-text);
  width: 100%;
  transition: color var(--snav-transition), background var(--snav-transition);
}

.snav-toggle:hover {
  color: var(--snav-text-active);
  background: var(--snav-hover);
}

.snav-toggle .snav-icon {
  transition: transform var(--snav-transition);
}

.snav--collapsed .snav-toggle .snav-icon {
  transform: rotate(180deg);
}