/* ========================================
   카테고리 모달 (전체 화면)
   ======================================== */

.category-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--quantum-bg-primary);
    z-index: 1000;
    display: none;
    overflow-y: scroll;
    scrollbar-gutter: stable;
}

.category-modal.active {
    display: block;
}

.category-modal-content {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 700px;
    margin: 0 auto;
}

/* 모달 헤더 */
.category-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--quantum-border-light);
    background: var(--quantum-bg-primary);
    position: sticky;
    top: 0;
    z-index: 10;
    max-width: 700px;
    margin: 0 auto;
    width: 100%;
}

/* 공용 로고 (.blog-logo, .logo-icon, .logo-text)는 header.css에 정의됨 */

.category-modal-close {
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    color: var(--quantum-text-tertiary);
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.category-modal-close:hover {
    background: var(--quantum-bg-tertiary);
}

/* ========================================
   검색 섹션
   ======================================== */

.search-section {
    padding: 40px 0;
    background: var(--quantum-bg-primary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    width: 100%;
}

.search-container {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-input-wrapper {
    flex: 1;
    position: relative;
    background: var(--quantum-bg-primary);
    border-radius: 12px;
    border: 1px solid var(--quantum-border-medium);
    transition: all 0.2s ease;
}

.search-input-wrapper:hover {
    border-color: rgba(var(--quantum-point-rgb), 0.4);
    box-shadow: inset 0 0 0 1px rgba(var(--quantum-point-rgb), 0.4);
}

.search-input-wrapper:focus-within {
    border-color: var(--quantum-point);
    background: var(--quantum-bg-primary);
    box-shadow: inset 0 0 0 1px var(--quantum-point);
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--quantum-text-tertiary);
    pointer-events: none;
}

#category-search {
    width: 100%;
    height: 52px;
    border: none;
    background: transparent;
    padding: 0 16px 0 48px;
    font-size: 16px;
    color: var(--quantum-text-primary);
    outline: none;
    border-radius: 12px;
}

#category-search::placeholder {
    color: var(--quantum-text-tertiary);
}

.search-btn {
    background: var(--quantum-point);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
    white-space: nowrap;
}

.search-btn:hover {
    background: var(--quantum-point-hover);
}

/* ========================================
   카테고리 목록 섹션
   ======================================== */

.category-list-section {
    flex: 1;
    padding: 0 0 40px;
    max-width: 700px;
    margin: 0 auto;
    width: 100%;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--quantum-text-primary);
    margin: 0 0 8px 0;
    line-height: 1.4;
}

.section-title p {
    font-size: 16px;
    color: var(--quantum-text-tertiary);
    margin: 0;
    line-height: 1.2;
}

.category-list-container {
    background: var(--quantum-bg-primary);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--quantum-border-light);
}

/* ========================================
   티스토리 카테고리 구조 스타일
   ======================================== */

.tt_category {
    list-style: none;
    margin: 0;
    padding: 0;
}

.tt_category > li {
    border-bottom: 1px solid var(--quantum-border-light);
}

.tt_category > li:last-child {
    border-bottom: none;
}

/* 전체 글 링크 */
.link_tit {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    text-decoration: none;
    color: var(--quantum-text-primary);
    font-size: 16px;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.link_tit:hover {
    background: var(--quantum-bg-secondary);
}

/* 카테고리 목록 */
.category_list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.category_list > li {
    border-bottom: 1px solid var(--quantum-border-light);
}

.category_list > li:last-child {
    border-bottom: none;
}

/* 메인 카테고리 링크 */
.link_item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    text-decoration: none;
    color: var(--quantum-text-primary);
    font-size: 16px;
    font-weight: 600;
    transition: background-color 0.2s ease;
    cursor: pointer;
    user-select: none;
    position: relative;
}

.link_item:hover {
    background: var(--quantum-bg-secondary);
}

/* 개수 배지 - 오른쪽 정렬 */
.link_item .c_cnt {
    margin-left: auto;
}

.link_item:hover .c_cnt {
    background: var(--quantum-border-light);
}

/* 토글 버튼 - 왼쪽 배치 */
.link_item button {
    width: 24px;
    height: 24px;
    border: none;
    background: none;
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    margin-right: 8px;
    transition: background-color 0.2s ease;
}

.link_item button:hover {
    background: var(--quantum-border-light);
}

/* lucide 쉐브론 아이콘 */
.link_item button svg {
    width: 16px;
    height: 16px;
    color: var(--quantum-text-tertiary);
    transition: transform 0.25s ease;
}

.link_item.expanded button svg {
    transform: rotate(90deg);
}

.link_item:hover button svg {
    color: var(--quantum-text-secondary);
}

/* 서브카테고리 목록 */
.sub_category_list {
    list-style: none;
    margin: 0;
    padding: 0;
    background: var(--quantum-bg-primary);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.sub_category_list.expanded {
    max-height: 500px;
}

.sub_category_list > li {
    border-bottom: 1px solid var(--quantum-bg-secondary);
}

.sub_category_list > li:last-child {
    border-bottom: none;
}

/* 서브카테고리 링크 */
.link_sub_item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px 16px 70px;
    text-decoration: none;
    color: var(--quantum-text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.link_sub_item:hover {
    background: var(--quantum-bg-secondary);
    color: var(--quantum-text-primary);
}

/* 카운트 스타일 - pill 배지 */
.c_cnt {
    font-size: 12px;
    font-weight: 500;
    color: var(--quantum-text-tertiary);
    background: var(--quantum-bg-tertiary);
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
    display: inline-block;
}

.link_sub_item:hover .c_cnt {
    color: var(--quantum-text-secondary);
    background: var(--quantum-border-light);
}

/* ========================================
   카테고리 모달 반응형
   ======================================== */

/* 모바일 (700px 이하) */
@media (max-width: 700px) {
    .category-modal-content {
        max-width: 100%;
        margin: 0;
    }

    .category-modal-header {
        max-width: 100%;
        margin: 0;
        padding: 16px;
    }

    .search-section {
        max-width: 100%;
        margin: 0;
        padding: 24px 16px 40px;
    }

    .search-container {
        flex-direction: column;
        gap: 16px;
    }

    .search-input-wrapper {
        width: 100%;
    }

    .search-btn {
        width: 100%;
        padding: 16px;
    }

    .category-list-section {
        max-width: 100%;
        margin: 0;
        padding: 0 16px 24px;
    }

    .section-title h3 {
        font-size: 20px;
    }

    .section-title p {
        font-size: 14px;
    }

    .category-list-container {
        max-width: 100%;
        border-radius: 12px;
    }
}

/* 소형 모바일 (480px 이하) */
@media (max-width: 480px) {
    .category-modal-header {
        padding: 12px;
    }

    .search-section {
        padding: 20px 12px 32px;
    }

    .category-list-section {
        padding: 0 12px 20px;
    }

    .section-title h3 {
        font-size: 18px;
    }

    .section-title p {
        font-size: 13px;
    }
}