:root{--desktop-bg:teal;--desktop-pattern:#006868;--surface:silver;--surface-light:#dfdfdf;--surface-dark:gray;--window-bg:silver;--content-bg:#fff;--titlebar-start:navy;--titlebar-end:#1084d0;--titlebar-text:#fff;--titlebar-inactive:gray;--text-primary:#000;--text-secondary:#404040;--text-muted:#606060;--text-inverse:#fff;--text-link:navy;--border-light:#fff;--border-mid:#dfdfdf;--border-dark:gray;--border-darker:#000;--accent-navy:navy;--accent-teal:teal;--focus-ring:#000;--tooltip-bg:#ffffe1;--tooltip-border:#000;--shadow-window:2px 2px 0 #000;--shadow-raised:inset -1px -1px var(--border-dark), inset 1px 1px var(--border-light);--shadow-pressed:inset 1px 1px var(--border-dark), inset -1px -1px var(--border-light);--font-ui:"Tahoma", "Segoe UI", "Geneva", Verdana, sans-serif;--font-pixel:"VT323", "Courier New", monospace;--font-size-base:14px;--font-size-sm:12px;--font-size-lg:16px;--line-height:1.5;--transition-fast:80ms ease-out;--transition-ui:.1s 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var(--focus-ring);outline-offset:2px}ul{list-style:none}img{max-width:100%;display:block}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.window{background:var(--window-bg);border:2px solid;border-color:var(--border-light) var(--border-darker) var(--border-darker) var(--border-light);box-shadow:var(--shadow-window)}.window__titlebar{background:linear-gradient(90deg, var(--titlebar-start) 0%, var(--titlebar-end) 100%);min-height:22px;color:var(--titlebar-text);font-size:var(--font-size-sm);letter-spacing:.02em;justify-content:space-between;align-items:center;gap:8px;padding:2px 3px 2px 4px;font-weight:700;transition:background .12s ease-out,color .12s ease-out;display:flex}.window--inactive .window__titlebar{background:var(--titlebar-inactive);color:var(--surface-light)}@media 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