/* CSS Reset and Variables */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        }

        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

        :root {
            --primary-color: #007AFF;
            --secondary-color: #5856D6;
            --background-color: #F2F2F7;
            --surface-color: #FFFFFF;
            --text-primary: #000000;
            --text-secondary: #8E8E93;
            --border-color: #C6C6C8;
            --danger-color: #FF3B30;
            --success-color: #34C759;
            --warning-color: #FF9500;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius-small: 22px;
            --radius-medium: 32px;
            --radius-large: 50px;
            --glassy-tint: rgba(255, 0, 0, 0.03);
            --edge-highlight: rgba(255, 255, 255, 0.2);
            --edge-shadow: rgba(0, 0, 0, 0.05);
            --user-name: 'User';
            --greeting: 'Welcome';
        }

        body {
            background-color: var(--background-color);
            color: var(--text-primary);
            line-height: 1.5;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: background-color 0.3s ease;
        }

        /* Header */
        header {
            background-color: var(--surface-color);
            padding: 16px;
            position: sticky;
            top: 0;
            z-index: 100;

            /* L3UI Styling */
            backdrop-filter: blur(6px) saturate(160%);
            -webkit-backdrop-filter: blur(6px) saturate(160%);
            background-color: rgba(255, 255, 255, 0.8);
            box-shadow:
                inset 0.5px 1px 0 var(--edge-highlight),
                inset -1px -1.5px 0 var(--edge-shadow),
                0 1px 1.5px rgba(0, 0, 0, 0.08),
                0 2px 4px rgba(0, 0, 0, 0.06);
        }

        .header-content {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .app-title {
            display: flex;
            flex-direction: column;
        }

        .app-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .greeting {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        .header-actions {
            display: flex;
            gap: 12px;
        }

        .header-button {
            background: none;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-small);
            transition: all 0.2s ease;
        }

        .header-button:hover {
            background-color: rgba(0, 0, 0, 0.05);
            color: var(--text-primary);
        }

        .stats {
            display: flex;
            gap: 16px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* Main Content */
        main {
            flex: 1;
            max-width: 800px;
            margin: 0 auto;
            width: 100%;
            padding: 20px 16px;
        }

        /* Search Bar */
        .search-container {
            background-color: var(--surface-color);
            border-radius: var(--radius-medium);
            padding: 16px;
            margin-bottom: 16px;

            /* L3UI Styling */
            backdrop-filter: blur(6px) saturate(160%);
            -webkit-backdrop-filter: blur(6px) saturate(160%);
            background-color: rgba(255, 255, 255, 0.9);
            box-shadow:
                inset 0.5px 1px 0 var(--edge-highlight),
                inset -1px -1.5px 0 var(--edge-shadow),
                0 1px 1.5px rgba(0, 0, 0, 0.08),
                0 2px 4px rgba(0, 0, 0, 0.06);
        }

        .search-form {
            display: flex;
            gap: 12px;
        }

        .search-input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-small);
            font-size: 16px;
            transition: all 0.2s ease;
            background: rgba(255, 255, 255, 0.8);
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
        }

        /* Add Task Button */
        .add-task-button-container {
            display: flex;
            justify-content: center;
            margin-bottom: 24px;
        }

        .add-task-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--radius-large);
            padding: 16px 32px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);

            /* L3UI Styling */
            backdrop-filter: blur(6px) saturate(160%);
            -webkit-backdrop-filter: blur(6px) saturate(160%);
            box-shadow:
                inset 0.5px 1px 0 var(--edge-highlight),
                inset -1px -1.5px 0 var(--edge-shadow),
                0 4px 12px rgba(0, 122, 255, 0.3);
        }

        .add-task-button:hover {
            background-color: #0056CC;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 122, 255, 0.4);
        }

        .add-task-button:active {
            transform: scale(0.95);
        }

        /* Add Task Form */
        .add-task-container {
            background-color: var(--surface-color);
            border-radius: var(--radius-medium);
            padding: 16px;
            margin-bottom: 24px;
            display: none;
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);

