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16px 0 0}body{font-size:var(--font-size-base);line-height:1.7}.two-column{display:grid;grid-template-columns:1fr}.hide-mobile{display:none}}@media(min-width:1024px){.hide-desktop{display:none}.two-column{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2xl)}.three-column{display:grid;grid-template-columns:1fr 1fr 1fr;gap:var(--space-2xl)}}@media(prefers-color-scheme:dark){body{background:var(--color-bg-dark);color:var(--color-text-light)}}@media(prefers-color-scheme:light){:root{--color-bg-dark: #FFFFFF;--color-text-light: #1A202C;--color-text-muted: #4A5568;--color-border: #E2E8F0}}@media(orientation:landscape)and (max-height:500px){h1,h2,h3{margin:var(--space-sm) 0}.container{padding:var(--space-sm)}}@media print{body{background:#fff;color:#000}a{text-decoration:underline}.no-print{display:none}}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid 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