body {
            margin: 0;
            font-family: 'Segoe UI', Arial, sans-serif;
            background: url('../assets/dek.webp') no-repeat center center fixed;
            background-size: cover;
            height: 100vh;
            overflow: hidden;
            color: #fff;
        }
        .loading-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #000;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            z-index: 100;
            opacity: 1;
            transition: opacity 0.5s ease-out;
        }
        .loading-screen.hidden {
            opacity: 0;
            pointer-events: none;
        }
        .loading-logo {
            width: 30%;
            margin-bottom: 20px;
        }
        .loading-text {
            font-size: 24px;
            margin-bottom: 20px;
        }
        .progress-bar {
            width: 200px;
            height: 10px;
            background: #333;
            border-radius: 5px;
            overflow: hidden;
        }
        .progress {
            width: 0;
            height: 100%;
            background: rgb(250 173 0);
            animation: load 2.5s linear forwards;
        }
        @keyframes load {
            0% { width: 0; }
            100% { width: 100%; }
        }
        .progress-text {
            font-size: 16px;
            margin-top: 10px;
        }
        .desktop {
            height: calc(100vh - 40px);
            position: relative;
            padding: 10px;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
            gap: 10px;
        }
        .desktop-icon {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 80px;
            text-align: center;
            cursor: move;
            user-select: none;
            z-index: 10;
        }
        .desktop-icon img {
            width: 48px;
            height: 48px;
            margin-bottom: 5px;
        }
        .desktop-icon span {
            font-size: 12px;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
            background: rgba(0, 0, 0, 0.3);
            padding: 2px 5px;
            border-radius: 3px;
        }
        .desktop-icon:hover span {
            background: rgba(255, 255, 255, 0.2);
        }
        .taskbar {
            position: fixed;
            bottom: 0;
            width: 100%;
            height: 40px;
            background: rgb(0 0 0 / 49%);
            display: flex;
            align-items: center;
            /*padding: 0 10px;*/
            box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.3);
            z-index: 20;
        }
        .start-button {
            background: url('https://via.placeholder.com/30?text=Start') no-repeat center;
            width: 40px;
            height: 40px;
            cursor: pointer;
        }
        .start-button:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .taskbar-center {
            display: flex;
            align-items: center;
            gap: 30px;
            margin: 0 auto;
        }
        .taskbar-center img {
            width: 24px;
            height: 24px;
            cursor: pointer;
        }
        .taskbar-center img:hover {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
        }
        .taskbar-right {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .system-tray {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .battery-icon {
            width: 20px;
            height: 10px;
            border: 1px solid #fff;
            position: relative;
            background: #333;
        }
        .battery-icon::after {
            content: '';
            position: absolute;
            right: -3px;
            top: 2px;
            width: 2px;
            height: 6px;
            background: #fff;
        }
        .battery-level {
            height: 100%;
            background: #4caf50;
            width: 75%; /* Placeholder battery level */
        }
        .clock, .date {
            font-size: 12px;
            padding: 5px;
        }
        .start-menu {
            position: fixed;
            bottom: 40px;
            left: 0;
            width: 300px;
            height: 400px;
            background: rgba(45, 45, 48, 0.95);
            border: 1px solid #3a3f4a;
            display: none;
            flex-direction: column;
            padding: 10px;
            box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
            z-index: 30;
        }
        .start-menu.active {
            display: flex;
        }
        .start-menu .user-info {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;
            border-bottom: 1px solid #4a5263;
        }
        .start-menu .user-info img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
        }
        .start-menu .tiles {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            padding: 10px;
        }
        .start-menu .tile {
            background-color: #0078d4;
            padding: 10px;
            border-radius: 5px;
            text-align: center;
            cursor: pointer;
        }
        .start-menu .tile:hover {
            background-color: #005a9e;
        }
        .start-menu .tile img {
            width: 30px;
            height: 30px;
            margin-bottom: 5px;
        }
        .start-menu .tile p {
            margin: 0;
            font-size: 12px;
        }
        .window {
            position: absolute;
            background: #fff;
            border: 1px solid #ccc;
            box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
            z-index: 40;
            display: none;
            color: #000;
        }
        .window.active {
