/* BankFlow - 사이드바 & 헤더 레이아웃 */

/* ============================================
   헤더
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: var(--bf-sidebar-width);
    right: 0;
    height: 56px;
    background-color: var(--bf-bg-header);
    border-bottom: 1px solid var(--bf-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--bf-space-6);
    z-index: 100;
    transition: left 0.3s ease, background-color var(--bf-transition);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--bf-space-4);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--bf-space-3);
}

.header-title {
    font-size: var(--bf-text-lg);
    font-weight: 600;
}

/* 모바일 햄버거 (PC에서 숨김) */
.header-nav-toggle {
    display: none;
}

/* ============================================
   사이드바 기본
   ============================================ */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--bf-sidebar-width);
    height: 100vh;
    background-color: var(--bf-bg-sidebar);
    border-right: 1px solid var(--bf-border);
    display: flex;
    flex-direction: column;
    z-index: 200;
    transition: width 0.3s ease, background-color var(--bf-transition);
    overflow-y: auto;
    overflow-x: hidden;
}

/* 브랜드 영역 */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--bf-space-3);
    padding: var(--bf-space-4) var(--bf-space-5);
    height: 56px;
    border-bottom: 1px solid var(--bf-border);
    flex-shrink: 0;
    position: relative;
}

.sidebar-brand-logo {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.sidebar-brand-name {
    font-size: var(--bf-text-lg);
    font-weight: 700;
    color: var(--bf-primary);
    white-space: nowrap;
    overflow: hidden;
}

/* 토글 버튼 영역 (브랜드 아래 독립 영역) */
.sidebar-top {
    display: flex;
    justify-content: flex-end;
    padding: var(--bf-space-2) var(--bf-space-3);
    flex-shrink: 0;
}

.sidebar-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--bf-radius);
    color: var(--bf-text-muted);
    cursor: pointer;
    transition: all var(--bf-transition);
    flex-shrink: 0;
    background: none;
    border: none;
}

.sidebar-toggle-btn:hover {
    background-color: var(--bf-bg-hover);
    color: var(--bf-text);
}

/* 네비게이션 */
.sidebar-nav {
    flex: 1;
    padding: var(--bf-space-3);
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: var(--bf-space-4);
}

.sidebar-section-title {
    padding: var(--bf-space-2) var(--bf-space-3);
    font-size: var(--bf-text-xs);
    font-weight: 600;
    color: var(--bf-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    overflow: hidden;
}

/* 메뉴 링크 */
.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--bf-space-3);
    padding: var(--bf-space-2) var(--bf-space-3);
    border-radius: var(--bf-radius);
    color: var(--bf-text-secondary);
    font-size: var(--bf-text-sm);
    font-weight: 500;
    transition: all var(--bf-transition);
    text-decoration: none;
    position: relative;
    white-space: nowrap;
}

.sidebar-link:hover {
    background-color: var(--bf-bg-hover);
    color: var(--bf-text);
}

.sidebar-link.active {
    background-color: var(--bf-sidebar-active-bg);
    color: var(--bf-sidebar-active-text);
}

.sidebar-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-link span {
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 배지 (알림 카운트 등) */
.sidebar-link .sidebar-badge {
    margin-left: auto;
    background-color: var(--bf-danger);
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: var(--bf-radius-full);
    line-height: 1.4;
    flex-shrink: 0;
}

/* 푸터 (사용자 정보) */
.sidebar-footer {
    padding: var(--bf-space-3);
    border-top: 1px solid var(--bf-border);
    flex-shrink: 0;
}

/* 페이지 전환 링크 (관리자↔사용자) */
.sidebar-switch-link {
    margin-bottom: var(--bf-space-2);
    border: 1px dashed var(--bf-border);
    color: var(--bf-primary) !important;
    font-size: var(--bf-text-xs) !important;
}

.sidebar-switch-link:hover {
    background-color: var(--bf-primary-light) !important;
    border-color: var(--bf-primary);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--bf-space-3);
    padding: var(--bf-space-2) var(--bf-space-3);
    border-radius: var(--bf-radius);
}

.sidebar-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--bf-radius-full);
    background-color: var(--bf-primary-light);
    color: var(--bf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--bf-text-sm);
    font-weight: 600;
    flex-shrink: 0;
}

