@import url('https://fonts.googleapis.com/css?family=Poppins:400,500,600,700,800,900');

body {
    font-family: 'Poppins', sans-serif;
    font-weight: 300;
    font-size: 15px;
    line-height: 1.7;
    color: #c4c3ca;
    background-color: #1f2029;
    overflow-x: hidden;
    height: 100vh;
}

a {
    cursor: pointer;
    transition: all 200ms linear;
}

a:hover {
    text-decoration: none;
}

/* --- [수정] 상단 컨트롤 UI 박스 스타일 (카드 디자인과 통일) --- */
.main-ui-wrapper {
    /* 배경을 카드와 동일한 다크 테마로 변경 */
    background-color: #2a2b38; 
    background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/1462889/pat.svg');
    background-position: bottom center;
    background-repeat: no-repeat;
    background-size: 300%;
    
    border-radius: 6px;
    padding: 25px 0 15px 0;    /* 콤팩트한 높이 유지 */
    width: 100%;
    max-width: 440px;
    margin: 0 auto 20px auto;  /* 카드와의 간격 */
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3); /* 그림자 조금 더 진하게 */
    position: relative;
    z-index: 10;
}

/* [수정] 제목 색상 (어두운 배경이므로 밝은색/노란색 포인트) */
.ui-title {
    font-weight: 800;
    color: #ffeba7; /* 포인트 컬러(노란색) 사용 */
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

p {
    font-weight: 500;
    font-size: 14px;
    line-height: 1.7;
}

h4 {
    font-weight: 600;
    color: #fff;
}

/* [수정] 일반/관리 라벨 텍스트 색상 */
h6 span {
    padding: 0 20px;
    text-transform: uppercase;
    font-weight: 700;
    font-size: 1.2rem;
    color: #fff; /* 흰색으로 변경 */
}

.section {
    position: relative;
    width: 100%;
    display: block;
}

.full-height {
    min-height: 100vh;
}

[type="checkbox"]:checked,
[type="checkbox"]:not(:checked) {
    position: absolute;
    left: -9999px;
}

/* [수정] 토글 스위치 트랙 (어두운 배경 위라 노란색이 잘 보임) */
.checkbox:checked+label,
.checkbox:not(:checked)+label {
    position: relative;
    display: block;
    text-align: center;
    width: 60px;
    height: 16px;
    border-radius: 8px;
    padding: 0;
    margin: 10px auto;
    cursor: pointer;
    background-color: #ffeba7; /* 노란색 트랙 */
}

/* [수정] 토글 스위치 원형 버튼 */
.checkbox:checked+label:before,
.checkbox:not(:checked)+label:before {
    position: absolute;
    display: block;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: #ffeba7;          /* 아이콘 색상 (노란색) */
    background-color: #102770; /* 버튼 배경 (남색) - 대비 효과 */
    font-family: 'unicons';
    content: '\eb4f';
    z-index: 20;
    top: -10px;
    left: -10px;
    line-height: 36px;
    text-align: center;
    font-size: 24px;
    transition: all 0.5s ease;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

.checkbox:checked+label:before {
    transform: translateX(44px) rotate(-270deg);
}

/* --- 3D 카드 래퍼 --- */
.card-3d-wrap {
    position: relative;
    width: 440px;
    max-width: 100%;
    height: 300px;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    perspective: 800px;
    margin-top: 0;
}

.card-3d-wrapper {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    transition: all 600ms ease-out;
}

.card-front,
.card-back {
    width: 100%;
    height: 100%;
    background-color: #2a2b38;
    background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/1462889/pat.svg');
    background-position: bottom center;
    background-repeat: no-repeat;
    background-size: 300%;
    position: absolute;
    border-radius: 6px;
    left: 0;
    top: 0;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    -o-backface-visibility: hidden;
    backface-visibility: hidden;
}

.card-back {
    transform: rotateY(180deg);
}

.center-wrap {
    position: absolute;
    width: 100%;
    padding: 0 35px;
    top: 50%;
    left: 0;
    transform: translate3d(0, -50%, 35px) perspective(100px);
    z-index: 20;
    display: block;
}

.form-group {
    position: relative;
    display: block;
    margin: 0;
    padding: 0;
}

.form-style {
    padding: 13px 20px;
    padding-left: 55px;
    height: 48px;
    width: 100%;
    font-weight: 500;
    border-radius: 4px;
    font-size: 14px;
    line-height: 22px;
    letter-spacing: 0.5px;
    outline: none;
    color: #c4c3ca;
    background-color: #1f2029;
    border: none;
    transition: all 200ms linear;
    box-shadow: 0 4px 8px 0 rgba(21, 21, 21, .2);
}

.form-style:focus,
.form-style:active {
    border: none;
    outline: none;
    box-shadow: 0 4px 8px 0 rgba(21, 21, 21, .2);
}

.input-icon {
    position: absolute;
    top: 0;
    left: 18px;
    height: 48px;
    font-size: 24px;
    line-height: 48px;
    text-align: left;
    color: #ffeba7;
    transition: all 200ms linear;
}

.form-group input:focus + .input-icon {
    color: #00BFFF;
}

.btn {
    border-radius: 4px;
    height: 44px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    transition: all 200ms linear;
    padding: 0 30px;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: none;
    background-color: #ffeba7;
    color: #102770;
    box-shadow: 0 8px 24px 0 rgba(255, 235, 167, .2);
    cursor: pointer;
    width: 100%;
}

.btn:active,
.btn:focus {
    background-color: #102770;
    color: #ffeba7;
    box-shadow: 0 8px 24px 0 rgba(16, 39, 112, .2);
}

.btn:hover {
    background-color: #102770;
    color: #ffeba7;
    box-shadow: 0 8px 24px 0 rgba(16, 39, 112, .2);
}