/* ===============================
   Bookmarks & Collections Feature Styles
   =============================== */

/* Bookmark Nav Link Badge */
.bookmark-nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.bookmark-count-badge {
    display: none;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    line-height: 1;
}

/* Bookmark Button on Project Cards */
.bookmark-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    font-size: 1.125rem;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-base);
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.bookmark-btn:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
    color: var(--primary-500);
    transform: scale(1);
}

.bookmark-btn.bookmarked {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: white;
    opacity: 1;
    transform: scale(1);
}

.bookmark-btn.bookmarked:hover {
    background: var(--primary-600);
}

.card:hover .bookmark-btn {
    opacity: 1;
    transform: scale(1);
}

/* Collection Button on Project Cards */
.collection-btn {
    position: absolute;
    top: 12px;
    right: 56px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    font-size: 1.125rem;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-base);
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.collection-btn:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
    color: var(--primary-500);
    transform: scale(1);
}

.collection-btn.visible {
    opacity: 1;
    transform: scale(1);
}

.card:hover .collection-btn.visible {
    opacity: 1;
    transform: scale(1);
}

/* Dark theme adjustments */
html[data-theme="dark"] .bookmark-btn,
html[data-theme="dark"] .collection-btn {
    background: var(--surface-elevated);
    border-color: var(--border-default);
}

html[data-theme="dark"] .bookmark-btn:hover,
html[data-theme="dark"] .collection-btn:hover {
    background: rgba(99, 102, 241, 0.2);
}

html[data-theme="dark"] .bookmark-btn.bookmarked {
    background: var(--primary-500);
}

/* Bookmark Animation */
@keyframes bookmarkPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

.bookmark-btn.animate {
    animation: bookmarkPop 0.3s ease;
}

/* ===============================
   Collection Dropdown
   =============================== */

.collection-dropdown {
    min-width: 200px;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: dropdownFadeIn 0.2s ease;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.collection-dropdown-header {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-light);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.collection-dropdown-list {
    max-height: 200px;
    overflow-y: auto;
}

.collection-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: none;
    border: none;
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
}

.collection-dropdown-item:hover {
    background: var(--surface-hover);
}

.collection-dropdown-item.in-collection {
    background: var(--primary-50);
}

.collection-dropdown-item i:first-child {
    font-size: 1rem;
}

.collection-dropdown-item .check-icon {
    margin-left: auto;
    color: var(--primary-500);
}

.collection-dropdown-footer {
    padding: var(--space-2);
    border-top: 1px solid var(--border-light);
}

.collection-dropdown-create {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--primary-500);
    cursor: pointer;
    transition: all var(--transition-base);
}

.collection-dropdown-create:hover {
    background: var(--primary-50);
}

/* ===============================
   Collection Modal
   =============================== */

.collection-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10002;
    animation: modalOverlayFadeIn 0.2s ease;
}

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

.collection-modal {
    background: var(--surface);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 400px;
    box-shadow: var(--shadow-2xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.collection-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5);
    border-bottom: 1px solid var(--border-light);
}

.collection-modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.collection-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.collection-modal-close:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.collection-modal-body {
    padding: var(--space-5);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input[type="text"] {
    width: 100%;
    padding: var(--space-3);
    background: var(--surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-group input[type="text"].error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.icon-picker,
.color-picker {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.icon-option {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--surface);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1.125rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.icon-option:hover {
    border-color: var(--primary-300);
    color: var(--primary-500);
}

.icon-option.selected {
    border-color: var(--primary-500);
    background: var(--primary-50);
    color: var(--primary-500);
}

.color-option {
    width: 32px;
    height: 32px;
    border: 3px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.selected {
    border-color: var(--text-primary);
    transform: scale(1.15);
}

.collection-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-light);
}

/* ===============================
   Bookmarks Page Layout
   =============================== */

.bookmarks-section {
    padding: var(--space-20) var(--space-6);
    padding-top: calc(var(--space-20) + 80px);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}


.bookmarks-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  flex: 1;                
  align-items: stretch;
}


/* Collections Sidebar */
.collections-sidebar {
    flex-shrink: 0;
    width: 280px;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.collections-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-light);
}

.collections-header h3 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 1.125rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-icon:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
    color: var(--primary-500);
}

.btn-icon-sm {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-base);
    opacity: 0;
}

.btn-icon-sm:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.collections-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.collection-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-3);
    background: none;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
    position: relative;
}

.collection-item:hover {
    background: var(--surface-hover);
}

.collection-item:hover .btn-icon-sm {
    opacity: 1;
}

.collection-item.active {
    background: var(--primary-50);
    color: var(--primary-600);
}

