/* Custom scrollbar */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Dark mode scrollbar */
.dark .custom-scrollbar::-webkit-scrollbar-thumb {
    background: #475569;
}
.dark .custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Loading animation */
.loading-spinner {
    border: 2px solid #f3f4f6;
    border-top: 2px solid #3b82f6;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

/* Dark mode loading spinner */
.dark .loading-spinner {
    border: 2px solid #374151;
    border-top: 2px solid #3b82f6;
}

/* Dark mode prose styles */
.dark .prose {
    color: #e5e7eb;
}

.dark .prose h1,
.dark .prose h2,
.dark .prose h3,
.dark .prose h4,
.dark .prose h5,
.dark .prose h6 {
    color: #f9fafb;
}

.dark .prose p {
    color: #e5e7eb;
}

.dark .prose strong {
    color: #f9fafb;
}

.dark .prose em {
    color: #e5e7eb;
}

.dark .prose blockquote {
    color: #d1d5db;
    border-left-color: #4b5563;
}

.dark .prose ul,
.dark .prose ol {
    color: #e5e7eb;
}

.dark .prose li {
    color: #e5e7eb;
}

.dark .prose a {
    color: #60a5fa;
}

.dark .prose a:hover {
    color: #93c5fd;
}

.dark .prose code {
    color: #f9fafb;
    background-color: #374151;
}

.dark .prose pre {
    background-color: #1f2937;
    color: #e5e7eb;
}

.dark .prose hr {
    border-color: #4b5563;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Sidebar collapsed state */
#sidebar.collapsed {
    width: 4rem;
}

#sidebar.collapsed .sidebar-text {
    display: none;
}

#sidebar.collapsed .nav-icon {
    margin-right: 0;
}

#sidebar.collapsed .nav-item {
    justify-content: center;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

/* Tooltip for collapsed sidebar */
.nav-item {
    position: relative;
}

.nav-item .tooltip {
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: #1f2937;
    color: white;
    padding: 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    z-index: 50;
    margin-left: 0.5rem;
}

/* Show tooltip only when sidebar is collapsed */
#sidebar.collapsed .nav-item:hover .tooltip {
    opacity: 1;
    visibility: visible;
}

/* Show sidebar toggle button when collapsed - center it */
#sidebar.collapsed #sidebar-toggle {
    display: block;
    margin: 0 auto;
}

#sidebar.collapsed .lnb-header {
    justify-content: center;
}

/* Hide logo when collapsed, show only toggle button */
#sidebar.collapsed .lnb-header > a {
    display: none;
}

/* Sidebar overlay mode for screens below 1024px */
@media (max-width: 1023px) {
    #sidebar {
        position: fixed;
        left: 0;
        top: 0;
        z-index: 50;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
    }
    #sidebar.show {
        transform: translateX(0);
    }
    #sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 40;
    }
    #sidebar-overlay.show {
        display: block;
    }
}

/* Sidebar auto-collapse for tablet (1024px-1279px) */
@media (min-width: 1024px) and (max-width: 1279px) {
    #sidebar.collapsed {
        width: 4rem;
    }
}

/* Desktop minimum (1280px+) */
@media (min-width: 1280px) {
    #sidebar {
        position: relative;
    }
}

/* Main content adjustment */
.main-content-expanded {
    margin-left: 0;
}

/* LNB 스크롤 영역 설정 */
.lnb-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
}
.lnb-header {
    flex-shrink: 0;
}
.lnb-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding-bottom: 1.5rem; /* 추가 하단 여백 */
}
.lnb-content::-webkit-scrollbar {
    width: 4px;
}
.lnb-content::-webkit-scrollbar-track {
    background: transparent;
}
.lnb-content::-webkit-scrollbar-thumb {
    background: #4b5563;
    border-radius: 2px;
}
.lnb-content::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

/* 접힌 상태에서도 스크롤 유지 */
#sidebar.collapsed .lnb-container {
    height: 100vh;
}
#sidebar.collapsed .lnb-header {
    flex-shrink: 0;
    height: 4rem; /* h-16과 동일한 높이 */
}
#sidebar.collapsed .lnb-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding-bottom: 1.5rem; /* 접힌 상태에서도 하단 여백 유지 */
}