.sidebar {
  min-height: calc(100vh - 44px);
  background: linear-gradient(180deg, var(--panel-2) 0%, var(--panel-3) 100%);
  color: var(--text-inverse);
  padding: 18px 14px;
  position: sticky;
  top: 22px;
  transition: width var(--transition), padding var(--transition), border-radius var(--transition);
  border-radius: 28px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.sidebar__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 54px;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  min-height: 70px;
}

.sidebar__top::before {
  content: '';
  display: block;
  width: 100%;
  max-width: 156px;
  height: 72px;
  background-image: url('../img/logo_sgac_transparente.png');
  background-repeat: no-repeat;
  background-position: left center;
  background-size: contain;
  transition: opacity var(--transition), max-width var(--transition), transform var(--transition), height var(--transition);
}

.sidebar__toggle {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  justify-self: end;
  flex-shrink: 0;
  margin-left: 0;
  transition: transform var(--transition), background var(--transition);
}

.sidebar__toggle:hover {
  background: rgba(255, 255, 255, 0.14);
}

.sidebar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: #fff;
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar__item {
  width: 100%;
  min-height: 62px;
  border-radius: 18px;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  text-align: left;
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
  border: 1px solid transparent;
}

.sidebar__item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(2px);
}

.sidebar__item.is-active {
  background: rgba(37, 99, 235, 0.18);
  border-color: rgba(96, 165, 250, 0.35);
}

.sidebar__icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.sidebar__icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sidebar__label-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  transition: opacity var(--transition), width var(--transition), transform var(--transition);
}

.sidebar__label {
  font-weight: 700;
  white-space: nowrap;
}

.sidebar__meta {
  font-size: 0.78rem;
  color: rgba(226, 232, 240, 0.68);
  white-space: nowrap;
}

.app-shell.is-collapsed .sidebar {
  padding-inline: 10px;
}

.app-shell.is-collapsed .sidebar__label-wrap {
  opacity: 0;
  width: 0;
  transform: translateX(-8px);
}

.app-shell.is-collapsed .sidebar__item {
  justify-content: center;
  padding-inline: 10px;
}

.app-shell.is-collapsed .sidebar__top {
  grid-template-columns: 1fr;
  justify-items: center;
  min-height: auto;
}

.app-shell.is-collapsed .sidebar__top::before {
  opacity: 0;
  max-width: 0;
  height: 0;
  transform: translateX(-8px);
}

.app-shell.is-collapsed .sidebar__toggle {
  justify-self: center;
}

@media (max-width: 980px) {
  .sidebar {
    min-height: auto;
    position: static;
    top: auto;
    padding: 16px;
    border-radius: 24px;
  }

  .sidebar__top {
    min-height: auto;
    margin-bottom: 18px;
  }

  .sidebar__top::before {
    max-width: 132px;
    height: 56px;
  }

  .sidebar__nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .sidebar__item,
  .app-shell.is-collapsed .sidebar__item {
    min-height: 58px;
    justify-content: flex-start;
    padding: 12px 14px;
  }

  .app-shell.is-collapsed .sidebar__label-wrap {
    opacity: 1;
    width: auto;
    transform: none;
  }

  .app-shell.is-collapsed .sidebar__top {
    grid-template-columns: minmax(0, 1fr) 54px;
    justify-items: stretch;
  }

  .app-shell.is-collapsed .sidebar__top::before {
    opacity: 1;
    max-width: 132px;
    height: 56px;
    transform: none;
  }

  .app-shell.is-collapsed .sidebar__toggle {
    justify-self: end;
  }

  .app-shell.is-mobile-content-mode .sidebar {
    position: sticky;
    top: 0;
    z-index: 40;
  }

  .app-shell.is-mobile-content-mode .sidebar__top {
    margin-bottom: 0;
  }

  .app-shell.is-mobile-content-mode .sidebar__nav {
    display: none;
  }
}

@media (max-width: 640px) {
  .sidebar {
    padding: 14px;
    border-radius: 22px;
  }

  .sidebar__top {
    gap: 10px;
    margin-bottom: 14px;
  }

  .sidebar__top::before {
    max-width: 116px;
    height: 48px;
  }

  .sidebar__toggle {
    width: 48px;
    height: 48px;
    border-radius: 16px;
  }

  .sidebar__nav {
    grid-template-columns: 1fr;
  }

  .sidebar__item {
    min-height: 56px;
    border-radius: 16px;
  }

  .sidebar__label {
    font-size: 0.96rem;
  }

  .sidebar__meta {
    font-size: 0.74rem;
  }
}