@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800&display=swap');

:root {
    --text: #f8faff;
    --muted: #d5dcf4;
    --glass: rgba(23, 29, 62, 0.78);
    --glass-light: rgba(255, 255, 255, 0.12);
    --border: rgba(255, 255, 255, 0.16);
    --accent: #b9a8ff;
    --taskbar-height: 68px;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
}

body {
    overflow: hidden;
    font-family: 'Nunito', sans-serif;
    color: var(--text);
    background: #11142c;
    user-select: none;
}

button,
input,
textarea {
    font: inherit;
}

button {
    color: inherit;
    cursor: pointer;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.desktop {
    position: relative;
    isolation: isolate;
    width: 100%;
    height: 100%;
    min-height: 400px;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 15% 20%, rgba(99, 116, 255, 0.68), transparent 42%),
        radial-gradient(ellipse at 85% 25%, rgba(196, 113, 255, 0.48), transparent 38%),
        radial-gradient(ellipse at 65% 90%, rgba(66, 190, 211, 0.28), transparent 40%),
        linear-gradient(135deg, #171a3b, #28265b 48%, #161c40);
}

.desktop::before,
.desktop::after {
    position: absolute;
    z-index: -1;
    content: "";
    pointer-events: none;
    border-radius: 50%;
    filter: blur(2px);
}

.desktop::before {
    width: 48vw;
    height: 48vw;
    top: 25%;
    left: 25%;
    border: 1px solid rgba(255, 255, 255, 0.09);
    box-shadow:
        0 0 100px rgba(158, 143, 255, 0.12),
        inset 0 0 100px rgba(158, 143, 255, 0.08);
}

.desktop::after {
    width: 24vw;
    height: 24vw;
    top: 40%;
    left: 38%;
    background: rgba(147, 158, 255, 0.07);
    box-shadow: 0 0 120px rgba(147, 158, 255, 0.12);
}

/* Top bar */

.desktop-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    min-height: 62px;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: linear-gradient(
        180deg,
        rgba(10, 12, 35, 0.22),
        transparent
    );
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    letter-spacing: 1.4px;
    font-size: 14px;
}

.brand-icon {
    font-size: 23px;
    color: #d5caff;
}

.edition {
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 9px;
    letter-spacing: 1px;
    color: var(--muted);
}

.header-message {
    font-size: 12px;
    color: var(--muted);
    text-align: right;
}

/* Desktop shortcuts */

.desktop-icons {
    position: absolute;
    top: 85px;
    left: 20px;
    display: grid;
    grid-template-columns: 84px;
    gap: 12px;
}

.desktop-icon {
    width: 84px;
    min-height: 90px;
    padding: 9px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 13px;
    font-size: 11px;
    font-weight: 700;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.35);
    transition:
        background 180ms ease,
        border-color 180ms ease,
        transform 180ms ease;
}

.desktop-icon:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.13);
    transform: translateY(-2px);
}

.desktop-icon:active {
    transform: scale(0.95);
}

.app-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    font-size: 27px;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 22px rgba(9, 11, 35, 0.12);
}

/* Window area */

.window-area {
    position: absolute;
    inset: 62px 0 var(--taskbar-height);
    pointer-events: none;
}

.window {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(660px, calc(100% - 150px));
    height: min(450px, calc(100% - 36px));
    min-width: 280px;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    pointer-events: auto;
    background: rgba(27, 31, 62, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 17px;
    box-shadow: 0 25px 90px rgba(5, 7, 25, 0.4);
    backdrop-filter: blur(24px);
    animation: windowEnter 220ms ease both;
}

@keyframes windowEnter {
    from {
        opacity: 0;
        transform: translate(-50%, -47%) scale(0.97);
    }

    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.window.maximized {
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 0;
}

.window.minimized {
    display: none;
}

.window-titlebar {
    height: 49px;
    min-height: 49px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 14px;
    background: rgba(255, 255, 255, 0.055);
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    cursor: grab;
}

.window-titlebar:active {
    cursor: grabbing;
}

.window-title {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 12px;
    font-weight: 800;
}

.window-title-icon {
    font-size: 17px;
}

.window-controls {
    display: flex;
    align-items: center;
    gap: 6px;
}

.window-controls button {
    width: 27px;
    height: 27px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.09);
    font-size: 12px;
    transition: background 150ms ease;
}

.window-controls button:hover {
    background: rgba(255, 255, 255, 0.18);
}

.window-controls .window-close:hover {
    background: #e55f79;
}

.window-content {
    flex: 1;
    min-height: 0;
    overflow: auto;
    padding: 22px;
    color: #f4f5ff;
}

.window-content h2 {
    margin: 0 0 8px;
    font-size: 23px;
}

.window-content p {
    color: #c3cae8;
    line-height: 1.65;
    font-size: 13px;
}



