:root{font-family:Arial,Helvetica,sans-serif}*{box-sizing:border-box}body{margin:0;background:#f5f6f8;color:#111}#app{min-height:100vh}.container{max-width:720px;margin:40px auto;padding:24px;background:#fff;border:1px solid #dcdfe5;border-radius:8px}h1{margin-top:0;margin-bottom:20px}.app-logo{display:block;max-width:100%;height:auto}.serial-panel{margin-bottom:18px;padding:12px;border:1px solid #dcdfe5;border-radius:8px;background:#fafbfd}.serial-row{display:grid;grid-template-columns:110px 1fr;gap:12px;align-items:center;margin-bottom:10px}.serial-label{font-weight:600}.serial-select{width:100%;padding:8px;border:1px solid #c5cad3;border-radius:6px;background:#fff}.serial-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:8px}.connection-status{margin:0;font-weight:700}.connection-status.connected{color:#1d6f3f}.connection-status.disconnected{color:#8f1d1d}.connection-note{margin:2px 0 0;font-weight:400}.connection-error{margin:6px 0 0;color:#8f1d1d;font-size:.95rem}.connection-test-message{margin:6px 0 0;font-size:.95rem;font-weight:600}.connection-test-message.success{color:#1d6f3f}.connection-test-message.failure{color:#8f1d1d}.servo-section{margin-bottom:16px;padding:12px;border:1px solid #dcdfe5;border-radius:8px;background:#fafbfd}.controls-disabled{opacity:.55}.servo-title{margin:0 0 10px;font-size:1rem}.control-row{display:grid;grid-template-columns:110px 1fr 66px;gap:12px;align-items:center;margin-bottom:12px}.control-label{font-weight:600;font-size:.75rem}.control-slider,.control-input{width:100%}.print-button{margin-top:10px;padding:10px 14px;border:1px solid #c5cad3;border-radius:6px;background:#eef1f7;cursor:pointer}.print-button:hover{background:#e3e8f2}.command-snackbar{position:fixed;left:50%;bottom:24px;transform:translate(-50%);padding:10px 14px;border:none;border-radius:6px;background:#b6f2c3cc;color:#111;font-weight:600;z-index:1000}.bottom-logos{width:25%;margin:18px auto 0;display:flex;justify-content:center;align-items:center;gap:8px}.bottom-logo{width:calc((100% - 8px)/2);height:auto;display:block}.bottom-logo-text{width:calc((100% - 8px)*.8)}