form label {
    display: block;
    margin-bottom: 6px;
    font-size: 16px;
    font-weight: bold;
}

form input[type="text"],
form input[type="password"],
form input[type="submit"],
form button {
    margin-bottom: 10px;
    padding: 8px;
    font-size: 16px;
    height: 40px;
    box-sizing: border-box;
}

#submit-button {
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
}

#submit-button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}
#username, 
#username + button {
    vertical-align: middle;
    height: 40px; /* 입력창 높이에 맞추기 */
    box-sizing: border-box;
}

#username + button {
    margin-left: 8px; /* 입력창과 버튼 사이 간격 살짝 추가 (선택사항) */
    padding: 0 16px; /* 버튼 내부 여백 */
    font-size: 16px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#username + button:hover {
    background-color: #0056b3;
}

.custom-alert {
    position: fixed;
    top: 100px; 
    left: 50%; 
    transform: translate(-50%);
    background-color: #f44336; /* 빨간색 (경고) */
    color: white;
    padding: 16px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    animation: fadeInOut 3s forwards;
}

.password-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.toggle-password {
  position: absolute;
  right: 1250px;
  top: 35%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  user-select: none;
}

@keyframes fadeInOut {
    0% { opacity: 0; transform: translateY(-20px); }
    10% { opacity: 1; transform: translateY(0); }
    90% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(-20px); }
}