.taskbar {
    position: absolute;
    z-index: 1000;
    left: 0;
    right: 0;
    bottom: 0;
    height: var(--taskbar-height);
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 0 18px;
    background: rgba(16, 19, 43, 0.76);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(22px);
}

.start-button {
    height: 43px;
    padding: 0 17px;
    display: flex;
    align-items: center;
    gap: 9px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.12);
    font-size: 12px;
    font-weight: 800;
    transition: background 160ms ease;
}

.start-button:hover,
.start-button.active {
    background: rgba(177, 162, 255, 0.25);
}

.start-button span:first-child {
    font-size: 20px;
    color: #d4c7ff;
}

.taskbar-apps {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 7px;
    overflow-x: auto;
    scrollbar-width: none;
}

.taskbar-app {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    font-size: 20px;
    transition: background 160ms ease;
}

.taskbar-app:hover,
.taskbar-app.active {
    background: rgba(255, 255, 255, 0.12);
}

.taskbar-app.active {
    border-bottom: 2px solid #c8baff;
}

.system-tray {
    display: flex;
    align-items: center;
    gap: 13px;
    font-size: 12px;
    color: #e2e5ff;
}

.power-button {
    width: 35px;
    height: 35px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.09);
    font-size: 17px;
}

.power-button:hover {
    background: rgba(255, 255, 255, 0.18);
}



.start-menu {
    position: absolute;
    z-index: 1100;
    left: 18px;
    bottom: calc(var(--taskbar-height) + 12px);
    width: min(360px, calc(100% - 36px));
    max-height: min(570px, calc(100% - 100px));
    overflow: auto;
    padding: 20px;
    background: rgba(27, 30, 62, 0.96);
    border: 1px solid var(--border);
    border-radius: 21px;
    box-shadow: 0 20px 70px rgba(5, 7, 25, 0.38);
    backdrop-filter: blur(25px);
    animation: menuEnter 170ms ease both;
}

.start-menu[hidden] {
    display: none;
}

@keyframes menuEnter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

.start-menu-heading {
    display: flex;
    align-items: center;
    gap: 13px;
    margin-bottom: 20px;
}

.start-avatar {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    background: rgba(183, 169, 255, 0.17);
    border-radius: 15px;
    font-size: 25px;
}

.start-menu-heading strong {
    font-size: 14px;
}

.start-menu-heading p {
    margin: 3px 0 0;
    color: var(--muted);
    font-size: 11px;
}

#appSearch {
    width: 100%;
    height: 42px;
    padding: 0 13px;
    color: white;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    border-radius: 11px;
    outline: none;
    font-size: 12px;
}

#appSearch::placeholder {
    color: #aeb6da;
}

#appSearch:focus {
    border-color: var(--accent);
}

.start-apps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin: 16px 0;
}

.start-app {
    min-height: 82px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    font-size: 11px;
    transition: background 150ms ease;
}

.start-app:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border);
}

.start-app span {
    font-size: 25px;
}

.start-menu-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 13px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 10px;
}

.start-menu-footer button {
    width: 27px;
    height: 27px;
    border: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.09);
}



.notification {
    position: absolute;
    z-index: 2000;
    right: 20px;
    bottom: calc(var(--taskbar-height) + 16px);
    max-width: min(340px, calc(100% - 40px));
    padding: 14px 18px;
    color: white;
    background: rgba(30, 34, 68, 0.96);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
    font-size: 12px;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition:
        opacity 180ms ease,
        transform 180ms ease;
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}



.app-button {
    padding: 10px 15px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    background: rgba(174, 157, 255, 0.2);
    font-size: 12px;
    font-weight: 700;
    transition: background 150ms ease;
}

.app-button:hover {
    background: rgba(174, 157, 255, 0.32);
}

.app-input,
.app-textarea {
    width: 100%;
    padding: 12px;
    color: white;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--border);
    border-radius: 10px;
    outline: none;
    font-size: 12px;
}

.app-textarea {
    min-height: 180px;
    resize: vertical;
}

.app-input::placeholder,
.app-textarea::placeholder {
    color: #aeb6da;
}


@media (max-width: 600px) {
    .desktop-header {
        padding: 0 14px;
    }

    .header-message {
        display: none;
    }

    .desktop-icons {
        left: 10px;
        top: 75px;
        grid-template-columns: repeat(2, 76px);
        gap: 7px;
    }

    .desktop-icon {
        width: 76px;
        min-height: 80px;
    }

    .app-icon {
        width: 42px;
        height: 42px;
        font-size: 24px;
    }

    .window {
        width: calc(100% - 20px);
        min-width: 0;
        max-height: calc(100% - 12px);
    }

    .taskbar {
        gap: 7px;
        padding: 0 9px;
    }

    .start-button {
        padding: 0 10px;
    }

    .system-tray {
        gap: 7px;
    }

    .taskbar-app {
        width: 35px;
        height: 38px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}