@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700&family=Roboto:wght@400&display=swap');

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f2027 0%, #2c5364 100%);
  color: #fff;
  font-family: 'Roboto', Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}

h1 {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 2.8rem;
  margin: 0 0 12px 0;
  letter-spacing: 2px;
  font-weight: 700;
}

p {
  font-size: 1.2rem;
  margin: 0 0 32px 0;
  color: #e0e0e0;
}

a {
  color: #38ef7d;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  h1 {
    font-size: 2rem;
  }
}

/* ── App shell mobile layout (≤ 768px) ───────────────────────────────────── */

@media (max-width: 768px) {
  #app {
    flex-direction: row; /* sidebar is fixed overlay; row keeps #main full-width */
  }

  .page-content {
    padding: 12px;
  }

  .topbar {
    padding: 10px 16px;
  }

  .topbar h1 {
    font-size: 16px;
  }
}