/* ============================================
   히어로 섹션
   ============================================ */
.hero-section {
    position: relative;
    width: 100%;
    height: auto;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.08), rgba(16, 185, 129, 0.05));
    border-bottom: 1px solid var(--color-border-light);
}

.hero-image-wrap {
    position: absolute;
    inset: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.1) 0%,
        rgba(0, 0, 0, 0.15) 40%,
        rgba(0, 0, 0, 0.65) 100%
    );
}

.hero-content {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 32px 40px;
    gap: 20px;
}

.hero-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    transition: all 0.2s;
    align-self: flex-start;
}

.hero-back-link:hover {
    background: var(--color-surface-elevated);
    color: var(--color-text-primary);
    border-color: var(--color-accent);
}

.hero-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    background: var(--gradient-primary);
    color: #fff;
}

.hero-badge.agency {
    background: var(--color-surface-elevated);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-light);
}

.hero-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-text-primary);
    margin: 0;
    line-height: 1.3;
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.hero-meta-item svg {
    color: var(--color-text-tertiary);
}

/* ============================================
   메인 레이아웃
   ============================================ */
.sale-detail-section {
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 32px 48px;
}

.sale-detail-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 32px;
    align-items: start;
}

.sale-detail-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ============================================
   핵심 정보 카드
   ============================================ */
.info-highlight-card {
    background: var(--color-surface);
    border-radius: 16px;
    padding: 28px 32px;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    margin-top: -60px;
    position: relative;
    z-index: 2;
}

.info-highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
}

.info-highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.info-highlight-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1), rgba(16, 185, 129, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-accent);
}

.info-highlight-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.info-highlight-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-tertiary);
    letter-spacing: 0.02em;
}

.info-highlight-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.info-highlight-value.inquiry {
    color: var(--color-accent);
    font-size: 13px;
}

/* ============================================
   콘텐츠 섹션 공통
   ============================================ */
.sale-section {
    background: var(--color-surface);
    border-radius: 16px;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.sale-section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 28px;
    border-bottom: 1px solid var(--color-border-light);
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.03), rgba(16, 185, 129, 0.02));
}

.sale-section-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
}

.sale-section-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.sale-section-body {
    padding: 24px 28px;
}

/* 상품 설명 */
.sale-description {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    white-space: pre-line;
}

/* ============================================
   이미지 갤러리
   ============================================ */
.sale-image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
}

.sale-gallery-image {
    width: 100%;
    border-radius: 12px;
    object-fit: cover;
    aspect-ratio: 4/3;
    border: 1px solid var(--color-border-light);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.sale-gallery-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

/* ============================================
   상세이미지 세로 나열
   ============================================ */
.detail-image-body {
    padding: 0 !important;
}

.detail-image-vertical {
    display: flex;
    flex-direction: column;
}

.detail-vertical-image {
    width: 100%;
    display: block;
    object-fit: contain;
}

/* ============================================
   일정
   ============================================ */
.sale-itinerary-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.sale-itinerary-list::before {
    content: '';
    position: absolute;
    left: 22px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), rgba(20, 184, 166, 0.15));
    border-radius: 1px;
}

.sale-itinerary-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    position: relative;
}

.sale-itinerary-item + .sale-itinerary-item {
    border-top: 1px solid var(--color-border-light);
}

.itinerary-day-badge {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    box-shadow: 0 2px 8px rgba(20, 184, 166, 0.3);
}

.itinerary-content {
    flex: 1;
    min-width: 0;
    padding-top: 4px;
}

.itinerary-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 6px;
}

.itinerary-desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 10px;
    white-space: pre-line;
}

.itinerary-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.itinerary-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    background: var(--color-surface-elevated);
    border-radius: 6px;
    border: 1px solid var(--color-border-light);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.itinerary-tag svg {
    color: var(--color-accent);
}

/* ============================================
   영상
   ============================================ */
.sale-video-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sale-video-item {
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    box-shadow: var(--shadow-md);
}

.sale-video-item video {
    width: 100%;
    display: block;
    max-height: 540px;
}

/* ============================================
   추가 정보
   ============================================ */
.sale-extra-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sale-extra-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sale-extra-item + .sale-extra-item {
    padding-top: 20px;
    border-top: 1px solid var(--color-border-light);
}

.sale-extra-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.sale-extra-label svg {
    color: var(--color-accent);
}

.sale-extra-value {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    white-space: pre-line;
    padding-left: 20px;
}

/* ============================================
   우측 사이드바
   ============================================ */
.sale-sidebar {
    position: sticky;
    top: 90px;
    z-index: 10;
}

.sale-sidebar-inner {
    background: var(--color-surface);
    border-radius: 20px;
    padding: 28px;
    border: 1px solid var(--color-border-light);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-price-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-price-badge {
    display: inline-flex;
    align-self: flex-start;
    padding: 3px 10px;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.12), rgba(16, 185, 129, 0.12));
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 700;
    border-radius: 6px;
    letter-spacing: 0.02em;
}

.sidebar-main-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    flex-wrap: wrap;
}

.sidebar-main-price-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.sidebar-main-price-label {
    font-size: 13px;
    color: var(--color-text-tertiary);
}

