.app{min-height:100vh;display:flex;flex-direction:column}.nav{background-color:#1a1a1a;color:#fff;padding:1rem 0;box-shadow:0 2px 4px #0000001a}.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between}.nav-title{font-size:1.5rem;font-weight:700;margin:0}.nav-list{display:flex;list-style:none;gap:2rem;margin:0}.nav-link{color:#ccc;text-decoration:none;padding:.5rem 1rem;border-radius:4px;transition:background-color .2s}.nav-link:hover{background-color:#333;color:#fff}.nav-link.active{background-color:#4a90e2;color:#fff}.main-content{flex:1;max-width:1200px;margin:0 auto;padding:2rem;width:100%}.card{background:#fff;border-radius:8px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 2px 4px #0000001a}.card-title{font-size:1.25rem;font-weight:600;margin-bottom:1rem;color:#333}.loading{text-align:center;padding:2rem;color:#666}.error{background-color:#fee;color:#c33;padding:1rem;border-radius:4px;margin:1rem 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin-bottom:1.5rem}.trend-indicator{display:inline-block;margin-left:.5rem;font-weight:700}.trend-indicator.rising{color:#28a745}.trend-indicator.declining{color:#dc3545}.trend-indicator.stable{color:#6c757d}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5;color:#333}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}