/* ========================================
   ADVANCED TODO OVERLAY
   ======================================== */

.advanced-todo-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay-bg-strong);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 9999;
    opacity: 0;
    transition: opacity var(--transition-speed-slow) ease;
}
.advanced-todo-overlay.active {
    display: flex;
    opacity: 1;
    animation: overlayFadeIn 0.3s ease-out;
}

.advanced-todo-container {
    width: 95%;
    max-width: 1400px;
    height: 90vh;
    margin: auto;
    background: color-mix(in srgb, var(--card-bg) 95%, transparent);
    backdrop-filter: blur(var(--backdrop-blur-strong));
    -webkit-backdrop-filter: blur(var(--backdrop-blur-strong));
    border-radius: var(--spacing-2xl);
    box-shadow: var(--box-shadow-modal);
    display: flex;
    overflow: hidden;
    animation: containerSlideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative; /* Context for absolute positioning */
}

/* Sidebar */
.todo-sidebar {
    width: 280px;
    background: color-mix(in srgb, var(--highlight-color) 50%, transparent);
    border-right: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    scrollbar-width: none;
}
.todo-sidebar::-webkit-scrollbar {
    display: none;
}

/* Collapsed Sidebar Logic */
.todo-sidebar.collapsed {
    width: 80px;
}
.todo-sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: 1.5rem 0;
}
.todo-sidebar.collapsed .sidebar-header h2 {
    display: none;
}
/* Hide specific elements when collapsed */
.todo-sidebar.collapsed .todo-stats-compact,
.todo-sidebar.collapsed .section-header h3,
.todo-sidebar.collapsed .section-header #addFolderBtn,
.todo-sidebar.collapsed .folder-item-text,
.todo-sidebar.collapsed .folder-actions,
.todo-sidebar.collapsed .quick-filter span {
    display: none !important;
}
/* Adjust layout for icons when collapsed */
.todo-sidebar.collapsed .sidebar-section {
    padding: 1rem 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.todo-sidebar.collapsed .folders-list,
.todo-sidebar.collapsed .quick-filters {
    align-items: center;
    width: 100%;
}
.todo-sidebar.collapsed .folder-item,
.todo-sidebar.collapsed .quick-filter {
    justify-content: center;
    padding: 0.85rem;
    width: 50px;
    height: 50px;
}
.todo-sidebar.collapsed .folder-icon,
.todo-sidebar.collapsed .quick-filter i {
    margin: 0;
    font-size: var(--font-size-lg);
    text-align: center;
    width: auto;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    min-height: 80px;
}
.toggle-sidebar-btn {
    background: transparent;
    border: none;
    color: var(--accent-color);
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.toggle-sidebar-btn:hover {
    background: var(--card-bg);
    transform: scale(1.1);
}
.sidebar-header h2 {
    font-size: var(--font-size-xl);
    color: var(--accent-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

/* Compact Stats */
.todo-stats-compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}
.stat-compact {
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-sm);
    background: var(--card-bg);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-speed) ease;
}
.stat-compact:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-md);
}
.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--accent-color);
    animation: numberPop 0.3s ease;
}
.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sidebar Sections */
.sidebar-section {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    min-height: 32px; /* Prevent collapse when empty */
}
.section-header h3 {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}
.icon-btn {
    background: transparent;
    border: none;
    color: var(--accent-color);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.35rem;
    border-radius: var(--border-radius-xs);
    transition: all 0.2s ease;
}
.icon-btn:hover {
    background: var(--card-bg);
    transform: scale(1.1);
}

/* Folders List */
.folders-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.folder-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    text-align: left;
    position: relative;
    overflow: hidden;
}
.folder-item:hover {
    background: var(--highlight-color);
    border-color: color-mix(in srgb, var(--border-color) 80%, transparent);
    transform: translateX(2px);
}
.folder-item.active {
    background: color-mix(in srgb, var(--folder-color, var(--accent-color)) 15%, var(--card-bg));
    border-color: color-mix(in srgb, var(--folder-color, var(--accent-color)) 30%, transparent);
}
.folder-icon {
    font-size: var(--font-size-lg);
    color: var(--folder-color, var(--accent-color));
    flex-shrink: 0;
    transition: transform 0.2s ease;
    width: 24px;
    text-align: center;
}
.folder-item:hover .folder-icon {
    transform: scale(1.15);
}
.folder-item-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    overflow: hidden;
}
.folder-name {
    font-weight: 600;
    color: var(--text-color);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.folder-count {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}
.folder-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.folder-item:hover .folder-actions {
    opacity: 1;
}
.folder-action-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--border-radius-xs);
    transition: all 0.2s ease;
}
.folder-action-btn:hover {
    background: var(--highlight-color);
    color: var(--accent-color);
}
.delete-folder:hover {
    background: var(--danger-bg);
    color: var(--danger-hover);
}

