:root{--primary: #1A1A36;--primary-dark: #0E0E1C;--midnight-blue:#2868A8;--danger: #d32f2f;--success: #388e3c;--warning: #f57c00;--bg: #f5f5f5;--card-bg: #ffffff;--text: #212121;--text-secondary: #757575;--border: #e0e0e0}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}#app{max-width:900px;margin:0 auto;padding:20px}header{text-align:center;margin-bottom:30px;padding:20px;background:var(--primary);color:#fff;border-radius:8px}header h1{font-size:1.8rem;margin-bottom:5px}header .subtitle{opacity:.9;font-size:.95rem}.card{background:var(--card-bg);border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 4px #0000001a}.card h2{font-size:1.2rem;margin-bottom:15px;color:var(--text);border-bottom:2px solid var(--primary);padding-bottom:8px}.card h3{font-size:1rem;margin-bottom:10px;color:var(--text-secondary)}.hidden{display:none!important}.instructions{margin:0 0 20px 20px;color:var(--text-secondary);font-size:.9rem}.instructions li{margin-bottom:8px;padding-left:5px}.instructions strong{color:var(--text)}.instructions .btn{display:inline-block;text-decoration:none}.instructions input[type=file]{display:inline-block;width:auto;margin:0;padding:5px;border:1px solid var(--border);border-radius:4px}.file-hint{color:var(--text-secondary);font-size:.85rem;margin-left:8px}.btn{padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-size:.95rem;font-weight:500;transition:all .2s;margin:5px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover:not(:disabled){background:var(--primary-dark)}.btn.secondary{background:#e0e0e0;color:var(--text)}.btn.secondary:hover:not(:disabled){background:#bdbdbd}.btn.danger{background:var(--danger);color:#fff}.btn.danger:hover:not(:disabled){background:#c62828}.button-group{display:flex;gap:10px;flex-wrap:wrap}.status{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:4px;margin-bottom:15px;font-weight:500}.status .indicator{width:12px;height:12px;border-radius:50%}.status.disconnected{background:#ffebee;color:var(--danger)}.status.disconnected .indicator{background:var(--danger)}.status.connected{background:#e8f5e9;color:var(--success)}.status.connected .indicator{background:var(--success)}.status.connecting{background:#fff3e0;color:var(--warning)}.status.connecting .indicator{background:var(--warning);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:15px}.info-item{display:flex;flex-direction:column;padding:10px;background:var(--bg);border-radius:4px}.info-item label{font-size:.8rem;color:var(--text-secondary);margin-bottom:4px}.info-item span{font-weight:500}.actions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.action-group{padding:15px;background:var(--bg);border-radius:4px}.action-group input[type=file]{width:100%;margin-bottom:10px;padding:8px;border:1px dashed var(--border);border-radius:4px}.progress{margin-top:10px;background:var(--border);border-radius:4px;overflow:hidden;position:relative;height:24px}.progress-bar{height:100%;background:var(--primary);transition:width .3s;width:0%}.progress-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:.8rem;font-weight:500}.shell-container{display:flex;gap:10px;margin-bottom:15px}.shell-container input{flex:1;padding:10px;border:1px solid var(--border);border-radius:4px;font-family:monospace}#shell-output{background:#263238;color:#aed581;padding:15px;border-radius:4px;font-family:monospace;font-size:.85rem;max-height:300px;overflow-y:auto;white-space:pre-wrap;word-break:break-all}#log-container{max-height:200px;overflow-y:auto;font-family:monospace;font-size:.8rem;background:var(--bg);padding:10px;border-radius:4px;margin-bottom:10px}.log-entry{padding:4px 0;border-bottom:1px solid var(--border)}.log-entry.info{color:var(--text)}.log-entry.success{color:var(--success)}.log-entry.error{color:var(--danger)}.log-entry.warning{color:var(--warning)}.log-time{color:var(--text-secondary);margin-right:8px}footer{text-align:center;padding:20px;color:var(--text-secondary);font-size:.85rem}footer a{color:var(--primary)}.notification{position:fixed;top:20px;left:50%;transform:translate(-50%);z-index:1000;max-width:90%;width:500px}.notification-content{display:flex;align-items:flex-start;gap:15px;padding:16px 20px;border-radius:8px;box-shadow:0 4px 20px #00000040;animation:slideDown .3s ease}.notification.error .notification-content{background:#ffebee;border-left:4px solid var(--danger);color:var(--danger)}.notification.success .notification-content{background:#e8f5e9;border-left:4px solid var(--success);color:var(--success)}.notification.warning .notification-content{background:#fff3e0;border-left:4px solid var(--warning);color:var(--warning)}.notification.info .notification-content{background:#e3f2fd;border-left:4px solid var(--primary);color:var(--primary)}#notification-message{flex:1;font-weight:500;line-height:1.4}.notification-close{background:none;border:none;font-size:1.5rem;cursor:pointer;opacity:.6;line-height:1;padding:0}.notification-close:hover{opacity:1}@keyframes slideDown{0%{opacity:0;transform:translate(-50%) translateY(-20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.btn-info{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;border:2px solid var(--primary);background:transparent;color:var(--primary);font-size:.75rem;font-weight:700;font-style:italic;font-family:Georgia,serif;cursor:pointer;margin-left:8px;transition:all .2s;vertical-align:middle}.btn-info:hover{background:var(--primary);color:#fff}.modal{position:fixed;top:0;left:0;width:100%;height:100%;z-index:2000;display:flex;align-items:center;justify-content:center}.modal.hidden{display:none!important}.modal-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#00000080}.modal-content{position:relative;background:#fff;border-radius:12px;max-width:600px;width:90%;max-height:85vh;overflow-y:auto;box-shadow:0 10px 40px #0000004d;animation:modalIn .3s ease}@keyframes modalIn{0%{opacity:0;transform:scale(.95) translateY(-20px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border);background:var(--primary);color:#fff;border-radius:12px 12px 0 0}.modal-header h3{margin:0;font-size:1.2rem}.modal-close{background:none;border:none;color:#fff;font-size:1.8rem;cursor:pointer;opacity:.8;line-height:1;padding:0}.modal-close:hover{opacity:1}.modal-body{padding:24px}.modal-intro{font-size:1rem;color:var(--text);margin-bottom:20px}.help-section{margin-bottom:24px;padding:16px;background:var(--bg);border-radius:8px;border-left:4px solid var(--primary)}.help-section h4{color:var(--primary);margin-bottom:12px;font-size:1rem}.help-section ol{margin:0;padding-left:20px}.help-section ol li{margin-bottom:8px;color:var(--text);line-height:1.5}.help-section ol li strong{color:var(--primary-dark)}.help-section ol li em{color:var(--success);font-style:normal}.help-section.help-note{border-left-color:var(--warning);background:#fff8e1}.help-section.help-note h4{color:var(--warning)}.help-section.help-note p{margin:0 0 8px;color:var(--text)}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);text-align:right}