@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap");:root{--bg-primary:#0a0e17;--bg-secondary:#111827;--bg-card:rgba(17,24,39,0.7);--bg-card-hover:rgba(30,41,59,0.8);--bg-input:rgba(15,23,42,0.9);--border-color:rgba(100,116,139,0.25);--border-hover:rgba(99,179,237,0.4);--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-cyan:#22d3ee;--accent-blue:#3b82f6;--accent-purple:#8b5cf6;--accent-green:#10b981;--accent-red:#ef4444;--gradient-accent:linear-gradient(135deg,#22d3ee,#3b82f6,#8b5cf6);--gradient-card:linear-gradient(135deg,rgba(34,211,238,0.05),rgba(59,130,246,0.05));--gradient-glow:radial-gradient(ellipse at 50% 0%,rgba(34,211,238,0.12) 0%,transparent 60%);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--shadow-card:0 4px 24px rgba(0,0,0,0.3),0 0 0 1px rgba(100,116,139,0.1);--shadow-glow:0 0 40px rgba(34,211,238,0.15);--shadow-button:0 4px 16px rgba(34,211,238,0.25);--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition-smooth:300ms cubic-bezier(0.4,0,0.2,1);--transition-spring:400ms cubic-bezier(0.34,1.56,0.64,1)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;right:0;height:60vh;background:var(--gradient-glow);pointer-events:none;z-index:0}.app-container{max-width:960px;margin:0 auto;padding:40px 24px 80px;position:relative;z-index:1}.header{text-align:center;margin-bottom:48px}.header-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.2);border-radius:100px;font-size:12px;font-weight:500;color:var(--accent-cyan);letter-spacing:.5px;text-transform:uppercase;margin-bottom:20px}.header-badge svg{width:14px;height:14px}.header h1{font-size:48px;font-weight:800;letter-spacing:-1.5px;margin-bottom:12px;background:var(--gradient-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1}.header p{font-size:17px;color:var(--text-secondary);max-width:540px;margin:0 auto;line-height:1.6}.disclaimers{display:flex;flex-direction:column;gap:8px;margin-top:16px;max-width:600px;margin-left:auto;margin-right:auto}.disclaimer-item{display:flex;align-items:flex-start;gap:8px;padding:10px 14px;background:rgba(234,179,8,.08);border:1px solid rgba(234,179,8,.2);border-radius:8px;font-size:12px;line-height:1.5;color:var(--text-secondary)}.disclaimer-item strong{color:var(--text-primary)}.disclaimer-icon{flex-shrink:0;font-size:14px;line-height:1.3}.glass-card{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:border-color var(--transition-smooth),box-shadow var(--transition-smooth)}.glass-card:hover{border-color:var(--border-hover)}.section{margin-bottom:28px}.section-label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.8px;margin-bottom:12px}.section-label svg{width:16px;height:16px;color:var(--accent-cyan)}.textarea-wrapper{position:relative}.description-textarea{width:100%;min-height:200px;padding:18px 20px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-family:Inter,sans-serif;font-size:15px;line-height:1.7;resize:vertical;transition:border-color var(--transition-smooth),box-shadow var(--transition-smooth);outline:none}.description-textarea::placeholder{color:var(--text-muted)}.description-textarea:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 3px rgba(34,211,238,.1)}.char-count{position:absolute;bottom:10px;right:14px;font-size:11px;color:var(--text-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.params-row{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:12px;gap:12px}@media (max-width:640px){.params-row{grid-template-columns:repeat(2,1fr)}}.param-group{display:flex;flex-direction:column;gap:6px}.param-label{font-size:12px;font-weight:500;color:var(--text-muted)}.param-input{padding:10px 12px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-family:JetBrains Mono,monospace;font-size:13px;outline:none;transition:border-color var(--transition-fast)}.param-input:focus{border-color:var(--accent-cyan)}.examples-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px}@media (max-width:720px){.examples-grid{grid-template-columns:1fr}}.example-card{padding:16px;background:var(--gradient-card);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-smooth);position:relative;overflow:hidden}.example-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--gradient-accent);opacity:0;transition:opacity