/* Quick Filters */
.quick-filters {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.quick-filter {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    font-size: var(--font-size-sm);
}
.quick-filter:hover {
    background: var(--highlight-color);
    color: var(--text-color);
    transform: translateX(2px);
}
.quick-filter.active {
    background: var(--accent-color);
    color: var(--text-on-accent);
    box-shadow: 0 4px 12px var(--accent-glow);
}
.quick-filter i {
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
}
.quick-filter.active i {
    color: var(--bg-color) !important;
}

/* Main Content */
.todo-main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative; /* For FAB positioning */
}

/* Todo Header */
.todo-content-header {
    padding: 1.5rem 2rem;
    padding-right: 5rem; /* Make space for close button */
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    background: color-mix(in srgb, var(--card-bg) 50%, transparent);
    position: relative;
    min-height: 80px;
}
.close-btn-todo {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-pill);
    color: var(--accent-color);
    font-size: var(--font-size-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 100;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.close-btn-todo:hover {
    background: var(--danger-color);
    color: var(--text-on-danger);
    border-color: var(--danger-color);
    transform: rotate(90deg) scale(1.1);
}
.header-left {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.header-left h1 {
    font-size: var(--font-size-2xl);
    color: var(--text-color);
    margin: 0;
    font-weight: 700;
}
.task-count {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Search */
.search-container {
    position: relative;
    display: flex;
    align-items: center;
}
.search-container i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}
#taskSearch {
    padding: 0.65rem 1rem 0.65rem 2.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--card-bg);
    color: var(--text-color);
    font-size: var(--font-size-sm);
    width: 250px;
    transition: all 0.3s ease;
}
#taskSearch:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color) 20%, transparent);
    width: 300px;
}

/* View Switcher */
.view-switcher {
    display: flex;
    background: var(--highlight-color);
    border-radius: var(--border-radius-sm);
    padding: 0.25rem;
    gap: 0.25rem;
}
.view-btn {
    padding: 0.5rem 0.85rem;
    background: transparent;
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s ease;
}
.view-btn:hover {
    background: var(--card-bg);
    color: var(--accent-color);
}
.view-btn.active {
    background: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--accent-color) 40%, transparent);
}

/* Dropdown */
.dropdown-container {
    position: relative;
}
.dropdown-btn {
    padding: 0.65rem 1.25rem;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-color);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}
.dropdown-btn:hover {
    border-color: var(--accent-color);
    background: var(--highlight-color);
}
.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--box-shadow-hover);
    min-width: 200px;
    display: none;
    z-index: 100;
    animation: dropdownSlide 0.2s ease;
    max-height: 400px;
    overflow-y: auto;
}
.dropdown-menu.active {
    display: block;
}
.dropdown-item {
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    color: var(--text-color);
    cursor: pointer;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s ease;
}
.dropdown-item:hover {
    background: var(--highlight-color);
    color: var(--accent-color);
}
.dropdown-item i {
    width: 20px;
    color: var(--accent-color);
}
.filter-section {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}
.filter-section:last-child {
    border-bottom: none;
}
.filter-section h4 {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 0.5rem 0;
    font-weight: 600;
}
.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    cursor: pointer;
    transition: all 0.2s ease;
}
.filter-checkbox:hover {
    color: var(--accent-color);
}
.filter-checkbox input {
    accent-color: var(--accent-color);
    cursor: pointer;
}

/* Floating Action Button (FAB) for New Task */
.add-task-btn {
    position: absolute;
    bottom: 2.5rem;
    right: 2.5rem;
    padding: 1rem 1.75rem;
    background: var(--accent-color);
    border: none;
    border-radius: var(--border-radius-pill);
    color: var(--bg-color);
    cursor: pointer;
    font-size: var(--font-size-lg);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 8px 24px color-mix(in srgb, var(--accent-color) 40%, transparent);
    z-index: 50;
    animation: scaleIn 0.3s backwards;
}
.add-task-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 30px color-mix(in srgb, var(--accent-color) 50%, transparent);
}
.add-task-btn:active {
    transform: translateY(-2px);
}

