:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--primary-bg: #eef2ff;--success: #22c55e;--success-bg: #dcfce7;--error: #ef4444;--error-bg: #fef2f2;--warning: #f59e0b;--bg: #f8fafc;--surface: #ffffff;--surface-hover: #f1f5f9;--border: #e2e8f0;--border-dark: #cbd5e1;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}button{cursor:pointer;font-family:inherit}input,textarea{font-family:inherit}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.prototype-banner{background:#f59e0b;color:#000;text-align:center;padding:.5rem 1rem;font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.app:after{content:"PROTOTYPE";position:fixed;bottom:30px;right:-45px;background:#f59e0b;color:#000;padding:.35rem 3.5rem;font-size:.7rem;font-weight:800;letter-spacing:.15em;transform:rotate(-45deg);z-index:9999;box-shadow:0 2px 6px #0003;pointer-events:none}.app{min-height:100vh;display:flex;flex-direction:column;position:relative;overflow:hidden}.app-main{flex:1;display:flex;justify-content:center;padding:2rem 1rem}.header{background:var(--surface);border-bottom:1px solid var(--border);padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm)}.header-brand{display:flex;align-items:center;gap:.5rem}.header-brand h1{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--primary-dark));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-brand .genie-icon{font-size:1.5rem}.header-steps{display:flex;gap:.5rem;align-items:center}.step-indicator{display:flex;align-items:center;gap:.35rem;font-size:.85rem;color:var(--text-muted);padding:.35rem .75rem;border-radius:var(--radius-full);background:var(--surface-hover);transition:all .2s ease}.step-indicator.active{background:var(--primary-bg);color:var(--primary);font-weight:600}.step-indicator.completed{background:var(--success-bg);color:var(--success)}.step-divider{width:20px;height:2px;background:var(--border);border-radius:1px}.language-screen{max-width:480px;width:100%;display:flex;flex-direction:column;align-items:center;gap:2rem;padding-top:4rem}.language-hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:.5rem}.language-genie{font-size:3.5rem;margin-bottom:.5rem}.language-hero h2{font-size:1.75rem;font-weight:700;color:var(--text-primary)}.language-hero p{color:var(--text-secondary);font-size:1.1rem}.language-prompt{color:var(--text-secondary);font-size:1rem;font-weight:500}.language-options{display:flex;gap:1.25rem;width:100%}.language-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:.75rem;padding:2rem 1.5rem;background:var(--surface);border:2px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-sm)}.language-btn:hover{border-color:var(--primary);background:var(--primary-bg);transform:translateY(-2px);box-shadow:var(--shadow-md)}.language-flag{font-size:2.5rem}.language-name{font-size:1.1rem;font-weight:600;color:var(--text-primary)}.upload-screen{max-width:600px;width:100%;display:flex;flex-direction:column;align-items:center;gap:1.5rem;padding-top:2rem}.upload-hero{text-align:center}.upload-hero h2{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem}.upload-hero p{color:var(--text-secondary);font-size:1rem;line-height:1.6}.upload-dropzone{width:100%;border:2px dashed var(--border-dark);border-radius:var(--radius-lg);padding:3rem 2rem;display:flex;flex-direction:column;align-items:center;gap:1rem;background:var(--surface);cursor:pointer;transition:all .2s ease}.upload-dropzone:hover,.upload-dropzone.drag-over{border-color:var(--primary);background:var(--primary-bg)}.upload-dropzone .icon{color:var(--primary)}.upload-dropzone p{color:var(--text-secondary);font-size:.95rem}.upload-dropzone .browse-link{color:var(--primary);font-weight:600;cursor:pointer}.upload-dropzone .browse-link:hover{text-decoration:underline}.upload-file-info{display:flex;align-items:center;gap:.75rem;background:var(--primary-bg);padding:.75rem 1.25rem;border-radius:var(--radius-md);width:100%}.upload-file-info .file-name{flex:1;font-weight:500;color:var(--text-primary)}.upload-file-info .file-size{color:var(--text-muted);font-size:.85rem}.upload-file-info .remove-btn{background:none;border:none;color:var(--text-muted);padding:.25rem;border-radius:var(--radius-sm);display:flex;align-items:center}.upload-file-info .remove-btn:hover{color:var(--error);background:var(--error-bg)}.upload-btn{width:100%;padding:.875rem;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:.5rem}.upload-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md)}.upload-btn:disabled{opacity:.6;cursor:not-allowed}.upload-error{width:100%;background:var(--error-bg);color:var(--error);padding:1rem;border-radius:var(--radius-md);font-size:.9rem;display:flex;align-items:center;gap:.5rem}.upload-loading{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:2rem 