body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', Arial, sans-serif;
  background: #f6f8fa;
  color: #222;
}

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

.sidebar {
  background: #1e293b;
  min-width: 210px;
  padding: 2rem 1rem 2rem 1rem;
  display: flex;
  flex-direction: column;
}

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

.sidebar nav ul li {
  margin-bottom: 1.2rem;
}

.sidebar nav ul li a {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.06rem;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}

.sidebar nav ul li a.active,
.sidebar nav ul li a:hover {
  background: #64748b;
  color: #fff;
}

main {
  flex: 1;
  padding: 3rem 2rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  max-width: 800px;
  margin: auto;
}

header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.profile-img {
  width: 140px;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 2px 8px #0001;
  background: #eee;
}

header h1 {
  margin: 0 0 0.3em 0;
  font-size: 2.1rem;
  color: #0f172a;
}

header h2 {
  margin: 0 0 0.8em 0;
  font-size: 1.1rem;
  color: #475569;
  font-weight: 400;
}

.address {
  color: #636e7b;
  font-size: 0.98em;
  margin-top: 0.8em;
}

.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 12px #0001;
  padding: 1.5em 2em;
  margin-bottom: 2rem;
}

.card h2 {
  margin-top: 0;
  color: #2563eb;
}

.card ul {
  margin: 0.5em 0 0 1.1em;
  padding: 0;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2em;
  list-style: none;
  margin: 0.7em 0 0 0;
  padding: 0;
}

.links li a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.links li a:hover {
  color: #1e40af;
  text-decoration: underline;
}

footer {
  margin-top: 2.5em;
  text-align: center;
  color: #64748b;
  font-size: 0.98em;
}

@media (max-width: 800px) {
  .container {
    flex-direction: column;
  }
  .sidebar {
    flex-direction: row;
    min-width: unset;
    width: 100%;
    padding: 0.5rem 0.5rem;
    justify-content: center;
  }
  .sidebar nav ul {
    display: flex;
    gap: 1.2em;
  }
  main {
    padding: 1.3rem 0.5rem;
    max-width: 100vw;
  }
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
  }
}