/* Content Area */
.todo-content-area {
    flex: 1;
    overflow: hidden;
    position: relative;
    /* Ensure list goes under the FAB */
}
.list-view {
    display: none;
    height: 100%;
    overflow-y: auto;
    padding: 1.5rem 2rem;
    padding-bottom: 6rem; /* Space for FAB */
}
.list-view.active {
    display: block;
}
.tasks-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Task Item */
.task-item {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    animation: taskSlideIn 0.4s ease backwards;
}
.task-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--priority-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}
.task-item:hover {
    border-color: var(--accent-color);
    transform: translateX(6px);
    box-shadow: var(--box-shadow-lg);
}
.task-item:hover::before {
    transform: scaleY(1);
}
.task-item.completed {
    opacity: 0.6;
}
.task-item.completed .task-title {
    text-decoration: line-through;
}
.task-item.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}
.task-checkbox {
    width: 1.5rem;
    height: 1.5rem;
    accent-color: var(--accent-color);
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 0.25rem;
}
.task-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.task-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.task-priority {
    font-size: 1rem;
    flex-shrink: 0;
}
.task-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-color);
    flex: 1;
    line-height: 1.4;
}
.task-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.task-meta-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.task-meta-item i {
    font-size: var(--font-size-sm);
}
.task-folder-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.task-difficulty {
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    background: var(--highlight-color);
}
.task-due-date {
    color: var(--text-muted);
}
.task-due-date.overdue {
    color: var(--danger-color);
    font-weight: var(--font-weight-semibold);
}
.task-subtasks-indicator {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: var(--font-size-sm);
}
.task-actions {
    display: flex;
    gap: 0.35rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.task-item:hover .task-actions {
    opacity: 1;
}
.task-action-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
}
.task-action-btn:hover {
    background: var(--highlight-color);
    color: var(--accent-color);
    transform: scale(1.1);
}
.task-action-btn.delete:hover {
    background: var(--danger-bg);
    color: var(--danger-hover);
}

/* Empty State */
.empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-muted);
    animation: fadeIn 0.5s ease;
}
.empty-state.active {
    display: flex;
}
.empty-state i {
    font-size: var(--font-size-display);
    margin-bottom: 1rem;
    opacity: 0.5;
}
.empty-state h3 {
    font-size: var(--font-size-xl);
    margin: 0 0 0.5rem 0;
}
.empty-state p {
    font-size: 1rem;
    margin: 0;
}

/* Calendar View */
.calendar-view {
    display: none;
    height: 100%;
    overflow-y: auto;
    padding: 1.5rem 2rem;
    padding-bottom: 6rem;
}
.calendar-view.active {
    display: block;
}
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}
.calendar-header h3 {
    font-size: var(--font-size-xl);
    color: var(--text-color);
    margin: 0;
}
.calendar-nav-btn {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-color);
    cursor: pointer;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.2s ease;
}
.calendar-nav-btn:hover {
    border-color: var(--accent-color);
    background: var(--highlight-color);
    transform: scale(1.05);
}
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1rem;
}
.calendar-day-header {
    text-align: center;
    font-weight: 600;
    color: var(--text-color);
    padding: 1rem 0;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.calendar-day {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem;
    min-height: 100px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}
.calendar-day:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.calendar-day.other-month {
    opacity: 0.4;
}
.calendar-day.today {
    border-color: var(--accent-color);
    background: color-mix(in srgb, var(--accent-color) 10%, var(--card-bg));
}
.calendar-day-number {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}
.calendar-tasks {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.calendar-task-dot {
    width: 100%;
    height: 4px;
    border-radius: var(--border-radius-xs);
    background: var(--priority-color);
}

