:root{color-scheme:dark;--bg: #0f172a;--surface: #1e293b;--surface-2: #334155;--text: #f8fafc;--muted: #94a3b8;--primary: #38bdf8;--primary-dark: #0284c7;--danger: #f87171;--danger-dark: #dc2626;--success: #4ade80;--warning: #fbbf24;--border: #475569;--shadow: 0 10px 30px rgba(15, 23, 42, .35);--radius: 14px;font-family:Inter,Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(180deg,#0b1220 0%,var(--bg) 100%);color:var(--text)}button,input{font:inherit}#app{max-width:720px;margin:0 auto;padding:20px 16px 40px}.app-header{margin-bottom:20px}.app-header h1{margin:0 0 6px;font-size:1.5rem}.app-header p{margin:0;color:var(--muted);font-size:.95rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px;box-shadow:var(--shadow)}.card h2{margin:0 0 14px;font-size:1.1rem}.status-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;font-size:.9rem;font-weight:600}.status-pill:before{content:"";width:10px;height:10px;border-radius:50%;background:currentColor}.status-disconnected{background:#f8717126;color:var(--danger)}.status-connecting{background:#fbbf2426;color:var(--warning)}.status-connected{background:#4ade8026;color:var(--success)}.form-grid{display:grid;gap:12px}.form-grid label{display:grid;gap:6px;font-size:.9rem;color:var(--muted)}.field-hint{font-size:.8rem;color:var(--muted);line-height:1.4}.field-hint strong{color:var(--primary)}.form-grid input[type=text],.form-grid input[type=password],.form-grid input[type=number]{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);color:var(--text)}.checkbox-row{display:flex;align-items:center;gap:10px;color:var(--text)}.actions-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.btn{border:none;border-radius:10px;padding:12px 16px;cursor:pointer;font-weight:600;transition:transform .15s ease,opacity .15s ease}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--primary);color:#082f49}.btn-secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn-danger{background:var(--danger);color:#450a0a}.device-status{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;padding:12px 14px;border-radius:12px;background:var(--surface-2)}.device-status strong{font-size:1.2rem}.device-status span{color:var(--muted);font-size:.85rem}.command-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}.log-list{list-style:none;margin:0;padding:0;display:grid;gap:8px;max-height:220px;overflow-y:auto}.log-list li{padding:10px 12px;border-radius:10px;background:var(--surface-2);font-size:.85rem;color:var(--muted)}.log-list strong{color:var(--text)}.empty-log{color:var(--muted);font-size:.9rem}@media(max-width:480px){#app{padding:16px 12px 32px}.app-header h1{font-size:1.3rem}}