*{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #66cc33;--color-success: #009900;--color-error: #ff0000;--color-white: #ffffff;--color-black: #000000;--color-gray: #666666;--color-bg-dark: #1a1a1a;--color-bg-light: #f5f5f5;--font-size-text: 16px;--font-size-heading: 40px;--font-size-result: 35px;--button-height: 60px;--button-radius: 30px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--color-bg-dark);color:var(--color-white);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:1rem}.error-container{padding:3rem 2rem;background-color:var(--color-white);color:var(--color-black);border-radius:12px;margin:2rem auto;max-width:800px;box-shadow:0 4px 16px #0000001a;text-align:center}.error-container h1{margin-bottom:1rem;color:#dc3545}.error-container p{color:#666;margin-bottom:1rem;word-wrap:break-word}.error-container pre{background-color:#f5f5f5;padding:1rem;border-radius:8px;overflow-x:auto;margin-top:1rem;text-align:left;border:1px solid #e0e0e0}