/* Task Edit Modal */
.task-edit-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay-bg-strong);
    backdrop-filter: blur(12px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.task-edit-modal.active {
    display: flex;
    opacity: 1;
    animation: modalFadeIn 0.3s ease;
}
.task-edit-container {
    background: var(--card-bg);
    border-radius: var(--spacing-xl);
    width: 100%;
    max-width: 700px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--box-shadow-modal);
    animation: modalSlideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.task-edit-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.task-edit-header h2 {
    font-size: var(--font-size-xl);
    color: var(--accent-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.close-btn-modal {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
}
.close-btn-modal:hover {
    background: var(--highlight-color);
    color: var(--accent-color);
    transform: scale(1.1) rotate(90deg);
}
.task-edit-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 2rem;
}
.form-group-edit {
    margin-bottom: 1.5rem;
}
.form-group-edit label {
    display: block;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: var(--font-size-sm);
}
.form-group-edit input[type="text"],
.form-group-edit input[type="datetime-local"],
.form-group-edit textarea,
.form-group-edit select {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--input-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}
.form-group-edit input:focus,
.form-group-edit textarea:focus,
.form-group-edit select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color) 20%, transparent);
}
.form-group-edit textarea {
    resize: vertical;
    min-height: 100px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.priority-flags {
    display: flex;
    gap: 0.75rem;
}
.priority-flag {
    padding: 0.75rem 1.25rem;
    background: var(--highlight-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--font-size-lg);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}
.priority-flag:hover {
    transform: translateY(-3px);
    border-color: var(--priority-flag-color);
}
.priority-flag.active {
    background: var(--priority-flag-color);
    border-color: var(--priority-flag-color);
    transform: scale(1.1);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--priority-flag-color) 40%, transparent);
}
.priority-flag.active i {
    color: white;
}
.priority-flag[data-priority="very-high"] { --priority-flag-color: #dc2626; }
.priority-flag[data-priority="high"] { --priority-flag-color: #ea580c; }
.priority-flag[data-priority="medium"] { --priority-flag-color: #f59e0b; }
.priority-flag[data-priority="low"] { --priority-flag-color: #10b981; }
.priority-flag[data-priority="very-low"] { --priority-flag-color: #3b82f6; }
.priority-flag i {
    color: var(--priority-flag-color);
    transition: color 0.2s ease;
}
.attachments-area, .reminders-area, .subtasks-area, .attachments-list, .reminders-list, .subtasks-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.add-attachment-btn, .add-reminder-btn {
    padding: 0.75rem 1rem;
    background: var(--highlight-color);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-color);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}
.add-attachment-btn:hover, .add-reminder-btn:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    border-style: solid;
    border-color: var(--accent-color);
}
.attachment-item, .reminder-item, .subtask-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--highlight-color);
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
}
.attachment-item:hover, .reminder-item:hover {
    background: var(--card-bg);
    transform: translateX(4px);
}
.subtask-item:hover {
    background: var(--card-bg);
}
.attachment-icon {
    font-size: var(--font-size-lg);
    color: var(--accent-color);
}
.attachment-name, .reminder-time, .subtask-text {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--text-color);
}
.attachment-name {
    word-break: break-word;
}
.subtask-item.completed .subtask-text {
    text-decoration: line-through;
    opacity: 0.6;
}
.attachment-remove, .reminder-remove, .subtask-remove {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    border-radius: var(--border-radius-xs);
    transition: all 0.2s ease;
}
.attachment-remove:hover, .reminder-remove:hover, .subtask-remove:hover {
    background: var(--danger-bg);
    color: var(--danger-hover);
}
.repeating-options {
    margin-top: 0.75rem;
}
.repeating-options select {
    width: 100%;
}
.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
}
.toggle-label input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--accent-color);
    cursor: pointer;
}
.add-subtask-input {
    display: flex;
    gap: 0.5rem;
}
.add-subtask-input input {
    flex: 1;
}
.add-subtask-input button {
    padding: 0.85rem 1.25rem;
    background: var(--accent-color);
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--bg-color);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s ease;
}
.add-subtask-input button:hover {
    transform: scale(1.05);
}
.subtask-item input[type="checkbox"] {
    accent-color: var(--accent-color);
    cursor: pointer;
}
.task-edit-footer, .folder-edit-footer {
    padding: 1.25rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Folder Edit Modal */
.folder-edit-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay-bg-strong);
    backdrop-filter: blur(12px);
    z-index: 10001;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
.folder-edit-modal.active {
    display: flex;
    animation: modalFadeIn 0.3s ease;
}
.folder-edit-container {
    background: var(--card-bg);
    border-radius: var(--spacing-xl);
    width: 100%;
    max-width: 550px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--box-shadow-modal);
    animation: modalSlideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.folder-edit-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.folder-edit-header h2 {
    font-size: var(--font-size-xl);
    color: var(--accent-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.folder-edit-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 2rem;
}
.color-picker-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 0.75rem;
}
.color-option {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}
.color-option:hover {
    transform: scale(1.1);
    box-shadow: var(--box-shadow-md);
}
.color-option.active {
    border-color: var(--text-color);
    transform: scale(1.15);
}
.color-option.active::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}
.icon-picker-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 0.5rem;
    max-height: 200px;
    overflow-y: auto;
    padding: 0.5rem;
    background: var(--highlight-color);
    border-radius: var(--border-radius-sm);
}
.icon-option {
    width: 45px;
    height: 45px;
    background: var(--card-bg);
    border: 2px solid transparent;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    transition: all 0.2s ease;
}
.icon-option:hover {
    transform: scale(1.15);
    border-color: var(--accent-color);
    background: var(--highlight-color);
}
.icon-option.active {
    border-color: var(--accent-color);
    background: color-mix(in srgb, var(--accent-color) 20%, var(--card-bg));
    color: var(--accent-color);
    transform: scale(1.1);
}