:root{--font-family: "Inter", system-ui, Avenir, Helvetica, Arial, sans-serif;--bg-dark: #0f1115;--bg-card: #181b21;--primary: #646cff;--primary-hover: #535bf2;--text-main: #ffffff;--text-muted: #a1a1aa;--border: #27272a;--gradient-main: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-glow: radial-gradient(circle at center, rgba(100,108,255,.15) 0%, rgba(0,0,0,0) 70%)}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background-color:var(--bg-dark);color:var(--text-main);font-family:var(--font-family);-webkit-font-smoothing:antialiased;background-image:var(--gradient-glow);background-attachment:fixed}#root{width:100%;max-width:1280px;margin:0 auto;padding:2rem;text-align:center}h1{font-size:3.2em;line-height:1.1;background:var(--gradient-main);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:.5em;font-weight:800;letter-spacing:-.02em}button{border-radius:12px;border:1px solid transparent;padding:.8em 1.6em;font-size:1em;font-weight:600;font-family:inherit;background-color:var(--bg-card);cursor:pointer;transition:all .25s;color:var(--text-main);border:1px solid var(--border)}button:hover{border-color:var(--primary);box-shadow:0 0 15px #646cff4d;transform:translateY(-2px)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}button.primary{background:var(--gradient-main);border:none;color:#fff}button.primary:hover{box-shadow:0 0 25px #764ba280}.card{padding:2em;background:var(--bg-card);border:1px solid var(--border);border-radius:20px;box-shadow:0 20px 40px #0000004d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);margin-top:2rem;transition:transform .3s ease}.canvas-container{border:2px dashed var(--border);border-radius:12px;overflow:hidden;margin:20px auto;display:flex;justify-content:center;align-items:center;background:repeating-linear-gradient(45deg,#181b21,#181b21 10px,#1c1f26 10px 20px);position:relative}.upload-zone{padding:4rem;border:2px dashed var(--border);border-radius:12px;cursor:pointer;transition:all .3s ease}.upload-zone:hover{border-color:var(--primary);background:#646cff0d}.controls{display:flex;gap:1rem;justify-content:center;margin-top:1.5rem;flex-wrap:wrap}.template-selector{display:flex;gap:.5rem;justify-content:center;margin-bottom:2rem}.step-indicator{display:flex;justify-content:center;gap:1rem;margin-bottom:3rem;color:var(--text-muted);font-size:.9rem;text-transform:uppercase;letter-spacing:.1em}.step.active{color:var(--primary);font-weight:700}input[type=range]{width:200px;accent-color:var(--primary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .5s ease-out forwards}