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78vw);--shadow-sm: 0 1px 2px rgba(20, 28, 38, .07);--shadow-md: 0 8px 28px rgba(20, 28, 38, .14);--shadow-composer: 0 0 0 1px rgba(20, 28, 38, .08), 0 2px 12px rgba(20, 28, 38, .06);--shadow-composer-focus: 0 0 0 1px rgba(20, 28, 38, .16), 0 6px 22px rgba(20, 28, 38, .09);--shadow-popup: 0 0 0 1px rgba(20, 28, 38, .05), 0 4px 12px rgba(20, 28, 38, .08), 0 24px 64px rgba(20, 28, 38, .24);--z-drawer: 30;--z-popup: 35;--z-tip: 40;--popup-w: 480px}*,*:before,*:after{box-sizing:border-box}html{color-scheme:light;scroll-behavior:smooth}body{margin:0;overflow-x:clip;background:var(--canvas);color:var(--fg);font-family:var(--font-sans, 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var(--btn-bg);background:var(--btn-bg);color:var(--btn-fg);transition:background-color .12s ease,border-color .12s ease}.btn:hover{background:color-mix(in srgb,var(--btn-bg),var(--btn-fg) 8%);border-color:transparent}.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line-3)}.btn.ghost:hover{background:color-mix(in srgb,var(--bg),var(--fg) 5%);border-color:var(--fg)}.btn.small{height:36px;padding:0 14px;font-size:14px}.btn:focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--fg)}.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:center}.header{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--line)}.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}.brand{display:inline-flex;align-items:center;gap:11px;font-weight:600;font-size:16px;letter-spacing:-.015em;text-decoration:none;white-space:nowrap}.bar 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