*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #1040b0;--secondary-color: #103080;--error-color: #f44336;--bg-color: #fafafa;--text-color: #212121;--text-secondary: #757575;--border-color: #e0e0e0;--header-height: 64px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 3rem;--border-radius: 4px;--content-max-width: 960px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.dark{--primary-color: #2563eb;--bg-color: #121212;--text-color: #e0e0e0;--text-secondary: #999;--border-color: #333;--accent-bg: #1a2744;--input-bg: #1e1e1e;--card-bg: #1e1e1e;color:var(--text-color)}body{margin:0;min-height:100vh;color:var(--text-color);font-size:16px;line-height:1.5}#app{width:100%;min-height:100vh;display:flex;flex-direction:column}button{font-family:inherit;font-size:14px;padding:10px 20px;border:none;border-radius:var(--border-radius);cursor:pointer;transition:all .2s}button:hover{opacity:.9}button:active{transform:scale(.98)}button:disabled{opacity:.5;cursor:not-allowed}@media(max-width:768px){:root{--header-height: 56px;--spacing-md: 12px;--spacing-lg: 16px;--spacing-xl: 2rem}body{font-size:14px}}