.tool-container{max-width:800px;margin:2rem auto;padding:0 1rem}.tool-header{text-align:center;margin-bottom:2rem}.tool-title{font-size:2.5rem;font-weight:700;color:#1f2937;margin-bottom:1rem;background:linear-gradient(135deg,#38bdf8,#3b82f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.tool-description{font-size:1.1rem;color:#6b7280;line-height:1.6;max-width:700px;margin:0 auto}.version-section{margin-bottom:2rem}.version-buttons{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.75rem}.version-btn{padding:.75rem 1.5rem;background:#ffffffb3;border:2px solid rgba(255,255,255,.3);border-radius:8px;color:#374151;font-weight:500;cursor:pointer;transition:all .3s ease;min-width:60px}.version-btn:hover{background:#38bdf81a;border-color:#38bdf880;color:#0ea5e9}.version-btn.active{background:linear-gradient(135deg,#10b981,#059669);border-color:#10b981;color:#fff;box-shadow:0 4px 12px #10b9814d}.quantity-section{margin-bottom:2rem}.quantity-control{display:flex;align-items:center;gap:1rem;margin-top:.75rem}.quantity-btn{width:40px;height:40px;border:2px solid rgba(255,255,255,.3);background:#1e293bcc;color:#fff;border-radius:8px;font-size:1.2rem;font-weight:700;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center}.quantity-btn:hover{background:#38bdf8cc;border-color:#38bdf8;transform:scale(1.05)}.quantity-input{width:80px;padding:.75rem;text-align:center;background:#fffc;border:1px solid rgba(0,0,0,.1);border-radius:8px;font-size:1rem;font-weight:600;color:#374151}.quantity-input:focus{outline:none;border-color:#38bdf8;box-shadow:0 0 0 3px #38bdf81a}.namespace-section{margin-bottom:2rem;padding:2rem;background:linear-gradient(135deg,#fffc,#f8fafce6);border:1px solid rgba(255,255,255,.3);border-radius:16px;backdrop-filter:blur(20px);box-shadow:0 8px 32px #0000001a}.namespace-controls{display:flex;flex-direction:column;gap:2rem}.namespace-group,.name-group{display:flex;flex-direction:column;gap:1rem;width:100%}.namespace-section .form-label{font-size:1.1rem;font-weight:600;color:#374151;margin-bottom:0;background:linear-gradient(135deg,#64748b,#475569);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.namespace-presets{display:flex;gap:.75rem;flex-wrap:wrap;margin:0}.preset-btn{padding:.875rem 1.25rem;background:#ffffffe6;border:2px solid rgba(226,232,240,.8);border-radius:10px;color:#64748b;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);text-align:center;position:relative;overflow:hidden;flex:1;min-width:80px}.preset-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);transition:left .5s}.preset-btn:hover:before{left:100%}.preset-btn:hover{background:#38bdf81a;border-color:#38bdf866;color:#0ea5e9;transform:translateY(-2px);box-shadow:0 8px 25px #38bdf826}.preset-btn.active{background:linear-gradient(135deg,#10b981,#059669);border-color:#10b981;color:#fff;box-shadow:0 8px 25px #10b9814d;transform:translateY(-2px)}.namespace-input-container{position:relative;background:#fffc;border-radius:12px;padding:.25rem;border:2px solid rgba(226,232,240,.8);transition:all .3s ease;overflow:visible;min-height:60px}.namespace-input-container:focus-within{border-color:#38bdf8;box-shadow:0 0 0 4px #38bdf81a}.namespace-input{width:100%;padding:1rem 8rem 1rem 1rem;background:transparent;border:none;border-radius:10px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.85rem;color:#374151;line-height:2.4;word-break:break-all;transition:all .3s ease}.namespace-input:focus{outline:none;background:#ffffff80}.namespace-input.valid{color:#059669}.namespace-input.invalid{color:#dc2626}.validation-indicator{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:.5rem;padding:.4rem .6rem;border-radius:8px;backdrop-filter:blur(10px);transition:all .3s ease;z-index:100;pointer-events:none;white-space:nowrap}.validation-indicator.valid{background:#10b9811a;border:1px solid rgba(16,185,129,.2)}.validation-indicator.invalid{background:#ef44441a;border:1px solid rgba(239,68,68,.2)}.validation-icon{font-size:1rem;font-weight:700;display:flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;transition:all .3s ease}.validation-icon.valid{color:#fff;background:linear-gradient(135deg,#10b981,#059669);box-shadow:0 4px 12px #10b9814d}.validation-icon.invalid{color:#fff;background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 4px 12px #ef44444d}.validation-text{font-size:.8rem;font-weight:600;letter-spacing:.025em}.validation-text.valid{color:#059669}.validation-text.invalid{color:#dc2626}.name-group .form-input{margin:0;padding:1rem 1.25rem;background:#fffc;border:2px solid rgba(226,232,240,.8);border-radius:12px;font-size:1rem;font-weight:500;color:#374151;transition:all .3s ease;width:100%;box-sizing:border-box}.name-group .form-input:focus{background:#fffffff2;border-color:#38bdf8;box-shadow:0 0 0 4px #38bdf81a;transform:translateY(-1px);outline:none}.result-section{margin-bottom:2rem}.uuid-textarea{min-height:120px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:1rem;line-height:1.8;resize:vertical;word-break:break-all}.button-group{display:flex;gap:1rem;justify-content:center}.form-button{min-width:120px;display:flex;align-items:center;justify-content:center}@media (max-width: 768px){.namespace-presets{gap:.5rem}.preset-btn{padding:.75rem 1rem;font-size:.8rem;min-width:70px}.validation-indicator{position:static;transform:none;justify-content:center;margin-top:.75rem;border-radius:10px}.namespace-input{padding:1rem}.namespace-section{padding:1.5rem}}@media (max-width: 480px){.namespace-presets{flex-direction:column;gap:.5rem}.preset-btn{flex:none;padding:1rem}.tool-title{font-size:2rem}.button-group{flex-direction:column}.form-button{width:100%}}