/**
 * layout.css — 데스크탑 페이지 레이아웃 (단일 정의)
 * 담당: main, .global-header 및 내부(.header-container, .header-center-wrapper, .header-search-wrapper,
 *       .global-search-container), .content-wrapper, .filter-tabs, .fab-write-btn
 * 헤더/검색 영역은 여기만 수정. 검색 입력창 스타일은 search-overlay.css
 */
/* 모바일 전용 요소 숨김 (데스크탑) */
@media (min-width: 769px) {
    .header-hamburger.mobile-only,
    .drawer-overlay.mobile-only {
        display: none;
    }
}

/* 레거시/모바일 전용 클래스 숨김 (데스크탑 단일 레이아웃) */
.navbar,
.sidebar,
.hero-slider,
.board-header {
    display: none;
}

.container {
    max-width: 100%;
    padding: 0;
}

.main-layout {
    display: block;
    margin: 0;
}

main {
    margin-left: 0;
    padding: 140px 2rem 2rem 2rem;
    min-height: 100vh;
}

/* 데스크톱: 사이드바 너비만큼 본문을 밀어서 겹치지 않게 */
@media (min-width: 769px) {
    main {
        margin-left: var(--sidebar-collapsed, 70px);
    }
}

/* Global Header — 단일 정의. 배경 투명, 검색창(.search-input-wrapper)만 search-overlay에서 시각 처리 */
.global-header {
    height: 64px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 900;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent !important;
    border-bottom: none;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), left 0.3s ease;
}

@media (min-width: 769px) {
    .global-header {
        left: var(--sidebar-collapsed, 70px);
    }
}

.global-header.header-hidden {
    transform: translateY(-250px);
}

body.sidebar-expanded .global-header {
    left: var(--sidebar-collapsed, 70px);
}

/* 헤더 내부 컨테이너 (검색창·브레드크럼 중앙 정렬) */
.header-container {
    width: 100%;
    height: 100%;
    max-width: none;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

/* post-detail / content-wrapper와 같은 800px 중앙 영역 */
.header-center-wrapper {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-direction: column;
    pointer-events: none;
    position: relative;
}

/* Enable pointer events on children */
.header-search-wrapper,
.header-breadcrumb {
    pointer-events: auto;
}

/* Breadcrumb in Header - Positioned BELOW search bar */
.header-breadcrumb {
    position: absolute;
    top: 100%;
    /* Push to bottom of wrapper */
    margin-top: 4px;
    left: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 800;
}

/* Force inner breadcrumb list to center */
.header-breadcrumb .breadcrumb {
    justify-content: center;
    margin: 0;
    width: auto;
}

.header-breadcrumb a,
.header-breadcrumb span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.header-search-wrapper {
    width: 100%;
    max-width: 320px;
    transition: max-width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 900;
}

/* Dynamic State: Search Focused */
/* When looking for true center expansion, we expand the wrapper AND the search bar */

.header-center-wrapper.search-focused {
    max-width: 800px;
    /* Ensure wrapper allows full expansion */
}

.header-center-wrapper.search-focused .header-breadcrumb {
    opacity: 0;
    transform: translateY(-8px);
    /* Subtle lift */
    pointer-events: none;
}

.header-center-wrapper.search-focused .header-search-wrapper {
    max-width: 800px;
}

/* 검색 컨테이너 (실제 스타일은 search-overlay.css) */
.global-search-container {
    width: 100%;
    max-width: 800px;
    position: relative;
}

/* 헤더/푸터와 동일한 800px 중앙 영역 (넓은 모니터에서도 일관된 레이아웃) */
.content-wrapper {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    box-sizing: border-box;
}

/* Top Filter Tabs */
.filter-tabs {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.5rem;
}

.filter-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.filter-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
}

/* Floating Action Button (우측 하단 글쓰기) */
.fab-write-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    min-width: 56px;
    min-height: 56px;
    background-color: var(--primary-color, #007aff);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25), 0 2px 6px rgba(0, 122, 255, 0.35);
    font-size: 1.25rem;
    z-index: 9999;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.fab-write-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 122, 255, 0.45);
    background-color: var(--primary-hover, #0066d6);
    color: #fff;
}

.fab-write-btn:active {
    transform: translateY(0) scale(0.98);
}

.fab-write-btn i {
    color: inherit;
    pointer-events: none;
}

@media (max-width: 768px) {
    .fab-write-btn {
        bottom: 5rem;
        right: 1.5rem;
    }

    .global-header {
        left: 0;
        padding: 0 1rem;
        padding-top: 10px;
    }
}