@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
    --ff-ui: 'Space Grotesk', system-ui, sans-serif;
    --ff-display: 'Space Grotesk', system-ui, sans-serif;
    --ff-mono: 'JetBrains Mono', ui-monospace, monospace;
    --os-accent: var(--panel-accent, #3F8A4A);
    --os-accent-2: var(--panel-accent-2, #2B6B36);
    --os-accent-soft: var(--panel-select, #D8ECCB);
    --os-bg-0: var(--panel-0, #F5F0E4);
    --os-bg-1: var(--panel-1, #FBF6EB);
    --os-bg-2: var(--panel-2, #F0E9DA);
    --os-bg-3: var(--panel-3, #E3DAC7);
    --os-fg: var(--panel-text, #1F1B16);
    --os-fg-2: var(--panel-text-2, #5A5246);
    --os-fg-3: var(--panel-text-3, #857B6C);
    --os-red: var(--warn, #FF6B4A);
    --os-amber: var(--sun, #FFD86B);
    --os-green: var(--green, #3F8A4A);
    --os-radius: var(--r-2, 10px);
    --os-radius-sm: var(--r-1, 6px);
    --os-bar-h: 44px;
    --os-bar-h-mobile: 52px;
    --os-rail-w: 64px;
    --os-tap: 44px;
    --os-font: var(--ff-ui, 'Space Grotesk', system-ui, sans-serif);
    --os-display: var(--ff-display, 'Space Grotesk', system-ui, sans-serif);
    --os-mono: var(--ff-mono, 'JetBrains Mono', ui-monospace, monospace);
}

html, body {
    background: var(--os-bg-0);
    color: var(--os-fg);
    font-family: var(--os-font);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.os-menubar, .os-taskbar {
    background: color-mix(in oklab, var(--os-bg-2) 88%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: none;
    color: var(--os-fg);
    font: 13px var(--os-font);
    height: var(--os-bar-h);
    padding: 0 12px;
    gap: 6px;
    box-shadow: none;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    min-width: 0;
}
.os-menubar > *, .os-taskbar > * { flex-shrink: 0; }
.os-menubar .os-spacer { flex: 1 1 auto; min-width: 0; }
.os-menubar .os-tray { margin-left: auto; }
/* Many open windows must scroll within the bar, not overflow it. Mobile
   already had this; promote it to all widths so a crowded desktop taskbar
   scrolls horizontally instead of pushing buttons off-screen. */
.os-taskbar { overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
.os-taskbar::-webkit-scrollbar { display: none; }

.os-brand {
    color: var(--os-fg);
    font-family: var(--os-display);
    font-weight: 700;
    letter-spacing: -0.01em;
    font-size: 15px;
    margin-right: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: lowercase;
}
.os-brand::before {
    content: '';
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--os-accent);
}

.os-btn {
    background: transparent;
    color: var(--os-fg-2);
    border: none;
    padding: 7px 14px;
    cursor: pointer;
    font: inherit;
    font-family: var(--os-font);
    font-size: 13px;
    border-radius: 999px;
    transition: background 80ms ease, color 80ms ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    outline: none;
    text-transform: lowercase;
}
.os-btn:hover { background: var(--panel-hover, var(--os-bg-2)); color: var(--os-fg); }
.os-btn.active, .os-btn[aria-pressed="true"] { background: var(--panel-select, var(--os-accent-soft)); color: var(--os-fg); }
.os-btn:focus-visible { background: var(--panel-hover, var(--os-bg-2)); }
.os-btn .ic { color: var(--os-accent); display: inline-flex; width: 16px; height: 16px; }
.os-btn .ic svg { width: 16px; height: 16px; display: block; fill: none; stroke: currentColor; }

.os-menu {
    position: absolute;
    background: var(--os-bg-1);
    border: none;
    border-radius: var(--r-3, 18px);
    padding: var(--space-2, 8px);
    min-width: 220px;
    top: calc(var(--os-bar-h) + var(--space-1, 4px));
    left: var(--space-2, 8px);
    z-index: 9500;
    display: none;
    flex-direction: column;
    gap: 2px;
    pointer-events: auto;
}
.os-menu.open { display: flex; }
.os-menu .os-btn {
    width: 100%;
    text-align: left;
    border-radius: var(--os-radius-sm);
    padding: 8px 10px;
    color: var(--os-fg);
    justify-content: flex-start;
}
.os-menu .os-btn:hover { background: var(--panel-hover, var(--os-bg-2)); color: var(--os-fg); }

.os-clock {
    color: var(--os-fg-2);
    font-variant-numeric: tabular-nums;
    font-family: var(--os-mono);
    padding: 0 10px;
    font-size: 12px;
}

