body {
  font-family: "Segoe UI", sans-serif;
  background: #f7f7f7;
  margin: 0;
  padding: 0;
}

header {
  background: #6A46B3;
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.user-info {
  font-size: 0.9rem;
  color: #eee;
}

#login-btn {
  padding: 6px 12px;
  border: none;
  background: white;
  color: #6A46B3;
  border-radius: 6px;
  cursor: pointer;
}

.tabs {
  margin: 1rem 0;
  padding: 0 2rem;
}

.tab-btn {
  padding: 10px 20px;
  background: #fff;
  border: 1px solid #6A46B3;
  border-radius: 8px;
  margin-right: 10px;
  cursor: pointer;
  color: #6A46B3;
  font-weight: 500;
}

.tab-content {
  display: none;
  padding: 2rem;
}

#home {
  display: block;
}

.switch-buttons {
  margin-bottom: 1rem;
}

.switch-btn {
  padding: 10px 20px;
  margin-right: 10px;
  border: 1px solid #6A46B3;
  color: #6A46B3;
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
}

.embed-frame {
  width: 100%;
  height: calc(100vh - 260px);
  border: none;
  display: none;
}

.fullscreen-iframe {
  position: fixed !important;
  top: 60px;
  left: 0;
  width: 100vw;
  height: calc(100vh - 60px);
  z-index: 999;
  background: white;
  border: none;
}