/* ============================================================
   buy-car.css - 차량 목록 페이지 전용 스타일
   ============================================================ */

/* ===== 페이지 헤더 ===== */
.page-header {
    background: var(--color-bg-dark);
    padding: 28px 0 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.page-header-title {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.page-header-sub {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.5);
}


/* ===== 전체 레이아웃 ===== */
.buycar-wrap {
    padding: var(--spacing-lg) 0 var(--spacing-2xl);
    background: var(--color-bg-secondary);
    min-height: 60vh;
}

/* 모바일: 단일 컬럼 */
.buycar-layout {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}


/* ===== 필터 사이드바 (PC 전용) ===== */
.filter-sidebar {
    display: none; /* 모바일에서 숨김 */
}

.filter-sidebar-inner {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    position: sticky;
    top: calc(var(--header-height) + 56px + 16px); /* sticky-header 높이만큼 */
}

.filter-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.filter-sidebar-header strong {
    font-size: var(--font-size-md);
    font-weight: 700;
}

.filter-reset {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-decoration: underline;
    transition: color var(--transition);
}
.filter-reset:hover { color: var(--color-danger); }


/* ===== 필터 공통 ===== */
.filter-group {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}
.filter-group:last-of-type { border-bottom: none; }

.filter-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

/* 필터 칩 (라디오/체크박스) */
.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    user-select: none;
}

.filter-chip input[type="radio"],
.filter-chip input[type="checkbox"] {
    display: none; /* 실제 input 숨기고 label 스타일만 사용 */
}

.filter-chip:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-chip.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #1a1a1a;
    font-weight: 700;
}

/* 토글 칩 (비대면 가능만) */
.filter-chip-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.filter-chip-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.filter-chip-toggle span {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

/* 범위 필터 (가격, 연식) */
.filter-range-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-range-row .form-control {
    flex: 1;
    min-width: 0;
}

.filter-range-sep {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    flex-shrink: 0;
}

/* 검색박스 */
.filter-search-box { position: relative; }


/* ===== 차량 목록 영역 ===== */
.car-list-area {
    flex: 1;
    min-width: 0;
}

/* 툴바 */
.list-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.list-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.list-count strong {
    color: var(--color-primary);
    font-weight: 800;
}

.list-keyword-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--color-primary-bg);
    border: 1px solid rgba(232,184,75,0.3);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    padding: 3px 8px;
    border-radius: var(--radius-full);
}

.list-keyword-badge a {
    color: var(--color-primary);
    font-weight: 700;
    margin-left: 2px;
}

.list-toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* 모바일 필터 열기 버튼 */
.btn-filter-open {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-dark);
    background: var(--color-bg-card);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    position: relative;
    transition: all var(--transition);
}
.btn-filter-open:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: var(--color-primary);
    color: #1a1a1a;
    font-size: 10px;
    font-weight: 800;
    border-radius: 50%;
}

/* 정렬 셀렉트 */
.sort-select {
    padding: 8px 32px 8px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-dark);
    background: var(--color-bg-card);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    transition: border-color var(--transition);
}
.sort-select:focus {
    outline: none;
    border-color: var(--color-primary);
}


/* ===== 모바일 필터 패널 (하단 슬라이드) ===== */
.filter-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 300;
}
.filter-overlay.show { display: block; }

.filter-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    border-radius: 20px 20px 0 0;
    z-index: 301;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.filter-panel.open {
    transform: translateY(0);
}

.filter-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.filter-panel-header strong {
    font-size: var(--font-size-md);
    font-weight: 700;
}

.filter-panel-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    border: none;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}
.filter-panel-close:hover { background: var(--color-border); }

.filter-panel-body {
    overflow-y: auto;
    padding: var(--spacing-md) var(--spacing-lg);
    flex: 1;
    -webkit-overflow-scrolling: touch;
}

.filter-panel-footer {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
    padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
}

.filter-panel-footer .btn {
    flex: 1;
}


/* ===== form-control-sm (필터 내 작은 input) ===== */
.form-control-sm {
    padding: 8px 12px;
    font-size: var(--font-size-xs);
}


/* ============================================================
   반응형
   ============================================================ */

/* 태블릿 768px */
@media (min-width: 768px) {
    .page-header { padding: 36px 0 28px; }
    .page-header-title { font-size: 30px; }
    .buycar-wrap { padding: var(--spacing-xl) 0 var(--spacing-2xl); }
}

/* PC 1024px: 사이드바 + 목록 2단 레이아웃 */
@media (min-width: 1024px) {
    .buycar-layout {
        flex-direction: row;
        align-items: flex-start;
        gap: var(--spacing-xl);
    }

    /* 사이드바 표시 */
    .filter-sidebar {
        display: block;
        width: 240px;
        flex-shrink: 0;
    }

    /* 모바일 필터 버튼 숨김 */
    .btn-filter-open { display: none; }
}


/* ============================================================
   브랜드 그리드 (제조사 선택)
   ============================================================ */

/* 전체 브랜드 버튼 */
.brand-all-row {
    margin-bottom: 10px;
}

.brand-all-btn {
    width: 100%;
    padding: 7px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}
.brand-all-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.brand-all-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #1a1a1a;
    font-weight: 700;
}

/* 브랜드 그리드: 3열 */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

/* 브랜드 아이템 버튼 */
.brand-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 8px 4px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    position: relative;
}

.brand-item:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
    transform: translateY(-1px);
}

.brand-item.active {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
    box-shadow: 0 0 0 2px rgba(232,184,75,0.3);
}