.os-task {
    border: none;
    background: var(--os-bg-1);
    color: var(--os-fg-2);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 12px;
    font-family: var(--os-font);
    transition: background 80ms ease, color 80ms ease, box-shadow 80ms ease;
    max-width: 200px;
    cursor: pointer;
    outline: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-transform: lowercase;
}
.os-task:hover { background: var(--panel-hover, var(--os-bg-2)); color: var(--os-fg); }
.os-task.focused {
    background: var(--panel-select, var(--os-accent-soft));
    color: var(--os-fg);
    font-weight: 600;
    box-shadow: inset 4px 0 0 var(--os-accent);
}

.wm-win {
    background: var(--os-bg-1) !important;
    border: none !important;
    border-radius: var(--r-3, 18px) !important;
    box-shadow: none !important;
    overflow: hidden;
}
.wm-win.wm-focused {
    border: none !important;
    box-shadow: inset 4px 0 0 var(--os-accent) !important;
}

.wm-bar {
    background: var(--os-bg-2) !important;
    border: none !important;
    padding: 8px 12px !important;
    gap: 10px !important;
}
.wm-title {
    font: 13px var(--os-font) !important;
    color: var(--os-fg-2) !important;
    letter-spacing: 0.005em;
    text-align: center;
    font-weight: 600;
    text-transform: lowercase;
}
.wm-btns { gap: 6px !important; order: -1; }
.wm-btn {
    width: 22px !important;
    height: 22px !important;
    border-radius: var(--r-1, 6px) !important;
    border: none !important;
    background: var(--os-bg-3) !important;
    color: var(--os-fg-2) !important;
    padding: 0 !important;
    cursor: pointer;
    font: 600 12px var(--os-mono) !important;
    line-height: 1 !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    transition: background 100ms ease, color 100ms ease;
}
.wm-btn:hover { background: var(--panel-hover, var(--os-bg-2)) !important; color: var(--os-fg) !important; }

.wm-resize {
    background: transparent !important;
    width: 14px !important;
    height: 14px !important;
    color: var(--os-fg-3);
    opacity: 0.4;
    font: 10px var(--os-mono);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    line-height: 1;
}
.wm-resize::after { content: '\25E2'; }
.wm-body { background: var(--os-bg-1) !important; }

.os-side-rail {
    position: fixed;
    left: 0; top: var(--os-bar-h); bottom: var(--os-bar-h);
    width: var(--os-rail-w);
    background: var(--os-bg-2);
    border: none;
    display: none;
    flex-direction: column;
    align-items: center;
    padding: var(--space-2, 8px) 0;
    gap: var(--space-1, 4px);
    z-index: 9100;
    pointer-events: auto;
}
.os-rail-btn {
    width: 48px; height: 48px;
    border-radius: var(--os-radius-sm);
    background: transparent;
    border: none;
    color: var(--os-fg);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 100ms ease;
    padding: 0;
    outline: none;
}
.os-rail-btn:hover { background: var(--panel-hover, var(--os-bg-1)); }
.os-rail-btn:active { background: var(--panel-select, var(--os-accent-soft)); }
.os-rail-btn .ic { color: var(--os-accent); display: inline-flex; }
.os-rail-btn .ic svg { width: 22px; height: 22px; fill: none; stroke: currentColor; }

.os-drawer {
    position: fixed;
    inset: 0;
    background: var(--os-bg-0);
    z-index: 9700;
    pointer-events: auto;
    display: none;
    flex-direction: column;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 180ms ease, transform 180ms ease;
    padding-top: env(safe-area-inset-top, 0);
    padding-bottom: env(safe-area-inset-bottom, 0);
}
.os-drawer.open { display: flex; opacity: 1; transform: translateY(0); }
.os-drawer-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-2, 8px) var(--space-3, 16px);
    border: none;
    height: 56px;
    box-sizing: border-box;
    background: var(--os-bg-2);
}
.os-drawer-title { color: var(--os-fg); font-family: var(--os-display); font-size: 22px; font-weight: 700; letter-spacing: -0.01em; text-transform: lowercase; }
.os-drawer-close {
    width: 44px; height: 44px;
    border: none; background: transparent;
    color: var(--os-fg-2);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--os-radius-sm);
    outline: none;
}
.os-drawer-close:hover { background: var(--panel-hover, var(--os-bg-2)); color: var(--os-fg); }
.os-drawer-close .ic svg { width: 22px; height: 22px; fill: none; stroke: currentColor; }
.os-drawer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3, 16px);
    padding: var(--space-3, 16px);
    overflow-y: auto;
    flex: 1;
    align-content: start;
}
.os-drawer-tile {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-2, 8px);
    padding: var(--space-3, 16px) var(--space-2, 8px);
    background: var(--os-bg-1);
    border: none;
    color: var(--os-fg);
    font: 13px var(--os-font);
    min-height: 100px;
    cursor: pointer;
    transition: background 80ms ease;
    outline: none;
    border-radius: var(--r-3, 18px);
    text-transform: lowercase;
}
.os-drawer-tile:hover { background: var(--panel-hover, var(--os-bg-2)); }
.os-drawer-tile:active, .os-drawer-tile.active { background: var(--panel-select, var(--os-accent-soft)); }
.os-drawer-tile .ic { color: var(--os-accent); display: inline-flex; }
.os-drawer-tile .ic svg { width: 32px; height: 32px; fill: none; stroke: currentColor; }
.os-drawer-tile .lbl { color: var(--os-fg); font-weight: 600; }

