:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;--bg: #1e1e1e;--surface: #2a2a2a;--border: #333;--text: #f5f5f5;--muted: #a0a0a0;--accent: #4f8cff;--accent-hover: #3a6eee;color:var(--text);background-color:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:var(--accent-hover)}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--surface);cursor:pointer;transition:border-color .25s}button:hover{border-color:var(--accent)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#root{max-width:1200px;margin:0 auto;padding:1rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif}.app-container{display:flex;flex-direction:column}.app-title{text-align:center;margin:1rem 0 2rem}.status-msg.error{color:#e63946}.category-nav{display:flex;justify-content:center;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.nav-btn{padding:.5rem 1rem;border:1px solid var(--border);border-radius:4px;background:var(--surface);color:var(--text);cursor:pointer;transition:background .2s;text-transform:capitalize}.nav-btn:hover{background:var(--border)}.nav-btn.active{background:var(--accent);color:#fff}.article-card{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:8px;overflow:hidden;background:var(--surface);box-shadow:0 2px 6px #0000000d}.article-img{width:100%;height:160px;object-fit:cover}.article-content{padding:.75rem;display:flex;flex-direction:column;height:100%}.article-title{font-size:1rem;margin:0 0 .5rem;flex-grow:1}.article-source{font-size:.875rem;color:var(--muted);margin-bottom:.5rem}.read-more{align-self:flex-start;color:var(--accent);text-decoration:none;font-weight:600}.read-more:hover{text-decoration:underline}.read-more.disabled{color:var(--muted);cursor:default;text-decoration:none}.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.status-msg{text-align:center;margin-top:2rem}