/* ------------- Sidebar Navigation ------------- */
/* 스크롤 추적 */
.sidebar-link {
    transition: all 0.3s ease;
}
.sidebar-link.active {
    color: #2563eb;
    font-weight: 600;
}
.sidebar-link.active::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: #2563eb;
    border-radius: 2px 0 0 2px;
}
/* 스크롤 호버 바 */
.sidebar-trigger {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 160px;
    background: rgba(167, 173, 184, 0.6);
    backdrop-filter: blur(2px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-right: none;
    border-radius: 12px 0 0 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 50;
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
}
.sidebar-trigger:hover {
    background: rgba(96, 100, 133, 0.95);
    width: 36px;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.15);
}
.sidebar-trigger svg {
    width: 20px;
    height: 20px;
    color: #556479;
    transition: transform 0.3s ease, color 0.3s ease;
}
.sidebar-trigger:hover svg {
    transform: translateX(-2px);
    color: #bcd0fd;
}
/* 스크롤 호버 바 보이기: md 이하(max-width: 1023px)에서 호버, lg+(min-width: 1024px)에서 숨김 */
.sidebar-trigger {
    display: block;
}
@media (min-width: 1440px) {
    .sidebar-trigger {
        display: none;
    }
}
/* 사이드바 컨테이너 */
.sidebar-container {
    position: relative;
}
/* 사이드바 동작: md 이하(max-width: 1023px)에서 호버, lg+(min-width: 1024px)에서 항상 보임 */
.sidebar {
    transition: opacity 0.3s ease, transform 0.3s ease;
}
@media (max-width: 1439px) {
    .sidebar {
        position: absolute;
        right: 20px;
        top: 0;
        opacity: 0;
        transform: translateX(20px) translateY(-50%);
        pointer-events: none;
        min-width: 180px;
    }
    .sidebar-container:hover .sidebar {
        opacity: 0.95;
        transform: translateX(0) translateY(-50%);
        pointer-events: all;
    }
}
@media (min-width: 1440px) {
    .sidebar-container {
        right: 2rem;
    }
    .sidebar {
        position: relative;
        top: 0;
        right: 40px;
        opacity: 0.95 ;
        transform: none ;
        pointer-events: all ;
    }
}