.os-spacer { flex: 1 1 auto; }
.os-tray { display: flex; align-items: center; gap: 6px; }
.os-instances { display: flex; gap: 4px; margin-left: 8px; max-width: 280px; overflow-x: auto; overflow-y: hidden; scrollbar-width: thin; padding: 0 4px; }
.os-instances::-webkit-scrollbar { height: 4px; }
.os-instances .os-btn { flex: 0 0 auto; min-width: 36px; padding: 2px 8px; font-family: var(--os-mono); font-size: 11px; }
.os-instances .os-btn.active { background: var(--panel-select, var(--os-accent-soft)); color: var(--os-fg); border-color: var(--panel-accent, var(--os-accent)); box-shadow: inset 0 0 0 1px var(--panel-accent, var(--os-accent)); }
.os-menubar [data-role="home"] { display: none; }
.os-root { position: fixed; inset: 0; display: flex; flex-direction: column; pointer-events: none; z-index: 9300; }
.os-menubar, .os-taskbar { pointer-events: auto; flex: 0 0 auto; }
.os-taskbar { margin-top: auto; }
.wm-root { top: var(--os-bar-h) !important; bottom: var(--os-bar-h) !important; inset: var(--os-bar-h) 0 var(--os-bar-h) 0 !important; }

.app-pane { padding: var(--space-3, 16px); font: var(--fs-sm, 14px) var(--os-font); color: var(--os-fg); line-height: var(--lh-base, 1.55); overflow: auto; height: 100%; box-sizing: border-box; background: var(--os-bg-1); }
.app-pane h2 { margin: 0 0 var(--space-2, 8px) 0; color: var(--os-fg); font-family: var(--os-display); font-size: var(--fs-xl, 21px); font-weight: 700; letter-spacing: -0.01em; line-height: var(--lh-snug, 1.2); }
.app-pane p { margin: 0 0 var(--space-2, 8px) 0; color: var(--os-fg-2); }
.app-pane ul { padding-left: var(--space-3, 16px); margin: var(--space-1, 4px) 0 var(--space-3, 16px); color: var(--os-fg-2); }
.app-pane li { padding: var(--space-1, 4px) 0; }
.app-pane code { font: var(--fs-tiny, 12px) var(--os-mono); background: var(--os-bg-2); padding: 1px 6px; border-radius: var(--r-1, 6px); color: var(--os-fg); }
.app-pane a { color: var(--os-accent); text-decoration: none; }
.app-pane a:hover { text-decoration: underline; text-underline-offset: 2px; }
.app-pane .meta { color: var(--os-fg-3); font-size: var(--fs-tiny, 12px); }
.app-pane.mono { font: var(--fs-tiny, 12px) var(--os-mono); padding: var(--space-2, 8px); background: var(--os-bg-1); }
.app-pane.mono[data-component="monitor-app"] { white-space: pre-wrap; line-height: 1.7; }
.app-pane.mono .row { padding: 4px 8px; cursor: pointer; border-radius: var(--r-1, 6px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app-pane.mono .row:hover { background: var(--panel-hover, var(--os-bg-2)); }
.app-pane.mono .row.selected { background: var(--panel-select, var(--os-accent-soft)); box-shadow: inset 4px 0 0 var(--os-accent); }
.app-pane.mono .head { color: var(--os-accent); margin-bottom: 8px; padding-bottom: 8px; font-weight: 600; letter-spacing: 0.02em; border-bottom: 1px solid var(--os-bg-3); }
.app-pane.mono pre { background: var(--os-bg-2); padding: 10px 12px; margin: 8px 0 0 0; max-height: 220px; overflow: auto; white-space: pre-wrap; font: 11.5px var(--os-mono); border-radius: var(--r-1, 6px); color: var(--os-fg); border: none; }
.app-shell-pane { margin: 0; padding: 8px; font: 12px var(--os-mono); color: var(--os-fg); background: var(--os-bg-0); height: 100%; overflow: auto; white-space: pre-wrap; box-sizing: border-box; }
.app-canvas { width: 100%; height: 100%; background: var(--os-bg-0); display: block; cursor: default; }
.app-canvas.x-display { background: #0b0d10; }
.app-frame { width: 100%; height: 100%; border: 0; background: var(--os-bg-0); }
.app-iframe { width: 100%; height: 100%; border: 0; display: block; }
.app-iframe.web { background: #ffffff; }
.app-text-cursor { }