            /* L3UI Styling with balanced tint */
            backdrop-filter: blur(6px) saturate(160%);
            -webkit-backdrop-filter: blur(6px) saturate(160%);
            background-color: rgba(255, 255, 255, 0.9);
            box-shadow:
                inset 0.5px 1px 0 var(--edge-highlight),
                inset -1px -1.5px 0 var(--edge-shadow),
                0 1px 1.5px rgba(0, 0, 0, 0.08),
                0 2px 4px rgba(0, 0, 0, 0.06);
        }

        .add-task-container.active {
            display: block;
            animation: slideDown 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

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

        .add-task-container:active {
            transform: scale(0.98);
        }

        .add-task-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .task-input-row {
            display: flex;
            gap: 12px;
        }

        .task-input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-small);
            font-size: 16px;
            transition: all 0.2s ease;
            background: rgba(255, 255, 255, 0.8);
        }

        .task-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
        }

        .task-meta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .custom-select {
            position: relative;
            flex: 1;
            min-width: 120px;
        }

        .custom-select select {
            display: none;
        }

        .select-selected {
            background-color: rgba(255, 255, 255, 0.8);
            border-radius: var(--radius-small);
            border: 1px solid var(--border-color);
            padding: 10px 12px;
            cursor: pointer;
            user-select: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.2s ease;
        }

        .select-selected:after {
            content: "";
            width: 0;
            height: 0;
            border: 5px solid transparent;
            border-color: var(--text-secondary) transparent transparent transparent;
            transition: transform 0.2s ease;
        }

        .select-selected.select-arrow-active:after {
            transform: rotate(180deg);
        }

        .select-items {
            position: absolute;
            background-color: var(--surface-color);
            top: 100%;
            left: 0;
            right: 0;
            z-index: 99;
            border-radius: var(--radius-small);
            border: 1px solid var(--border-color);
            margin-top: 4px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            max-height: 200px;
            overflow-y: auto;
            display: none;
        }

        .select-items div {
            padding: 10px 12px;
            cursor: pointer;
            user-select: none;
            transition: background-color 0.2s ease;
        }

        .select-items div:hover {
            background-color: rgba(0, 0, 0, 0.05);
        }

        .select-items div.selected {
            background-color: rgba(0, 122, 255, 0.1);
            color: var(--primary-color);
        }

        .select-hide {
            display: none;
        }

        .task-category, .task-priority, .task-due-date {
            flex: 1;
            min-width: 120px;
            padding: 10px 12px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-small);
            font-size: 14px;
            background: rgba(255, 255, 255, 0.8);
            cursor: pointer;
        }

        .custom-date-input {
            position: relative;
            flex: 1;
            min-width: 120px;
        }

        .custom-date-input input {
            width: 100%;
            padding: 10px 12px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-small);
            font-size: 14px;
            background: rgba(255, 255, 255, 0.8);
            cursor: pointer;
        }

        .add-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--radius-small);
            padding: 12px 20px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            align-self: flex-end;

            /* L3UI Styling */
            backdrop-filter: blur(6px) saturate(160%);
            -webkit-backdrop-filter: blur(6px) saturate(160%);
            box-shadow:
                inset 0.5px 1px 0 var(--edge-highlight),
                inset -1px -1.5px 0 var(--edge-shadow),
                0 1px 1.5px rgba(0, 0, 0, 0.08),
                0 2px 4px rgba(0, 0, 0, 0.06);
        }

        .add-button:hover {
            background-color: #0056CC;
            transform: translateY(-1px);
        }

        .add-button:active {
            transform: scale(0.95);
        }

        /* Filter Buttons */
        .filter-buttons {
            display: flex;
            gap: 8px;
            margin-bottom: 20px;
            overflow-x: auto;
            padding-bottom: 8px;
        }

        .filter-button {
            background-color: var(--surface-color);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;

            /* L3UI Styling */
            backdrop-filter: blur(6px) saturate(160%);
            -webkit-backdrop-filter: blur(6px) saturate(160%);
            background-color: rgba(255, 255, 255, 0.8);
        }

        .filter-button.active {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }

        /* Task List */
        .task-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .task-item {
            background-color: var(--surface-color);
            border-radius: var(--radius-medium);
            padding: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            transform-origin: center;
            animation: slideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
            opacity: 0;
            transform: translateY(20px);