.collection-item.drag-over {
    background: var(--primary-100);
    border: 2px dashed var(--primary-500);
}

.collection-item i:first-child {
    font-size: 1.125rem;
    flex-shrink: 0;
}

.collection-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.collection-count {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--surface-elevated);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.collection-actions {
    display: flex;
    gap: var(--space-1);
    margin-left: auto;
}

/* Main Content Area */
.bookmarks-layout.empty-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}
.bookmarks-layout.empty-layout .collections-sidebar {
    width: 100%;
    max-width: 400px;
    position: static;
}
.bookmarks-layout.empty-layout .bookmarks-main {
    align-items: center;
}

.bookmarks-main {
   display: flex;
   flex-direction: column;
   min-height: calc(100vh - 250px);
}

.bookmarks-main.empty {
  justify-content: center;
  align-items: center;
  text-align: center;
}

.bookmarks-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
    gap: var(--space-4);
}
.bookmarks-main.empty .bookmarks-controls {
  display: none;
}
.bookmarks-info h3 {
    margin: 0 0 var(--space-1) 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.bookmarks-info span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.bookmarks-actions {
    display: flex;
    gap: var(--space-3);
}

.clear-bookmarks-btn {
    gap: var(--space-2);
}

.clear-bookmarks-btn:hover {
    border-color: #ef4444;
    color: #ef4444;
}

/* Bookmarks Grid */
.bookmarks-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-6);
}

/* Bookmark Card */
.bookmark-card {
    position: relative;
    background: var(--surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.bookmark-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-500);
}

.bookmark-card.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}

.bookmark-card-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.bookmark-card .card-cover {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary-500);
    background: var(--gradient-subtle);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.bookmark-card:hover .card-cover i {
    transform: scale(1.2) rotate(5deg);
}

.bookmark-card .card-content {
    padding: var(--space-5);
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Collection Tags */
.collection-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-2);
    margin-bottom: var(--space-2);
}

.collection-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 500;
}

.collection-tag i {
    font-size: 0.625rem;
}

/* Bookmark Card Actions */
.bookmark-card-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    gap: var(--space-2);
}

.add-to-collection-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.add-to-collection-btn:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
    color: var(--primary-500);
}

/* Remove Bookmark Button */
.remove-bookmark-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-500);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: 1.125rem;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.remove-bookmark-btn:hover {
    background: #ef4444;
    transform: scale(1.1);
}

/* Empty State */
.bookmarks-empty-state {
  display: none;              /* default hidden */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  max-width: 480px;
}



.bookmarks-empty-state .empty-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-subtle);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.bookmarks-empty-state .empty-icon i {
    font-size: 3rem;
    color: var(--primary-500);
}

.bookmarks-empty-state h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.bookmarks-empty-state p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

/* Toast Notification */
.bookmark-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--surface-elevated);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-xl);
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s ease;
}

.bookmark-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.bookmark-toast i {
    font-size: 1.25rem;
    color: var(--primary-500);
}

.bookmark-toast span {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Dark Theme Adjustments */
html[data-theme="dark"] .collection-dropdown,
html[data-theme="dark"] .collection-modal {
    background: var(--surface-elevated);
}

html[data-theme="dark"] .collections-sidebar {
    background: var(--surface-elevated);
}

html[data-theme="dark"] .collection-item.active {
    background: rgba(99, 102, 241, 0.15);
}

html[data-theme="dark"] .collection-dropdown-item.in-collection {
    background: rgba(99, 102, 241, 0.15);
}

html[data-theme="dark"] .icon-option.selected {
    background: rgba(99, 102, 241, 0.2);
}

/* Responsive */
@media (max-width: 1024px) {
    .bookmarks-layout:not(.empty-layout) {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .bookmarks-layout.empty-layout {
        gap: 2rem;
        padding: 0 1rem;
    }

    .bookmarks-layout.empty-layout .collections-sidebar {
        max-width: 100%;
    }

    .bookmarks-empty-state {
        max-width: 100%;
    }
}


@media (max-width: 768px) {
    .bookmarks-section {
        padding-top: calc(var(--space-16) + 70px);
    }
    
    .bookmarks-container {
        grid-template-columns: 1fr;
    }
    
    .bookmarks-controls {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 576px) {
    .bookmark-btn,
    .collection-btn {
        opacity: 1;
        transform: scale(1);
    }
    
    .bookmarks-container {
        gap: var(--space-4);
        padding: 0;
    }
    
    .collections-sidebar {
        padding: var(--space-3);
    }
    
    .collection-item {
        padding: var(--space-2);
        font-size: 0.8125rem;
    }
}