:root {
    color-scheme: light;
    --shell-text: #f8fafc;
    --shell-border: rgba(255, 255, 255, 0.16);
    --card-bg: rgba(255, 255, 255, 0.14);
    --window-bg: #f8fafc;
    --window-header-bg: #eef2ff;
    --window-text: #0f172a;
    --accent: #60a5fa;
    --taskbar-bg: rgba(15, 23, 42, 0.8);
    --shadow: 0 16px 40px rgba(15, 23, 42, 0.35);
    --desktop-font: "IBM Plex Sans", "Segoe UI", sans-serif;
    --taskbar-height: 60px;
    --taskbar-left: 24px;
    --taskbar-right: 24px;
    --taskbar-bottom: 24px;
    --taskbar-width: auto;
    --taskbar-radius: 22px;
    --taskbar-justify: flex-start;
    --stage-top-offset: 0px;
    --icon-top: 24px;
    --icon-left: 24px;
    font-family: var(--desktop-font);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--wallpaper);
    color: var(--shell-text);
}

.desktop-shell {
    min-height: 100vh;
}

.system-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 140;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 32px;
    padding: 0 14px;
    background: rgba(244, 244, 245, 0.82);
    color: #111827;
    backdrop-filter: blur(20px);
}

.system-bar-left,
.system-bar-right {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
}

.system-brand {
    font-weight: 700;
}

.system-divider {
    width: 1px;
    height: 14px;
    background: rgba(17, 24, 39, 0.2);
}

.eyebrow {
    margin: 0 0 12px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 12px;
    opacity: 0.72;
}

h1,
h2,
h3,
p,
ul {
    margin-top: 0;
}

h1 {
    font-size: 40px;
    line-height: 1;
    margin-bottom: 16px;
}

.lede {
    max-width: 24rem;
    font-size: 16px;
    opacity: 0.88;
}

.desktop-stage {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    padding: 0;
}

.desktop-icons {
    position: absolute;
    top: var(--icon-top);
    left: var(--icon-left);
    z-index: 10;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
    gap: 16px;
    width: min(720px, calc(100% - 80px));
}

.desktop-icon {
    width: 96px;
    padding: 12px 10px;
    border: 1px solid transparent;
    border-radius: 16px;
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: transform 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

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

.desktop-icon-badge {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    margin: 0 auto 10px;
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.6);
    font-weight: 700;
}

.desktop-icon-label {
    position: relative;
    z-index: 0;
    display: inline-block;
    max-width: 100%;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 14px;
    color: #ffffff;
    line-height: 1.25;
    text-shadow: none;
    mix-blend-mode: difference;
    isolation: isolate;
}

.desktop-icon-label::before {
    content: "";
    position: absolute;
    inset: -2px -4px;
    z-index: -1;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(8px) saturate(1.08);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.app-icon-image,
.app-icon-fallback {
    display: block;
    width: 100%;
    height: 100%;
}

.app-icon-image {
    object-fit: contain;
}

.app-icon-fallback {
    display: grid;
    place-items: center;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
}

.widget-zone {
    position: absolute;
    top: calc(var(--stage-top-offset) + 24px);
    right: 24px;
    display: grid;
    gap: 14px;
    width: min(320px, calc(100% - 48px));
    z-index: 20;
}

.widget-card {
    padding: 16px;
    border-radius: 18px;
    border: 1px solid var(--shell-border);
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
}

.widget-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.widget-badge {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.58);
    font-size: 12px;
    font-weight: 700;
}

.window-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 40;
}

.window {
    position: absolute;
    display: flex;
    flex-direction: column;
    min-height: 240px;
    border-radius: 20px;
    overflow: hidden;
    background: var(--window-bg);
    color: var(--window-text);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.3);
    border: 1px solid rgba(148, 163, 184, 0.25);
    pointer-events: auto;
    max-width: calc(100% - 48px);
    max-height: calc(100% - 120px);
}

.window-resize-handle {
    position: absolute;
    z-index: 2;
}

.window-resize-handle[data-edge="right"] {
    top: 18px;
    right: 0;
    width: 8px;
    height: calc(100% - 36px);
    cursor: ew-resize;
}

