:root {
    --win95-teal: #008080;
    --win95-gray: #c0c0c0;
    --win95-navy: #000080;
    --win95-white: #ffffff;
    --win95-black: #000000;
    --win95-light-gray: #dfdfdf;
    --win95-dark-gray: #808080;
    --win95-very-dark-gray: #404040;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'MS Sans Serif', 'Microsoft Sans Serif', sans-serif;
    font-size: 11px;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    cursor: default;
    user-select: none;
}

#desktop {
    width: 100%;
    height: calc(100vh - 28px);
    background: var(--win95-teal);
    position: relative;
    overflow: hidden;
}

/* Desktop Icons */
.desktop-icon {
    position: absolute;
    width: 70px;
    padding: 4px;
    text-align: center;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.desktop-icon[data-icon="my-computer"] {
    left: 10px;
    top: 10px;
}

.desktop-icon[data-icon="recycle-bin"] {
    left: 10px;
    top: 90px;
}

.desktop-icon[data-icon="network"] {
    left: 10px;
    top: 170px;
}

.desktop-icon[data-icon="internet"] {
    left: 10px;
    top: 250px;
}

.desktop-icon[data-icon="folder"] {
    left: 10px;
    top: 330px;
}

.icon-image {
    width: 32px;
    height: 32px;
    margin-bottom: 2px;
}

.icon-label {
    color: var(--win95-white);
    font-size: 11px;
    text-align: center;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    word-wrap: break-word;
    max-width: 70px;
}

.desktop-icon.selected {
    background: var(--win95-navy);
    outline: 1px dotted var(--win95-white);
}

.desktop-icon:active {
    filter: brightness(0.9);
}

/* Taskbar */
#taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 28px;
    background: var(--win95-gray);
    border-top: 2px solid var(--win95-white);
    display: flex;
    align-items: center;
    padding: 2px;
    z-index: 10000;
}

.start-button {
    height: 22px;
    padding: 0 6px;
    background: var(--win95-gray);
    border: 2px outset var(--win95-gray);
    font-family: 'MS Sans Serif', sans-serif;
    font-size: 11px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.start-button:active {
    border-style: inset;
}

.start-button img {
    width: 16px;
    height: 16px;
}

#taskbar-tasks {
    flex: 1;
    margin-left: 4px;
}

#system-tray {
    display: flex;
    align-items: center;
    padding: 0 6px;
    border: 1px inset var(--win95-gray);
    height: 20px;
    background: var(--win95-gray);
}

#clock {
    font-size: 11px;
    padding: 0 4px;
}

/* Window Styles */
.window {
    position: absolute;
    min-width: 400px;
    min-height: 300px;
    background: var(--win95-gray);
    border: 2px outset var(--win95-gray);
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.window.active {
    z-index: 1000;
}

.window-title-bar {
    height: 20px;
    background: var(--win95-navy);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2px 2px 2px 4px;
    cursor: move;
}

.window-title {
    color: var(--win95-white);
    font-weight: bold;
    font-size: 11px;
    flex: 1;
}

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

.window-control-btn {
    width: 16px;
    height: 14px;
    background: var(--win95-gray);
    border: 1px outset var(--win95-gray);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: bold;
    padding: 0;
}

.window-control-btn:active {
    border-style: inset;
}

.window-control-btn.minimize::before {
    content: '_';
    position: relative;
    top: -2px;
}

.window-control-btn.maximize::before {
    content: '□';
    font-size: 10px;
}

.window-control-btn.close::before {
    content: '×';
    font-size: 14px;
}

.window-content {
    flex: 1;
    background: var(--win95-white);
    border: 2px inset var(--win95-gray);
    margin: 2px;
    overflow: auto;
    position: relative;
}

/* Folder Window Content */
.folder-content {
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.file-icon {
    width: 80px;
    text-align: center;
    cursor: pointer;
    padding: 8px;
}

.file-icon:hover {
    background: var(--win95-navy);
    color: var(--win95-white);
}

.file-icon-image {
    width: 32px;
    height: 32px;
    margin: 0 auto 4px;
}

.file-icon-label {
    font-size: 11px;
    word-wrap: break-word;
}

/* Image Viewer Window */
.image-viewer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.image-viewer-content img {
    max-width: 100%;
    max-height: 100%;
    display: block;
}

/* Responsive - Mobile Warning */
@media (max-width: 768px) {
    body::before {
        content: 'Please view this site on a desktop browser for the full experience.';
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background: var(--win95-gray);
        padding: 20px;
        border: 2px outset var(--win95-gray);
        z-index: 99999;
        text-align: center;
        max-width: 80%;
    }
}