:root{--bg-color: #f0f2f5;--card-bg: #ffffff;--primary-color: #007bff;--text-main: #333;--text-secondary: #666;--accent-color: #28a745;--error-color: #dc3545;--font-family: "Inter", system-ui, -apple-system, sans-serif}body{margin:0;font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main)}.app-container{max-width:1200px;margin:0 auto}.app-header{display:flex;flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:30px}@media(min-width:768px){.app-header{flex-direction:row;align-items:center;justify-content:space-between}}.connection-status{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.status-indicator{padding:8px 16px;border-radius:20px;font-weight:700;font-size:.9em}.status-indicator.disconnected{background-color:#ffe6e6;color:var(--error-color)}.status-indicator.connected{background-color:#e6ffe6;color:var(--accent-color)}.btn-primary{background-color:var(--primary-color);color:#fff;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-size:1em;font-weight:500;transition:background-color .2s}.btn-primary:hover{background-color:#0056b3}.dashboard-grid{display:grid;gap:1rem;padding:1rem;grid-template-columns:1fr 1fr}.metric-card{grid-column:span 1}.control-card,.logs-card{grid-column:span 2}@media(min-width:600px){.dashboard-grid{grid-template-columns:repeat(3,1fr)}.metric-card{grid-column:span 1}.control-card,.logs-card{grid-column:1 / -1}}.card{background:#fff;border-radius:12px;padding:.75rem 1.5rem;box-shadow:0 4px 6px -1px #0000001a;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.card-header{display:flex;align-items:center;gap:10px;margin-bottom:15px;color:var(--text-secondary)}.card-header h2{margin:0;font-size:1.1em;font-weight:500}.metric-value{font-size:2.5em;font-weight:700;color:var(--text-main)}.unit{font-size:.4em;color:var(--text-secondary);font-weight:400}.text-red{color:#e25555}.control-card{grid-column:1 / -1}.resistance-control{display:flex;flex-direction:column;align-items:center;gap:20px}.resistance-display{font-size:1.5em;font-weight:700}.resistance-buttons{display:flex;align-items:center;gap:20px;width:100%;max-width:500px}.btn-control{width:50px;height:50px;border-radius:25px;border:2px solid var(--primary-color);background:transparent;color:var(--primary-color);font-size:1.5em;cursor:pointer;display:flex;align-items:center;justify-content:center}.btn-control:disabled{border-color:#ccc;color:#ccc;cursor:not-allowed}.resistance-slider{flex:1;height:8px;-webkit-appearance:none;background:#e0e0e0;border-radius:4px;outline:none}.resistance-slider::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;background:var(--primary-color);cursor:pointer;box-shadow:0 2px 4px #0003}.logs-card{grid-column:1 / -1;max-height:200px}.logs-container{overflow-y:auto;font-family:monospace;font-size:.9em;color:#555;background:#f8f9fa;padding:10px;border-radius:8px;height:100%}.log-entry{margin-bottom:5px;border-bottom:1px solid #eee;padding-bottom:2px}.btn-toggle{background-color:#fff;border:2px solid #007bff;color:#007bff;padding:10px 20px;border-radius:8px;cursor:pointer;font-weight:700;display:flex;align-items:center;gap:8px;transition:all .2s}.btn-toggle:hover{background-color:#f0f8ff}.btn-toggle.active{background-color:#007bff;color:#fff}.btn-toggle:disabled{border-color:#ccc;color:#ccc;cursor:not-allowed;background-color:#f9f9f9}.auto-ramp-status{font-weight:700;color:#28a745;padding:10px;background:#e6ffe6;border-radius:8px;width:100%;text-align:center;margin-top:10px}