.sidebar-user-info {
    overflow: hidden;
}

.sidebar-user-name {
    font-size: var(--bf-text-sm);
    font-weight: 600;
    color: var(--bf-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: var(--bf-text-xs);
    color: var(--bf-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   사이드바 접힌 상태 (Collapsed)
   ============================================ */
.sidebar.collapsed {
    width: var(--bf-sidebar-collapsed);
}

/* 접힌 상태 - 텍스트 숨김 */
.sidebar.collapsed .sidebar-brand-name,
.sidebar.collapsed .sidebar-section-title,
.sidebar.collapsed .sidebar-link span,
.sidebar.collapsed .sidebar-link .sidebar-badge,
.sidebar.collapsed .sidebar-user-info {
    display: none;
}

/* 접힌 상태 - 브랜드 영역 */
.sidebar.collapsed .sidebar-brand {
    justify-content: center;
    padding: var(--bf-space-4) 0;
    gap: 0;
}

/* 접힌 상태 - 토글 영역: 중앙 정렬 */
.sidebar.collapsed .sidebar-top {
    justify-content: center;
}

/* 접힌 상태 - 메뉴 아이콘 중앙 정렬 */
.sidebar.collapsed .sidebar-link {
    justify-content: center;
    padding: var(--bf-space-2) 0;
    gap: 0;
}

/* 접힌 상태 - 사용자 아바타 중앙 정렬 */
.sidebar.collapsed .sidebar-user {
    justify-content: center;
    gap: 0;
}

/* 접힌 상태 - 구분선(section) 스타일 */
.sidebar.collapsed .sidebar-section {
    margin-bottom: var(--bf-space-2);
}

.sidebar.collapsed .sidebar-section-title {
    display: block;
    height: 1px;
    padding: 0;
    margin: var(--bf-space-2) var(--bf-space-2);
    background-color: var(--bf-border);
    font-size: 0;
    overflow: hidden;
}

/* ============================================
   접힌 상태 - 호버 툴팁
   ============================================ */
.sidebar.collapsed .sidebar-link::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(var(--bf-sidebar-collapsed) + 8px);
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--bf-text);
    color: var(--bf-text-inverse);
    padding: 4px 12px;
    border-radius: var(--bf-radius-sm);
    font-size: var(--bf-text-xs);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: 1060;
}

.sidebar.collapsed .sidebar-link:hover::after {
    opacity: 1;
}

/* ============================================
   헤더/콘텐츠 동기화
   ============================================ */
.header.expanded {
    left: var(--bf-sidebar-collapsed);
}

.main-content {
    margin-left: var(--bf-sidebar-width);
    padding-top: 56px;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.main-content.expanded {
    margin-left: var(--bf-sidebar-collapsed);
}

.content-wrapper {
    padding: var(--bf-space-6);
    max-width: 1400px;
}

/* ============================================
   백드롭 (모바일)
   ============================================ */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 190;
}

.sidebar-backdrop.show {
    display: block;
}

/* ============================================
   반응형 (모바일 <= 768px)
   ============================================ */
@media (max-width: 768px) {
    /* 햄버거 표시 */
    .header-nav-toggle {
        display: flex;
    }

    /* 사이드바 내 토글 영역 숨김 */
    .sidebar-top {
        display: none;
    }

    /* 사이드바: 전체 너비, 화면 밖 */
    .sidebar {
        width: var(--bf-sidebar-width) !important;
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    /* 접힌 상태 무시 — 모바일에서는 항상 전체 메뉴 */
    .sidebar.collapsed .sidebar-brand-name,
    .sidebar.collapsed .sidebar-section-title,
    .sidebar.collapsed .sidebar-link span,
    .sidebar.collapsed .sidebar-link .sidebar-badge,
    .sidebar.collapsed .sidebar-user-info {
        display: revert;
    }

    .sidebar.collapsed .sidebar-brand {
        justify-content: flex-start;
        padding: var(--bf-space-4) var(--bf-space-5);
        gap: var(--bf-space-3);
    }

    .sidebar.collapsed .sidebar-link {
        justify-content: flex-start;
        padding: var(--bf-space-2) var(--bf-space-3);
        gap: var(--bf-space-3);
    }

    .sidebar.collapsed .sidebar-link::after {
        display: none;
    }

    /* 헤더/콘텐츠: 전체 너비 */
    .header,
    .header.expanded {
        left: 0;
    }

    .main-content,
    .main-content.expanded {
        margin-left: 0;
    }
}