.sidebar {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: var(--sp-4) 0;
  position: relative;
  z-index: 3;
  min-width: 0;
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0 var(--sp-4) var(--sp-4);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-4);
}

.sidebar__mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: rgba(13, 15, 20, 0.65);
  box-shadow: inset 0 0 0 1px rgba(200, 169, 110, 0.2);
}

.sidebar__logo {
  width: 100%;
  height: 100%;
  display: block;
}

.sidebar__name {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--text);
}

.sidebar__tag {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.sidebar__section-label {
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 0 var(--sp-4) var(--sp-2);
}

.sidebar__nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.sidebar__link {
  position: relative;
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  color: var(--text-muted);
  text-decoration: none;
  border: 0;
  font-size: var(--fs-base);
  letter-spacing: 0.04em;
  transition: color var(--transition), background var(--transition);
}

.sidebar__link:hover {
  background: rgba(200, 169, 110, 0.04);
  color: var(--text);
}

.sidebar__link.active,
.sidebar__link[aria-current="page"] {
  color: var(--text);
  background: rgba(200, 169, 110, 0.06);
}

.sidebar__ord {
  display: none;
}

.sidebar__label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
}

@media (max-width: 1200px) {
  .sidebar__tag,
  .sidebar__footer {
    display: none;
  }
}

@media (max-width: 900px) {
  .sidebar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-3) var(--sp-4);
    height: auto;
  }

  .sidebar__brand {
    border-bottom: 0;
    margin-bottom: 0;
    padding: 0;
  }

  .sidebar__nav {
    flex-direction: row;
    gap: var(--sp-1);
  }

  .sidebar__link {
    grid-template-columns: 18px auto;
    padding: var(--sp-2) var(--sp-3);
  }

  .sidebar__active-bar {
    top: auto;
    left: 8px;
    right: 8px;
    bottom: 0;
    width: auto;
    height: 2px;
  }
}

@media (max-width: 640px) {
  .sidebar__label {
    display: none;
  }

  .sidebar__link {
    grid-template-columns: 18px;
    padding: var(--sp-2);
  }
}

.sidebar__active-bar {
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--accent);
}

.sidebar__footer { display: none; }

.sidebar__status {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--text);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sidebar__dot {
  width: 6px;
  height: 6px;
  background: var(--neutral);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(74, 158, 138, 0.6);
}

.sidebar__build {
  font-size: var(--fs-xs);
  color: var(--text-faint);
  letter-spacing: 0.06em;
}