body {
  font-family: 'Pretendard', sans-serif;
  background-color: #f5f4ff;
  margin: 0;
  padding: 0;
}

header {
  background-color: white;
  border-bottom: 1px solid #ddd;
  padding: 15px 40px;
  display: flex;
  align-items: center;
}

header img {
  height: 26px;
  margin-right: 8px;
}

header h1 {
  color: #20277A;
  font-size: 22px;
  font-weight: bold;
}

.signIn-container {
  max-width: 400px;
  margin: 100px auto;
  padding: 40px;
  background-color: #f5f4ff;
  text-align: center;
  height: 500px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

label {
  text-align: left;
  font-weight: bold;
  margin-bottom: 5px;
}

input {
  height: 40px;
  border-radius: 8px;
  border: 1px solid #ccc;
  padding: 0 10px;
  font-size: 15px;
}

button {
  height: 45px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
}

.login-btn {
  background-color: #6675ff;
  color: white;
}

.google-btn {
  background-color: #7083ff;
  color: white;
}

.join-section {
  margin-top: 20px;
  font-size: 14px;
}

.join-section a {
  color: #20277A;
  font-weight: bold;
  text-decoration: none;
}

.join-section a:hover {
  text-decoration: underline;
}

/* 알림 */
.alert {
  padding: 12px 14px;
  border-radius: 10px;
  margin: 0 0 12px 0;
  font-size: 14px;
  line-height: 1.4;
}

.alert--error {
  background: #fff0f0;
  color: #c62828;
  border: 1px solid #ffd7d7;
}

.alert--info {
  background: #f0f8ff;
  color: #1565c0;
  border: 1px solid #d6ecff;
}