body {
  font-family: Inter, sans-serif;
  background: #0f172a;
  color: #e5e7eb;
  margin: 0;
}

.card {
  width: 300px;
  margin: 120px auto;
  background: #020617;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
}

input, textarea, select {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  border-radius: 6px;
  border: none;
}

button {
  margin-top: 12px;
  padding: 10px;
  width: 100%;
  background: #6366f1;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.hidden { display: none; }

header {
  padding: 20px;
  background: #020617;
}

.grid {
  display: flex;
  gap: 20px;
  padding: 20px;
}

.box {
  background: #020617;
  padding: 20px;
  border-radius: 12px;
  margin: 20px;
}

#chat {
  height: 200px;
  overflow-y: auto;
  background: #0f172a;
  padding: 10px;
  border-radius: 6px;
}