:root {
    /* Light Mode Colors */
    --background-light: #F7F8FA;
    --background-white: #FFFFFF;
    --primary-blue: #3B82F6;
    --primary-blue-light: #EFF6FF;
    --primary-blue-dark: #2563EB;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --border-color: #E5E7EB;
    --shadow-color: rgba(0, 0, 0, 0.05);
    
    /* Dark Mode Colors */
    --background-dark: #111827;
    --background-dark-secondary: #1F2937;
    --text-primary-dark: #F9FAFB;
    --text-secondary-dark: #9CA3AF;
    --text-tertiary-dark: #6B7280;
    --border-color-dark: #374151;
    --shadow-color-dark: rgba(0, 0, 0, 0.25);
}

html, body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-light);
    color: var(--text-primary);
    height: 100%;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

body {
    /* iOS Safari overscroll 방지 */
    overscroll-behavior: none;
    -webkit-overscroll-behavior: none;
    position: relative;
}

/* 모달/사이드바 열릴 때 body 스크롤 방지 */
body.modal-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* ===== 통합된 사용자 카테고리 컨테이너 스타일 ===== */
#user-categories-container {
    /* HTML의 flex-1과 일치하도록 flex 기반 설정 */
    flex: 1 1 0;
    min-height: 0;
    
    /* 스크롤 설정 */
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    
    /* 기본 스크롤 동작 */
    overscroll-behavior: contain;
    -webkit-overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

/* 스크롤바 숨김 */
#user-categories-container::-webkit-scrollbar {
    display: none;
}

/* 모바일에서 사이드바 열림 시에도 스크롤 허용 */
body.modal-open #user-categories-container {
    overscroll-behavior: contain;
    -webkit-overscroll-behavior: contain;
}

/* 데스크톱 반응형 */
@media (min-width: 1024px) {
    #user-categories-container {
        /* 데스크톱에서도 flex 유지 */
        flex: 1 1 0;
        min-height: 0;
    }
}

/* iOS Safari 전용 최적화 */
@supports (-webkit-touch-callout: none) {
    #user-categories-container {
        /* iOS에서 바운스 방지 강화 */
        overscroll-behavior: none;
        -webkit-overscroll-behavior: none;
    }
    
    /* iOS body 설정 */
    body {
        -webkit-overflow-scrolling: touch;
    }
}

/* 사이드바 구조 개선 */
#sidebar nav {
    /* 전체 네비게이션 높이를 명확히 정의 */
    height: calc(100vh - 70px); /* 사용자 프로필 높이 제외 */
}

/* 기존 데스크톱 중복 선택자 제거됨 - 통합된 선택자로 대체 예정 */

/* 기존 modal-open 중복 선택자 제거됨 - 통합된 선택자로 대체 예정 */

/* Dark mode */
[data-theme="dark"] {
    --background-light: var(--background-dark);
    --background-white: var(--background-dark-secondary);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-tertiary: var(--text-tertiary-dark);
    --border-color: var(--border-color-dark);
    --shadow-color: var(--shadow-color-dark);
}

.sidebar-link.active {
    background-color: var(--primary-blue-light) !important;
    color: var(--primary-blue) !important;
    font-weight: 600;
}

.sidebar-link.active .count-badge {
    background-color: #BFDBFE;
    color: var(--primary-blue);
}

[data-theme="dark"] .sidebar-link.active {
    background-color: var(--primary-blue-light) !important;
    color: #93C5FD !important;
}

[data-theme="dark"] .sidebar-link.active .count-badge {
    background-color: rgba(30, 58, 138, 0.5);
    color: #93C5FD;
}

.card {
    background-color: var(--background-white);
    border-radius: 1rem;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: all 0.3s ease-in-out;
    border: 1px solid var(--border-color);
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}

[data-theme="dark"] .card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

/* Loading animation */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Category context menu styles */
.category-menu-btn {
    transition: all 0.2s ease;
    cursor: pointer;
}