var(--transition-smooth)}.example-card:hover{border-color:var(--border-hover);background:var(--bg-card-hover);transform:translateY(-2px)}.example-card:hover:before{opacity:1}.example-icon{font-size:22px;margin-bottom:8px}.example-title{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.example-desc{font-size:12px;color:var(--text-muted);line-height:1.5}.generate-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:16px 32px;background:var(--gradient-accent);border:none;border-radius:var(--radius-md);color:#0a0e17;font-family:Inter,sans-serif;font-size:15px;font-weight:700;cursor:pointer;transition:all var(--transition-smooth);box-shadow:var(--shadow-button);position:relative;overflow:hidden;letter-spacing:.3px}.generate-btn:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.15),transparent);opacity:0;transition:opacity var(--transition-fast)}.generate-btn:hover:not(:disabled):before{opacity:1}.generate-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 32px rgba(34,211,238,.35)}.generate-btn:active:not(:disabled){transform:translateY(0)}.generate-btn:disabled{opacity:.5;cursor:not-allowed}.generate-btn svg{width:18px;height:18px}@keyframes spin{to{transform:rotate(1turn)}}.spinner{width:18px;height:18px;border:2px solid rgba(10,14,23,.3);border-top-color:#0a0e17;border-radius:50%;animation:spin .6s linear infinite}.output-section{margin-top:32px;animation:fadeInUp .4s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.output-header{justify-content:space-between;margin-bottom:12px}.output-header,.output-title{display:flex;align-items:center}.output-title{gap:8px;font-size:14px;font-weight:600;color:var(--accent-green)}.output-title svg{width:18px;height:18px}.output-actions{display:flex;gap:8px}.action-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text-secondary);font-family:Inter,sans-serif;font-size:13px;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.action-btn:hover{border-color:var(--border-hover);color:var(--text-primary);background:var(--bg-card-hover)}.action-btn.primary{background:rgba(34,211,238,.1);border-color:rgba(34,211,238,.3);color:var(--accent-cyan)}.action-btn.primary:hover{background:rgba(34,211,238,.2);border-color:var(--accent-cyan)}.action-btn svg{width:14px;height:14px}.code-block{position:relative;background:#0c111b;border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden}.code-block-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:rgba(30,41,59,.5);border-bottom:1px solid var(--border-color)}.code-filename{font-family:JetBrains Mono,monospace;font-size:12px;color:var(--text-muted)}.code-content{padding:16px 20px;max-height:420px;overflow:auto;scrollbar-width:thin;scrollbar-color:rgba(100,116,139,.3) transparent}.code-content::-webkit-scrollbar{width:6px;height:6px}.code-content::-webkit-scrollbar-track{background:transparent}.code-content::-webkit-scrollbar-thumb{background:rgba(100,116,139,.3);border-radius:10px}.code-content pre{font-family:JetBrains Mono,monospace;font-size:13px;line-height:1.6;color:#c9d1d9;white-space:pre;margin:0}.error-banner{display:flex;align-items:flex-start;gap:12px;padding:16px 20px;background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.25);border-radius:var(--radius-md);margin-top:20px;animation:fadeInUp .3s ease-out}.error-banner svg{flex-shrink:0;width:20px;height:20px;color:var(--accent-red);margin-top:1px}.error-banner p{font-size:14px;color:#fca5a5;line-height:1.5}.footer{text-align:center;margin-top:60px;padding-top:24px;border-top:1px solid var(--border-color)}.footer p{font-size:13px;color:var(--text-muted);line-height:1.6}.footer a{color:var(--accent-cyan);text-decoration:none;transition:color var(--transition-fast)}.footer a:hover{color:var(--accent-blue)}.footer-author{margin-top:6px;font-size:12px}.copy-toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(20px);padding:10px 