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480px){.recording-content{padding:30px}.recording-progress-bar{width:200px}}.svg-animator{width:100%;height:100%;display:flex;flex-direction:column;background:#fff}.animator-container{flex:1;overflow:auto;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fafafa,#f5f5f5);position:relative}.svg-container{display:flex;align-items:center;justify-content:center}.svg-container svg{max-width:100%;max-height:100%;border:none;border-radius:8px;box-shadow:0 10px 40px #00000014}.animator-info{padding:28px;border-top:1px solid #e8e8e8;background:linear-gradient(135deg,#fff,#f9f9f9);max-height:300px;overflow-y:auto}.progress-info{display:flex;flex-direction:column;gap:16px;margin-bottom:20px}.line-count{font-size:.9rem;color:#666;font-weight:600;letter-spacing:.5px;text-transform:uppercase}.progress-bar{width:100%;height:8px;background:#e8e8e8;border-radius:4px;overflow:hidden;box-shadow:inset 0 2px 4px #0000000f}.progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);transition:width .15s ease;border-radius:4px;box-shadow:0 2px 8px #667eea66}.lengths-info{margin-top:24px}.no-lengths{color:#999;font-size:.95rem;font-style:italic;padding:16px;text-align:center;background:#f5f5f5;border-radius:8px}.lengths-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.length-row{display:flex;align-items:center;gap:12px;font-size:.9rem;color:#333;background:#fff;padding:14px 16px;border-radius:10px;border:1px solid #f0f0f0;box-shadow:0 2px 8px #0000000a;transition:all .3s ease}.length-row:hover{border-color:#ddd;box-shadow:0 4px 12px #00000014;transform:translateY(-2px)}.color-swatch{width:24px;height:20px;border-radius:4px;border:2px solid rgba(0,0,0,.1);display:inline-block;flex-shrink:0;box-shadow:0 2px 4px #0000001f}.color-label{flex:1;color:#555;font-weight:500;font-family:Monaco,Menlo,Ubuntu 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cubic-bezier(.34,1.56,.64,1);cursor:pointer;border:none;letter-spacing:.3px;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:#fff3;transition:left .5s ease;z-index:0}.btn:hover:before{left:100%}.btn>*{position:relative;z-index:1}.btn:hover{transform:translateY(-3px);box-shadow:0 8px 20px #00000026}.btn:active{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;flex:1;box-shadow:0 4px 15px #667eea4d}.btn-primary.playing{background:linear-gradient(135deg,#f093fb,#f5576c);box-shadow:0 4px 15px #f5576c4d}.btn-primary:hover{box-shadow:0 8px 25px #667eea66}.btn-secondary{background:#f5f7fa;color:#2c3e50;border:2px solid #e8eaed;flex:1;font-weight:700}.btn-secondary:hover{background:#eef1f8;border-color:#667eea;color:#667eea;box-shadow:0 4px 12px #667eea26}.btn-record{background:linear-gradient(135deg,#f093fb,#f5576c);color:#fff;width:100%;animation:pulse 2.5s 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cubic-bezier(.34,1.56,.64,1);letter-spacing:.3px;position:relative;overflow:hidden}.example-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:#667eea1a;transition:left .5s ease;z-index:0}.example-btn:hover:before{left:100%}.example-btn>*{position:relative;z-index:1}.example-btn:hover{background:linear-gradient(135deg,#eef1f8,#b8c5d6);border-color:#667eea;color:#667eea;transform:translateY(-3px);box-shadow:0 8px 20px #667eea33}.example-btn:active{transform:translateY(-1px)}.loading{color:#999;font-size:.9rem;text-align:center;padding:12px;font-style:italic}@media (max-width: 768px){.example-selector{padding:16px}.selector-options{gap:8px}.example-btn{font-size:.85rem;padding:8px 12px;flex:1;min-width:100px}}.app{width:100%;min-height:100vh;padding:24px;background:linear-gradient(135deg,#667eea,#764ba2);background-attachment:fixed}.container{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:32px}.header{text-align:center;margin-bottom:20px;animation:slideDown .6s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.header h1{font-size:3.2rem;margin-bottom:12px;background:linear-gradient(135deg,#fff,#f0f0f0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:800;letter-spacing:-1px;text-shadow:0 4px 20px rgba(0,0,0,.1)}.header p{font-size:1.15rem;color:#ffffffe6;font-weight:500}.main{display:grid;grid-template-columns:1fr;gap:32px;animation:fadeIn .8s ease-out .2s both}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.canvas-section{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 20px 60px #0003;min-height:500px;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3)}.upload-area{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .4s ease;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);gap:24px;position:relative;overflow:hidden}.upload-area:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 50%,rgba(102,126,234,.1) 0%,transparent 50%);pointer-events:none}.upload-area:hover{background:linear-gradient(135deg,#f0f2f5,#b8c5d6);transform:scale(1.02)}.upload-icon{font-size:5.5rem;animation:float 3s ease-in-out infinite;z-index:1}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.upload-text{font-size:1.4rem;color:#2c3e50;font-weight:700;z-index:1}.upload-subtext{font-size:1rem;color:#7f8c8d;z-index:1}.footer{text-align:center;color:#ffffffd9;padding:24px;font-size:.95rem;font-weight:500}@media (max-width: 768px){.app{padding:16px}.container{gap:24px}.header h1{font-size:2.2rem}.header p{font-size:.95rem}.canvas-section{min-height:350px;border-radius:16px}.upload-icon{font-size:3.5rem}.upload-text{font-size:1.1rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);min-height:100vh;color:#333}#app{width:100%;min-height:100vh}button{background:none;border:none;cursor:pointer;padding:0;font:inherit}button:disabled{opacity:.5;cursor:not-allowed}input{font-family:inherit}input[type=file]{display:none}