body {
  margin: 0;
  font-family: "Inter", "Noto Sans SC", sans-serif;
  background: radial-gradient(circle, #1b0b2d, #080412);
  color: #fff;
}
.app-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}
.panel {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.flex {
  display: flex;
  gap: 1rem;
}
.nav {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}
.nav-link {
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: inherit;
  text-decoration: none;
  font-weight: 600;
}
.nav-link.active {
  background: linear-gradient(135deg, #ff40dd, #7e5bff);
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}
.card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(0, 0, 0, 0.25));
  border-radius: 18px;
  padding: 1.2rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.card h3 {
  margin-top: 0;
}
.badge {
  display: inline-flex;
  margin-bottom: 0.4rem;
  margin-right: 0.5rem;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
}
button {
  border: none;
  border-radius: 999px;
  padding: 0.7rem 1.5rem;
  background: linear-gradient(135deg, #ff4fd8, #8b5cff);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease;
}
button:active {
  transform: scale(0.97);
}
.code-box {
  background: rgba(0, 0, 0, 0.35);
  border-radius: 16px;
  padding: 1rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  max-height: 240px;
  overflow: auto;
}
.log-box {
  max-height: 200px;
  overflow-y: auto;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 14px;
  padding: 0.8rem;
  font-size: 0.9rem;
}
.lang-toggle {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.1);
}
#logout-btn {
  background: rgba(255, 255, 255, 0.1);
}