/* 활성 체크 표시 */
.brand-item.active::after {
    content: '✓';
    position: absolute;
    top: 3px;
    right: 5px;
    font-size: 9px;
    font-weight: 800;
    color: var(--color-primary);
}

/* 로고 영역 */
.brand-logo {
    width: 44px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.brand-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(30%);
    transition: filter var(--transition);
}

.brand-item:hover .brand-logo img,
.brand-item.active .brand-logo img {
    filter: grayscale(0%);
}

/* 다크모드: 어두운 로고 → 밝게 반전 */
html[data-theme="dark"] .brand-logo img {
    filter: grayscale(30%) invert(1) brightness(1.8);
}
html[data-theme="dark"] .brand-item:hover .brand-logo img,
html[data-theme="dark"] .brand-item.active .brand-logo img {
    filter: grayscale(0%) invert(1) brightness(2) saturate(0);
}

/* 로고 없을 때 텍스트 폴백 */
.brand-text-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 32px;
    font-size: 10px;
    font-weight: 700;
    color: var(--color-text-secondary);
    text-align: center;
    line-height: 1.2;
    word-break: keep-all;
}

.brand-item:hover .brand-text-fallback,
.brand-item.active .brand-text-fallback {
    color: var(--color-primary);
}

/* 브랜드명 텍스트 */
.brand-name {
    font-size: 10px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-align: center;
    line-height: 1.2;
    word-break: keep-all;
    transition: color var(--transition);
}

.brand-item:hover .brand-name,
.brand-item.active .brand-name {
    color: var(--color-primary);
}


/* ============================================================
   2단계: 모델 목록
   ============================================================ */
.model-list {
    margin-top: 10px;
    border: 1px solid rgba(232,184,75,0.25);
    border-radius: var(--radius-md);
    overflow: hidden;
    animation: slideDown 0.25s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.model-list-label {
    padding: 8px 12px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(232,184,75,0.08);
    border-bottom: 1px solid rgba(232,184,75,0.15);
    letter-spacing: 0.3px;
}

.model-item-wrap {
    border-bottom: 1px solid var(--color-border);
}
.model-item-wrap:last-child { border-bottom: none; }

.model-item {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--color-bg-card);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    text-align: left;
    border: none;
}

.model-item:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
    padding-left: 16px;
}

.model-item.active {
    background: rgba(232,184,75,0.1);
    color: var(--color-primary);
    font-weight: 700;
    padding-left: 16px;
}

.model-arrow {
    font-size: 12px;
    color: var(--color-text-muted);
    transition: transform var(--transition);
    flex-shrink: 0;
}
.model-arrow.open {
    transform: rotate(180deg);
    color: var(--color-primary);
}


/* ============================================================
   3단계: 세부모델 목록
   ============================================================ */
.detail-model-list {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    animation: slideDown 0.2s ease;
}

.detail-model-item {
    width: 100%;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition);
}

.detail-model-item:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
    padding-left: 16px;
}

.detail-model-item.active {
    background: var(--color-primary);
    color: #1a1a1a;
    font-weight: 700;
}


/* ============================================================
   브레드크럼
   ============================================================ */
.page-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}

.page-breadcrumb a {
    font-size: var(--font-size-xs);
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
}
.page-breadcrumb a:hover { color: var(--color-primary); }

.page-breadcrumb span {
    font-size: var(--font-size-xs);
    color: rgba(255,255,255,0.3);
}

.page-breadcrumb span:last-child {
    color: var(--color-primary);
    font-weight: 600;
}


/* ============================================================
   세대 연도 표시
   ============================================================ */
.generation-year {
    font-size: 10px;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-left: 2px;
}

.model-item.active .generation-year {
    color: rgba(232,184,75,0.7);
}


/* ============================================================
   트림 아이템 (4단계)
   ============================================================ */
.detail-model-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    text-align: left;
}

.trim-name {
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1.3;
}

.trim-engine {
    font-size: 10px;
    color: var(--color-text-muted);
    font-weight: 400;
}

.detail-model-item.active .trim-engine {
    color: rgba(26,26,26,0.6);
}


/* ============================================================
   섹션 슬라이드 애니메이션
   ============================================================ */
.model-section,
.generation-section,
.trim-section {
    animation: slideDown 0.25s ease;
}
/* 뎁스 선택 시 스크롤 앵커 - 헤더 높이만큼 여백 */
#modelSection,
#generationSection,
#trimSection,
#carList {
    scroll-margin-top: 300px;
}

/* ============================================================
   차량 카드 크기 확대 (buy-car 전용)
   ============================================================ */

/* 사이드바 옆 컨텐츠 영역에서 2열로 크게 표시 */
.car-list-area .cars-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

/* 카드 이미지 비율 더 넓게 (4:3) */
.car-list-area .car-card-thumb {
    padding-top: 72%;
    border-radius: 10px 10px 0 0;
}

/* 카드 바디 패딩 여유있게 */
.car-list-area .car-card-body {
    padding: 14px 16px;
}

/* 차량명 크게 */
.car-list-area .car-card-name {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
    white-space: normal;
    word-break: keep-all;
}

/* 스펙 텍스트 */
.car-list-area .car-card-spec {
    font-size: 12px;
    margin-bottom: 10px;
}

/* 가격 크게 */
.car-list-area .car-card-price {
    font-size: 18px;
    font-weight: 800;
}

/* 1280px 이상에서도 2열 유지 (사이드바 있으니까) */
@media (min-width: 1024px) {
    .car-list-area .cars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1440px) {
    .car-list-area .cars-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}