@media (prefers-reduced-motion: no-preference) {
  .app-text-cursor { animation: app-cursor-blink 0.5s step-end infinite; }
  @keyframes app-cursor-blink { 50% { opacity: 0; } }
}
@media (max-width: 1023px) and (min-width: 768px) {
    .os-side-rail { display: flex; }
    .wm-root { left: var(--os-rail-w) !important; }
    .os-menubar { padding-left: calc(var(--os-rail-w) + var(--space-2, 8px)); }
    .os-taskbar { padding-left: calc(var(--os-rail-w) + var(--space-2, 8px)); }
    .os-menubar .os-instances { display: flex; }
    .os-menu { left: calc(var(--os-rail-w) + var(--space-2, 8px)); }
}

@media (max-width: 767px) {
    :root { --os-bar-h: var(--os-bar-h-mobile); }
    body { overscroll-behavior: none; }
    .os-menubar [data-role="home"] { display: inline-flex; min-width: var(--os-tap); min-height: var(--os-tap); padding: 0 12px; }
    .os-menubar [data-role="home"] .ic svg { width: 22px; height: 22px; }
    .os-menubar { font-size: 14px; padding: 0 8px; padding-top: env(safe-area-inset-top, 0); height: calc(var(--os-bar-h) + env(safe-area-inset-top, 0)); }
    .os-menubar [data-role="apps"] { display: none; }
    .os-menubar .os-brand { font-size: 13px; margin-right: 6px; }
    .os-menubar [data-role="add"] { display: none; }
    .os-menubar .os-instances { display: none; }
    .os-clock { display: none; }
    .os-taskbar {
        padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0));
        gap: 6px;
        overflow-x: auto;
        overflow-y: hidden;
        flex-wrap: nowrap;
        scroll-snap-type: x proximity;
        height: calc(var(--os-bar-h) + env(safe-area-inset-bottom, 0));
        align-items: center;
    }
    .os-taskbar::-webkit-scrollbar { display: none; }
    .os-task {
        flex: 0 0 auto;
        min-width: 120px;
        min-height: 44px;
        max-width: none;
        padding: 10px 14px;
        scroll-snap-align: start;
        font-size: 13px;
    }
    .os-task.focused { background: var(--panel-select, var(--os-accent-soft)); box-shadow: inset 4px 0 0 var(--os-accent); }
    .os-side-rail { display: none !important; }
    .os-menu { left: 8px; right: 8px; min-width: 0; top: calc(var(--os-bar-h) + env(safe-area-inset-top, 0) + 4px); }
    .wm-root {
        top: calc(var(--os-bar-h) + env(safe-area-inset-top, 0)) !important;
        bottom: calc(var(--os-bar-h) + env(safe-area-inset-bottom, 0)) !important;
        inset: calc(var(--os-bar-h) + env(safe-area-inset-top, 0)) 0 calc(var(--os-bar-h) + env(safe-area-inset-bottom, 0)) 0 !important;
    }
    .wm-win {
        position: absolute !important;
        left: 0 !important; top: 0 !important;
        width: 100% !important; height: 100% !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
    }
    .wm-bar {
        padding: 6px 10px !important;
        height: 36px !important;
        gap: 6px !important;
        cursor: default !important;
        touch-action: pan-y !important;
        pointer-events: none;
    }
    .wm-bar .wm-title { pointer-events: auto; font-size: 13px !important; }
    .wm-bar .wm-btns { pointer-events: auto; }
    .wm-btns .wm-btn:nth-child(1), .wm-btns .wm-btn:nth-child(2) { display: none !important; }
    .wm-btns .wm-btn:nth-child(3) { width: 44px !important; height: 44px !important; border-radius: var(--r-1, 6px) !important; background: var(--os-bg-3) !important; color: var(--os-fg) !important; }
    .wm-resize { display: none !important; }
}

