:root {
  --portal-bg: #071018;
  --portal-card: rgba(255, 255, 255, 0.06);
  --portal-card-strong: rgba(255, 255, 255, 0.08);
  --portal-text: #eafff7;
  --portal-muted: rgba(234, 255, 247, 0.78);
  --portal-line: rgba(255, 255, 255, 0.12);
  --portal-accent: #86efac;
  --portal-accent-strong: rgba(134, 239, 172, 0.2);
  --portal-accent-blue: rgba(56, 189, 248, 0.18);
  --portal-btn: rgba(255, 255, 255, 0.1);
  --portal-btn-hover: rgba(255, 255, 255, 0.16);
  --portal-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --portal-radius: 20px;
}

.portal-side-menu,
.portal-side-menu * {
  box-sizing: border-box;
}

.portal-side-menu {
  position: sticky;
  top: 0px;
  align-self: start;
  color: var(--portal-text);
}

.surface {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.045));
  border: 1px solid var(--portal-line);
  border-radius: var(--portal-radius);
  box-shadow: var(--portal-shadow);
  padding: 18px;
}

.side-menu-group + .side-menu-group {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.side-menu-label {
  margin: 0 0 10px;
  color: var(--portal-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.side-menu-nav,
.side-menu-actions {
  display: grid;
  gap: 8px;
}

.side-menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
  padding: 12px 14px;
  border-radius: 14px;
  color: var(--portal-muted);
  border: 1px solid transparent;
  background: transparent;
  text-decoration: none;
  transition:
    background 120ms ease,
    transform 120ms ease,
    color 120ms ease,
    border-color 120ms ease;
}

.side-menu-link:hover,
.side-menu-link.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--portal-text);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.side-menu-link-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.side-menu-icon {
  width: 18px;
  text-align: center;
  flex: 0 0 auto;
  opacity: 0.95;
}

.side-menu-text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.side-menu-badge {
  min-width: 24px;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(134, 239, 172, 0.12);
  border: 1px solid rgba(134, 239, 172, 0.24);
  color: var(--portal-accent);
  font-size: 11px;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.side-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--portal-line);
  border-radius: 12px;
  background: var(--portal-btn);
  color: var(--portal-text);
  font-weight: 800;
  text-decoration: none;
  transition:
    background 120ms ease,
    transform 120ms ease,
    border-color 120ms ease;
  cursor: pointer;
  padding: 10px 14px;
  font-size: 13px;
}

.side-menu-btn:hover {
  background: var(--portal-btn-hover);
  transform: translateY(-1px);
}

.side-menu-btn.primary {
  background: rgba(134, 239, 172, 0.14);
  border-color: rgba(134, 239, 172, 0.34);
}

.side-menu-btn.soft {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.2);
}

@media (max-width: 1200px) {
  .portal-side-menu {
    position: static;
    top: auto;
  }
}