.category-context-menu {
    display: none;
}

/* 기존 스크롤 컨테이너 중복 선택자 제거됨 - 통합된 선택자로 대체 예정 */

/* Desktop layout - ensure sidebar is visible and positioned correctly */
@media (min-width: 1024px) {
    #sidebar {
        position: relative;
        transform: translateX(0);
        z-index: auto;
    }
    
    main {
        margin-left: 0;
    }
}

.category-context-menu.show {
    display: block !important;
}

.context-menu-item {
    padding: 8px 16px;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.context-menu-item:hover {
    background-color: #f3f4f6;
}

.context-menu-item.delete {
    color: #ef4444;
}

.context-menu-item.delete:hover {
    background-color: #fef2f2;
}

[data-theme="dark"] .context-menu-item:hover {
    background-color: #374151;
}

[data-theme="dark"] .context-menu-item.delete:hover {
    background-color: rgba(127, 29, 29, 0.2);
}

/* Select and option styling for dark mode */
select option {
    background-color: var(--background-white);
    color: var(--text-primary);
}

/* Placeholder styling for dark mode */
input::placeholder,
textarea::placeholder {
    color: var(--text-tertiary);
}

/* Bookmarks Grid Styles - 기존 방식 적용 */
.bookmarks-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    padding: 0;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .bookmarks-container {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }
}

@media (max-width: 1023px) {
    /* Hide sidebar by default on mobile */
    #sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 280px;
        z-index: 50;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
    }
    
    /* Show sidebar when opened */
    #sidebar.sidebar-open {
        transform: translateX(0);
    }
    
    /* 기존 모바일 중복 선택자 제거됨 - 통합된 선택자로 대체 예정 */
    
    /* 기존 iOS Safari 중복 선택자 제거됨 - 통합된 선택자로 대체 예정 */
    
    
    /* Main content should take full width on mobile */
    main {
        margin-left: 0 !important;
    }
    
    /* Show overlay when sidebar is open */
    .sidebar-overlay.show {
        display: block !important;
    }
}

/* Hamburger Menu Animation */
.hamburger-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-active span:nth-child(2) {
    opacity: 0;
}

.hamburger-active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Drag and Drop Styles */
.bookmark-card {
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    user-select: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
}

.bookmark-card[draggable="true"] {
    cursor: grab;
}

.bookmark-card[draggable="true"]:active {
    cursor: grabbing;
}

.bookmark-card img {
    pointer-events: none;
    user-select: none;
}

/* Dragging state */
.bookmark-card.dragging {
    opacity: 0.7;
    transform: rotate(3deg) scale(0.95);
    z-index: 1000;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    width: 220px !important;
    height: auto !important;
}

/* Hide all hover effects and tooltips during drag */
.bookmark-card.dragging .bookmark-actions,
.bookmark-card.dragging:hover .bookmark-actions {
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Prevent hover effects during drag */
.bookmark-card.dragging:hover {
    transform: rotate(3deg) scale(0.95) !important;
}

/* Light theme drag image */
.drag-image--light {
    background-color: var(--background-white) !important;
}
.drag-image--light .bookmark-title {
    color: var(--text-primary) !important;
}
.drag-image--light .bookmark-description {
    color: var(--text-secondary) !important;
}
.drag-image--light .bookmark-url,
.drag-image--light .bookmark-date {
    color: var(--text-tertiary) !important;
}

/* Drag over state */
.bookmark-card.drag-over {
    border-color: #28a745;
    background-color: rgba(40, 167, 69, 0.1);
    transform: scale(1.02);
}

/* Drop indicators */
.bookmark-drop-indicator {
    position: relative;
}

.bookmark-grid-drop-indicator {
    position: absolute;
    width: 4px;
    height: 240px;
    background: linear-gradient(to bottom, var(--primary-blue), var(--primary-blue-dark));
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 1001;
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
    pointer-events: none;
}

.bookmark-grid-drop-indicator.show {
    opacity: 1;
}

/* Category drag and drop styles */
.category-item {
    position: relative;
}

.category-item.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
}

.category-item.drag-over {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    background-color: rgba(59, 130, 246, 0.1);
    border-radius: 6px;
}

