:root{--bg: #f5f6f8;--surface: #ffffff;--surface-2: #f0f1f4;--border: #e2e4ea;--text: #1a1d23;--muted: #6b7280;--primary: #2563eb;--primary-press: #1d4ed8;--ok: #16a34a;--error: #dc2626;--radius: 14px;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;color-scheme:light dark}@media (prefers-color-scheme: dark){:root{--bg: #0f1115;--surface: #181b21;--surface-2: #20242c;--border: #2a2f38;--text: #e9ebef;--muted: #98a1b3;--primary: #3b82f6;--primary-press: #2563eb;--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 28px rgba(0, 0, 0, .35)}}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}#app{max-width:960px;height:100dvh;margin:0 auto;padding:clamp(10px,2vw,18px);padding-bottom:max(env(safe-area-inset-bottom),16px);display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:clamp(10px,2vw,16px)}.brand{display:flex;align-items:center;gap:9px}.logo{font-size:21px}.topbar h1{font-size:17px;font-weight:650;margin:0;letter-spacing:-.01em}.status{position:relative}.status-chip{display:flex;align-items:center;gap:7px;font:inherit;font-size:13px;color:var(--muted);background:var(--surface);border:1px solid var(--border);padding:5px 11px;border-radius:999px;box-shadow:var(--shadow);cursor:pointer}.status-chip:hover{border-color:color-mix(in srgb,var(--text) 18%,var(--border))}.popover{position:absolute;top:calc(100% + 8px);right:0;z-index:20;width:min(260px,78vw);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .14s ease,transform .14s ease,visibility .14s}.popover:before{content:"";position:absolute;inset:-8px 0 auto 0;height:8px}.status.open .popover{opacity:1;visibility:visible;transform:none}@media (hover: hover) and (pointer: fine){.status:hover .popover{opacity:1;visibility:visible;transform:none}}.popover-actions{display:flex;gap:8px}.popover-actions .btn{flex:1;padding:8px 12px}.dot{width:9px;height:9px;border-radius:50%;background:var(--muted);flex:none}.dot[data-state=connected]{background:var(--ok);box-shadow:0 0 0 4px color-mix(in srgb,var(--ok) 22%,transparent)}.dot[data-state=disconnected]{background:#f59e0b}.dot[data-state=unsupported]{background:var(--error)}.layout{flex:1;display:flex;flex-direction:column;min-height:0}.editor-card{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(10px,1.5vw,14px)}.card h2{margin:0 0 10px;font-size:12px;font-weight:650;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.device-info{margin:0 0 10px;display:grid;gap:7px}.device-info>div{display:flex;justify-content:space-between;gap:12px;font-size:13px}.device-info dt{color:var(--muted)}.device-info dd{margin:0;font-weight:550;text-align:right;word-break:break-word}.hint{font-size:12px;line-height:1.45;color:var(--muted);margin:0 0 10px}.hint:empty{display:none}.toolbar{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}.group{display:flex;gap:2px;background:var(--surface-2);border:1px solid var(--border);border-radius:9px;padding:2px}.tbtn{min-width:32px;height:28px;border:none;background:transparent;color:var(--text);border-radius:7px;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .12s ease}.tbtn:hover{background:color-mix(in srgb,var(--text) 8%,transparent)}.tbtn.active{background:var(--primary);color:#fff}.tbtn-text{width:auto;font-size:.85rem}.group-end{margin-left:auto}.editor{flex:1;min-height:0;overflow-y:auto;border:1px solid var(--border);border-radius:10px;padding:12px;background:var(--surface-2);font:15px/1.6 SFMono-Regular,ui-monospace,Cascadia Code,Consolas,monospace;outline:none;overflow-wrap:anywhere;word-break:break-all;transition:border-color .15s ease,box-shadow .15s ease}.editor:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 22%,transparent)}.controls{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 18px;margin:10px 0 0}.options{display:flex;flex-wrap:wrap;align-items:center;gap:30px}.check{display:flex;align-items:center;gap:7px;font-size:13px;cursor:pointer}.check input{width:16px;height:16px;accent-color:var(--primary)}.feedlines{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted)}.stepper{display:flex;align-items:stretch;border:1px solid var(--border);border-radius:8px;background:var(--surface-2);overflow:hidden}.step{width:24px;border:none;background:transparent;color:var(--text);font-size:16px;line-height:1;cursor:pointer}.step:hover{background:color-mix(in srgb,var(--text) 8%,transparent)}.stepper input{width:28px;padding:5px 0;border:none;border-left:1px solid var(--border);border-right:1px solid var(--border);background:transparent;color:var(--text);font-size:13px;text-align:center;-moz-appearance:textfield;-webkit-appearance:textfield;appearance:textfield}.stepper input:focus{outline:none}.stepper input::-webkit-outer-spin-button,.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.actions{display:flex;gap:8px;justify-content:flex-end}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid transparent;border-radius:9px;padding:8px 15px;font-size:13.5px;font-weight:600;cursor:pointer;transition:background .12s ease,transform .06s ease,opacity .12s ease}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover:not(:disabled){background:var(--primary-press)}.btn.ghost{background:var(--surface-2);border-color:var(--border);color:var(--text)}.btn.ghost:hover:not(:disabled){background:color-mix(in srgb,var(--text) 7%,var(--surface-2))}.toast{margin:14px 0 0;font-size:13.5px;line-height:1.5;padding:10px 14px;border-radius:10px;border:1px solid var(--border);display:flex;align-items:flex-start;gap:10px}.toast[hidden]{display:none}.toast-msg{flex:1;white-space:pre-line}.toast-close{flex:none;border:none;background:transparent;color:inherit;cursor:pointer;font-size:14px;line-height:1;padding:2px 4px;border-radius:6px;opacity:.7}.toast-close:hover{opacity:1;background:color-mix(in srgb,currentColor 14%,transparent)}.toast[data-kind=ok]{color:var(--ok);background:color-mix(in srgb,var(--ok) 10%,transparent);border-color:color-mix(in srgb,var(--ok) 30%,transparent)}.toast[data-kind=error]{color:var(--error);background:color-mix(in srgb,var(--error) 10%,transparent);border-color:color-mix(in srgb,var(--error) 30%,transparent)}