/**
 * 광고 시스템 최적화 스타일
 * PC & 모바일 반응형 디자인
 */

/* ========================================
   팝업 광고 스타일
   ======================================== */

.ad-popup-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    animation: adFadeIn 0.3s ease-out;
}

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

.ad-popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.ad-popup-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #ffffff;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: adSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes adSlideUp {
    from {
        opacity: 0;
        transform: translate(-50%, -45%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.ad-popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(0, 0, 0, 0.6);
    color: #ffffff;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.ad-popup-close:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: rotate(90deg) scale(1.1);
}

.ad-popup-header {
    padding: 24px 60px 20px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
}

.ad-popup-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
}

.ad-popup-body {
    max-height: calc(90vh - 160px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.ad-popup-body::-webkit-scrollbar {
    width: 8px;
}

.ad-popup-body::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.ad-popup-body::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.ad-popup-body::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

.ad-popup-image-wrapper {
    position: relative;
    overflow: hidden;
}

.ad-popup-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.ad-popup-image-wrapper a:hover img {
    transform: scale(1.02);
}

.ad-popup-content {
    padding: 28px;
    font-size: 15px;
    line-height: 1.8;
    color: #333333;
}

.ad-popup-content p {
    margin: 0 0 16px 0;
}

.ad-popup-content p:last-child {
    margin-bottom: 0;
}

.ad-popup-action {
    padding: 0 28px 28px;
}

.ad-popup-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.ad-popup-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.ad-popup-footer {
    padding: 18px 24px;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.ad-popup-checkbox {
    font-size: 14px;
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #495057;
    font-weight: 500;
}

.ad-popup-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #667eea;
}

.ad-popup-btn-close {
    padding: 10px 24px;
    background: #6c757d;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
}

.ad-popup-btn-close:hover {
    background: #5a6268;
    transform: translateY(-1px);
}

/* ========================================
   배너 광고 스타일
   ======================================== */

.ad-banner-container {
    margin: 24px auto;
    max-width: 1200px;
    padding: 0 16px;
}

.ad-banner-item {
    margin: 20px 0;
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.ad-banner-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.ad-banner-label {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.7);
    color: #ffffff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 6px;
    z-index: 2;
    letter-spacing: 0.5px;
    backdrop-filter: blur(4px);
}

.ad-banner-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.ad-banner-image-wrapper {
    position: relative;
    overflow: hidden;
    background: #f8f9fa;
}

.ad-banner-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.ad-banner-link:hover .ad-banner-image-wrapper img {
    transform: scale(1.05);
}

.ad-banner-title {
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 600;
    color: #212529;
    background: #ffffff;
    border-top: 1px solid #f1f3f5;
}

/* ========================================
   위치별 배너 스타일
   ======================================== */

/* 상단 배너 */
.ad-banner-top .ad-banner-item {
    max-width: 1200px;
    margin: 20px auto;
}

/* 사이드바 배너 */
.ad-banner-sidebar .ad-banner-item {
    max-width: 300px;
    margin: 16px 0;
}

/* 콘텐츠 내 배너 */
.ad-banner-content .ad-banner-item {
    max-width: 728px;
    margin: 24px auto;
}

/* 하단 배너 */
.ad-banner-bottom .ad-banner-item {
    max-width: 1200px;
    margin: 20px auto;
}

/* ========================================
   반응형 디자인 (태블릿)
   ======================================== */

@media (max-width: 768px) {
    .ad-popup-container {
        width: 95%;
        max-height: 95vh;
        border-radius: 16px;
    }
    
    .ad-popup-header {
        padding: 20px 56px 16px 20px;
    }
    
    .ad-popup-header h3 {
        font-size: 1.25rem;
    }
    
    .ad-popup-close {
        width: 36px;
        height: 36px;
        top: 12px;
        right: 12px;
    }
    
    .ad-popup-content {
        padding: 20px;
        font-size: 14px;
    }
    
    .ad-popup-action {
        padding: 0 20px 20px;
    }
    
    .ad-popup-btn {
        width: 100%;
        justify-content: center;
        padding: 12px 24px;
    }
    
    .ad-popup-footer {
        padding: 14px 16px;
        flex-direction: column;
        gap: 12px;
    }
    
    .ad-popup-checkbox {
        font-size: 13px;
    }
    
    .ad-popup-btn-close {
        width: 100%;
        padding: 12px;
    }
    
    /* 배너 */
    .ad-banner-container {
        padding: 0 12px;
        margin: 20px auto;
    }
    
    .ad-banner-item {
        margin: 16px 0;
        border-radius: 12px;
    }
    
    .ad-banner-label {
        top: 10px;
        left: 10px;
        padding: 3px 8px;
        font-size: 10px;
    }
    
    .ad-banner-title {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .ad-banner-sidebar .ad-banner-item {
        max-width: 100%;
    }
}

/* ========================================
   반응형 디자인 (모바일)
   ======================================== */

@media (max-width: 480px) {
    .ad-popup-header h3 {
        font-size: 1.1rem;
    }
    
    .ad-popup-content {
        padding: 16px;
        font-size: 13px;
    }
    
    .ad-banner-container {
        padding: 0 8px;
    }
    
    .ad-banner-item {
        border-radius: 10px;
    }
}

/* ========================================
   다크모드 지원
   ======================================== */

@media (prefers-color-scheme: dark) {
    .ad-popup-container {
        background: #1e1e1e;
    }
    
    .ad-popup-content {
        color: #e0e0e0;
    }
    
    .ad-popup-footer {
        background: #2a2a2a;
        border-top-color: #3a3a3a;
    }
    
    .ad-popup-checkbox {
        color: #b0b0b0;
    }
    
    .ad-banner-item {
        background: #1e1e1e;
    }
    
    .ad-banner-title {
        background: #1e1e1e;
        color: #e0e0e0;
        border-top-color: #3a3a3a;
    }
}

/* ========================================
   접근성 개선
   ======================================== */

.ad-popup-close:focus,
.ad-popup-btn:focus,
.ad-popup-btn-close:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

.ad-banner-link:focus {
    outline: 2px solid #667eea;
    outline-offset: 4px;
    border-radius: 16px;
}

/* 애니메이션 감소 설정 */
@media (prefers-reduced-motion: reduce) {
    .ad-popup-wrapper,
    .ad-popup-container,
    .ad-banner-item,
    .ad-popup-close,
    .ad-popup-btn,
    .ad-banner-image-wrapper img {
        animation: none;
        transition: none;
    }
}

/* ========================================
   인쇄 시 광고 숨김
   ======================================== */

@media print {
    .ad-popup-wrapper,
    .ad-banner-container {
        display: none !important;
    }
}