            /* L3UI Styling */
            backdrop-filter: blur(6px) saturate(160%);
            -webkit-backdrop-filter: blur(6px) saturate(160%);
            background-color: rgba(255, 255, 255, 0.8);
            box-shadow:
                inset 0.5px 1px 0 var(--edge-highlight),
                inset -1px -1.5px 0 var(--edge-shadow),
                0 1px 1.5px rgba(0, 0, 0, 0.08),
                0 2px 4px rgba(0, 0, 0, 0.06);
        }

        @keyframes slideIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .task-item.completed {
            background-color: rgba(52, 199, 89, 0.1);
        }

        .task-item.pinned {
            border-left: 4px solid var(--warning-color);
        }

        .task-item.important {
            border-left: 4px solid var(--danger-color);
        }

        .task-checkbox {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 2px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s ease;
            background: rgba(255, 255, 255, 0.6);
        }

        .task-checkbox.checked {
            background-color: var(--success-color);
            border-color: var(--success-color);
        }

        .task-checkbox.checked::after {
            content: "✓";
            color: white;
            font-size: 14px;
            font-weight: bold;
        }

        .task-content {
            flex: 1;
            font-size: 16px;
            transition: all 0.2s ease;
            cursor: pointer;
            padding: 4px 0;
        }

        .task-item.completed .task-content {
            text-decoration: line-through;
            color: var(--text-secondary);
        }

        .task-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 4px;
            font-size: 12px;
            color: var(--text-secondary);
        }

        .task-category-tag, .task-priority-tag, .task-due-date-tag {
            padding: 2px 6px;
            border-radius: 10px;
            background-color: rgba(0, 0, 0, 0.05);
        }

        .task-priority-tag.high {
            background-color: rgba(255, 59, 48, 0.1);
            color: var(--danger-color);
        }

        .task-priority-tag.medium {
            background-color: rgba(255, 149, 0, 0.1);
            color: var(--warning-color);
        }

        .task-priority-tag.low {
            background-color: rgba(0, 122, 255, 0.1);
            color: var(--primary-color);
        }

        .task-actions {
            display: flex;
            gap: 8px;
            opacity: 0;
            transition: opacity 0.2s ease;
        }

        .task-item:hover .task-actions {
            opacity: 1;
        }

        .task-action {
            background: none;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 6px;
            border-radius: 4px;
            transition: all 0.2s ease;
        }

        .task-action:hover {
            background-color: rgba(0, 0, 0, 0.05);
            color: var(--text-primary);
        }

        .delete-action:hover {
            color: var(--danger-color);
        }

        .edit-action:hover {
            color: var(--primary-color);
        }

        .pin-action:hover {
            color: var(--warning-color);
        }

        .important-action.active {
            color: var(--danger-color);
        }

        /* Edit Task Form */
        .edit-task-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            width: 100%;
        }

        .edit-task-input-row {
            display: flex;
            gap: 12px;
        }

        .edit-task-input {
            flex: 1;
            padding: 8px 12px;
            border: 1px solid var(--primary-color);
            border-radius: var(--radius-small);
            font-size: 16px;
            background-color: rgba(255, 255, 255, 0.8);
        }

        .edit-task-input:focus {
            outline: none;
            box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
        }

        .edit-meta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .edit-actions {
            display: flex;
            gap: 8px;
            justify-content: flex-end;
        }

        .save-button,
        .cancel-button {
            padding: 8px 12px;
            border: none;
            border-radius: var(--radius-small);
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s ease;

            /* L3UI Styling */
            backdrop-filter: blur(6px) saturate(160%);
            -webkit-backdrop-filter: blur(6px) saturate(160%);
            box-shadow:
                inset 0.5px 1px 0 var(--edge-highlight),
                inset -1px -1.5px 0 var(--edge-shadow);
        }

        .save-button {
            background-color: var(--success-color);
            color: white;
        }

        .cancel-button {
            background-color: var(--border-color);
            color: var(--text-primary);
        }

        /* Empty State */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-secondary);
        }

