.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 230px 1fr;
}

.app-main {
  min-width: 0;
}

.app-header {
  height: 82px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-title {
  font-size: 1.45rem;
  font-weight: 800;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 2px;
}

.search-box input {
  width: min(360px, 40vw);
  background: #020617;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
}

.content {
  padding: 32px;
  max-width: 1280px;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .content {
    padding: 20px;
  }

  .app-header {
    padding: 14px 20px;
  }

  .search-box input {
    width: 160px;
  }
}