/* Windows 98-inspired system chrome */
:root {
    color-scheme: light;
    --desktop: #008080;
    --surface: #c0c0c0;
    --surface-light: #dfdfdf;
    --white: #fff;
    --dark: #808080;
    --black: #000;
    --title-active-start: #000080;
    --title-active-end: #1084d0;
    --title-inactive-start: #808080;
    --title-inactive-end: #b5b5b5;
    --text: #000;
    --taskbar-height: 34px;
    font-family: Tahoma, "MS Sans Serif", Arial, sans-serif;
    font-size: 12px;
}

* {
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: #000;
}

body {
    color: var(--text);
    user-select: none;
}

button, input, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    cursor: default;
}

    button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
        outline: 1px dotted #000;
        outline-offset: -4px;
    }

[hidden] {
    display: none !important;
}

.desktop {
    position: absolute;
    width: 1024px;
    height: 768px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(var(--desktop-scale, 1));
    transform-origin: center center;
    overflow: hidden;
    background: var(--desktop);
    isolation: isolate;
}

.desktop-icons {
    position: absolute;
    inset: 8px auto calc(var(--taskbar-height) + 8px) 8px;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 8px 4px;
    z-index: 1;
}

.desktop-icon {
    width: 82px;
    min-height: 76px;
    padding: 4px 2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 5px;
    color: #fff;
    text-align: center;
    text-shadow: 1px 1px #000;
    border: 1px solid transparent;
    background: transparent;
}

    .desktop-icon.selected {
        background: rgba(0, 0, 128, .45);
        border: 1px dotted #fff;
    }

    .desktop-icon .icon-art {
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        font-size: 27px;
        line-height: 1;
        text-shadow: none;
    }

    .desktop-icon img.icon-art {
        width: 32px;
        height: 32px;
        object-fit: contain;
    }

    .desktop-icon .icon-label {
        max-width: 78px;
        line-height: 1.15;
        overflow-wrap: anywhere;
    }

.start-menu-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    font-size: 20px;
}

    .start-menu-icon img {
        width: 24px;
        height: 24px;
        object-fit: contain;
    }

.window-layer {
    position: absolute;
    inset: 0 0 var(--taskbar-height);
    pointer-events: none;
    z-index: 2;
}

.window {
    position: absolute;
    display: flex;
    flex-direction: column;
    min-width: 230px;
    min-height: 120px;
    background: var(--surface);
    padding: 3px;
    pointer-events: auto;
    border-top: 2px solid var(--white);
    border-left: 2px solid var(--white);
    border-right: 2px solid var(--black);
    border-bottom: 2px solid var(--black);
    box-shadow: inset 1px 1px 0 var(--surface-light), inset -1px -1px 0 var(--dark);
}

    .window.is-inactive {
        filter: none;
    }

.window-titlebar {
    height: 22px;
    flex: 0 0 22px;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 2px 3px 2px 5px;
    color: #fff;
    font-weight: bold;
    background: linear-gradient(90deg, var(--title-active-start), var(--title-active-end));
    cursor: move;
    touch-action: none;
}

.window.is-inactive .window-titlebar {
    background: linear-gradient(90deg, var(--title-inactive-start), var(--title-inactive-end));
}


.window-title-icon,
.taskbar-window-icon {
    display: block;
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
    object-fit: contain;
    overflow: hidden;
}

.window-title-icon {
    margin-right: 5px;
}

.taskbar-window-icon {
    margin-right: 6px;
}

.window-title {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    flex: 1;
}

.window-controls {
    display: flex;
    gap: 2px;
    align-self: center;
}

.window-control {
    width: 18px;
    height: 18px;
    padding: 0;
    line-height: 13px;
    font-weight: bold;
    font-size: 13px;
    color: #000;
    background: var(--surface);
    border-top: 1px solid #fff;
    border-left: 1px solid #fff;
    border-right: 1px solid #000;
    border-bottom: 1px solid #000;
    box-shadow: inset 1px 1px #dfdfdf;
}

    .window-control:active {
        border-top: 1px solid #000;
        border-left: 1px solid #000;
        border-right: 1px solid #fff;
        border-bottom: 1px solid #fff;
    }

.window-content {
    flex: 1;
    min-height: 0;
    overflow: auto;
    background: var(--surface);
}

.window-resize {
    position: absolute;
    width: 12px;
    height: 12px;
    right: 2px;
    bottom: 2px;
    cursor: nwse-resize;
    background: linear-gradient(135deg, transparent 0 42%, #808080 43% 50%, transparent 51% 60%, #808080 61% 68%, transparent 69%);
    touch-action: none;
}

.taskbar {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: var(--taskbar-height);
    z-index: 100000;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px;
    background: var(--surface);
    border-top: 2px solid #fff;
    box-shadow: inset 0 1px #dfdfdf;
}

.start-button, .taskbar-window, .tray-icon {
    height: 26px;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 2px 7px;
    background: var(--surface);
    border-top: 2px solid #fff;
    border-left: 2px solid #fff;
    border-right: 2px solid #000;
    border-bottom: 2px solid #000;
    box-shadow: inset 1px 1px #dfdfdf;
}

.start-button {
    min-width: 70px;
    font-size: 13px;
}

    .start-button[aria-expanded="true"], .taskbar-window.active {
        border-top: 2px solid #000;
        border-left: 2px solid #000;
        border-right: 2px solid #fff;
        border-bottom: 2px solid #fff;
        box-shadow: inset 1px 1px #808080;
    }

