:root {
  /* 폰트 스택 */
  --font-sans: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic",
                "Segoe UI", Roboto, "Helvetica Neue", Arial,
                "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  --font-serif: "Noto Serif KR", "Apple SD Gothic Neo", "Malgun Gothic",
                Georgia, "Times New Roman", serif;
  --text: #333333;  /* dark gray */ 
}

html, body {
  height: 100%;
  overflow: hidden; /* 스크롤 완전 제거 (필요 시) */
  margin: 0;
  padding: 0;
}

.bg-img {
  position: relative;
  width: 100%;
  height: 100dvh;   모바일에서도 실제 보이는 화면 높이
  min-height: 100%;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

/* 헤딩/문단/리스트가 상속받도록 보조 */
h1, h2, h3, h4, h5, h6,
p, li, td, th, input, button, select, textarea {
  color: inherit;
  font-family: inherit;
  font-size: inherit;
}

.bg-img{
    height: 100vh;
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    /* background: url('/assets/images/BG_login07.jpg'); */
	/* background-color: rgba(0, 0, 0, 0.6); */
}
.bg-img::after{
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
}
.content{
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 999;
    text-align: center;
    padding: 40px 40px;
    width: auto;
    transform: translate(-50%, -50%);
    background:#202a3a;
    border-radius: 15px;    
    box-shadow: -1px 4px 28px 0px rgba(0, 0, 0, 0.75);
}
.content header{
    color: white;
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 35px;
}
.field{
    position: relative;
    height: 45px;
    width: 100%;
    display: flex;
    margin-bottom:10px;
    background: #f0f1f1e6;
    border-radius: 6px;
}
.field i{
    color: #222;
    width: 40px;
    line-height: 45px;
}
.field input{
    height: 100%;
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: #222;
    font-size: 16px;
}
.space{
    margin-top: 15px;
}
.pass{
    text-align: left;
    margin: 10px 0;
}
.pass a{
    font-size: 13px;
    color: white;
    text-decoration: none;
}
.pass a:hover{
    text-decoration: underline;
}
.field input[type="text"]{
    border-radius: 7px; 
}
.field input[type="submit"]{
    background: #6e9df3;
    border: 1px solid #5489eb;
    color: white;
    font-size: 18px;
    letter-spacing: 1px;
    font-weight: 600;
    cursor: pointer;
}
.field input[type="submit"]:hover{
    background: #5885da;
}
.login{
    color: white;
    margin: 20px 0px;
}
.links{
    display: flex;
    cursor: pointer;
    color: white;
    margin-bottom: 20px;
}
.captcha-string {
    height:35px;
    width:120px;
    margin: 8px 15px;
    padding-bottom: 8px;
    color: white;
    font-size: 1.3em;
    font-weight: 600;
    background-color: brown;
    border-radius: 4px; 
}
.captcha-input {
    margin:auto;
    width:140px;
}
.captcha-input input[type="text"]{
    height:25px;
    font-size:14px;
    text-align: center;
    background-color: #efefef;}

/* flex 비율 */
.flex-4 { flex: 4; }
.flex-2 { flex: 2; }

/* 새로고침 버튼 */
.refresh-btn {
  border: 0; 
  color: white;
  font-size: 18px;
  border-radius: 6px;
  cursor: pointer;
}

/* 기존 캡차 스타일 유지 */
.captcha-string {
    height: 35px;
    width: 100%;
    margin: 8px 0;
    color: white;
    font-size: 1.3em;
    font-weight: 600;
    background-color: brown;
    border-radius: 4px; 
    line-height: 35px;
    text-align: center;
}