:root {
    --bg: #060B0E;
    --win: #0C1418;
    --fg: #E6EDF3;
    --accent: #2DD4BF;
    --blue: #58A6FF;
    --muted: #6E7681;
    --line: #1C2330;
    --amber: #F4B740;
    --shadow: 0 24px 60px rgba(0, 0, 0, .55);
    --mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", "Menlo",
        "Consolas", "Liberation Mono", monospace;
}

:root[data-mode="light"] {
    --bg: #D9DEDC;
    --win: #FAFBFA;
    --fg: #1A2430;
    --accent: #0F766E;
    --blue: #2563C9;
    --muted: #5B6672;
    --line: #DBDED5;
    --amber: #B07714;
    --shadow: 0 20px 50px rgba(20, 30, 40, .20);
}

:root[data-contrast="high"][data-mode="dark"] {
    --bg: #000;
    --win: #000;
    --fg: #FFF;
    --accent: #FFF;
    --blue: #FFF;
    --muted: #FFF;
    --line: #FFF;
    --amber: #FFF;
    --shadow: none;
}

:root[data-contrast="high"][data-mode="light"] {
    --bg: #FFF;
    --win: #FFF;
    --fg: #000;
    --accent: #000;
    --blue: #000;
    --muted: #000;
    --line: #000;
    --amber: #000;
    --shadow: none;
}

:root[data-contrast="high"] a {
    text-decoration: underline;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100dvh;
    margin: 0;
    overflow: hidden;
}

body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--mono);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background .2s, color .2s;
}

a {
    color: var(--blue);
}

a:hover {
    text-decoration: underline;
}

/* ===== Desktop / Monitor ===== */
#desktop {
    position: fixed;
    inset: 0;
    overflow: hidden;
}

#impressum-btn {
    position: fixed;
    left: 16px;
    bottom: 14px;
    z-index: 50;
    font-family: var(--mono);
    font-size: 13px;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 4px 2px;
    letter-spacing: .5px;
}

#impressum-btn:hover {
    color: var(--accent);
    text-decoration: underline;
}

#impressum-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.imp-win {
    width: min(560px, 92vw);
    height: min(560px, 74dvh);
    min-width: 280px;
    min-height: 260px;
}

.imp-win.opening {
    animation: pop .18s ease-out;
}

.imp-body {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 18px 22px;
    line-height: 1.7;
}

.imp-body h2 {
    font-size: 19px;
    margin: 0 0 4px;
    color: var(--fg);
}

.imp-body h3 {
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
    margin: 16px 0 3px;
}

.imp-body p {
    margin: 0 0 3px;
}

.imp-body a {
    color: var(--blue);
}

.imp-body .ph {
    color: var(--amber);
}

.imp-body::-webkit-scrollbar {
    width: 9px;
}

.imp-body::-webkit-scrollbar-thumb {
    background: var(--line);
    border-radius: 6px;
}

.desk-icon {
    position: absolute;
    width: 104px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 12px;
    padding: 12px 8px;
    cursor: pointer;
    font-family: var(--mono);
    color: var(--fg);
}

.desk-icon:hover {
    border-color: var(--line);
    background: rgba(127, 127, 127, .06);
}

.desk-icon:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.desk-icon .glyph {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    border: 2px solid var(--accent);
    display: grid;
    place-items: center;
    color: var(--accent);
    font-size: 24px;
    font-weight: 700;
    background: var(--win);
}

.desk-icon .label {
    font-size: 13px;
}

.desk-icon .glyph svg {
    width: 34px;
    height: 34px;
}

#icon {
    left: 24px;
    top: 24px;
}

#icon-ente {
    left: 24px;
    top: 150px;
}

/* ===== Fenster ===== */
.window {
    position: absolute;
    width: min(880px, 94vw);
    height: min(600px, 82dvh);
    background: var(--win);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 360px;
    min-height: 300px;
}

.window[hidden] {
    display: none;
}

.window.opening {
    animation: pop .18s ease-out;
}

@keyframes pop {
    from {
        transform: scale(.97);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Linux/GNOME-Style Titelleiste: [Burger] ... Titel ... [min|max|close] */
.titlebar {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 8px;
    padding: 7px 9px;
    border-bottom: 1px solid var(--line);
    cursor: grab;
    user-select: none;
    touch-action: none;
    flex: 0 0 auto;
}

.titlebar:active {
    cursor: grabbing;
}

.window.maximized .titlebar {
    cursor: default;
}

.tb-left {
    justify-self: start;
    display: flex;
}

.tb-title {
    justify-self: center;
    color: var(--fg);
    font-size: 13px;
    white-space: nowrap;
    letter-spacing: .3px;
}

.tb-title .m {
    color: var(--muted);
}

.tb-right {
    justify-self: end;
    display: flex;
    gap: 8px;
}

.tb-btn {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    border: 0;
    background: transparent;
    color: var(--fg);
    cursor: pointer;
    display: grid;
    place-items: center;
}

.tb-btn:hover {
    background: rgba(127, 127, 127, .16);
}

.tb-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.tb-btn svg {
    width: 18px;
    height: 18px;
}

.wb {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 0;
    cursor: pointer;
    color: var(--fg);
    display: grid;
    place-items: center;
    background: rgba(127, 127, 127, .14);
}

.wb:hover {
    background: rgba(127, 127, 127, .30);
}

.wb.close:hover {
    background: #E4572E;
    color: #fff;
}

.wb:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.wb svg {
    width: 15px;
    height: 15px;
}

:root[data-contrast="high"] .wb {
    background: transparent;
    border: 1.6px solid var(--fg);
}

