* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #f9fafc;
  color: #2c3e50;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrapper {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

header {
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  padding: 48px 20px;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 10px;
}

header p {
  font-size: 1rem;
  color: #6b7280;
}

main {
  flex: 1;
  padding: 32px 0;
}

.input-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}

#cypher {
  flex: 1;
  min-width: 240px;
  max-width: 700px;
  padding: 12px 16px;
  font-size: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  background-color: white;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}

#cypher:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

#reload {
  padding: 12px 20px;
  background-color: #6366f1;
  color: white;
  font-size: 1rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.25s ease, transform 0.2s;
}

#reload:hover {
  background-color: #4f46e5;
  transform: translateY(-1px);
}

#viz {
  width: 100%;
  height: 80vh;
  min-height: 700px;
  background-color: white;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

footer {
  text-align: center;
  padding: 24px 0;
  font-size: 0.9rem;
  color: #6b7280;
  background-color: #ffffff;
  border-top: 1px solid #e5e7eb;
}