0}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.upload-loading p{color:var(--text-secondary);font-size:.95rem}.chat-screen{max-width:800px;width:100%;display:flex;flex-direction:column;height:calc(100vh - 120px)}.chat-progress{background:var(--surface);border-radius:var(--radius-md);padding:1rem 1.25rem;margin-bottom:1rem;box-shadow:var(--shadow-sm);border:1px solid var(--border)}.chat-progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.chat-progress-header span{font-size:.85rem;color:var(--text-secondary);font-weight:500}.chat-progress-header .percent{color:var(--primary);font-weight:700}.progress-bar{height:6px;background:var(--border);border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));border-radius:var(--radius-full);transition:width .5s ease}.chat-messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:.75rem;padding:1rem 0;scrollbar-width:thin}.chat-message{display:flex;gap:.75rem;max-width:85%}.chat-message.assistant{align-self:flex-start}.chat-message.user{align-self:flex-end;flex-direction:row-reverse}.chat-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}.chat-message.assistant .chat-avatar{background:var(--primary-bg);color:var(--primary)}.chat-message.user .chat-avatar{background:var(--surface-hover);color:var(--text-secondary)}.chat-bubble{padding:.75rem 1rem;border-radius:var(--radius-md);font-size:.95rem;line-height:1.5;word-break:break-word}.chat-message.assistant .chat-bubble{background:var(--surface);border:1px solid var(--border);color:var(--text-primary);box-shadow:var(--shadow-sm)}.chat-message.user .chat-bubble{background:var(--primary);color:#fff}.chat-typing{display:flex;gap:4px;padding:.5rem 0}.chat-typing span{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:typing 1.4s ease-in-out infinite}.chat-typing span:nth-child(2){animation-delay:.2s}.chat-typing span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}.chat-input-area{display:flex;gap:.75rem;padding:1rem 0;border-top:1px solid var(--border)}.chat-input{flex:1;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius-md);font-size:.95rem;background:var(--surface);color:var(--text-primary);outline:none;transition:border-color .2s ease}.chat-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.chat-input:disabled{background:var(--surface-hover);cursor:not-allowed}.chat-send-btn{padding:.75rem 1.25rem;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:.95rem;font-weight:600;display:flex;align-items:center;gap:.35rem;transition:all .2s ease}.chat-send-btn:hover:not(:disabled){background:var(--primary-dark)}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed}.generate-btn{width:100%;padding:.875rem;background:linear-gradient(135deg,var(--success),#16a34a);color:#fff;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:all .2s ease;margin-top:.5rem}.generate-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md)}.generate-btn:disabled{opacity:.6;cursor:not-allowed}.download-screen{max-width:500px;width:100%;display:flex;flex-direction:column;align-items:center;gap:1.5rem;padding-top:4rem;text-align:center}.download-icon{width:80px;height:80px;border-radius:50%;background:var(--success-bg);display:flex;align-items:center;justify-content:center;color:var(--success)}.download-screen h2{font-size:1.5rem;font-weight:700;color:var(--text-primary)}.download-screen p{color:var(--text-secondary);line-height:1.6}.download-btn{width:100%;padding:1rem;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;border-radius:var(--radius-md);font-size:1.1rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:all .2s ease;text-decoration:none}.download-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg);text-decoration:none;color:#fff}.start-over-btn{width:100%;padding:.875rem;background:var(--surface);color:var(--text-secondary);border:1px solid var(--border);border-radius:var(--radius-md);font-size:1rem;font-weight:500;transition:all .2s ease}.start-over-btn:hover{background:var(--surface-hover);color:var(--text-primary);border-color:var(--border-dark)}@media(max-width:640px){.header{padding:.75rem 1rem}.header-brand h1{font-size:1.25rem}.step-indicator{font-size:.75rem;padding:.25rem .5rem}.step-divider{width:12px}.upload-screen{padding-top:1rem}.upload-dropzone{padding:2rem 1.5rem}.chat-screen{height:calc(100vh - 100px)}.chat-message{max-width:92%}}