:root{--primary-gradient:linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient:linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--dark-bg:#0f0f23;--card-bg:#fffffff2;--card-shadow:0 8px 32px 0 #1f26875e;--text-primary:#2d3748;--text-secondary:#718096;--border-color:#e2e8f0;--accent-color:#667eea;--accent-hover:#5a67d8;--canvas-bg:#fff;--shadow-soft:0 4px 6px -1px #00000036, 0 2px 4px -1px #0000000f;--shadow-medium:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-large:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--dark-bg);justify-content:center;align-items:center;min-height:100vh;margin:0;padding:20px;display:flex;overflow:hidden}#root{background-color:var(--canvas-bg);border-radius:12px;width:100%;max-width:1200px;height:100%}body:before{content:"";pointer-events:none;z-index:-1;background:radial-gradient(circle at 20% 80%,#667eea1a 0%,#0000 50%),radial-gradient(circle at 80% 20%,#764ba21a 0%,#0000 50%),radial-gradient(circle at 40% 40%,#f093fb0d 0%,#0000 50%);width:100%;height:100%;position:fixed;top:0;left:0}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.fade-in{animation:.6s ease-out fadeIn}.slide-in{animation:.6s ease-out slideIn}@media (max-width:768px){body{padding:10px}}.menu{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-soft);background:linear-gradient(135deg,#b1aeaef2 0%,#a4c2e0f2 100%);border-radius:12px;flex-wrap:wrap;align-items:center;gap:40px;margin:10px;padding:25px 30px;animation:.6s ease-out slideIn;display:flex}.control-group{flex-direction:column;justify-content:center;align-items:center;gap:8px;margin:auto;display:flex}.control-label{color:var(--text-primary);align-items:center;gap:8px;font-size:14px;font-weight:600;transition:color .2s;display:flex}.control-label:before{content:"";background:var(--accent-color);opacity:.8;border-radius:50%;width:4px;height:4px}.tool-buttons{gap:10px;display:flex}.tool-btn{border:2px solid var(--border-color);cursor:pointer;color:var(--text-primary);box-shadow:var(--shadow-soft);background:#fff;border-radius:10px;align-items:center;gap:6px;padding:10px 16px;font-size:14px;font-weight:500;transition:all .3s;display:flex}.tool-btn:hover{border-color:var(--accent-color);box-shadow:var(--shadow-medium);transform:translateY(-2px)}.tool-btn.active{background:var(--accent-color);border-color:var(--accent-color);color:#fff;box-shadow:var(--shadow-medium);transform:translateY(0)}.tool-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}input[type=color]:disabled{opacity:.5;cursor:not-allowed}.color-input-wrapper{border:2px solid var(--border-color);cursor:pointer;border-radius:12px;width:60px;height:40px;transition:all .3s;position:relative;overflow:hidden}.color-input-wrapper:hover{border-color:var(--accent-color);box-shadow:var(--shadow-medium);transform:scale(1.05)}input[type=color]{cursor:pointer;background:0 0;border:none;width:200%;height:200%;position:absolute;top:-50%;left:-50%}.range-container{align-items:center;gap:12px;min-width:200px;display:flex}input[type=range]{background:linear-gradient(to right, var(--accent-color) 0%, var(--accent-color) var(--value,50%), #e2e8f0 var(--value,50%), #e2e8f0 100%);cursor:pointer;border-radius:3px;outline:none;flex:1;height:6px;transition:all .3s}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent-color);cursor:pointer;width:20px;height:20px;box-shadow:var(--shadow-medium);border:3px solid #fff;border-radius:50%;transition:all .2s}input[type=range]::-webkit-slider-thumb:hover{background:var(--accent-hover);box-shadow:var(--shadow-large);transform:scale(1.2)}input[type=range]::-moz-range-thumb{background:var(--accent-color);cursor:pointer;width:20px;height:20px;box-shadow:var(--shadow-medium);border:3px solid #fff;border-radius:50%;transition:all .2s}.range-value{background:var(--accent-color);color:#fff;text-align:center;min-width:45px;box-shadow:var(--shadow-soft);border-radius:8px;padding:6px 10px;font-size:12px;font-weight:600}@media (max-width:768px){.menu{justify-content:center;gap:20px;padding:20px}.control-group{flex:1;min-width:150px}.range-container{min-width:150px}}@media (max-width:480px){.menu{gap:15px;padding:15px}.control-group{min-width:120px}}