/* 커스텀 셀렉트 */
.sidebar-selects {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.custom-select {
    position: relative;
}

.custom-select-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.custom-select.open .custom-select-trigger,
.custom-select-trigger:hover {
    border-color: var(--color-accent);
    background: var(--color-surface);
}

.custom-select-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-tertiary);
    white-space: nowrap;
    min-width: 42px;
}

.custom-select-value {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: right;
}

.custom-select-value.selected {
    color: var(--color-text-primary);
}

.custom-select-arrow {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    transition: transform 0.2s;
}

.custom-select.open .custom-select-arrow {
    transform: rotate(180deg);
}

.custom-select-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    z-index: 50;
    overflow: hidden;
    animation: selectFadeIn 0.15s ease;
}

.custom-select.open .custom-select-dropdown {
    display: block;
}

@keyframes selectFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.custom-select-option {
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.custom-select-option:hover {
    background: var(--color-surface-elevated);
    color: var(--color-text-primary);
}

.custom-select-option.active {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.08), rgba(16, 185, 129, 0.08));
    color: var(--color-accent);
    font-weight: 600;
}

.custom-select-option + .custom-select-option {
    border-top: 1px solid var(--color-border-light);
}

.sidebar-divider {
    height: 1px;
    background: var(--color-border-light);
}

.sale-sidebar-price {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-price-label {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.sidebar-price-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* 인원 선택 */
.sale-sidebar-people, .modal-people {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px 0;
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}

.people-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.people-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
}

.people-counter {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border-light);
    border-radius: 10px;
    overflow: hidden;
}

.counter-btn {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-elevated);
    border: none;
    cursor: pointer;
    font-size: 18px;
    color: var(--color-text-secondary);
    transition: all 0.15s;
}

.counter-btn:hover {
    background: var(--color-border-light);
    color: var(--color-text-primary);
}

.counter-btn:active {
    transform: scale(0.95);
}

.counter-input {
    width: 48px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--color-border-light);
    border-right: 1px solid var(--color-border-light);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    background: transparent;
    outline: none;
    -moz-appearance: textfield;
}

.counter-input::-webkit-inner-spin-button,
.counter-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* 합계 */
.sale-sidebar-total {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 4px;
}

.total-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.total-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: -0.02em;
}

/* 결제 버튼 */
.sale-pay-btn {
    width: 100%;
    padding: 16px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    box-shadow: 0 4px 16px rgba(20, 184, 166, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.sale-pay-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.4);
}

.sale-pay-btn:active {
    transform: translateY(0);
}

/* 신뢰 정보 */
.sidebar-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.trust-item svg {
    color: var(--color-accent);
}

/* ============================================
   모바일 하단 바
   ============================================ */
.sale-mobile-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border-light);
    padding: 12px 20px;
    z-index: 100;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}

.mobile-bar-price {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mobile-bar-label {
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.mobile-bar-value {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.mobile-bar-btn {
    padding: 14px 32px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.3);
}

.mobile-bar-btn:active {
    transform: scale(0.97);
}

/* ============================================
   모바일 결제 모달
   ============================================ */
.sale-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    align-items: flex-end;
    justify-content: center;
}

.sale-modal-overlay.active {
    display: flex;
}

.sale-modal {
    background: var(--color-surface);
    border-radius: 24px 24px 0 0;
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideUp 0.3s var(--ease-smooth);
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.sale-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 12px;
    border-bottom: 1px solid var(--color-border-light);
}

.sale-modal-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.sale-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 8px;
    transition: background 0.2s;
}

.sale-modal-close:hover {
    background: var(--color-surface-elevated);
}

.sale-modal-body {
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-price-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sale-modal-footer {
    padding: 16px 24px 28px;
}

/* ============================================
   반응형
   ============================================ */
@media (max-width: 960px) {
    .sale-detail-layout {
        grid-template-columns: 1fr;
    }

    .sale-sidebar {
        display: none;
    }

    .sale-mobile-bar {
        display: flex;
    }

    .sale-detail-section {
        padding-bottom: 100px;
    }
}

@media (max-width: 768px) {
    .hero-content {
        padding: 24px 16px 32px;
    }

    .hero-title {
        font-size: 22px;
    }

    .hero-meta {
        gap: 12px;
    }

    .hero-meta-item {
        font-size: 13px;
    }

    .sale-detail-section {
        padding: 24px 16px 100px;
    }

    .info-highlight-card {
        padding: 20px;
        margin-top: -40px;
    }

    .info-highlight-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .sale-section-header {
        padding: 16px 20px;
    }

    .sale-section-body {
        padding: 20px;
    }

    .sale-image-gallery {
        grid-template-columns: 1fr;
    }

    .sale-itinerary-list::before {
        left: 18px;
    }

    .itinerary-day-badge {
        width: 36px;
        height: 36px;
        font-size: 9px;
    }

    .sale-extra-value {
        padding-left: 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 20px;
    }

    .info-highlight-grid {
        grid-template-columns: 1fr;
    }

    .info-highlight-item {
        padding: 8px 0;
    }
}