:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:#ffffffde;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#242424;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}a{color:#646cff;-webkit-text-decoration:inherit;text-decoration:inherit;font-weight:500}a:hover{color:#535bf2}body{place-items:center;min-width:320px;min-height:100vh;margin:0;display:flex}h1{font-size:3.2em;line-height:1.1}button{cursor:pointer;background-color:#1a1a1a;border:1px solid #0000;border-radius:8px;padding:.6em 1.2em;font-family:inherit;font-size:1em;font-weight:500;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#root{text-align:center;max-width:1280px;margin:0 auto;padding:2rem}:root{--primary-bg:#020617;--secondary-bg:#0f172a;--accent-primary:#38bdf8;--accent-secondary:#818cf8;--text-main:#f8fafc;--text-muted:#94a3b8;--glass-bg:#1e293bb3;--glass-border:#ffffff1a;--danger:#ef4444;--success:#10b981;--warning:#f59e0b;--card-shadow:0 20px 25px -5px #0000004d, 0 10px 10px -5px #0003}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--primary-bg);color:var(--text-main);background-image:radial-gradient(at 0 0,#38bdf826 0,#0000 50%),radial-gradient(at 100% 0,#818cf826 0,#0000 50%);justify-content:center;align-items:center;min-height:100vh;font-family:Inter,sans-serif;display:flex;overflow-x:hidden}#root{justify-content:center;width:100%;padding:20px;display:flex}.signature-container{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);width:100%;max-width:1100px;box-shadow:var(--card-shadow);border-radius:28px;flex-direction:column;gap:32px;padding:40px;animation:.8s ease-out fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.header{text-align:center;flex-direction:column;align-items:center;gap:12px;display:flex}.logo-container{justify-content:center;align-items:center;gap:20px;display:flex}.app-logo{filter:drop-shadow(0 0 15px #38bdf866);width:60px;height:60px;animation:4s ease-in-out infinite logoFloat}@keyframes logoFloat{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-10px)rotate(5deg)}}.header h1{letter-spacing:-2px;background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-family:Montserrat,sans-serif;font-size:3.5rem;font-weight:800}.tagline{color:var(--text-muted);opacity:.9;font-size:1.2rem;font-style:italic;font-weight:500}.badge-container{margin-top:8px}.badge{letter-spacing:.5px;color:var(--success);background:#10b9811a;border:1px solid #10b98133;border-radius:50px;align-items:center;gap:10px;padding:8px 16px;font-size:.8rem;font-weight:700;display:flex}.pulse-dot{background:var(--success);border-radius:50%;width:8px;height:8px;animation:2s infinite pulse}@keyframes pulse{0%{transform:scale(.95);box-shadow:0 0 #10b981b3}70%{transform:scale(1);box-shadow:0 0 0 10px #10b98100}to{transform:scale(.95);box-shadow:0 0 #10b98100}}.app-footer{text-align:center;border-top:1px solid var(--glass-border);color:var(--text-muted);margin-top:20px;padding:20px;font-size:.9rem}.app-footer a{color:var(--accent-primary);font-weight:700;text-decoration:none;transition:all .2s}.app-footer a:hover{text-shadow:0 0 10px var(--accent-primary);letter-spacing:.5px}.main-layout{grid-template-columns:320px 1fr;gap:32px;display:grid}.toolbar{flex-direction:column;gap:24px;display:flex}.control-group{border:1px solid var(--glass-border);background:#0f172a66;border-radius:20px;flex-direction:column;gap:14px;padding:20px;display:flex}.control-group label{color:var(--accent-primary);text-transform:uppercase;letter-spacing:1px;font-size:.85rem;font-weight:700}.color-presets{flex-wrap:wrap;gap:10px;display:flex}.preset-btn{cursor:pointer;border:2px solid #0000;border-radius:50%;width:32px;height:32px;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 6px -1px #0000001a}.preset-btn:hover{transform:scale(1.2)}.preset-btn.active{box-shadow:0 0 15px var(--accent-primary);border-color:#fff;transform:scale(1.1)}.style-grid{grid-template-columns:repeat(2,1fr);gap:8px;width:100%;display:grid!important}.style-btn{flex-direction:column;justify-content:center;align-items:center;gap:4px;height:60px!important;padding:10px 5px!important;font-size:.8rem!important;transition:all .3s cubic-bezier(.4,0,.2,1)!important;display:flex!important}.style-icon{font-size:1.2rem;font-weight:700}.style-label{opacity:.8;font-size:.7rem}.style-btn.active{transform:scale(1.05);box-shadow:0 4px 15px #6c5ce74d;background:var(--accent-primary)!important;color:#fff!important;border-color:var(--accent-primary)!important}input[type=range]{appearance:none;background:#ffffff1a;border-radius:5px;outline:none;width:100%;height:6px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent-primary);cursor:pointer;border-radius:50%;width:18px;height:18px;transition:all .2s;box-shadow:0 0 10px #38bdf880}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 0 15px #38bdf8cc}.canvas-area{flex-direction:column;gap:20px;display:flex}.canvas-wrapper{aspect-ratio:16/9;border:1px solid var(--glass-border);border-radius:20px;width:100%;position:relative;overflow:hidden;box-shadow:inset 0 4px 6px -1px #0000001a}canvas{cursor:url("data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"black\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M12 19l7-7 3 3-7 7-3-3z\"></path><path d=\"M18 13l-1.5-7.5L2 2l3.5 14.5L13 18l5-5z\"></path><path d=\"M2 2l5 5\"></path><path d=\"M11 11l1 1\"></path></svg>"),crosshair;width:100%!important;height:100%!important}.canvas-toolbar{border:1px solid var(--glass-border);background:#0f172a66;border-radius:16px;justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.tool-buttons{gap:12px;display:flex}.action-bar{grid-template-columns:auto auto 1fr auto;align-items:center;gap:16px;display:grid}.btn{cursor:pointer;border:none;border-radius:14px;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.btn:active{transform:scale(.95)}.btn-icon{font-size:1.2rem}.btn-primary{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));color:#fff}.btn-primary:hover{filter:brightness(1.1);box-shadow:0 10px 15px -3px #38bdf866}.btn-secondary{color:var(--text-main);border:1px solid var(--glass-border);background:#ffffff0d}.btn-secondary:hover{background:#ffffff1a}.btn-danger{color:var(--danger);background:#ef44441a;border:1px solid #ef444433}.btn-danger:hover{background:var(--danger);color:#fff}.btn-tool{padding:8px 16px;font-size:.85rem}.btn-tool.active{background:var(--accent-primary);color:var(--primary-bg)}.toast-container{z-index:1000;flex-direction:column;gap:12px;display:flex;position:fixed;bottom:24px;right:24px}.toast{background:var(--secondary-bg);color:#fff;border-left:4px solid var(--accent-primary);border-radius:12px;align-items:center;gap:12px;padding:16px 24px;animation:.3s ease-out slideIn;display:flex;box-shadow:0 10px 15px -3px #0000004d}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@media (width<=900px){.main-layout{grid-template-columns:1fr}.signature-container{border-radius:20px;margin:10px;padding:24px}}@media (width<=600px){.header h1{font-size:2rem}.action-bar{grid-template-columns:1fr 1fr}}