.window-resize-handle[data-edge="left"] {
    top: 18px;
    left: 0;
    width: 8px;
    height: calc(100% - 36px);
    cursor: ew-resize;
}

.window-resize-handle[data-edge="bottom"] {
    left: 18px;
    bottom: 0;
    width: calc(100% - 36px);
    height: 8px;
    cursor: ns-resize;
}

.window-resize-handle[data-edge="top"] {
    left: 18px;
    top: 0;
    width: calc(100% - 36px);
    height: 8px;
    cursor: ns-resize;
}

.window-resize-handle[data-edge="corner"] {
    right: 0;
    bottom: 0;
    width: 18px;
    height: 18px;
    cursor: nwse-resize;
    background:
        linear-gradient(135deg, transparent 0 45%, rgba(100, 116, 139, 0.8) 45% 55%, transparent 55% 100%);
}

.window.is-minimized {
    display: none;
}

.window.is-maximized {
    border-radius: 0;
    border: 0;
    box-shadow: none;
    max-width: none;
    max-height: none;
}

.window.is-maximized .window-header {
    cursor: default;
}

.window.is-maximized .window-content {
    height: 100%;
    overflow: auto;
}

.window.is-maximized .window-resize-handle {
    display: none;
}

.window-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--window-header-bg);
    border-bottom: 1px solid rgba(148, 163, 184, 0.28);
    cursor: move;
}

.window-title {
    display: inline-flex;
    align-items: center;
    min-width: 0;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.window-header-spacer {
    width: 64px;
    flex: 0 0 64px;
}

.window-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.window-action {
    display: inline-grid;
    place-items: center;
    width: 12px;
    height: 12px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: #cbd5e1;
    cursor: pointer;
}

.window-action span {
    font-size: 10px;
    line-height: 1;
}

.window-action[data-action="close"] {
    background: #ef4444;
}

.window-action[data-action="minimize"] {
    background: #f59e0b;
}

.window-action[data-action="maximize"] {
    background: #22c55e;
}

.window-content {
    flex: 1 1 auto;
    min-height: 0;
    padding: 18px;
    font-size: 15px;
    line-height: 1.5;
    overflow: auto;
}

.window-content--embedded {
    position: relative;
    display: block;
    flex: 1 1 auto;
    min-height: 0;
    padding: 0;
    overflow: hidden;
}

.window-app-frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: #ffffff;
}

.window-content--module {
    position: relative;
    background: #f8fafc;
}

.window-module-host {
    position: absolute;
    inset: 0;
    overflow: auto;
}

.window-module-error {
    padding: 18px;
    color: #991b1b;
}

.window-embed-fallback {
    position: absolute;
    inset: auto 16px 16px 16px;
    z-index: 1;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.92);
    color: #0f172a;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
    font-size: 13px;
    line-height: 1.45;
}

.window-embed-fallback p {
    margin: 0;
}

.window-embed-fallback p + p {
    margin-top: 6px;
}

.window-embed-fallback a {
    color: #2563eb;
}

.taskbar {
    position: fixed;
    left: var(--taskbar-left);
    right: var(--taskbar-right);
    bottom: var(--taskbar-bottom);
    width: var(--taskbar-width);
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: var(--taskbar-justify);
    min-height: var(--taskbar-height);
    padding: 12px 16px;
    border-radius: var(--taskbar-radius);
    background: var(--taskbar-bg);
    backdrop-filter: blur(18px);
    border: 1px solid var(--shell-border);
    z-index: 120;
}

.start-button,
.taskbar-app-button {
    border: 0;
    border-radius: 999px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.12);
    color: inherit;
    cursor: pointer;
}

.start-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.start-button-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
}

.taskbar-app-button.is-focused {
    background: var(--accent);
    color: #0f172a;
}

.taskbar-app-button.is-minimized {
    opacity: 0.62;
}

.start-glyph {
    display: inline-grid;
    place-items: center;
}

.start-glyph-windows {
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
    width: 16px;
    height: 16px;
}

.start-glyph-windows span {
    width: 7px;
    height: 7px;
    background: currentColor;
    border-radius: 1px;
}

.start-glyph-apple {
    position: relative;
    width: 14px;
    height: 16px;
}

.start-glyph-apple::before,
.start-glyph-apple::after {
    content: "";
    position: absolute;
    background: currentColor;
}

