.sidebar {
    position: fixed;
    top: 0;
    width: 25%;
    height: 100%;
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    padding: 2rem 1.5rem;
    box-shadow: 4px 0 16px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
}

.sidebar-left {
    left: -100%;
    transition: left 0.3s ease;
}

.sidebar-right {
    right: -100%;
    transition: right 0.3s ease;
}

.sidebar-left.show {
    left: 0;
}

.sidebar-right.show {
    right: 0;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4); /* 반투명 검정 */
    z-index: 900; /* 사이드바보다 낮아야 함 (sidebar z-index: 1000) */
    display: none;
    transition: opacity 0.3s ease;
}

.overlay.show {
    display: block;
}


/* 닫기 버튼 */
#close-sidebar {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    color: #999;
    transition: 0.3s;
}

#close-sidebar:hover {
    color: #ff5e5e;
    transform: scale(1.1);
}

/* 각 섹션 제목 */
.sidebar-section-title {
    font-weight: 600;
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 0.6rem;
    padding-left: 0.3rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* 상위 카테고리 제목 */
.parent-title {
    font-weight: 600;
    font-size: 1.2rem;
    color: #333;
    padding-left: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* 링크 공통 스타일 */
.sidebar-section a,
.grid a {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none !important;
    color: #333;
    font-size: 1.2rem;
    padding: 0.4rem 0.6rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.parent-title:hover,
.sidebar-section a:hover,
.grid a:hover {
    background-color: rgba(0, 123, 255, 0.08);
    font-weight: 500;
    color: #007bff;
}

/* 게시판, 이벤트, 맛집: 그리드 레이아웃 */
.grid {
    display: grid;
    gap: 0.4rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
    .sidebar {
        width: 85%;
    }
}