:root{--primary-color: #0D8ABC;--bg-color: #f8f9fa;--card-bg: #ffffff;--card-hover-bg: #f0f8ff;--text-primary: #333333;--text-secondary: #666666;--border-color: #e0e0e0}@media(prefers-color-scheme:dark){:root{--primary-color: #4db6ac;--bg-color: #121212;--card-bg: #1e1e1e;--card-hover-bg: #2c2c2c;--text-primary: #ffffff;--text-secondary: #aaaaaa;--border-color: #333333}}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}*{box-sizing:border-box}.main-container{min-height:100vh;display:flex;flex-direction:column}.footer{margin-top:auto;padding:2rem;text-align:center;color:var(--text-secondary);font-size:.9rem}