/* ---- data-attr theme/density/accent rules (ported from anentrypoint-update colors_and_type.css) ---- */
:root[data-theme="ink"] {
  --os-bg-0: #14131a;
  --os-bg-1: #1a1924;
  --os-bg-2: #20202a;
  --os-bg-3: #2a2a36;
  --os-fg: #efece4;
  --os-fg-2: #c8c5bc;
  --os-fg-3: #8c8a80;
  color-scheme: dark;
}
:root[data-theme="paper"] {
  --os-bg-0: #f6f5f1;
  --os-bg-1: #efece4;
  --os-bg-2: #e7e3d8;
  --os-bg-3: #d8d3c4;
  --os-fg: #14131a;
  --os-fg-2: #3a3833;
  --os-fg-3: #6a6660;
  color-scheme: light;
}
:root[data-density="compact"]  { --os-bar-h: 28px; --os-tile-pad: 6px; --os-gap: 6px; }
:root[data-density="comfortable"] { --os-bar-h: 36px; --os-tile-pad: 10px; --os-gap: 10px; }
:root[data-density="spacious"] { --os-bar-h: 44px; --os-tile-pad: 14px; --os-gap: 14px; }
:root[data-accent="green"]   { --os-accent: #247420; --os-accent-tint: color-mix(in oklab, #247420 18%, transparent); }
:root[data-accent="purple"]  { --os-accent: #7c5cff; --os-accent-tint: color-mix(in oklab, #7c5cff 18%, transparent); }
:root[data-accent="mascot"]  { --os-accent: #ff6d3f; --os-accent-tint: color-mix(in oklab, #ff6d3f 18%, transparent); }
:root[data-theme="ink"][data-accent="green"]   { --os-accent: #3FA93A; }
:root[data-theme="ink"][data-accent="purple"]  { --os-accent: #a085ff; }
:root[data-theme="ink"][data-accent="mascot"]  { --os-accent: #ff8a64; }

/* ============================================================
 * thebird theme preset (migrated from thebird's local thebird-brand.css
 * 2026-05-26). thebird ships ZERO design CSS — every rule below lives here
 * upstream and is delivered via the published package. Scoped to .ds-247420
 * (thebird's OS root carries that class). Brand identity: Space Grotesk +
 * --paper #F5F0E4 + green accent #247420 + uniform 34px bars +
 * Windows-style right-side window controls.
 * ============================================================ */
:root {
    --paper: #F5F0E4;
}
.ds-247420 {
    --ff-ui: 'Space Grotesk', system-ui, sans-serif !important;
    --ff-display: 'Space Grotesk', system-ui, sans-serif !important;
    --ff-prose: 'Space Grotesk', system-ui, sans-serif !important;
    --os-accent: #247420;
    /* uniform bar height: 22px button + 6px+6px padding = 34px */
    --os-bar-h: 34px !important;
    --os-bar-h-mobile: 34px !important;
    --os-dock-h: 34px !important;
}
/* Window titlebar matches the 34px bar height; clamp so menubar/taskbar/titlebar
 * heights are uniform. */
.ds-247420 .wm-bar { height: 34px !important; min-height: 34px !important; box-sizing: border-box !important; padding-top: 4px !important; padding-bottom: 4px !important; }
/* Bars overlay windows: .wm-root fills full viewport, menubar/taskbar paint on top.
 * Tilde key hides them via .bars-hidden on <html>. */
.ds-247420 .wm-root { top: 0 !important; bottom: 0 !important; inset: 0 !important; }
html.bars-hidden .os-menubar,
html.bars-hidden .os-taskbar { display: none !important; }
.ds-247420 .os-task { border-radius: var(--r-pill, 999px); }
.os-brand { font-family: var(--ff-display); font-weight: 700; }

/* thebird windows use Windows/Linux-style right-side controls (upstream theme
 * sets .wm-btns order:-1 for a macOS look; thebird overrides to natural DOM
 * order so controls render on the right). */
.ds-247420 .wm-btns { order: 0; }

/* OS-shell z-index layering: .os-root above .wm-root so its .os-menu dropdowns
 * paint above windows. */
.ds-247420 .os-root { z-index: 9300 !important; }
.ds-247420 .os-menubar { z-index: 9200 !important; position: relative; }
.ds-247420 .os-taskbar { z-index: 9200 !important; position: relative; }
.ds-247420 .os-menu { z-index: 9500 !important; }
.ds-247420 .wm-root { z-index: 9000; }
.ds-247420 .launcher-dock { z-index: 9100; }

/* Touch/gesture hardening. */
html.ds-247420 { touch-action: pan-x pan-y; overscroll-behavior: none; -webkit-text-size-adjust: 100%; }
.ds-247420 .os-root, .ds-247420 .wm-root { touch-action: none; }
.ds-247420 .wm-body { overscroll-behavior: contain; touch-action: auto; }
.ds-247420 .wm-bar, .ds-247420 .wm-resize { -webkit-touch-callout: none; user-select: none; }
.ds-247420 .os-menubar, .ds-247420 .os-taskbar, .ds-247420 .launcher-dock { user-select: none; -webkit-user-select: none; }

/* Aero-snap drag preview. */
.ds-247420 .wm-snap-preview {
  position: fixed;
  pointer-events: none;
  z-index: 9050;
  background: color-mix(in oklab, var(--os-accent, #247420) 20%, transparent);
  border: 2px solid var(--os-accent, #247420);
  border-radius: 8px;
  transition: all 120ms ease;
}
@media (prefers-reduced-motion: reduce) {
  .ds-247420 .wm-snap-preview { transition: none; }
}