        .empty-state i {
            font-size: 48px;
            margin-bottom: 16px;
            opacity: 0.5;
        }

        .empty-state h2 {
            font-size: 20px;
            margin-bottom: 8px;
            font-weight: 600;
        }

        .empty-state p {
            font-size: 16px;
        }

        /* Bottom Sheet Modal */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: flex-end;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal {
            background-color: var(--surface-color);
            border-radius: var(--radius-large) var(--radius-large) 0 0;
            width: 100%;
            max-height: 85vh;
            overflow-y: auto;
            transform: translateY(100%);
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);

            /* L3UI Styling */
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow:
                inset 0.5px 1px 0 var(--edge-highlight),
                inset -1px -1.5px 0 var(--edge-shadow),
                0 -4px 20px rgba(0, 0, 0, 0.15);
        }

        .modal-overlay.active .modal {
            transform: translateY(0);
        }

        .modal-header {
            padding: 20px 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-title {
            font-size: 22px;
            font-weight: 700;
        }

        .close-button {
            background: none;
            border: none;
            font-size: 20px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-small);
            transition: all 0.2s ease;
        }

        .close-button:hover {
            background-color: rgba(0, 0, 0, 0.05);
            color: var(--text-primary);
        }

        .modal-body {
            padding: 20px;
        }

        .setting-group {
            margin-bottom: 24px;
        }

        .setting-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .color-options {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .color-option {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.2s ease;
        }

        .color-option.active {
            border-color: var(--text-primary);
            transform: scale(1.1);
        }

        .font-options {
            display: flex;
            gap: 12px;
        }

        .font-option {
            flex: 1;
            padding: 12px;
            border: 2px solid var(--border-color);
            border-radius: var(--radius-medium);
            text-align: center;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .font-option.active {
            border-color: var(--primary-color);
            background-color: rgba(0, 122, 255, 0.1);
        }

        .layout-options {
            display: flex;
            gap: 12px;
        }

        .layout-option {
            flex: 1;
            padding: 12px;
            border: 2px solid var(--border-color);
            border-radius: var(--radius-medium);
            text-align: center;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .layout-option.active {
            border-color: var(--primary-color);
            background-color: rgba(0, 122, 255, 0.1);
        }

        .name-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-small);
            font-size: 16px;
            transition: all 0.2s ease;
            background: rgba(255, 255, 255, 0.8);
        }

        .name-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
        }

        /* WATT Modal */
        .watt-modal {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .watt-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .watt-modal-content {
            background-color: var(--surface-color);
            border-radius: var(--radius-large);
            padding: 24px;
            max-width: 400px;
            width: 90%;
            text-align: center;
            transform: scale(0.9);
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);

            /* L3UI Styling */
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow:
                inset 0.5px 1px 0 var(--edge-highlight),
                inset -1px -1.5px 0 var(--edge-shadow),
                0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .watt-modal.active .watt-modal-content {
            transform: scale(1);
        }

        .watt-icon {
            font-size: 48px;
            color: var(--warning-color);
            margin-bottom: 16px;
        }

        .watt-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .watt-description {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .watt-countdown {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .watt-actions {
            display: flex;
            gap: 12px;
            justify-content: center;
        }

        .watt-button {
            padding: 12px 24px;
            border: none;
            border-radius: var(--radius-small);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            min-width: 100px;
        }

        .watt-confirm {
            background-color: var(--danger-color);
            color: white;
        }

        .watt-cancel {
            background-color: var(--border-color);
            color: var(--text-primary);
        }

        .watt-button:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        /* Daily Summary Modal */
        .summary-modal {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: flex-end;
            z-index: 1500;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .summary-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .summary-modal-content {
            background-color: var(--surface-color);
            border-radius: var(--radius-large) var(--radius-large) 0 0;
            width: 100%;
            max-height: 85vh;
            overflow-y: auto;
            transform: translateY(100%);
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);

            /* L3UI Styling */
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow:
                inset 0.5px 1px 0 var(--edge-highlight),
                inset -1px -1.5px 0 var(--edge-shadow),
                0 -4px 20px rgba(0, 0, 0, 0.15);
        }

