/* SB layout helpers */
.sb-shell {
  width: 100%;
  margin: 0 auto;
}

.sb-topbar,
.sb-menu {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  padding: 0;
  list-style: none;
}

.sb-topbar {
  flex-wrap: wrap;
}

.sb-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius, 12px);
  border: 1px solid color-mix(in oklab, var(--border, #1f2937) 70%, transparent);
  background: color-mix(in oklab, var(--panel, #111827) 92%, transparent);
  color: var(--text, #e5e7eb);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.18s ease, box-shadow 0.2s ease;
}

.sb-tab:hover,
.sb-tab:focus-visible {
  border-color: color-mix(in oklab, var(--accent, #22c55e) 65%, transparent);
  background: color-mix(in oklab, var(--accent, #22c55e) 20%, var(--panel, #111827));
  box-shadow: 0 6px 18px -12px rgba(34, 197, 94, 0.55);
  transform: translateY(-2px);
  outline: none;
}

.sb-tab.is-active,
.sb-tab[aria-expanded="true"] {
  border-color: color-mix(in oklab, var(--accent, #22c55e) 78%, transparent);
  background: color-mix(in oklab, var(--accent, #22c55e) 28%, var(--panel, #111827));
  box-shadow: 0 8px 24px -12px rgba(34, 197, 94, 0.6);
  color: var(--text, #e5e7eb);
}

.sb-menu {
  gap: 14px;
  justify-content: flex-start;
  align-items: stretch;
}

.sb-menu .sb-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius, 12px);
  border: 1px solid color-mix(in oklab, var(--border, #1f2937) 62%, transparent);
  background: color-mix(in oklab, var(--panel, #111827) 88%, transparent);
  color: var(--text, #e5e7eb);
  text-decoration: none;
  line-height: 1.2;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  width: 100%;
}

.sb-menu .sb-item:hover,
.sb-menu .sb-item:focus-visible {
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--accent, #22c55e) 55%, transparent);
  background: color-mix(in oklab, var(--accent, #22c55e) 18%, var(--panel, #111827));
  box-shadow: 0 10px 30px -16px rgba(34, 197, 94, 0.55);
  outline: none;
}

.sb-menu .sb-item.is-secondary {
  border-color: color-mix(in oklab, var(--accent, #22c55e) 45%, transparent);
  background: color-mix(in oklab, var(--accent, #22c55e) 14%, var(--panel, #111827));
}

.sb-menu .sb-item.is-danger {
  border-color: color-mix(in oklab, var(--danger, #ef4444) 60%, transparent);
  background: color-mix(in oklab, var(--danger, #ef4444) 16%, var(--panel, #111827));
  box-shadow: 0 10px 26px -16px rgba(239, 68, 68, 0.6);
}

.sb-menu .sb-item .sb-ico {
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
}

.sb-menu .sb-item .sb-label {
  flex: 1 1 auto;
  font-weight: 600;
}

@media (min-width: 992px) {
  .sb-topbar {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 18px;
  }

  .sb-menu {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .sb-menu .sb-item {
    width: auto;
    flex: 1 1 clamp(200px, 25%, 260px);
  }
}

@media (max-width: 576px) {
  .sb-tab {
    font-size: 0.82rem;
    padding-inline: 0.75rem;
  }
}