/* Alt+Tab window switcher overlay. */
.ds-247420 .wm-switcher {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 16px 20px;
  background: var(--os-bg-2, #1a1a1a);
  border: 1px solid var(--os-accent, #247420);
  border-radius: 8px;
  z-index: 9600;
  font-family: var(--ff-ui, 'Space Grotesk', sans-serif);
  color: var(--os-fg, #fff);
  min-width: 280px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.ds-247420 .wm-switcher-item {
  padding: 8px 12px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.ds-247420 .wm-switcher-item.active {
  background: var(--os-accent, #247420);
  color: var(--paper, #fff);
}

/* freddie-chat font family (upstream still ships Nunito; brand is Space Grotesk). */
.ds-247420 freddie-chat,
.ds-247420 freddie-chat .chat-bubble,
.ds-247420 freddie-chat .chat-meta,
.ds-247420 freddie-chat .chat-head {
  font-family: var(--ff-ui, 'Space Grotesk', system-ui, sans-serif);
}
.ds-247420 freddie-chat .chat-bubble pre,
.ds-247420 freddie-chat .chat-bubble code {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
}
.ds-247420 freddie-chat .chat-head {
  font-family: var(--ff-display, 'Space Grotesk', system-ui, sans-serif);
  font-weight: 700;
}

/* Session-switch crossfade. */
.ds-247420 .wm-win { transition: opacity 140ms ease; }
.tb-switching .ds-247420 .wm-win { opacity: 0.4; }
@media (prefers-reduced-motion: reduce) {
  .ds-247420 .wm-win { transition: none; }
  .tb-switching .ds-247420 .wm-win { opacity: 1; }
}

/* ---- Session-UX surfaces: chips + modals + empty state ---- */
.ds-247420 .os-instances { display: flex; gap: 6px; align-items: center; flex: 0 1 auto; min-width: 0; overflow-x: auto; overflow-y: hidden; padding: 0 4px; scrollbar-width: thin; }
.ds-247420 .os-instances::-webkit-scrollbar { height: 4px; }

.ds-247420 .tb-sess-chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 22px; padding: 0 6px 0 8px;
  border-radius: var(--r-pill, 999px);
  background: color-mix(in oklab, var(--fg, #1a1a1a) 6%, transparent);
  color: var(--fg, #1a1a1a);
  font-family: var(--ff-ui, system-ui); font-size: 11px; font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 120ms ease, border-color 120ms ease;
  user-select: none; flex: 0 0 auto;
}
.ds-247420 .tb-sess-chip:hover { background: color-mix(in oklab, var(--fg, #1a1a1a) 12%, transparent); }
.ds-247420 .tb-sess-chip.active {
  background: color-mix(in oklab, var(--os-accent, #247420) 18%, transparent);
  border-color: var(--os-accent, #247420);
  color: var(--fg, #1a1a1a);
}
.ds-247420 .tb-sess-chip.active .tb-sess-dot { background: var(--os-accent, #247420); box-shadow: 0 0 0 2px color-mix(in oklab, var(--os-accent, #247420) 30%, transparent); }
.ds-247420 .tb-sess-dot { width: 6px; height: 6px; border-radius: 50%; background: color-mix(in oklab, var(--fg, #1a1a1a) 40%, transparent); flex: 0 0 6px; }
.ds-247420 .tb-sess-label { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-247420 .tb-sess-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 16px; height: 14px; padding: 0 4px;
  border-radius: 7px;
  background: color-mix(in oklab, var(--fg, #1a1a1a) 14%, transparent);
  font-size: 9px; font-weight: 600; line-height: 1;
}
.ds-247420 .tb-sess-chip.active .tb-sess-badge { background: color-mix(in oklab, var(--os-accent, #247420) 30%, transparent); }
.ds-247420 .tb-sess-x {
  width: 16px; height: 16px; line-height: 14px; text-align: center;
  border: 0; padding: 0; background: transparent;
  border-radius: 50%; cursor: pointer; color: inherit;
  font-size: 14px; font-weight: 600;
  opacity: 0.55; transition: opacity 120ms ease, background 120ms ease;
}
.ds-247420 .tb-sess-chip:hover .tb-sess-x { opacity: 1; }
.ds-247420 .tb-sess-x:hover { background: color-mix(in oklab, #d33 30%, transparent); color: #fff; }

.ds-247420 .tb-sess-add {
  display: inline-flex; align-items: center; gap: 4px;
  height: 22px; padding: 0 10px;
  border: 1px dashed color-mix(in oklab, var(--fg, #1a1a1a) 30%, transparent);
  background: transparent;
  border-radius: var(--r-pill, 999px);
  font-family: var(--ff-ui, system-ui); font-size: 11px; font-weight: 500;
  color: var(--fg, #1a1a1a);
  cursor: pointer;
  margin-left: 6px;
  transition: border-color 120ms ease, background 120ms ease;
}
.ds-247420 .tb-sess-add:hover {
  border-color: var(--os-accent, #247420);
  background: color-mix(in oklab, var(--os-accent, #247420) 8%, transparent);
}
.ds-247420 .tb-sess-add-plus { font-size: 13px; line-height: 1; }
.ds-247420 .tb-sess-add-lbl { line-height: 1; }

