body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
}

.wrapper {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 80px;
  background-color: #1e1e2f;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 2rem;
}

.sidebar nav ul {
  list-style: none;
  padding: 0;
}

.sidebar nav ul li {
  margin: 1rem 0;
}

.sidebar nav ul li a {
  color: #fff;
  font-size: 1.5rem;
  text-decoration: none;
}

.main-content {
  flex: 1;
  padding: 2rem;
  transition: background 0.3s ease;
}

.theme-selector {
  margin-bottom: 2rem;
}

.profile {
  text-align: center;
}

.profile-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
}

.title {
  font-size: 1.2rem;
}

/* brand */
.branding {
  text-align: center;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.brand-main {
  font-weight: 700;
  font-size: 2.5rem;
  color: #222;
}

.brand-accent {
  font-weight: 700;
  font-size: 2.5rem;
  color: #27ae60;
  margin-left: 0.3rem;
}

.brand-line {
  width: 80px;
  height: 4px;
  background-color: #27ae60;
  margin: 0.5rem auto 1rem;
  border-radius: 2px;
}

.tagline {
  font-size: 1rem;
  color: #777;
}

.theme-card.active-theme {
  border: 2px solid #00c853;
  box-shadow: 0 0 10px rgba(0, 200, 83, 0.5);
}