*{box-sizing:border-box;margin:0;padding:0}:root{--primary: #667eea;--primary-dark: #764ba2;--secondary: #ec4899;--background: #ffffff;--surface: #f8f9ff;--text-primary: #333333;--text-secondary: #666666;--border: #e2e8f0;--success: #43e97b;--success-light: #38f9d7;--info: #4facfe;--info-light: #00f2fe;--pillar1: #a8a4ff;--pillar1-dark: #8e85ff;--pillar2: #4facfe;--pillar2-dark: #00f2fe;--pillar3: #43e97b;--pillar3-dark: #38f9d7;--warning: #ffa726;--error: #f44336;--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:linear-gradient(135deg,#667eea,#764ba2);color:var(--text-primary);min-height:100vh;min-height:100dvh;padding:20px}.container{width:100%;max-width:1200px;margin:0 auto;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 20px 60px #0000004d}h1{font-size:2rem;font-weight:700;line-height:1.2;color:var(--text-primary)}h2{font-size:1.5rem;font-weight:600;line-height:1.3;color:var(--text-primary)}h3{font-size:1.25rem;font-weight:600;line-height:1.4;color:var(--text-primary)}@media(min-width:768px){h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}}button,.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);font-size:1rem;font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease;text-decoration:none;min-height:44px;gap:var(--spacing-xs)}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:active{transform:translateY(0)}input,textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:1rem;border:2px solid var(--border);border-radius:var(--radius-md);background-color:var(--background);color:var(--text-primary);transition:border-color .2s ease;min-height:44px}input:focus,textarea:focus{outline:none;border-color:var(--primary)}.card{background-color:var(--background);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-md);border:1px solid var(--border)}.text-center{text-align:center}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}@media(prefers-color-scheme:dark){:root{--background: #0f172a;--surface: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--border: #334155}}