20px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--accent-green);font-size:13px;font-weight:500;opacity:0;pointer-events:none;transition:all var(--transition-smooth);z-index:100}.copy-toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}@keyframes pulse{0%,to{opacity:.4}50%{opacity:1}}.loading-dots{display:flex;align-items:center;gap:4px}.loading-dots span{width:6px;height:6px;border-radius:50%;background:#0a0e17;animation:pulse 1.2s ease-in-out infinite}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}.diagram-type-toggle{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.toggle-btn{display:flex;flex-direction:column;gap:2px;padding:14px 16px;background:var(--bg-input);border:2px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-smooth);text-align:left;font-family:Inter,sans-serif}.toggle-btn:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}.toggle-btn.active{border-color:var(--accent-cyan);background:rgba(34,211,238,.06);box-shadow:0 0 0 1px rgba(34,211,238,.15),0 0 20px rgba(34,211,238,.08)}.toggle-icon{font-size:20px;margin-bottom:2px}.toggle-label{font-size:14px;font-weight:600;color:var(--text-primary)}.toggle-desc{font-size:12px;color:var(--text-muted)}.upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;border:2px dashed var(--border-color);border-radius:var(--radius-md);background:rgba(15,23,42,.5);cursor:pointer;transition:all var(--transition-smooth);gap:8px}.upload-zone:hover{border-color:var(--border-hover);background:rgba(34,211,238,.03)}.upload-zone.drag-over{border-color:var(--accent-cyan);background:rgba(34,211,238,.06);box-shadow:0 0 32px rgba(34,211,238,.12)}.upload-zone-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(34,211,238,.08);border-radius:10px;color:var(--accent-cyan);margin-bottom:4px}.upload-zone-icon svg{width:20px;height:20px}.upload-zone-text{font-size:14px;color:var(--text-secondary)}.upload-zone-link{color:var(--accent-cyan);font-weight:500;text-decoration:underline;text-underline-offset:2px}.upload-zone-hint{font-size:12px;color:var(--text-muted)}.image-preview-container{position:relative;border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;background:#0c111b}.image-preview{display:block;width:100%;max-height:320px;object-fit:contain;background:#0c111b}.image-remove-btn{position:absolute;top:10px;right:10px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:rgba(15,23,42,.85);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-color);border-radius:8px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.image-remove-btn:hover{background:rgba(239,68,68,.2);border-color:rgba(239,68,68,.4);color:var(--accent-red)}.image-remove-btn svg{width:16px;height:16px}.image-preview-badge{position:absolute;bottom:10px;left:10px;padding:4px 10px;background:rgba(15,23,42,.85);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-color);border-radius:6px;font-size:11px;font-weight:500;color:var(--accent-cyan);text-transform:uppercase;letter-spacing:.5px}.progress-container{margin-top:20px;padding:20px;background:rgba(15,23,42,.6);border:1px solid var(--border-color);border-radius:var(--radius-md);animation:fadeInUp .3s ease-out}.progress-bar-track{width:100%;height:6px;background:rgba(100,116,139,.2);border-radius:3px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--gradient-accent);border-radius:3px;transition:width .6s cubic-bezier(.4,0,.2,1);position:relative}.progress-bar-fill:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3) 50%,transparent);animation:shimmer 1.5s infinite}@keyframes shimmer{0%{transform:translateX(-100%)}to{transform:translateX(100%)}}.progress-steps{display:flex;justify-content:space-between;align-items:center;margin-top:10px}.progress-step-label{font-size:12px;font-weight:600;color:var(--accent-cyan);text-transform:uppercase;letter-spacing:.5px}.progress-percentage{font-size:12px;font-weight:600;color:var(--text-secondary);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.progress-message{font-size:14px;font-weight:500;color:var(--text-primary);margin-top:8px}.progress-detail{font-size:12px;color:var(--text-muted);margin-top:4px}