*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}#root{min-height:100vh}.app-page{min-height:100vh;background:linear-gradient(to bottom right,#60a5fa,#a78bfa,#c084fc);color:#111;padding:1.5rem}@media (min-width: 640px){.app-page{padding:2rem}}.app-container{max-width:1280px;margin-left:auto;margin-right:auto}.app-header{text-align:center;margin-bottom:2rem}.app-title{font-size:2rem;font-weight:700;color:#111;margin:0 0 .25rem}@media (min-width: 640px){.app-title{font-size:2.5rem}}.app-subtitle{color:#4b5563;margin:0;font-size:.95rem}.card{background:#fff;border-radius:.75rem;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;padding:1rem;margin-bottom:1.5rem}@media (min-width: 640px){.card{padding:1.5rem;margin-bottom:1.5rem}}.template-row{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}.btn-template{padding:.625rem 1.25rem;border-radius:.5rem;font-weight:500;font-size:.9375rem;border:1px solid #e5e7eb;background:#fff;color:#374151;cursor:pointer;transition:background .2s,color .2s,box-shadow .2s,transform .15s}.btn-template:hover{background:#f9fafb;transform:scale(1.02)}.btn-template.active{background:#2563eb;color:#fff;border-color:#2563eb;box-shadow:0 4px 6px -1px #2563eb4d}.main-grid{display:grid;gap:1.5rem;margin-bottom:1.5rem}@media (min-width: 768px){.main-grid{grid-template-columns:1fr 1fr}}.section-label{display:block;font-size:1rem;font-weight:600;color:#111;margin-bottom:.75rem}.editor-textarea{width:100%;height:384px;padding:1rem;border:2px solid #e5e7eb;border-radius:.5rem;font-family:ui-monospace,monospace;font-size:.875rem;resize:none;transition:border-color .2s,box-shadow .2s}.editor-textarea:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb33}.preview-box{border:2px solid #e5e7eb;border-radius:.5rem;padding:1rem;background:#fff;min-height:384px;max-height:384px;overflow:auto;color:#111}.preview-box h1,.preview-box h2,.preview-box h3{margin-top:0}.options-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;padding:.5rem 0;font-size:1rem;font-weight:600;color:#111;background:none;border:none;cursor:pointer;text-align:left}.options-grid{display:grid;gap:1rem;margin-top:1rem}@media (min-width: 640px){.options-grid{grid-template-columns:repeat(3,1fr)}}.field-label{display:block;font-size:.875rem;font-weight:500;color:#374151;margin-bottom:.5rem}.field-select{width:100%;padding:.5rem .75rem;border:2px solid #e5e7eb;border-radius:.5rem;font-size:.9375rem;background:#fff;color:#111}.field-select:focus{outline:none;border-color:#2563eb}.btn-generate{width:100%;padding:1rem 1.5rem;border-radius:.75rem;font-size:1.125rem;font-weight:600;color:#fff;background:#2563eb;border:none;cursor:pointer;box-shadow:0 10px 15px -3px #2563eb4d;transition:background .2s,box-shadow .2s,transform .15s;display:flex;align-items:center;justify-content:center;gap:.5rem}.btn-generate:hover:not(:disabled){background:#1d4ed8;box-shadow:0 20px 25px -5px #2563eb40;transform:scale(1.01)}.btn-generate:disabled{opacity:.6;cursor:not-allowed;transform:none}.spinner{width:1.25rem;height:1.25rem;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}