/* :root{
  --bg0:#101216; --bg1:#181b21; --bg2:#20242c; --bg3:#292e38;
  --line:#3a4150; --txt:#e4e7ee; --txt-dim:#9aa4b6; --accent:#3fa9ff;
  --accent2:#ff9d3f; --danger:#ff5566; --ok:#4ade80; --warn:#ffcc33;
  --mono: 'Consolas','Menlo','Courier New',monospace;
  --fs-base:12.5px; --fs-label:11.5px; --fs-head:11px;
}
button, select, input[type=file]::file-selector-button{ font-size:var(--fs-base); padding:5px 9px; }
.sHead{ font-size:var(--fs-head); }
.row label, .jointRow .lbl{ font-size:var(--fs-label); }
#leftPanel, #rightPanel{ width:255px; }
*{box-sizing:border-box;}
html,body{margin:0;padding:0;width:100%;height:100%;background:var(--bg0);color:var(--txt);
  font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;overflow:hidden;user-select:none;}
#app{position:fixed;inset:0;display:flex;flex-direction:column;}
#toolbar{display:flex;align-items:center;gap:4px;padding:6px 8px;background:var(--bg1);
  border-bottom:1px solid var(--line);flex-shrink:0;z-index:20;flex-wrap:wrap;}
#toolbar .grp{display:flex;gap:2px;padding:0 6px;border-right:1px solid var(--line);}
#toolbar .grp:last-child{border-right:none;}
#logo{font-weight:700;letter-spacing:.5px;padding:0 10px 0 4px;color:var(--accent);font-size:13px;white-space:nowrap;}
button, select, input[type=file]::file-selector-button{
  background:var(--bg3);color:var(--txt);border:1px solid var(--line);border-radius:4px;
  padding:4px 7px;font-size:10.5px;cursor:pointer;transition:.12s;white-space:nowrap;
}
button:hover{background:#343b46;border-color:var(--accent);}
button.active{background:var(--accent);color:#00131f;border-color:var(--accent);font-weight:600;}
button.danger:hover{border-color:var(--danger);}
button:active{transform:translateY(1px);}
#mid{flex:1;display:flex;min-height:0;position:relative;}
@media (max-width: 900px){
  #mid{flex-direction:column;overflow-y:auto;}
  #leftPanel,#rightPanel{width:100%;max-height:40vh;}
  #viewport{min-height:45vh;}
  #joystickWrap{left:8px;top:8px;transform:scale(.85);transform-origin:top left;}
}
#viewport{flex:1;position:relative;min-width:0;}
canvas#glcanvas{display:block;width:100%;height:100%;}
.panel{background:var(--bg1);border-left:1px solid var(--line);display:flex;flex-direction:column;
  overflow:hidden;flex-shrink:0;}
#leftPanel{width:225px;border-left:none;border-right:1px solid var(--line);}
#rightPanel{width:225px;}
.panelHead{padding:6px 10px;font-size:10px;font-weight:700;letter-spacing:.5px;color:var(--txt-dim);
  background:var(--bg2);border-bottom:1px solid var(--line);text-transform:uppercase;display:flex;justify-content:space-between;align-items:center;}
.panelBody{overflow-y:auto;flex:1;padding:6px 7px;}
.panelBody::-webkit-scrollbar{width:8px;}
.panelBody::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:4px;}
.section{margin-bottom:6px;border:1px solid var(--line);border-radius:5px;overflow:hidden;}
.section > .sHead{background:var(--bg2);padding:4px 7px;font-size:10px;font-weight:700;color:var(--txt-dim);
  text-transform:uppercase;letter-spacing:.4px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;}
.section > .sHead::after{content:'▾';font-size:9px;color:var(--txt-dim);transition:.15s;}
.section.collapsed > .sHead::after{transform:rotate(-90deg);}
.section > .sBody{padding:6px 7px;display:flex;flex-direction:column;gap:5px;}
.jointRow{display:flex;flex-direction:column;gap:1px;background:var(--bg2);border-radius:4px;padding:3px 6px;border:1px solid transparent;}
.jointRow.limitWarn{border-color:var(--danger);box-shadow:0 0 6px rgba(255,85,102,.5);}
.jointRow .lbl{display:flex;justify-content:space-between;font-size:11px;color:var(--txt-dim);}
