*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;width:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5;color:var(--text-color);background-color:var(--background-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root{--color-primary: #1a73e8;--color-primary-dark: #1557b0;--color-primary-light: #4285f4;--color-secondary: #fbbc04;--color-success: #34a853;--color-danger: #ea4335;--color-warning: #ff9800;--color-text: #202124;--color-text-secondary: #5f6368;--color-border: #dadce0;--color-bg: #ffffff;--color-bg-secondary: #f8f9fa;--primary-color: var(--color-primary);--primary-dark: var(--color-primary-dark);--primary-light: var(--color-primary-light);--secondary-color: var(--color-secondary);--success-color: var(--color-success);--error-color: var(--color-danger);--warning-color: var(--color-warning);--text-color: var(--color-text);--text-secondary: var(--color-text-secondary);--background-color: var(--color-bg);--surface-color: var(--color-bg-secondary);--border-color: var(--color-border);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 2px 4px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 8px rgba(0, 0, 0, .15);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--border-radius: 8px;--transition: .2s ease}@media (prefers-color-scheme: dark){:root{--text-color: #e8eaed;--text-secondary: #9aa0a6;--background-color: #202124;--surface-color: #292a2d;--border-color: #5f6368}}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:.5rem}h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:1rem}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}button,.btn{padding:.5rem 1rem;border:none;border-radius:4px;background-color:var(--primary-color);color:#fff;font-size:1rem;cursor:pointer;transition:background-color .3s ease}button:hover,.btn:hover{background-color:var(--primary-dark)}button:disabled,.btn:disabled{opacity:.5;cursor:not-allowed}input,textarea,select{padding:.5rem;border:1px solid var(--border-color);border-radius:4px;font-size:1rem;font-family:inherit;width:100%}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #1a73e81a}.card{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;padding:1.5rem;box-shadow:var(--shadow-sm)}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.text-center{text-align:center}.text-right{text-align:right}.text-left{text-align:left}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}@media (max-width: 768px){body{font-size:14px}h1{font-size:1.5rem}h2{font-size:1.375rem}h3{font-size:1.25rem}h4{font-size:1.125rem}h5{font-size:1rem}h6{font-size:.875rem}}@media (max-width: 480px){.container{padding:0 .5rem}}