@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-color:#0f172a;--bg-gradient:radial-gradient(circle at top right, #1e293b, #0f172a);--card-bg:#1e293bb3;--card-border:#ffffff1a;--text-main:#f8fafc;--text-muted:#94a3b8;--primary:#3b82f6;--primary-hover:#2563eb;--success:#10b981;--danger:#ef4444;--font-family:"Inter", sans-serif;--radius:16px;--transition:all .2s ease-in-out}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--bg-gradient);background-color:var(--bg-color);color:var(--text-main);min-height:100vh;line-height:1.5}h1{letter-spacing:-.025em;background:linear-gradient(90deg,#60a5fa,#a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2.5rem;font-weight:700}h2{color:var(--text-main);margin-bottom:1rem;font-size:1.5rem;font-weight:600}p{color:var(--text-muted)}.container{max-width:1200px;margin:0 auto;padding:2rem}.glass-card{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--card-border);border-radius:var(--radius);margin-bottom:1.5rem;padding:2rem;box-shadow:0 10px 30px #0000004d}label{color:var(--text-muted);margin-bottom:.5rem;font-size:.875rem;font-weight:500;display:block}input[type=text],input[type=number],select{border:1px solid var(--card-border);width:100%;color:var(--text-main);font-family:var(--font-family);transition:var(--transition);background:#0f172a99;border-radius:8px;margin-bottom:1rem;padding:.75rem 1rem}input[type=text]:focus,input[type=number]:focus,select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #3b82f633}input[type=range]{width:100%;accent-color:var(--primary);margin-bottom:1rem}input[type=file]{display:none}.file-upload-label{border:2px dashed var(--card-border);cursor:pointer;transition:var(--transition);background:#ffffff05;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;margin-bottom:1rem;padding:2rem;display:flex}.file-upload-label:hover{border-color:var(--primary);background:#3b82f60d}.file-upload-label svg{color:var(--primary);margin-bottom:.5rem}.btn{background:var(--card-border);color:var(--text-main);border:1px solid var(--card-border);cursor:pointer;transition:var(--transition);font-weight:500;font-family:var(--font-family);border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;display:inline-flex}.btn:hover{background:#ffffff1a}.btn-primary{background:var(--primary);border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn-success{background:var(--success);border-color:var(--success)}.btn-danger{background:var(--danger);border-color:var(--danger)}.btn:disabled{opacity:.5;cursor:not-allowed}.grid-2{grid-template-columns:1fr;gap:1.5rem;display:grid}@media (width>=768px){.grid-2{grid-template-columns:1fr 1fr}}.mode-switcher{border:1px solid var(--card-border);background:#0003;border-radius:12px;gap:1rem;margin-bottom:2rem;padding:.5rem;display:flex}.mode-btn{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:8px;flex:1;padding:1rem;font-weight:600}.mode-btn.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px #3b82f64d}.preview-container{border:1px solid var(--card-border);background:#000;border-radius:8px;justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.preview-container canvas{max-width:100%;height:auto;display:block}.alert-info{border-left:4px solid var(--primary);background:#3b82f61a;border-radius:4px;margin-bottom:1rem;padding:1rem}.alert-info p{color:#bfdbfe}