body {
  font-family: "Pretendard", "Noto Sans KR", sans-serif;
  background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.signup-container {
  background: #fff;
  padding: 40px 50px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  width: 420px;
  max-width: 90%;
}

h1 {
  text-align: center;
  color: #333;
  margin-bottom: 25px;
  font-size: 1.8rem;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: #444;
}

input,
.form-select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  margin-bottom: 14px;
  font-size: 0.95rem;
  transition: border-color 0.2s;
  background-color: #fff;
}

input:focus,
.form-select:focus {
  border-color: #3b82f6;
  outline: none;
}

button {
  width: 100%;
  padding: 12px;
  border: none;
  background-color: #3b82f6;
  color: #fff;
  font-weight: bold;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.2s ease;
}

button:hover {
  background-color: #2563eb;
}

.footer {
  text-align: center;
  font-size: 0.9rem;
  color: #666;
  margin-top: 15px;
}

.footer a {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 600;
}

.footer a:hover {
  text-decoration: underline;
}