:root{--primary: #509583;--primary-dark: #3d7568;--secondary: #b97e7c;--secondary-dark: #9a6563;--bg: #ffffff;--text: #333333;--card-bg: #f9f9f9;--border: #e0e0e0}[data-theme=dark]{--bg: #1e1e2f;--text: #e0e0e0;--card-bg: #2a2a3a;--border: #3a3a4a}body{margin:0;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:var(--bg);color:var(--text);transition:background .3s,color .3s}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}button{background-color:var(--primary);color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;transition:background .2s}button:hover{background-color:var(--primary-dark)}button.secondary{background-color:var(--secondary)}button.secondary:hover{background-color:var(--secondary-dark)}table{width:100%;border-collapse:collapse;background-color:var(--card-bg)}th,td{border:1px solid var(--border);padding:8px;text-align:left}th{background-color:var(--primary);color:#fff}