/**
 * 세컨하우스 B2B 도매몰 - 페이지 전환 효과 CSS
 * 전환 시간: 1.8초
 */

/* 페이지 로드 시 body 내용 숨김 (각인 효과가 먼저 보이도록) */
body {
    overflow: hidden;
}

body > *:not(.dm-page-transition) {
    opacity: 0;
    visibility: hidden;
}

body.dm-page-loaded > *:not(.dm-page-transition) {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

body.dm-page-loaded {
    overflow: auto;
}

/* 페이지 전환 컨테이너 */
.dm-page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    opacity: 1;
    pointer-events: all;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dm-page-transition:not(.active) {
    opacity: 0;
    pointer-events: none;
}

.dm-page-transition.active {
    opacity: 1;
    pointer-events: all;
}

/* 배경 오버레이 - 효과 없이 바로 등장 */
.dm-transition-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #E8E5E0;
    opacity: 1;
}

/* 페이드 아웃 시 배경도 함께 사라짐 */
.dm-page-transition.fade-out .dm-transition-overlay {
    animation: overlayFadeOut 0.2s ease-in forwards;
}

@keyframes overlayFadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* 전환 콘텐츠 */
.dm-transition-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

/* 사각형 컨테이너 */
.dm-transition-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none;
    border: none;
    overflow: hidden;
    transform: scale(1);
    opacity: 1;
}

/* 로고 래퍼 */
.dm-transition-logo-wrapper {
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

/* 로고 이미지 */
.dm-transition-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 텍스트 */
.dm-transition-text {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 500;
    color: #5A5A5A;
    letter-spacing: 2px;
    text-align: center;
    opacity: 0;
    animation: textFadeIn 0.4s ease-out 0.1s forwards;
    will-change: opacity;
}

@keyframes textFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 로딩 스피너 (점 3개) */
.dm-transition-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    opacity: 0;
    animation: loaderFadeIn 0.4s ease-out 0.1s forwards;
}

@keyframes loaderFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.dm-transition-loader-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #5A5A5A;
    opacity: 0.3;
    animation: loaderDotColor 1.4s ease-in-out infinite;
}

.dm-transition-loader-dot:nth-child(1) {
    animation-delay: 0s;
}

.dm-transition-loader-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.dm-transition-loader-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes loaderDotColor {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* 페이드 아웃 */
.dm-page-transition.fade-out {
    animation: fadeOut 0.2s ease-in forwards;
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* 접근성: 애니메이션 감소 선호 */
@media (prefers-reduced-motion: reduce) {
    .dm-page-transition,
    .dm-transition-overlay,
    .dm-transition-circle,
    .dm-transition-logo-wrapper,
    .dm-transition-text {
        animation: none !important;
        transition: none !important;
    }
    
    .dm-page-transition.active {
        opacity: 1;
    }
}

/* 모바일 반응형 (1199px 이하) */
@media (max-width: 1199px) {
    .dm-transition-circle {
        width: 150px !important;
        height: 150px !important;
        border-radius: 50% !important;
    }
    
    .dm-transition-logo-wrapper {
        width: 120px !important;
        height: 120px !important;
    }
    
    .dm-transition-text {
        font-size: 14px !important;
        letter-spacing: 1px !important;
    }
    
    .dm-transition-content {
        gap: 20px !important;
    }
    
    .dm-transition-loader {
        margin-top: 16px !important;
        gap: 8px !important;
    }
    
    .dm-transition-loader-dot {
        width: 8px !important;
        height: 8px !important;
    }
}

/* 작은 모바일 (768px 이하) */
@media (max-width: 768px) {
    .dm-transition-circle {
        width: 130px !important;
        height: 130px !important;
    }
    
    .dm-transition-logo-wrapper {
        width: 100px !important;
        height: 100px !important;
    }
    
    .dm-transition-text {
        font-size: 13px !important;
        letter-spacing: 0.5px !important;
    }
    
    .dm-transition-content {
        gap: 16px !important;
    }
}