            display: block;
        }
        .window-header {
            background: #0078d4;
            color: #fff;
            padding: 5px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: move;
        }
        .window-header button {
            background: #e81123;
            border: none;
            color: #fff;
            width: 20px;
            height: 20px;
            cursor: pointer;
        }
        .window-content {
            padding: 10px;
        }
        #calculator-window {
            width: 300px;
            height: 400px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        #calculator-window .window-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 5px;
        }
        #calculator-window input {
            grid-column: span 4;
            width: 100%;
            padding: 10px;
            font-size: 18px;
            text-align: right;
            border: 1px solid #ccc;
            margin-bottom: 10px;
        }
        #calculator-window button {
            padding: 10px;
            font-size: 16px;
            cursor: pointer;
            border: 1px solid #ccc;
            /*background: #f9f9f9;*/
        }
        #calculator-window button:hover {
            background: #e0e0e0;
        }
        #notepad-window {
            width: 400px;
            height: 300px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        #notepad-window textarea {
            width: 100%;
            height: calc(100% - 50px);
            resize: none;
            padding: 10px;
            font-size: 14px;
        }
        #notepad-window button {
            margin-top: 5px;
            padding: 5px 10px;
            cursor: pointer;
        }
        #search-window {
            width: 400px;
            height: 200px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        #search-window input {
            width: 100%;
            padding: 10px;
            font-size: 14px;
            margin-bottom: 10px;
        }
        #search-window .search-results {
            max-height: 120px;
            overflow-y: auto;
        }
        #search-window .search-result {
            padding: 5px;
            border-bottom: 1px solid #eee;
            cursor: pointer;
        }
        #search-window .search-result:hover {
            background: #f0f0f0;
        }
        /* Responsive Design */
        @media (max-width: 768px) {
            .desktop {
                grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
                padding: 5px;
            }
            .desktop-icon {
                width: 70px;
            }
            .desktop-icon img {
                width: 40px;
                height: 40px;
            }
            .desktop-icon span {
                font-size: 10px;
            }
            .start-menu {
                width: 100%;
                height: 50vh;
                bottom: 40px;
                left: 0;
            }
            .start-menu .tiles {
                grid-template-columns: repeat(3, 1fr);
            }
            .taskbar {
                height: 36px;
            }
            .start-button {
                width: 36px;
                height: 36px;
                background-size: 24px;
            }
            .taskbar-center img {
                width: 20px;
                height: 20px;
            }
            .clock, .date {
                font-size: 10px;
            }
            .battery-icon {
                width: 16px;
                height: 8px;
            }
            .battery-icon::after {
                top: 1px;
                width: 2px;
                height: 5px;
            }
            .loading-logo {
                width: 100%;
                /*height: 80px;*/
            }
            .loading-text {
                font-size: 20px;
            }
            .progress-bar {
                width: 150px;
            }
            .progress-text {
                font-size: 14px;
            }
            #calculator-window, #notepad-window, #search-window {
                width: 90%;
                transform: translate(-50%, -50%);
            }
        }
        @media (max-width: 480px) {
            .desktop {
                grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
                gap: 5px;
            }
            .desktop-icon {
                width: 60px;
            }
            .desktop-icon img {
                width: 36px;
                height: 36px;
            }
            .desktop-icon span {
                font-size: 9px;
                padding: 1px 3px;
            }
            .start-menu .tiles {
                grid-template-columns: repeat(2, 1fr);
            }
            .start-menu .user-info img {
                width: 30px;
                height: 30px;
            }
            .taskbar-center img {
                width: 18px;
                height: 18px;
            }
            .clock, .date {
                font-size: 9px;
                padding: 3px;
            }
            .battery-icon {
                width: 14px;
                height: 7px;
            }
            .battery-icon::after {
                top: 1px;
                width: 1px;
                height: 4px;
            }
            .loading-logo {
                width: 100px;
                /*height: 60px;*/
            }
            .loading-text {
                font-size: 18px;
            }
            .progress-bar {
                width: 120px;
            }
            .progress-text {
                font-size: 12px;
            }
        }