/* ============================================================
   브랜드 목록 페이지 스타일
   ============================================================ */

/* 페이지 헤더 */
.brands-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.brands-header .section-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
}

.brands-count {
    font-size: 14px;
    color: var(--color-text-muted);
}

.brands-count strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* ============================================================
   초성/알파벳 필터 탭
   ============================================================ */

.brand-filter-wrap {
    position: sticky;
    top: 56px; /* 헤더 높이 */
    z-index: 10;
    background: var(--color-bg);
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border-light);
    margin-bottom: var(--spacing-lg);
}

#brandFilterTabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 0 var(--spacing-md);
}

.filter-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
    background: var(--color-bg);
    color: var(--color-text-muted);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

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

.filter-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    font-weight: 700;
}

/* ============================================================
   브랜드 그리드
   ============================================================ */

#brandGrid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding-bottom: var(--spacing-xl);
}

/* ============================================================
   브랜드 카드
   ============================================================ */

.brand-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 12px 16px;
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    background: var(--color-bg);
    cursor: pointer;
    transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
    text-align: center;
}

.brand-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

/* 브랜드 로고 이미지 영역 */
.brand-card-logo {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--color-bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.brand-card-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* 로고 없을 때 플레이스홀더 */
.brand-card-logo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-muted);
    background: var(--color-bg-light);
    border-radius: 12px;
    text-transform: uppercase;
}

/* 브랜드명 */
.brand-card-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
    word-break: break-all;
    width: 100%;
}

/* ============================================================
   브랜드 없음 안내
   ============================================================ */

.no-brands {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
}

.no-brands-text {
    font-size: 15px;
    color: var(--color-text-muted);
}

/* ============================================================
   반응형: 태블릿 (768px)
   ============================================================ */

@media (max-width: 1024px) {
    #brandGrid {
        grid-template-columns: repeat(3, 1fr);
        gap: 14px;
    }
}

@media (max-width: 768px) {
    .brand-filter-wrap {
        top: 52px;
    }

    #brandFilterTabs {
        gap: 4px;
        padding: 0 var(--spacing-sm);
    }

    .filter-tab {
        min-width: 32px;
        height: 32px;
        padding: 0 8px;
        font-size: 12px;
        border-radius: 5px;
    }

    #brandGrid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .brand-card {
        padding: 14px 8px 12px;
        border-radius: 10px;
    }

    .brand-card-logo {
        width: 60px;
        height: 60px;
    }

    .brand-card-logo-placeholder {
        font-size: 22px;
    }

    .brand-card-name {
        font-size: 12px;
    }

    .brands-header .section-title {
        font-size: 18px;
    }
}

/* ============================================================
   반응형: 모바일 소형 (480px)
   ============================================================ */

@media (max-width: 480px) {
    #brandGrid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .brand-card-logo {
        width: 52px;
        height: 52px;
    }
}