.jointRow .lbl b{color:var(--txt);font-weight:600;}
.jointRow input[type=range]{width:100%;accent-color:var(--accent);}
.jointRow .numRow{display:flex;gap:4px;}
.jointRow input[type=number]{width:100%;background:var(--bg3);border:1px solid var(--line);color:var(--txt);
  border-radius:3px;font-size:11px;padding:2px 4px;font-family:var(--mono);}
.row{display:flex;gap:6px;align-items:center;}
.row label{font-size:11px;color:var(--txt-dim);flex:1;}
.row input[type=range]{flex:2;accent-color:var(--accent2);}
.row input[type=number]{width:60px;background:var(--bg3);border:1px solid var(--line);color:var(--txt);border-radius:3px;font-size:11px;padding:2px 4px;}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:4px;}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4px;}
.toggle{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--txt-dim);padding:2px 0;}
.toggle input{accent-color:var(--accent);}
.mono{font-family:var(--mono);font-size:11px;color:var(--txt);}
table.matrix{border-collapse:collapse;width:100%;font-family:var(--mono);font-size:10.5px;}
table.matrix td{border:1px solid var(--line);padding:3px 4px;text-align:right;background:var(--bg2);}
.smallbtn{padding:3px 6px;font-size:10px;}
#objList{display:flex;flex-direction:column;gap:4px;max-height:160px;overflow-y:auto;}
.objItem{display:flex;align-items:center;gap:6px;background:var(--bg2);border:1px solid var(--line);border-radius:4px;padding:4px 6px;font-size:11px;cursor:pointer;}
.objItem.sel{border-color:var(--accent);background:#1c2a38;}
.objItem .sw{width:10px;height:10px;border-radius:2px;flex-shrink:0;}
.objItem .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
#timeline{background:var(--bg1);border-top:1px solid var(--line);flex-shrink:0;padding:6px 10px;display:flex;flex-direction:column;gap:6px;}
#trackWrap{position:relative;height:38px;background:var(--bg2);border:1px solid var(--line);border-radius:4px;overflow:visible;}
#track{position:absolute;inset:0;}
.kf{position:absolute;top:4px;width:14px;height:14px;background:var(--accent2);border-radius:3px;transform:translateX(-50%) rotate(45deg);
  cursor:pointer;border:1px solid #00131f;}
.kf.selKf{background:var(--accent);box-shadow:0 0 6px var(--accent);}
#playhead{position:absolute;top:0;bottom:0;width:2px;background:var(--danger);pointer-events:none;}
#statusbar{display:flex;gap:16px;padding:4px 12px;background:var(--bg2);border-top:1px solid var(--line);
  font-family:var(--mono);font-size:11px;color:var(--txt-dim);flex-shrink:0;flex-wrap:wrap;}
#statusbar b{color:var(--txt);}
#statusbar .ok{color:var(--ok);} #statusbar .bad{color:var(--danger);}
#ctxMenu{position:fixed;background:var(--bg2);border:1px solid var(--line);border-radius:5px;padding:4px;
  z-index:200;display:none;box-shadow:0 6px 18px rgba(0,0,0,.5);min-width:160px;}
#ctxMenu div{padding:6px 10px;font-size:12px;border-radius:3px;cursor:pointer;}
#ctxMenu div:hover{background:var(--accent);color:#00131f;}
#hint{position:absolute;left:10px;bottom:10px;background:rgba(20,22,26,.75);border:1px solid var(--line);
  border-radius:6px;padding:6px 10px;font-size:10.5px;color:var(--txt-dim);max-width:340px;line-height:1.5;pointer-events:none;}
#crosshair{position:absolute;top:10px;right:10px;font-family:var(--mono);font-size:10px;color:var(--txt-dim);
  background:rgba(20,22,26,.6);padding:4px 8px;border-radius:4px;border:1px solid var(--line);}
.collapsed .sBody{display:none;}
input[type=file]{font-size:10px;color:var(--txt-dim);width:100%;}
::-webkit-scrollbar{width:9px;height:9px;} ::-webkit-scrollbar-track{background:var(--bg1);}
::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:5px;} */


