.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,#075e54,#128c7e);color:#fff;padding:2rem;text-align:center;box-shadow:0 2px 8px #0000001a}.app-header h1{font-size:2.5rem;margin-bottom:.5rem}.app-header .subtitle{font-size:1.1rem;opacity:.9}.app-main{flex:1;max-width:800px;margin:2rem auto;padding:0 1rem;width:100%}.card{background:#fff;border-radius:12px;padding:2rem;margin-bottom:1.5rem;box-shadow:0 2px 8px #00000014}.card h2{color:#075e54;margin-bottom:1rem;font-size:1.5rem}.card h3{color:#128c7e;margin-bottom:1rem;font-size:1.2rem}.status-info{margin-bottom:1.5rem}.status-info p{margin:.5rem 0;font-size:1.1rem}.btn-primary{background:#128c7e;color:#fff;border:none;padding:.8rem 2rem;font-size:1.1rem;border-radius:8px;cursor:pointer;transition:all .3s ease;width:100%;margin-top:1rem}.btn-primary:hover:not(:disabled){background:#075e54;transform:translateY(-2px);box-shadow:0 4px 12px #075e544d}.btn-primary:disabled{background:#ccc;cursor:not-allowed}.message-card{background:#e3f2fd;border-left:4px solid #2196f3}.message-card p{color:#1976d2;font-size:1.1rem}.qr-card{text-align:center}.qr-image{max-width:300px;width:100%;height:auto;margin:1rem 0;border:2px solid #e0e0e0;border-radius:8px}.qr-instructions{color:#666;font-size:.95rem;margin-top:1rem;line-height:1.6}.chat-list{margin:1rem 0;max-height:300px;overflow-y:auto}.chat-item{padding:1rem;margin:.5rem 0;background:#f8f9fa;border-radius:8px;cursor:pointer;transition:all .2s;border:2px solid transparent}.chat-item:hover{background:#e9ecef;border-color:#128c7e}.chat-item.selected{background:#128c7e;color:#fff;border-color:#075e54}.chat-name{font-weight:500}.export-section{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid #e0e0e0}.export-progress{margin-top:1rem}.progress-bar{width:100%;height:30px;background:#e0e0e0;border-radius:15px;overflow:hidden;margin-bottom:.5rem}.progress-fill{height:100%;background:linear-gradient(90deg,#128c7e,#25d366);transition:width .3s ease;display:flex;align-items:center;justify-content:center}.progress-text{text-align:center;font-weight:700;font-size:1.2rem;color:#128c7e}.progress-message{text-align:center;color:#666;margin-top:.5rem}.exports-list{margin-top:1rem}.export-item{padding:1rem;margin:1rem 0;background:#f8f9fa;border-radius:8px;border-left:4px solid #128c7e}.export-item h3{margin:0 0 .5rem;color:#075e54}.export-files{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}.btn-download{background:#25d366;color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.9rem;transition:all .2s}.btn-download:hover{background:#20ba5a;transform:translateY(-2px)}.btn-secondary{background:#dc3545;color:#fff;border:none;padding:.8rem 2rem;font-size:1.1rem;border-radius:8px;cursor:pointer;transition:all .3s ease;width:100%;margin-top:1rem}.btn-secondary:hover{background:#c82333;transform:translateY(-2px);box-shadow:0 4px 12px #dc35454d}.debug-card{background:#1e1e1e;color:#d4d4d4;font-family:Courier New,monospace}.debug-card h2{color:#4ec9b0;margin-bottom:1rem}.debug-log{max-height:300px;overflow-y:auto;background:#252526;padding:1rem;border-radius:4px;font-size:.85rem}.debug-line{padding:.25rem 0;border-bottom:1px solid #333;word-wrap:break-word}.debug-line:last-child{border-bottom:none}.placeholder-text{color:#999;font-style:italic}.app-footer{background:#f5f5f5;padding:1.5rem;text-align:center;color:#666;border-top:1px solid #e0e0e0}@media (max-width: 768px){.app-header h1{font-size:2rem}.card{padding:1.5rem}.app-main{margin:1rem auto}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f0f2f5}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{min-height:100vh}