@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:2rem 1rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}.content{max-width:900px;margin:0 auto}.header{text-align:center;margin-bottom:3rem;color:#fff}.icon-bounce{font-size:4rem;margin-bottom:1rem;animation:bounce 2s ease-in-out infinite}.title{font-size:clamp(2rem,5vw,3.5rem);font-weight:700;margin:0 0 1rem;text-shadow:2px 4px 8px rgba(0,0,0,.2)}.subtitle{font-size:clamp(1rem,3vw,1.25rem);opacity:.95;margin:0}.card{background:#fff;border-radius:24px;padding:clamp(1.5rem,4vw,2.5rem);box-shadow:0 20px 60px #0000004d;margin-bottom:2rem}.form-container{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column}.label{font-size:.9375rem;font-weight:600;color:#374151;margin-bottom:.5rem}.label-with-count{font-size:.9375rem;font-weight:600;color:#374151;margin-bottom:.5rem;display:flex;justify-content:space-between;align-items:center}.char-count{font-size:.875rem;color:#9ca3af;font-weight:400}.input{width:100%;padding:.875rem 1rem;font-size:1rem;border:2px solid #e5e7eb;border-radius:12px;transition:all .2s ease;outline:none;box-sizing:border-box}.input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.textarea{width:100%;padding:.875rem 1rem;font-size:1rem;border:2px solid #e5e7eb;border-radius:12px;transition:all .2s ease;outline:none;resize:vertical;min-height:120px;font-family:inherit;box-sizing:border-box}.textarea:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.select{width:100%;padding:.875rem 1rem;font-size:1rem;border:2px solid #e5e7eb;border-radius:12px;transition:all .2s ease;outline:none;background-color:#fff;cursor:pointer;box-sizing:border-box}.select:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.tone-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.875rem}.tone-button{padding:1rem;border:2px solid #e5e7eb;border-radius:12px;background:#fff;cursor:pointer;transition:all .2s ease;text-align:left}.tone-button:hover{border-color:#d1d5db;transform:translateY(-2px)}.tone-button-active{border-color:#667eea;background:#f0f4ff;transform:scale(1.05);box-shadow:0 4px 12px #667eea33}.tone-label{font-size:.9375rem;font-weight:600;color:#1f2937;margin-bottom:.25rem;display:block}.tone-desc{font-size:.75rem;color:#6b7280}.button-group{display:flex;gap:1rem;margin-top:1rem;flex-wrap:wrap}.button{padding:1rem 2rem;font-size:1rem;font-weight:600;border:none;border-radius:12px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:.5rem;flex:1 1 auto;min-width:150px}.button-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea66}.button-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea80}.button-secondary{background:#f3f4f6;color:#374151;flex:0 1 auto}.button-secondary:hover{background:#e5e7eb}.button-disabled{opacity:.6;cursor:not-allowed}.button-copy{background:#10b981;color:#fff;flex:0 1 auto;min-width:130px}.button-copy:hover:not(:disabled){background:#059669;transform:translateY(-2px)}.button-copied{background:#059669}.loading-text{display:flex;align-items:center;gap:.5rem}.spinner{display:inline-block;animation:spin 1s linear infinite}.error-box{background:#fef2f2;border:2px solid #fecaca;border-radius:16px;padding:1rem 1.25rem;display:flex;align-items:flex-start;gap:.875rem;margin-bottom:2rem}.error-icon{font-size:1.5rem}.error-text{color:#991b1b;flex:1}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;gap:1rem;flex-wrap:wrap}.result-title{font-size:1.75rem;font-weight:700;color:#1f2937;margin:0}.bio-container{background:#f9fafb;border:2px solid #e5e7eb;border-radius:12px;padding:1.5rem}.bio-text{font-size:1.0625rem;line-height:1.8;color:#374151;white-space:pre-wrap;margin:0}@media (max-width: 640px){.container{padding:1rem .5rem}.button-group{flex-direction:column}.button{width:100%}.result-header{flex-direction:column;align-items:stretch}.button-copy{width:100%}}