:root {
  --bg-base: #121518;
  --bg-panel: rgba(28, 33, 40, 0.85);
  --bg-input: #262c36;
  --border: #3a4150;
  --text-main: #e4e7ee;
  --text-dim: #9aa4b6;
  --accent: #4a90e2;
  --accent-hover: #357abd;
  --danger: #ff5566;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "Consolas", "Menlo", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg-base); color: var(--text-main); font-family: var(--font-main); overflow: hidden; user-select: none; }

/* 3D Viewport */
#viewport { position: fixed; inset: 0; width: 100vw; height: 100vh; }
#glcanvas { display: block; width: 100%; height: 100%; }

/* Buttons & Inputs */
button { 
  background: var(--bg-input); color: var(--text-main); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 4px; font-size: 12px; cursor: pointer; transition: 0.2s;
}
button:hover { background: var(--accent); border-color: var(--accent); }
button.active { background: var(--accent); font-weight: bold; }
button.danger:hover { background: var(--danger); border-color: var(--danger); }
button.accent { background: var(--accent); border-color: var(--accent); }

input[type=range] { width: 100%; accent-color: var(--accent); cursor: pointer; }
.toggle { display: flex; align-items: center; gap: 8px; font-size: 12px; cursor: pointer; color: var(--text-dim); margin-bottom: 6px; }

/* Top Floating Bar */
.top-bar {
  position: absolute; top: 15px; left: 15px; right: 15px;
  display: flex; justify-content: space-between; align-items: center; pointer-events: none;
}
.brand { font-weight: bold; color: var(--accent); font-size: 16px; pointer-events: auto; }
.tools { display: flex; gap: 8px; background: var(--bg-panel); padding: 6px; border-radius: 6px; backdrop-filter: blur(8px); pointer-events: auto; border: 1px solid var(--border); }
.divider { width: 1px; background: var(--border); margin: 0 4px; }

/* Floating Teach Pendant (Right Side) */
.teach-pendant {
  position: absolute; top: 60px; right: 15px; width: 320px;
  background: var(--bg-panel); backdrop-filter: blur(10px); border: 1px solid var(--border);
  border-radius: 8px; display: flex; flex-direction: column; overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4); max-height: calc(100vh - 100px);
}

/* Tabs */
.tabs { display: flex; border-bottom: 1px solid var(--border); background: var(--bg-base); }
.tab-btn { flex: 1; background: transparent; border: none; border-radius: 0; padding: 10px 0; border-bottom: 2px solid transparent; color: var(--text-dim); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-btn:hover { background: rgba(255,255,255,0.05); }

/* Tab Content */
.tab-content { display: none; padding: 15px; overflow-y: auto; flex: 1; }
.tab-content.active { display: block; }

/* Control Groups */
.control-group { margin-bottom: 15px; background: rgba(0,0,0,0.2); padding: 10px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.05); }
.control-group h3 { font-size: 11px; text-transform: uppercase; color: var(--text-dim); margin-bottom: 10px; letter-spacing: 0.5px; }

/* Utility Layouts */
.jog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.tp-square-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  max-width: 220px;
  margin: 8px auto 0;
}
.tp-square-grid .smallbtn {
  min-height: 30px;
  padding: 6px 4px;
  font-size: 10px;
  font-weight: 600;
  text-align: center;
}
.btn-row { display: flex; gap: 6px; width: 100%; }
.btn-row button { flex: 1; }
.mt-1 { margin-top: 8px; width: 100%; }

/* Status Bar */
.status-bar {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: var(--bg-base); border-top: 1px solid var(--border); padding: 4px 15px;
  display: flex; gap: 20px; font-family: var(--font-mono); font-size: 11px; color: var(--text-dim);
}
.status-bar b { color: var(--text-main); font-weight: normal; }
button.tab-btn.active {
  background: transparent !important;
  color: var(--accent) !important;
  border-bottom-color: var(--accent) !important;
}