        .summary-modal.active .summary-modal-content {
            transform: translateY(0);
        }

        .summary-header {
            padding: 20px 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .summary-title {
            font-size: 22px;
            font-weight: 700;
        }

        .summary-body {
            padding: 20px;
            text-align: center;
        }

        .summary-icon {
            font-size: 48px;
            color: var(--success-color);
            margin-bottom: 16px;
        }

        .summary-stats {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            text-align: left;
        }

        .summary-close {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--radius-small);
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            margin-top: 20px;
        }

        /* Circular Progress Chart */
        .progress-container {
            display: flex;
            justify-content: center;
            margin: 20px 0;
        }

        .circular-progress {
            position: relative;
            width: 150px;
            height: 150px;
        }

        .circular-progress svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .circular-progress-bg {
            fill: none;
            stroke: var(--border-color);
            stroke-width: 7;
        }

        .circular-progress-fill {
            fill: none;
            stroke: var(--primary-color);
            stroke-width: 7;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.8s ease;
        }

        .progress-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }

        .progress-percent {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .progress-label {
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* Footer */
        footer {
            background-color: var(--surface-color);
            padding: 16px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 14px;

            /* L3UI Styling */
            backdrop-filter: blur(6px) saturate(160%);
            -webkit-backdrop-filter: blur(6px) saturate(160%);
            background-color: rgba(255, 255, 255, 0.8);
            box-shadow:
                inset 0.5px 1px 0 var(--edge-highlight),
                inset -1px -1.5px 0 var(--edge-shadow);
        }

        .version {
            font-size: 12px;
            margin-top: 4px;
            opacity: 0.7;
        }

        /* Physics Animation Classes */
        .bounce {
            animation: bounce 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        @keyframes bounce {

            0%,
            100% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.05);
            }
        }

        .slide-out {
            animation: slideOut 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
        }

        @keyframes slideOut {
            to {
                opacity: 0;
                transform: translateX(-100%);
            }
        }

        .pulse {
            animation: pulse 0.5s ease-in-out;
        }

        @keyframes pulse {
            0% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.03);
            }

            100% {
                transform: scale(1);
            }
        }

        /* Compact layout */
        body.compact-layout .task-item {
            padding: 12px 16px;
        }

        body.compact-layout .task-content {
            font-size: 15px;
        }

        body.compact-layout .task-meta {
            font-size: 11px;
        }

        /* Responsive Design - Desktop Modal */
        @media (min-width: 768px) {
            .modal-overlay, .watt-modal, .summary-modal {
                align-items: center;
            }

            .modal, .watt-modal-content, .summary-modal-content {
                width: 90%;
                max-width: 500px;
                border-radius: var(--radius-large);
                transform: scale(0.9);
                max-height: 90vh;
            }

            .modal-overlay.active .modal,
            .watt-modal.active .watt-modal-content,
            .summary-modal.active .summary-modal-content {
                transform: scale(1);
            }
        }

        @media (max-width: 600px) {
            .header-content {
                padding: 0 16px;
            }

            main {
                padding: 16px;
            }

            .task-input-row, .edit-task-input-row {
                flex-direction: column;
            }

            .task-meta-row, .edit-meta-row {
                flex-direction: column;
            }

            .task-actions {
                opacity: 1;
            }

            .modal, .watt-modal-content, .summary-modal-content {
                width: 100%;
            }
        }

        @media (max-width: 380px) {
            .app-name {
                font-size: 18px;
            }

            .greeting {
                font-size: 12px;
            }

            .stats {
                flex-direction: column;
                gap: 4px;
            }

            .header-actions {
                gap: 8px;
            }
        }

        /* Dark Theme */
        body.dark-theme {
            --primary-color: #0A84FF;
            --secondary-color: #5E5CE6;
            --background-color: #000000;
            --surface-color: #1C1C1E;
            --text-primary: #FFFFFF;
            --text-secondary: #8E8E93;
            --border-color: #38383A;
            --danger-color: #FF453A;
            --success-color: #30D158;
            --warning-color: #FF9F0A;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            --glassy-tint: rgba(255, 0, 0, 0.05);
            --edge-highlight: rgba(255, 255, 255, 0.1);
            --edge-shadow: rgba(0, 0, 0, 0.2);
        }