.tb-sess-overlay {
  position: fixed; inset: 0; z-index: 9800;
  background: color-mix(in oklab, #000 40%, transparent);
  display: flex; align-items: center; justify-content: center;
  animation: tb-sess-fade 120ms ease;
}
@keyframes tb-sess-fade { from { opacity: 0; } to { opacity: 1; } }
.tb-sess-modal {
  background: var(--bg, #f5f0e4);
  color: var(--fg, #1a1a1a);
  border-radius: 12px;
  box-shadow: 0 12px 40px color-mix(in oklab, #000 30%, transparent);
  min-width: 320px; max-width: 480px;
  border: 1px solid color-mix(in oklab, var(--fg, #1a1a1a) 12%, transparent);
  overflow: hidden;
  font-family: var(--ff-ui, system-ui);
}
.tb-sess-modal-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid color-mix(in oklab, var(--fg, #1a1a1a) 8%, transparent); }
.tb-sess-modal-title { font-weight: 600; font-size: 14px; }
.tb-sess-modal-x { background: transparent; border: 0; font-size: 20px; line-height: 1; cursor: pointer; color: inherit; padding: 0 4px; }
.tb-sess-modal-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.tb-sess-modal-lbl { font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; opacity: 0.7; }
.tb-sess-modal-input {
  width: 100%; box-sizing: border-box;
  height: 32px; padding: 0 10px;
  border: 1px solid color-mix(in oklab, var(--fg, #1a1a1a) 20%, transparent);
  border-radius: 6px;
  background: color-mix(in oklab, var(--fg, #1a1a1a) 6%, var(--bg, #fff));
  color: inherit;
  font-family: inherit; font-size: 13px;
}
.tb-sess-modal-input:focus { outline: none; border-color: var(--os-accent, #247420); box-shadow: 0 0 0 3px color-mix(in oklab, var(--os-accent, #247420) 20%, transparent); }
.tb-sess-modal-hint { font-size: 11px; opacity: 0.7; }
.tb-sess-modal-msg { font-size: 13px; }
.tb-sess-modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 16px; border-top: 1px solid color-mix(in oklab, var(--fg, #1a1a1a) 8%, transparent); }
.tb-sess-modal-btn {
  height: 28px; padding: 0 14px;
  border-radius: 6px; border: 1px solid color-mix(in oklab, var(--fg, #1a1a1a) 20%, transparent);
  background: transparent; color: inherit;
  font-family: inherit; font-size: 12px; font-weight: 500; cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}
.tb-sess-modal-btn:hover { background: color-mix(in oklab, var(--fg, #1a1a1a) 6%, transparent); }
.tb-sess-modal-btn.primary { background: var(--os-accent, #247420); color: #fff; border-color: var(--os-accent, #247420); }
.tb-sess-modal-btn.primary:hover { background: color-mix(in oklab, var(--os-accent, #247420) 80%, #000); }
.tb-sess-modal-btn.danger { background: #d33; color: #fff; border-color: #d33; }
.tb-sess-modal-btn.danger:hover { background: #b22; }

.tb-sess-empty {
  position: fixed; inset: 0; z-index: 8900;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}
.tb-sess-empty-card {
  pointer-events: auto;
  background: var(--bg, #f5f0e4);
  color: var(--fg, #1a1a1a);
  border: 1px solid color-mix(in oklab, var(--fg, #1a1a1a) 14%, transparent);
  border-radius: 16px;
  box-shadow: 0 8px 32px color-mix(in oklab, #000 14%, transparent);
  padding: 32px 40px; text-align: center;
  font-family: var(--ff-ui, system-ui);
  max-width: 420px;
}
.tb-sess-empty-title { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.tb-sess-empty-sub { font-size: 13px; opacity: 0.7; margin-bottom: 20px; }
.tb-sess-empty-cta {
  height: 40px; padding: 0 24px;
  background: var(--os-accent, #247420); color: #fff;
  border: 0; border-radius: 999px;
  font-family: inherit; font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.tb-sess-empty-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 16px color-mix(in oklab, var(--os-accent, #247420) 40%, transparent); }

