/* ─── Collapsible Side Nav ─── */
.side-nav {
  transition: width 0.22s ease;
  overflow: hidden;
}

.side-nav-logo {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  min-height: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 8px;
}

.side-nav-logo img {
  max-height: 30px;
  width: auto;
  display: block;
}

/* ─── Toggle button ─── */
.side-nav-toggle {
  background: none;
  border: none;
  color: rgba(255,255,255,0.45);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: auto;
  transition: color 0.15s, background 0.15s;
  position: relative;
  font-size: 18px;
  line-height: 1;
}

.side-nav-toggle:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

/* Toggle glyph — hamburger when expanded, double-arrow when collapsed */
.nav-toggle-hamburger { display: block; }
.nav-toggle-arrow { display: none; }
.side-nav.collapsed .nav-toggle-hamburger { display: none; }
.side-nav.collapsed .nav-toggle-arrow { display: block; }

/* Tooltip with 500ms hover delay */
.side-nav-toggle::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: #1e293b;
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  padding: 5px 9px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease 0s;
  z-index: 200;
}

.side-nav-toggle:hover::after {
  opacity: 1;
  transition: opacity 0.15s ease 0.5s;
}

/* ─── Collapsed state ─── */
.side-nav.collapsed {
  width: 60px;
}

.side-nav.collapsed .side-nav-logo {
  justify-content: center;
  padding: 10px 0;
}

.side-nav.collapsed .side-nav-logo img {
  display: none;
}

.side-nav.collapsed .nav-label {
  display: none;
}

.side-nav.collapsed .side-nav-links {
  padding: 8px 6px;
}

.side-nav.collapsed .side-nav-link {
  justify-content: center;
  padding: 10px;
  gap: 0;
  border-left: none !important;
  padding-left: 10px !important;
}

.side-nav.collapsed .side-nav-chevron-btn {
  display: none;
}

.side-nav.collapsed .side-nav-sub {
  display: none !important;
}

.side-nav.collapsed .side-nav-bottom {
  padding: 8px 6px 16px;
}

.side-nav.collapsed .nav-user-info {
  display: none;
}

.side-nav.collapsed .nav-user-chevron {
  display: none;
}

.side-nav.collapsed .nav-user-btn {
  justify-content: center;
  padding: 8px;
}

.side-nav.collapsed .nav-user-sub {
  display: none !important;
}
.side-nav.collapsed .nav-user-popup {
  display: none !important;
}