body{color:#1f2937;background:#f3f4f6;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}.container{flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:40px 20px;display:flex}.card{background:#fff;border-radius:16px;width:100%;max-width:600px;padding:32px;box-shadow:0 4px 6px -1px #0000001a}h1{color:#111827;margin-bottom:8px;font-size:24px}h2{color:#1f2937;margin-bottom:16px;font-size:20px}p{color:#6b7280;line-height:1.6}input,textarea,select{border:1px solid #d1d5db;border-radius:8px;outline:none;width:100%;padding:10px 14px;font-size:15px;transition:border-color .15s}input:focus,textarea:focus,select:focus{border-color:#0070f3}textarea{resize:vertical;min-height:100px}label{color:#374151;margin-bottom:6px;font-size:14px;font-weight:600;display:block}.form-group{margin-bottom:20px}.btn{cursor:pointer;border:none;border-radius:8px;padding:10px 24px;font-size:15px;font-weight:600;transition:background .15s;display:inline-block}.btn-primary{color:#fff;background:#0070f3}.btn-primary:hover{background:#005cc5}.btn-primary:disabled{cursor:not-allowed;background:#93c5fd}.btn-secondary{color:#374151;background:#e5e7eb}.btn-secondary:hover{background:#d1d5db}.btn-block{width:100%}.chat-container{background:#fff;border:1px solid #e5e7eb;border-radius:12px;max-height:500px;margin-bottom:16px;padding:16px;overflow-y:auto}.input-row{gap:8px;display:flex}.input-row input{flex:1}.turn-counter{text-align:center;color:#9ca3af;margin-bottom:12px;font-size:13px}select{appearance:auto}.app-logo{text-align:center;padding:20px 0 0}.app-logo img{width:auto;height:56px}