:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;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:#535bf2}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:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}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}}.app-container{min-height:100vh;background-color:#f0f2f5;display:flex;justify-content:center;align-items:flex-start;padding:40px 20px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.dashboard-card{background-color:#fff;padding:40px;border-radius:16px;box-shadow:0 4px 20px #00000014;width:100%;max-width:1000px}.title{color:#202124;margin-bottom:30px;font-size:28px;text-align:center;font-weight:700}.selector-container{display:flex;justify-content:center;align-items:center;gap:20px;margin-bottom:30px;background-color:#f8f9fa;padding:20px;border-radius:12px}.select-group label{font-size:14px;color:#555;font-weight:600;margin-bottom:5px;display:block}.currency-select{padding:10px;font-size:16px;border-radius:8px;border:1px solid #ccc}.swap-icon{font-size:20px;color:#555;padding-top:20px}.rate-section{text-align:center;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid #eee}.rate-display{font-size:56px;font-weight:700;color:#1a73e8}.description{color:#666;font-size:18px}.chart-section{margin-bottom:40px}.section-title{font-size:20px;color:#202124;margin-bottom:15px;font-weight:600;border-left:4px solid #1a73e8;padding-left:12px}.chart-container{height:350px;width:100%}.loading-text{display:flex;justify-content:center;align-items:center;height:100%;color:#888}.news-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.refresh-btn{background-color:#f1f3f4;border:none;padding:8px 16px;border-radius:20px;cursor:pointer;font-size:14px;color:#1a73e8;font-weight:600;transition:all .2s}.refresh-btn:hover{background-color:#e8f0fe}.refresh-btn:disabled{color:#aaa;cursor:not-allowed}.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.news-card{text-decoration:none;border:1px solid #eee;border-radius:12px;overflow:hidden;transition:transform .2s,box-shadow .2s;background:#fff;display:flex;flex-direction:column;height:280px}.news-card:hover{transform:translateY(-5px);box-shadow:0 8px 16px #0000001a}.news-image{height:140px;background-size:cover;background-position:center}.news-content{padding:15px;display:flex;flex-direction:column;justify-content:space-between;flex-grow:1}.news-title{font-size:15px;color:#202124;margin:0 0 5px;line-height:1.4;font-weight:600;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.news-source{font-size:12px;color:#5f6368;margin:0}.no-news{text-align:center;color:#888;grid-column:1 / -1;padding:20px}@media(max-width:600px){.selector-container{flex-direction:column}.swap-icon{transform:rotate(90deg);padding-top:0;margin:10px 0}.news-card{height:auto}}