*,*:before,*:after{box-sizing:border-box}html{font-size:16px}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}button{font-family:inherit;cursor:pointer}a{color:inherit;text-decoration:none}.tab-nav{display:flex;gap:.25rem;border-bottom:1px solid var(--border-light);margin-bottom:1.5rem}.tab-button{padding:.75rem 1.25rem;border:none;background:none;font-size:.9rem;font-weight:500;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .15s ease}.tab-button:hover{color:var(--text-primary)}.tab-button.active{color:var(--accent);border-bottom-color:var(--accent)}.markdown-content{line-height:1.7;color:var(--text-primary)}.markdown-content h1{font-size:1.5rem;font-weight:600;margin-bottom:1.5rem;color:var(--text-primary);border-bottom:2px solid var(--border-light);padding-bottom:.75rem}.markdown-content h2{font-size:1.15rem;font-weight:600;margin-top:2rem;margin-bottom:1rem;color:var(--accent-dark)}.markdown-content h3{font-size:1rem;font-weight:600;margin-top:1.5rem;margin-bottom:.75rem;color:var(--text-primary)}.markdown-content h4{font-size:.95rem;font-weight:600;margin-top:1.25rem;margin-bottom:.5rem;color:var(--text-secondary)}.markdown-content p{margin-bottom:1rem}.markdown-content ul,.markdown-content ol{margin-bottom:1rem;padding-left:1.5rem}.markdown-content li{margin-bottom:.5rem}.markdown-content strong{font-weight:600;color:var(--text-primary)}.markdown-content em{font-style:italic}.markdown-content hr{border:none;border-top:1px solid var(--border-light);margin:2rem 0}.markdown-content blockquote{border-left:3px solid var(--accent);padding-left:1rem;margin:1rem 0;color:var(--text-secondary);font-style:italic}.markdown-loading,.markdown-error{padding:2rem;text-align:center;color:var(--text-muted)}.markdown-error{color:#c0392b}.case-display{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;min-height:600px}@media(max-width:1024px){.case-display{grid-template-columns:1fr}}.case-column{background:var(--bg-surface);border-radius:8px;border:1px solid var(--border-light);display:flex;flex-direction:column;overflow:hidden}.column-header{padding:1rem 1.5rem;font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border-light);background:var(--bg-subtle)}.column-content{padding:1.5rem;overflow-y:auto;flex:1}.tab-content{min-height:400px}:root{--bg-page: #f8f9fa;--bg-surface: #ffffff;--bg-subtle: #f4f5f6;--text-primary: #1a1a1a;--text-secondary: #4a4a4a;--text-muted: #7a7a7a;--border-light: #e5e7eb;--accent: #2d6a4f;--accent-dark: #1b4332;--accent-light: #d8f3dc}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-page);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--bg-surface);border-bottom:1px solid var(--border-light);padding:1.5rem 2rem}.header-content{max-width:1400px;margin:0 auto}.app-title{display:flex;align-items:baseline;gap:1rem}.logo{font-size:1.75rem;font-weight:700;color:var(--accent);letter-spacing:-.02em}.subtitle{font-size:1rem;font-weight:400;color:var(--text-muted)}.app-main{flex:1;max-width:1400px;width:100%;margin:0 auto;padding:2rem}.selector-section{margin-bottom:2rem}.section-title{font-size:.9rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem}.empty-state{display:flex;align-items:center;justify-content:center;min-height:400px;background:var(--bg-surface);border-radius:8px;border:1px dashed var(--border-light);color:var(--text-muted)}.app-footer{background:var(--bg-surface);border-top:1px solid var(--border-light);padding:1rem 2rem}.demo-notice{max-width:1400px;margin:0 auto;font-size:.85rem;color:var(--text-muted);text-align:center}