.start-glyph-apple::before {
    inset: 3px 1px 0;
    border-radius: 48% 48% 42% 42% / 42% 42% 58% 58%;
}

.start-glyph-apple::after {
    top: 0;
    right: 3px;
    width: 5px;
    height: 5px;
    border-radius: 0 100% 0 100%;
    transform: rotate(-24deg);
}

.start-glyph-linux {
    gap: 2px;
    width: 14px;
}

.start-glyph-linux span {
    display: block;
    width: 14px;
    height: 3px;
    border-radius: 999px;
    background: currentColor;
}

.start-glyph-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.start-menu {
    position: fixed;
    left: 24px;
    bottom: calc(var(--taskbar-height) + 28px);
    z-index: 130;
    display: grid;
    align-content: start;
    grid-template-columns: minmax(240px, 280px) minmax(280px, 360px);
    gap: 16px;
    width: min(720px, calc(100% - 48px));
    padding: 18px;
    border-radius: 24px;
    background: rgba(15, 23, 42, 0.82);
    border: 1px solid var(--shell-border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(24px);
}

.start-menu::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
}

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

.start-menu-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    grid-column: 1 / -1;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.start-menu-header h2 {
    margin-bottom: 0;
}

.start-menu-column,
.start-menu-block {
    display: grid;
    gap: 12px;
}

.start-menu-column {
    align-content: start;
}

.start-menu-entry {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.06);
    color: inherit;
    text-align: left;
    cursor: pointer;
}

.start-menu-entry:hover {
    background: rgba(255, 255, 255, 0.18);
}

.start-menu-entry strong,
.start-menu-entry span {
    display: block;
}

.start-menu-entry small {
    opacity: 0.7;
}

.start-menu-entry-badge,
.start-menu-entry-toggle {
    display: inline-grid;
    place-items: center;
    min-width: 32px;
    height: 32px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    font-size: 12px;
    font-weight: 700;
}

.start-menu-entry-toggle.is-active {
    background: var(--accent);
    color: #0f172a;
}

.taskbar-apps {
    display: flex;
    gap: 10px;
    flex: 1;
    overflow: auto;
    scrollbar-width: none;
}

.taskbar-apps::-webkit-scrollbar {
    display: none;
}

.taskbar-app-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.taskbar-app-button-badge {
    display: inline-grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: rgba(15, 23, 42, 0.22);
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
}

.desktop-app-icon {
    width: 40px;
    height: 40px;
}

.start-menu-app-icon {
    width: 22px;
    height: 22px;
}

.taskbar-app-icon {
    width: 18px;
    height: 18px;
}

.taskbar-app-button-label {
    display: inline-block;
    white-space: nowrap;
}

.tray {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.tray-skins {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tray-skin-button {
    border: 0;
    border-radius: 999px;
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.08);
    color: inherit;
    cursor: pointer;
    font-size: 12px;
}

.tray-skin-button.is-active {
    background: var(--accent);
    color: #0f172a;
}

.tray-pill {
    padding: 8px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    font-size: 13px;
}

.tray-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: inherit;
    font-size: 13px;
    text-decoration: none;
    transition: background-color 140ms ease, transform 140ms ease;
}

.tray-action:hover {
    background: rgba(255, 255, 255, 0.16);
    transform: translateY(-1px);
}

.window-content p:last-child {
    margin-bottom: 0;
}

@media (max-width: 1100px) {
    .desktop-stage {
        min-height: 100vh;
        padding-bottom: 120px;
    }

    .desktop-icons {
        position: relative;
        top: auto;
        left: auto;
        margin: 24px;
        width: calc(100% - 48px);
    }

    .widget-zone {
        position: static;
        width: 100%;
        margin-top: 24px;
    }

    .start-menu {
        position: fixed;
        left: 16px;
        right: 16px;
        bottom: 88px;
        transform: none;
        width: auto;
        grid-template-columns: 1fr;
    }

    .window-layer {
        position: static;
        inset: auto;
        margin-top: 24px;
        display: grid;
        gap: 18px;
    }

    .window {
        position: relative;
        width: 100% !important;
        height: auto !important;
        left: auto !important;
        top: auto !important;
    }
}