        /* Sunset Theme */
        body.sunset-theme {
            --primary-color: #FF375F;
            --secondary-color: #BF5AF2;
            --background-color: #FFE8EC;
            --surface-color: #FFFFFF;
            --text-primary: #1C1C1E;
            --text-secondary: #6D6D72;
            --border-color: #D1D1D6;
            --danger-color: #FF375F;
            --success-color: #30D158;
            --warning-color: #FF9F0A;
            --shadow: 0 4px 12px rgba(255, 55, 95, 0.15);
            --glassy-tint: rgba(255, 55, 95, 0.03);
            --edge-highlight: rgba(255, 255, 255, 0.3);
            --edge-shadow: rgba(255, 55, 95, 0.1);
        }

        /* Ocean Theme */
        body.ocean-theme {
            --primary-color: #5E5CE6;
            --secondary-color: #64D2FF;
            --background-color: #F0F5FF;
            --surface-color: #FFFFFF;
            --text-primary: #1C1C1E;
            --text-secondary: #6D6D72;
            --border-color: #D1D1D6;
            --danger-color: #FF375F;
            --success-color: #30D158;
            --warning-color: #FF9F0A;
            --shadow: 0 4px 12px rgba(94, 92, 230, 0.15);
            --glassy-tint: rgba(94, 92, 230, 0.03);
            --edge-highlight: rgba(255, 255, 255, 0.3);
            --edge-shadow: rgba(94, 92, 230, 0.1);
        }

        /* Apply glassy tint to main containers */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--glassy-tint);
            pointer-events: none;
            z-index: -1;
        }

        .theme-options {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        .theme-option {
            border-radius: 12px;
            overflow: hidden;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.3s ease;
            border: 2px solid transparent;
        }

        .theme-option.active {
            border-color: var(--primary-color);
border-radius: 22px;
            box-shadow: 0 0 10px rgba(0, 122, 255, 0.3);
        }

        .theme-preview {
            width: 100%;
            height: 80px;
            background-size: cover;
            background-position: center;
            border-radius: 20px;
            display: flex;
            align-items: flex-end;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        /* Text overlay */
        .theme-preview p {
            background: rgba(0, 0, 0, 0.5);
            color: #fff;
            margin: 0;
            width: 100%;
border-bottom-left-radius: 20px;
border-bottom-right-radius: 20px;
            text-align: center;
            font-size: 14px;
            padding: 4px 0;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        /* Background images */
        .theme-light .theme-preview {
            background-image: url("https://images.unsplash.com/photo-1503264116251-35a269479413?auto=format&fit=crop&w=800&q=60");
        }

        .theme-dark .theme-preview {
            background-image: url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=800&q=60");
        }

        .theme-sunset .theme-preview {
            background-image: url("https://images.unsplash.com/photo-1501973801540-537f08ccae7b?auto=format&fit=crop&w=800&q=60");
        }

        .theme-ocean .theme-preview {
            background-image: url("https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&w=800&q=60");
        }

        /* Hover animation */
        .theme-option:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
        }

        /* Import/Export Buttons */
        .import-export-buttons {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }

        .import-button, .export-button {
            flex: 1;
            padding: 12px;
            border: none;
            border-radius: var(--radius-small);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .import-button {
            background-color: var(--success-color);
            color: white;
        }

        .export-button {
            background-color: var(--primary-color);
            color: white;
        }

        .import-button:hover, .export-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        .import-button:active, .export-button:active {
            transform: scale(0.98);
        }
.stats {
  display: flex;
  gap: 10px;
  padding: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.stat {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  backdrop-filter: blur(8px) saturate(180%);
  -webkit-backdrop-filter: blur(8px) saturate(180%);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.stat:hover {
}

/* Different tinted backgrounds */
.stat.total {
  background: rgba(0, 123, 255, 0.25); /* blue tint */
}

.stat.completed {
  background: rgba(40, 167, 69, 0.25); /* green tint */
}

.stat.pinned {
  background: rgba(255, 193, 7, 0.25); /* yellow tint */
}