/* ---- Workspaces app — full-window session manager card grid ---- */
.ds-247420 .tb-sessions-app { display: flex; flex-direction: column; height: 100%; font-family: var(--ff-ui, system-ui); color: var(--fg, #1a1a1a); background: var(--bg, #f5f0e4); }
.ds-247420 .tb-sessions-bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid color-mix(in oklab, var(--fg, #1a1a1a) 10%, transparent); }
.ds-247420 .tb-sessions-title { font-weight: 600; font-size: 14px; }
.ds-247420 .tb-sessions-count { font-size: 12px; opacity: 0.6; margin-left: 4px; }
.ds-247420 .tb-sessions-spacer { flex: 1; }
.ds-247420 .tb-sessions-btn { height: 28px; padding: 0 12px; border-radius: 6px; border: 1px solid color-mix(in oklab, var(--fg, #1a1a1a) 20%, transparent); background: transparent; color: inherit; font-size: 12px; font-weight: 500; cursor: pointer; font-family: inherit; }
.ds-247420 .tb-sessions-btn:hover { background: color-mix(in oklab, var(--fg, #1a1a1a) 6%, transparent); }
.ds-247420 .tb-sessions-btn.primary { background: var(--os-accent, #247420); color: #fff; border-color: var(--os-accent, #247420); }
.ds-247420 .tb-sessions-btn.danger { background: #d33; color: #fff; border-color: #d33; }
.ds-247420 .tb-sessions-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.ds-247420 .tb-sessions-grid { flex: 1; overflow: auto; padding: 14px; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; align-content: start; }
.ds-247420 .tb-sessions-card { padding: 12px; border-radius: 10px; border: 1px solid color-mix(in oklab, var(--fg, #1a1a1a) 12%, transparent); background: color-mix(in oklab, var(--fg, #1a1a1a) 3%, transparent); display: flex; flex-direction: column; gap: 8px; transition: border-color 120ms ease, transform 120ms ease; }
.ds-247420 .tb-sessions-card:hover { border-color: var(--os-accent, #247420); }
.ds-247420 .tb-sessions-card.active { border-color: var(--os-accent, #247420); box-shadow: 0 0 0 2px color-mix(in oklab, var(--os-accent, #247420) 30%, transparent); }
.ds-247420 .tb-sessions-card-head { display: flex; align-items: center; gap: 8px; }
.ds-247420 .tb-sessions-card-check { width: 14px; height: 14px; cursor: pointer; flex: 0 0 14px; }
.ds-247420 .tb-sessions-card-name { font-weight: 600; font-size: 13px; flex: 1; outline: none; padding: 2px 4px; border-radius: 4px; }
.ds-247420 .tb-sessions-card-name[contenteditable="true"] { background: color-mix(in oklab, var(--fg, #1a1a1a) 8%, transparent); }
.ds-247420 .tb-sessions-card-id { font-family: var(--os-mono, monospace); font-size: 10px; opacity: 0.5; }
.ds-247420 .tb-sessions-card-stats { font-size: 11px; opacity: 0.7; display: flex; gap: 12px; }
.ds-247420 .tb-sessions-card-actions { display: flex; gap: 6px; margin-top: 4px; }
.ds-247420 .tb-sessions-card-actions button { flex: 1; height: 24px; font-size: 11px; padding: 0 8px; border-radius: 4px; border: 1px solid color-mix(in oklab, var(--fg, #1a1a1a) 16%, transparent); background: transparent; color: inherit; cursor: pointer; font-family: inherit; }
.ds-247420 .tb-sessions-card-actions button:hover { background: color-mix(in oklab, var(--fg, #1a1a1a) 6%, transparent); }
.ds-247420 .tb-sessions-card-actions button.danger:hover { background: #d33; color: #fff; border-color: #d33; }
.ds-247420 .tb-sessions-empty-mid { padding: 40px; text-align: center; opacity: 0.6; font-size: 13px; }

/* ---- prefers-contrast: more — strengthen borders + focus so the translucent
   chrome stays legible under forced/high-contrast user settings. ---- */
@media (prefers-contrast: more) {
  .ds-247420 .wm-win { border-color: var(--fg, #1a1a1a); }
  .ds-247420 .wm-bar { border-bottom: 1px solid var(--fg, #1a1a1a); }
  .ds-247420 .os-menubar,
  .ds-247420 .os-taskbar { border-color: var(--fg, #1a1a1a); }
  .ds-247420 .tb-sess-chip,
  .ds-247420 .tb-sessions-card,
  .ds-247420 .tb-sessions-btn { border-color: var(--fg, #1a1a1a); }
  .ds-247420 :focus-visible { outline: 2px solid var(--fg, #1a1a1a); outline-offset: 2px; }
}

/* ---- print: a web-OS desktop has no meaningful print form. Suppress the
   live chrome so a Ctrl+P does not waste pages on translucent panels. ---- */
@media print {
  .os-menubar, .os-taskbar, .wm-snap-preview,
  .tb-sess-overlay, .tb-switching, .wm-switcher { display: none !important; }
  .wm-root, .wm-canvas { position: static !important; transform: none !important; overflow: visible !important; }
  .wm-win { position: static !important; box-shadow: none !important; border: 1px solid #000 !important; page-break-inside: avoid; margin: 0 0 12px; width: auto !important; height: auto !important; }
  .wm-win.wm-min { display: none !important; }
}