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480px){.hero-title{font-size:1.75rem}.hero-subtitle{font-size:1rem}.hero{padding:1.5rem .75rem}.btn{padding:1rem .75rem;font-size:.85rem}.features h2,.documents h2{font-size:1.5rem}}@media (prefers-color-scheme: dark){.homepage{--card-bg: #2d3748;--text-primary: #f7fafc;--text-secondary: #a0aec0;--primary-color: #667eea}}.markdown-viewer{max-width:900px;margin:0 auto;padding:2rem}.markdown-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:2rem;padding-bottom:1rem;border-bottom:2px solid var(--border-color, #e9ecef)}.header-info h1{color:var(--text-primary, #333);font-size:2rem;margin:0 0 .5rem}.language-info{font-size:.9rem;color:var(--text-secondary, #666);font-style:italic}.header-actions{display:flex;gap:1rem;align-items:center}.language-switcher{display:flex;align-items:center;gap:.5rem}.language-select{padding:.375rem .75rem;border:1px solid var(--border-color, #e9ecef);border-radius:4px;background-color:var(--select-bg, 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dark){.markdown-viewer{--text-primary: #f7fafc;--heading-color: #e2e8f0;--border-color: #4a5568;--quote-bg: #2d3748;--code-bg: #4a5568;--pre-bg: #1a202c;--pre-text: #f7fafc;--table-header-bg: #2d3748;--link-color: #90cdf4;--link-hover: #63b3ed;--primary-color: #667eea;--primary-hover: #5a67d8;--error-color: #fc8181;--spinner-bg: #4a5568}}.App{width:100%;min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%;text-align:left}@media (max-width: 768px){.main-content{padding:1rem}}@media (max-width: 480px){.main-content{padding:.75rem}}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light 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