:root[data-contrast="high"] .wb.close:hover {
    background: var(--fg);
    color: var(--bg);
}

/* Burger-Dropdown */
.menu-pop {
    position: absolute;
    top: 44px;
    left: 9px;
    z-index: 60;
    min-width: 210px;
    background: var(--win);
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 6px;
}

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

.menu-pop button {
    display: flex;
    width: 100%;
    gap: 10px;
    align-items: center;
    font-family: var(--mono);
    font-size: 14px;
    color: var(--fg);
    background: transparent;
    border: 0;
    border-radius: 7px;
    padding: 8px 10px;
    cursor: pointer;
    text-align: left;
}

.menu-pop button:hover {
    background: rgba(127, 127, 127, .14);
    color: var(--accent);
}

.menu-pop .k {
    color: var(--muted);
    font-size: 12px;
    margin-left: auto;
}

#screen {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 14px;
    scroll-behavior: smooth;
}

#screen::-webkit-scrollbar {
    width: 9px;
}

#screen::-webkit-scrollbar-thumb {
    background: var(--line);
    border-radius: 6px;
}

.line {
    white-space: pre-wrap;
    word-break: break-word;
}

.prompt .u {
    color: var(--accent);
    font-weight: 700;
}

.prompt .d {
    color: var(--blue);
    font-weight: 700;
}

.prompt .p {
    color: var(--muted);
}

.muted {
    color: var(--muted);
}

.accent {
    color: var(--amber);
}

.ok {
    color: var(--accent);
}

.cmd-echo {
    color: var(--fg);
}

.err {
    color: #FF7B72;
}

:root[data-contrast="high"] .err {
    color: var(--fg);
    font-weight: 700;
    text-decoration: underline;
}

.block {
    margin: 6px 0 14px;
}

pre.art {
    color: var(--accent);
    line-height: 1.2;
    margin: 0 0 10px;
    font-family: var(--mono);
}

.banner {
    overflow-x: auto;
    max-width: 100%;
    margin: 0 0 8px;
}

.banner::-webkit-scrollbar {
    height: 8px;
}

.banner::-webkit-scrollbar-thumb {
    background: var(--line);
    border-radius: 6px;
}

.banner-pre {
    font-size: clamp(5px, 1.5vw, 10px);
    line-height: 1;
    margin: 0;
}

.ente-win {
    width: min(440px, 90vw);
    height: min(340px, 58dvh);
    min-width: 280px;
    min-height: 220px;
}

.ente-win.opening {
    animation: pop .18s ease-out;
}

.ente-body {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 18px;
    overflow: auto;
}

.duck-art {
    font-size: 18px;
    line-height: 1.15;
    margin: 0;
    color: var(--accent);
}

.man {
    margin: 6px 0 16px;
}

.man-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: var(--muted);
    border-bottom: 1px solid var(--line);
    padding-bottom: 4px;
    margin-bottom: 10px;
    font-size: 13px;
}

.man-sec {
    margin-bottom: 12px;
}

.man-sec b {
    color: var(--accent);
    letter-spacing: 1px;
}

.man-sec .body {
    padding-left: 20px;
    display: block;
    margin-top: 2px;
}

.input-line {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.tw {
    display: inline-flex;
    align-items: baseline;
}

#typed {
    white-space: pre-wrap;
    word-break: break-word;
}

.cursor {
    display: inline-block;
    width: 9px;
    height: 1.05em;
    margin-left: 1px;
    box-sizing: border-box;
    border: 1.5px solid var(--accent);
    background: transparent;
    transform: translateY(2px);
}

.input-line.focused .cursor {
    background: var(--accent);
    animation: blink 1.05s steps(1) infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

#cmd {
    position: absolute;
    left: -9999px;
    top: 0;
    opacity: 0;
    width: 1px;
    height: 1px;
}

/* Resize-Griffe */
.rz {
    position: absolute;
    z-index: 40;
    touch-action: none;
}

.rz-e {
    top: 8px;
    right: -2px;
    width: 9px;
    bottom: 8px;
    cursor: ew-resize;
}

.rz-s {
    left: 8px;
    bottom: -2px;
    height: 9px;
    right: 8px;
    cursor: ns-resize;
}

.rz-se {
    right: 0;
    bottom: 0;
    width: 18px;
    height: 18px;
    cursor: nwse-resize;
}

.rz-se::after {
    content: "";
    position: absolute;
    right: 4px;
    bottom: 4px;
    width: 7px;
    height: 7px;
    border-right: 2px solid var(--muted);
    border-bottom: 2px solid var(--muted);
}

.window.maximized .rz {
    display: none;
}

/* Theme-Switcher */
#switcher {
    position: fixed;
    right: 16px;
    bottom: 14px;
    z-index: 50;
    display: flex;
    gap: 8px;
    background: var(--win);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 6px;
    box-shadow: var(--shadow);
}

#switcher button {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--fg);
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 6px 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 7px;
}

#switcher button:hover {
    border-color: var(--accent);
}

#switcher button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

#switcher button[aria-pressed="true"] {
    border-color: var(--accent);
    color: var(--accent);
}

#switcher .ic {
    width: 14px;
    height: 14px;
}

@media (prefers-reduced-motion: reduce) {
    .input-line.focused .cursor {
        animation: none;
    }

    #screen {
        scroll-behavior: auto;
    }

    .window.opening {
        animation: none;
    }

    body {
        transition: none;
    }
}

@media (max-width:560px) {
    #switcher button span.txt {
        display: none;
    }

    .tb-title {
        font-size: 12px;
    }
}