.start-logo {
    display: grid;
    grid-template-columns: 6px 6px;
    grid-template-rows: 6px 6px;
    gap: 1px;
    transform: skewY(-8deg);
}

    .start-logo span:nth-child(1) {
        background: #f44336;
    }

    .start-logo span:nth-child(2) {
        background: #4caf50;
    }

    .start-logo span:nth-child(3) {
        background: #2196f3;
    }

    .start-logo span:nth-child(4) {
        background: #ffeb3b;
    }

.taskbar-divider {
    width: 2px;
    height: 24px;
    border-left: 1px solid #808080;
    border-right: 1px solid #fff;
    margin: 0 2px;
}

.taskbar-windows {
    flex: 1;
    min-width: 0;
    display: flex;
    gap: 4px;
    overflow: hidden;
}

.taskbar-window {
    min-width: 80px;
    max-width: 180px;
    flex: 1 1 120px;
    overflow: hidden;
    justify-content: flex-start;
}

    .taskbar-window .taskbar-label {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

.system-tray {
    height: 26px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 7px;
    border-top: 1px solid #808080;
    border-left: 1px solid #808080;
    box-shadow: inset 1px 1px #000;
}

.tray-icon {
    width: 25px;
    height: 22px;
    padding: 0;
    justify-content: center;
    border: 0;
    box-shadow: none;
    background: transparent;
}

.tray-clock {
    min-width: 54px;
    text-align: center;
}

.start-menu {
    position: absolute;
    left: 3px;
    bottom: calc(var(--taskbar-height) + 2px);
    z-index: 99999;
    width: 228px;
    padding: 3px 3px 3px 30px;
    background: var(--surface);
    border-top: 2px solid #fff;
    border-left: 2px solid #fff;
    border-right: 2px solid #000;
    border-bottom: 2px solid #000;
    box-shadow: inset 1px 1px #dfdfdf, inset -1px -1px #808080;
}

    .start-menu::before {
        content: "Windows 98";
        position: absolute;
        left: 3px;
        top: 3px;
        bottom: 3px;
        width: 24px;
        display: flex;
        align-items: flex-end;
        padding: 6px 4px;
        writing-mode: vertical-rl;
        transform: rotate(180deg);
        color: #fff;
        font-weight: bold;
        letter-spacing: .5px;
        background: linear-gradient(#000080, #1084d0);
    }

    .start-menu button, .context-menu button {
        display: flex;
        align-items: center;
        width: 100%;
        gap: 8px;
        border: 0;
        background: transparent;
        text-align: left;
        min-height: 29px;
        padding: 4px 8px;
    }

        .start-menu button:hover, .context-menu button:hover {
            color: #fff;
            background: #000080;
        }

    .start-menu .menu-separator, .context-menu .menu-separator {
        height: 1px;
        margin: 4px 2px;
        background: #808080;
        border-bottom: 1px solid #fff;
    }

.context-menu {
    position: absolute;
    z-index: 100001;
    width: 180px;
    padding: 3px;
    background: var(--surface);
    border-top: 2px solid #fff;
    border-left: 2px solid #fff;
    border-right: 2px solid #000;
    border-bottom: 2px solid #000;
    box-shadow: inset 1px 1px #dfdfdf;
}

    .context-menu button {
        min-height: 24px;
    }

.system-button {
    padding: 3px 12px;
    min-height: 24px;
    background: var(--surface);
    border-top: 2px solid #fff;
    border-left: 2px solid #fff;
    border-right: 2px solid #000;
    border-bottom: 2px solid #000;
}

    .system-button:active {
        border-top: 2px solid #000;
        border-left: 2px solid #000;
        border-right: 2px solid #fff;
        border-bottom: 2px solid #fff;
    }

.inset {
    background: #fff;
    border-top: 2px solid #808080;
    border-left: 2px solid #808080;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    box-shadow: inset 1px 1px #000, inset -1px -1px #dfdfdf;
}

@media (max-width: 600px) {
    :root {
        --taskbar-height: 38px;
    }

    .desktop-icons {
        gap: 3px 0;
    }

    .desktop-icon {
        width: 72px;
        min-height: 70px;
    }

    .taskbar-window {
        min-width: 44px;
        flex-basis: 55px;
        padding: 2px 4px;
    }

        .taskbar-window .taskbar-label {
            display: none;
        }

    .system-tray {
        padding: 0 3px;
    }
}

/* Windows 98 cursor theme */
body,
body * {
    cursor: url("../assets/cursors/arrow.cur"), default;
}

a,
.desktop-icon,
.taskbar-window {
    cursor: url("../assets/cursors/hand.cur"), pointer;
}

input,
textarea,
[contenteditable="true"] {
    cursor: url("../assets/cursors/i-beam.cur"), text;
}

    button:disabled,
    input:disabled {
        cursor: not-allowed;
    }

/* Moving a window */
.window-titlebar {
    cursor: url("../assets/cursors/move.cur") 16 16, move;
}

/* Bottom-right resize handle */
.window-resize {
    cursor: url("../assets/cursors/resize-nwse.cur") 16 16, nwse-resize;
}

.desktop {
    border-radius: 0;
    box-shadow: none;
}

    .desktop::after {
        content: "";
        position: absolute;
        inset: 0;
        z-index: 9999;
        pointer-events: none;
        background: repeating-linear-gradient( to bottom, transparent 0px, transparent 3px, rgba(0, 0, 0, 0.035) 3px, rgba(0, 0, 0, 0.035) 4px );
        opacity: 0.45;
    }