/* 공통 스타일 */
body {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    color: #333;
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* 로그인 카드 스타일 */
.login-card {
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    background-color: #fff;
    transition: transform 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
}

.login-header {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
}

.login-header h1 {
    color: #fff;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin-bottom: 0;
}

.login-body {
    padding: 2.5rem;
}

.login-welcome {
    text-align: center;
    margin-bottom: 2rem;
}

.login-welcome h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.login-welcome p {
    color: #6c757d;
    margin-bottom: 0;
}

/* 폼 스타일 - 수정된 부분 */
.input-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.input-group-text {
    background-color: #f8f9fa;
    border-right: none;
    border-top-left-radius: 0.5rem;
    border-bottom-left-radius: 0.5rem;
    color: #6c757d;
    padding: 0.75rem 1rem;
}

.input-group .form-control {
    border-left: none;
    border-top-right-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
    padding: 0.75rem 1rem;
    height: calc(3.5rem);
}

.input-group .form-control:focus {
    box-shadow: none;
    border-color: #dee2e6;
}

.input-group:focus-within .input-group-text {
    border-color: #0d6efd;
    color: #0d6efd;
}

.input-group:focus-within .form-control {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-label {
    font-weight: 500;
    color: #495057;
    margin-bottom: 0.5rem;
}

/* 버튼 스타일 */
.btn-login {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.3s;
    height: 3.5rem;
    margin-top: 1rem;
}

.btn-login:hover {
    background: linear-gradient(135deg, #0a58ca 0%, #084298 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3);
}

/* 회원가입 링크 */
.register-link {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e9ecef;
}

.register-link p {
    color: #6c757d;
    margin-bottom: 0.5rem;
}

.register-link a {
    color: #0d6efd;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.register-link a:hover {
    color: #0a58ca;
    text-decoration: underline;
}

/* 에러 메시지 */
.login-error {
    background-color: #f8d7da;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1.5rem;
    color: #842029;
    font-size: 0.875rem;
    text-align: center;
    border-left: 4px solid #dc3545;
}

/* 로고 스타일 */
.login-logo {
    width: 80px;
    height: 80px;
    background-color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.login-logo i {
    font-size: 2.5rem;
    color: #0d6efd;
}

/* 반응형 조정 */
@media (max-width: 768px) {
    .login-body {
        padding: 2rem 1.5rem;
    }

    .login-header {
        padding: 2rem 1.5rem;
    }
}