.category-drop-indicator {
    height: 2px;
    background-color: var(--primary-blue);
    margin: 2px 0;
    border-radius: 1px;
    opacity: 0;
    transition: opacity 0.2s;
}

.category-drop-indicator.show {
    opacity: 1;
}

/* User Dropdown Styles */
.user-dropdown {
    min-width: 220px;
    max-height: 0;
    overflow: hidden;
    transform-origin: top center;
}

.user-dropdown.show {
    opacity: 1 !important;
    transform: scale(1) !important;
    pointer-events: auto !important;
    max-height: 300px;
}

.user-dropdown .dropdown-item {
    font-size: 14px;
    white-space: nowrap;
    border: none;
    background: none;
    cursor: pointer;
}

.user-dropdown .dropdown-item:hover {
    background-color: var(--background-light);
}

.user-dropdown .dropdown-item:last-child:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

.user-dropdown-arrow {
    transition: transform 0.2s ease;
}

.user-dropdown-arrow.rotated {
    transform: rotate(180deg);
}

/* Dark theme adjustments for dropdown */
[data-theme="dark"] .user-dropdown .dropdown-item:last-child:hover {
    background-color: rgba(239, 68, 68, 0.2);
}

/* Bookmark card info section rounded corners */
.bookmark-info {
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 1rem;
}

/* Phase 4: 퍼블릭 공유 토글 스위치 */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: all 0.3s ease;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: all 0.3s ease;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary-blue);
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 1px var(--primary-blue);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

/* Dark theme toggle adjustments */
[data-theme="dark"] .toggle-slider {
    background-color: #4b5563;
}

[data-theme="dark"] .toggle-slider:before {
    background-color: #f3f4f6;
}

[data-theme="dark"] .toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary-blue);
}

/* 오픈뷰 토글 스위치 스타일 */
.openview-toggle-bg {
    transition: background-color 0.3s ease;
}

#openview-toggle:checked + .openview-toggle-bg {
    background-color: var(--primary-blue);
}

#openview-toggle:checked + .openview-toggle-bg + .openview-toggle-dot {
    transform: translateX(20px);
    background-color: white;
}

/* 오픈뷰 URL 색상 변경 */
.openview-url-active {
    color: var(--primary-blue) !important;
    font-weight: 500;
}

.openview-url-inactive {
    color: #9ca3af !important;
}

/* 다크모드 지원 */
[data-theme="dark"] .openview-toggle-bg {
    background-color: #4b5563;
}

[data-theme="dark"] #openview-toggle:checked + .openview-toggle-bg {
    background-color: var(--primary-blue);
}

/* ===== Settings Modal Styles (Stage 3) ===== */

/* Settings modal animation */
.settings-modal-animate {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Settings navigation active state */
.settings-nav-item.active {
    background-color: #eff6ff;
    color: var(--primary-blue);
    border-left: 3px solid var(--primary-blue);
}

/* Settings tab active state */
.settings-tab-item.active {
    color: var(--primary-blue);
    border-bottom: 2px solid var(--primary-blue);
}

/* Sharing sub-tab active state */
.sharing-sub-tab.active {
    background-color: var(--primary-blue);
    color: white;
}

/* Dark mode adjustments for settings modal */
[data-theme="dark"] .settings-nav-item.active {
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--primary-blue);
}

[data-theme="dark"] .settings-modal-animate {
    background-color: var(--background-dark);
}

[data-theme="dark"] .settings-nav-item {
    color: var(--text-primary-dark);
}

[data-theme="dark"] .settings-nav-item:hover {
    background-color: var(--background-dark-secondary);
}

[data-theme="dark"] #settings-modal-overlay .bg-gray-50,
[data-theme="dark"] #settings-modal-overlay .bg-gray-100 {
    background-color: var(--background-dark-secondary);
}

/* Password toggle button */
.password-toggle {
    cursor: pointer;
    transition: color 0.2s;
}

.password-toggle:hover {
    color: var(--primary-blue);
}

/* Settings section transition */
.settings-section {
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}