:root{--primary: #3498db;--primary-light: #74b9ff;--primary-dark: #2980b9;--secondary: #2c3e50;--secondary-light: #34495e;--secondary-dark: #1e2a3a;--text: #0f172a;--text-light: #64748b;--background: #f5f7fa;--surface: #ffffff;--error: #e74c3c;--warning: #f39c12;--success: #27ae60;--border: #e2e8f0;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background);color:var(--text);line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button,.button{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;font-weight:500;font-size:1rem;line-height:1.5;border-radius:.375rem;cursor:pointer;border:none;transition:all .2s ease-in-out}button.primary,.button.primary{background-color:var(--primary);color:#fff}button.primary:hover,.button.primary:hover{background-color:var(--primary-dark)}button.secondary,.button.secondary{background-color:transparent;color:var(--primary);border:1px solid var(--primary)}button.secondary:hover,.button.secondary:hover{background-color:#4f46e50d}input,textarea,select{padding:.5rem .75rem;border-radius:.375rem;border:1px solid var(--border);font-size:1rem;line-height:1.5;width:100%}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.card{background-color:var(--surface);border-radius:.5rem;box-shadow:var(--shadow);padding:1.5rem}