*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.sidebar {
  border-right: 1px solid var(--line);
  padding: 24px 16px;
  background: rgba(8, 13, 22, 0.95);
}

.main-shell {
  padding: 18px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .content-grid {
    grid-template-columns: 1fr;
  }
}