*{box-sizing:border-box;margin:0;padding:0}body{color:#333;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}#root{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100;background:#fffffff2;border-bottom:1px solid #fff3;position:sticky;top:0}.header-content{justify-content:space-between;align-items:center;padding:1rem 0;display:flex}.logo{color:#4f46e5;font-size:1.5rem;font-weight:700;text-decoration:none}.nav{gap:2rem;display:flex}.nav-link{color:#6b7280;font-weight:500;text-decoration:none;transition:color .2s}.nav-link:hover,.nav-link.active{color:#4f46e5}.main{min-height:calc(100vh - 80px);padding:2rem 0}.hero{text-align:center;color:#fff;padding:4rem 0}.hero h1{text-shadow:0 2px 4px #0000001a;margin-bottom:1rem;font-size:3rem;font-weight:700}.hero p{opacity:.9;max-width:600px;margin:0 auto;font-size:1.25rem}.tools-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:3rem;display:grid}.tool-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:inherit;background:#fffffff2;border:1px solid #fff3;border-radius:12px;padding:2rem;text-decoration:none;transition:all .3s;box-shadow:0 4px 6px #0000001a}.tool-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px #00000026}.tool-card h3{color:#1f2937;margin-bottom:.5rem;font-size:1.25rem;font-weight:600}.tool-card p{color:#6b7280;line-height:1.6}.tool-page{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2;border-radius:12px;max-width:800px;margin:2rem auto;padding:2rem;box-shadow:0 4px 6px #0000001a}.tool-page h1{color:#1f2937;margin-bottom:.5rem;font-size:2rem;font-weight:700}.tool-page .description{color:#6b7280;margin-bottom:2rem;font-size:1.1rem}.form-group{margin-bottom:1.5rem}.form-group label{color:#374151;margin-bottom:.5rem;font-weight:500;display:block}.form-input,.form-textarea{border:2px solid #e5e7eb;border-radius:8px;width:100%;padding:.75rem;font-family:Inter,monospace;font-size:1rem;transition:border-color .2s}.form-input:focus,.form-textarea:focus{border-color:#4f46e5;outline:none}.form-textarea{resize:vertical;min-height:120px}.btn{color:#fff;cursor:pointer;background:#4f46e5;border:none;border-radius:8px;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;transition:background-color .2s}.btn:hover{background:#4338ca}.btn:disabled{cursor:not-allowed;background:#9ca3af}.btn-secondary{background:#6b7280;margin-left:.5rem}.btn-secondary:hover{background:#4b5563}.result-section{border-top:1px solid #e5e7eb;margin-top:2rem;padding-top:2rem}.result-section h3{color:#1f2937;margin-bottom:1rem}.result-output{word-break:break-all;white-space:pre-wrap;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:1rem;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.9rem}.success-message{color:#065f46;background:#d1fae5;border:1px solid #a7f3d0;border-radius:8px;margin-top:1rem;padding:.75rem}.error-message{color:#991b1b;background:#fee2e2;border:1px solid #fecaca;border-radius:8px;margin-top:1rem;padding:.75rem}@media (max-width:768px){.hero h1{font-size:2rem}.hero p{font-size:1rem}.nav{gap:1rem}.tools-grid{grid-template-columns:1fr}.tool-page{margin:1rem;padding:1.5rem}}