/* Sidebar fixa à esquerda */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: linear-gradient(
    180deg,
    var(--brand-sidebar-start) 0%,
    var(--brand-sidebar-mid) 52%,
    var(--brand-sidebar-end) 100%
  );
  color: var(--brand-sidebar-text);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--transition), transform var(--transition), box-shadow var(--transition);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  min-height: 81px;
}

.sidebar-brand-mark {
  display: flex;
  align-items: center;
  min-width: 0;
  flex: 1;
}

.sidebar-brand-image {
  display: block;
  height: auto;
  object-fit: contain;
}

.sidebar-brand-image--full {
  width: min(100%, 156px);
}

.sidebar-brand-image--icon {
  display: none;
  width: 42px;
  height: 42px;
}

.sidebar-toggle {
  flex-shrink: 0;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 14px;
}

.sidebar-nav-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav-group + .sidebar-nav-group {
  margin-top: 12px;
}

.sidebar-nav-group-title {
  padding: 0 12px 5px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--brand-sidebar-muted);
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.sidebar-item i {
  font-size: 18px;
  width: 20px;
  text-align: center;
}

.sidebar-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--brand-sidebar-text);
}

.sidebar-item.active {
  background: rgba(255, 255, 255, 0.10);
  color: var(--brand-sidebar-text);
  font-weight: 600;
}

.sidebar-footer {
  padding: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--brand-sidebar-text);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-weight: 600;
  font-size: 13px;
  color: var(--brand-sidebar-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 12px;
  color: var(--brand-sidebar-muted);
  font-weight: 600;
}

.sidebar .btn-icon {
  color: var(--brand-sidebar-muted);
}

.sidebar .btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--brand-sidebar-text);
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 95;
  border: 0;
  background: var(--overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

body.sidebar-collapsed {
  --sidebar-w: 76px;
}

body.sidebar-collapsed .sidebar-brand {
  flex-direction: column;
  gap: 8px;
  padding: 14px 10px;
}

body.sidebar-collapsed .sidebar-brand-mark {
  flex: none;
}

body.sidebar-collapsed .sidebar-brand-image--full {
  display: none;
}

body.sidebar-collapsed .sidebar-brand-image--icon {
  display: block;
}

body.sidebar-collapsed .sidebar-item-label,
body.sidebar-collapsed .sidebar-nav-group-title,
body.sidebar-collapsed .sidebar-user-info {
  display: none;
}

body.sidebar-collapsed .sidebar-item {
  justify-content: center;
  padding-inline: 10px;
}

body.sidebar-collapsed .sidebar-user {
  flex-direction: column;
}

@media (max-width: 900px) {
  .sidebar,
  body.sidebar-collapsed .sidebar {
    width: min(280px, calc(100vw - 48px));
    transform: translateX(-102%);
    box-shadow: none;
  }

  body.sidebar-mobile-open .sidebar {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  body.sidebar-mobile-open .sidebar-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  body.sidebar-collapsed .sidebar-brand {
    flex-direction: row;
    gap: 12px;
    padding: 20px 18px;
  }

  body.sidebar-collapsed .sidebar-brand-mark,
  body.sidebar-collapsed .sidebar-item-label,
  body.sidebar-collapsed .sidebar-nav-group-title,
  body.sidebar-collapsed .sidebar-user-info {
    display: block;
  }

  body.sidebar-collapsed .sidebar-brand-mark {
    display: flex;
    flex: 1;
  }

  body.sidebar-collapsed .sidebar-brand-image--full {
    display: block;
    width: min(100%, 176px);
  }

  body.sidebar-collapsed .sidebar-brand-image--icon {
    display: none;
  }

  body.sidebar-collapsed .sidebar-item {
    justify-content: flex-start;
    padding: 10px 12px;
  }

  body.sidebar-collapsed .sidebar-user {
    flex-direction: row;
  }

  .sidebar-toggle,
  .sidebar-item,
  .sidebar-user .btn-icon {
    min-height: 44px;
  }

  .sidebar-item {
    font-size: 14px;
  }
}