.app{min-height:100vh;display:flex;flex-direction:column;background-color:var(--background-alt);padding:0}.admin-link{position:fixed;bottom:20px;right:20px;font-size:.9rem;opacity:.6;transition:opacity var(--transition);padding:8px 12px;background-color:#fffc;border-radius:var(--radius-sm);z-index:100}.admin-link:hover{opacity:1}.quiz-container{max-width:1100px;margin:2rem auto 3rem;padding:2.5rem;background-color:var(--background);border-radius:var(--radius-md);box-shadow:var(--shadow-md)}.btn{display:inline-block;padding:1rem 1.75rem;font-weight:500;text-align:center;border-radius:var(--radius-sm);transition:all var(--transition);border:none;margin:.5rem;white-space:nowrap;font-size:1.05rem}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-secondary{background-color:var(--secondary);color:#fff}.btn-secondary:hover{background-color:#e56a42}.btn-outline{background-color:transparent;border:1px solid var(--primary);color:var(--primary)}.btn-outline:hover{background-color:var(--primary-light)}.form-group{margin-bottom:1.75rem}.form-label{display:block;margin-bottom:.875rem;font-weight:500;font-size:1.05rem}.form-input{width:100%;padding:1.125rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-sans);transition:border-color var(--transition);font-size:1.05rem}.form-input:focus{outline:none;border-color:var(--primary)}.card{background-color:var(--background);border-radius:var(--radius-md);box-shadow:var(--shadow-md);padding:2.5rem;margin-bottom:2.5rem}.text-center{text-align:center}.mb-1{margin-bottom:.875rem}.mb-2{margin-bottom:1.75rem}.mb-3{margin-bottom:2.5rem}.mb-4{margin-bottom:3.5rem}.mt-1{margin-top:.875rem}.mt-2{margin-top:1.75rem}.mt-3{margin-top:2.5rem}.mt-4{margin-top:3.5rem}.p-1{padding:.875rem}.p-2{padding:1.75rem}.p-3{padding:2.5rem}.p-4{padding:3.5rem}.py-1{padding-top:.875rem;padding-bottom:.875rem}.py-2{padding-top:1.75rem;padding-bottom:1.75rem}.py-3{padding-top:2.5rem;padding-bottom:2.5rem}.py-4{padding-top:3.5rem;padding-bottom:3.5rem}.px-1{padding-left:.875rem;padding-right:.875rem}.px-2{padding-left:1.75rem;padding-right:1.75rem}.px-3{padding-left:2.5rem;padding-right:2.5rem}.px-4{padding-left:3.5rem;padding-right:3.5rem}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}@media (max-width: 768px){.quiz-container{padding:1.75rem;margin:1.75rem auto 3rem}.btn{padding:.875rem 1.5rem}.card{padding:1.75rem}.container{padding:0 1.25rem}}:root{--primary: #5271FF;--primary-light: #E2E8FF;--primary-dark: #3A56D4;--secondary: #FF7D54;--text: #333333;--text-light: #666666;--background: #FFFFFF;--background-alt: #F8F9FC;--border: #E5E7EB;--success: #10B981;--error: #EF4444;--warning: #F59E0B;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: 1rem;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--font-serif: "Playfair Display", Georgia, Cambria, "Times New Roman", Times, serif;--transition: .2s ease-in-out;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 3rem;--spacing-xl: 4rem;--spacing-xxl: 6rem}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font-sans);color:var(--text);background-color:var(--background);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);font-weight:600;line-height:1.3;margin-bottom:1.5rem}h1{font-size:2.75rem}h2{font-size:2.25rem}h3{font-size:1.875rem}h4{font-size:1.625rem}p{margin-bottom:1.5rem;font-size:1.05rem}a{color:var(--primary);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--primary-dark)}button{cursor:pointer;font-family:var(--font-sans);font-size:1.05rem}img{max-width:100%;height:auto}#root{height:100%}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 2.5rem}section{margin-bottom:var(--spacing-xxl);padding:var(--spacing-md) 0}@media (max-width: 768px){h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.625rem}h4{font-size:1.375rem}.container{padding:0 1.5rem}section{margin-bottom:var(--spacing-xl)}}