/* ── Catppuccin Mocha palette ──────────────────────────────── */
:root {
  --bg:       #1e1e2e; --mantle:   #181825; --crust:    #11111b;
  --surface0: #313244; --surface1: #45475a; --surface2: #585b70;
  --overlay0: #6c7086; --overlay1: #7f849c; --text:     #cdd6f4;
  --subtext0: #a6adc8; --subtext1: #bac2de;
  --accent:   #89b4fa; --green:    #a6e3a1; --red:      #f38ba8;
  --yellow:   #f9e2af; --peach:    #fab387; --mauve:    #cba6f7;
  --teal:     #94e2d5; --sky:      #89dceb; --lavender: #b4befe;
  --pink:     #f5c2e7;
  --radius:   8px; --sidebar-w: 280px; --topbar-h: 52px;
  --trigbar-h: 0px; --statusbar-h: 0px; --transition: 0.18s ease;
  --border: var(--surface0); --fg: var(--text); --fg2: var(--subtext0);
  --bg2: var(--mantle); --bg3: var(--surface0);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height:100%; background:var(--bg); color:var(--text);
  font-family:'Segoe UI',system-ui,sans-serif; font-size:14px; overflow:hidden; }
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:var(--mantle); }
::-webkit-scrollbar-thumb { background:var(--surface1); border-radius:3px; }

/* ── Global element overrides ────────────────────────────── */
button { background:var(--surface0); border:1px solid var(--surface1); color:var(--text); padding:2px 8px; border-radius:4px; cursor:pointer; white-space:nowrap; }
button:hover { background:var(--surface1); }
button.active { background:var(--accent); color:var(--crust); border-color:var(--accent); }
button.danger { background:var(--red); color:var(--crust); border-color:var(--red); }
button.warn   { background:var(--peach); color:var(--crust); border-color:var(--peach); }
button.ok     { background:var(--green); color:var(--crust); border-color:var(--green); }
select { background:var(--surface0); border:1px solid var(--surface1); color:var(--text); padding:2px 4px; border-radius:4px; outline:none; cursor:pointer; }
select:hover { border-color:var(--accent); }
input[type=text], input[type=number] {
  background:var(--surface0); border:1px solid var(--surface1); color:var(--text);
  padding:2px 6px; border-radius:4px; outline:none;
}
input[type=text]:focus, input[type=number]:focus { border-color:var(--accent); }

/* ── uPlot overrides ─────────────────────────────────────────── */
.uplot { background:transparent !important; }
.uplot .u-over { cursor: crosshair; }
.uplot .u-cursor-x, .uplot .u-cursor-y { border-color: #585b70 !important; }
.uplot .u-select { background: rgba(137,180,250,0.1) !important; border: 1px solid rgba(137,180,250,0.4) !important; }

/* ── Top bar ─────────────────────────────────────────────────── */
#topbar {
  position:fixed; top:0; left:0; right:0; height:var(--topbar-h);
  background:var(--mantle); border-bottom:1px solid var(--surface0);
  display:flex; align-items:center; gap:10px; padding:0 14px;
  z-index:100; box-shadow:0 2px 8px rgba(0,0,0,0.4);
}
#app-title { font-weight:700; font-size:15px; color:var(--accent);
  white-space:nowrap; letter-spacing:0.3px; flex-shrink:0; }
.topbar-sep { flex:1; min-width:4px; }
#status-led { width:8px; height:8px; border-radius:50%;
  background:var(--red); flex-shrink:0; transition:background var(--transition); }
#status-led.green  { background:var(--green);  animation:pulse-green  2s infinite; }
#status-led.orange { background:var(--yellow); animation:pulse-orange 1.5s infinite; }
@keyframes pulse-green  { 0%,100%{box-shadow:0 0 0 0 rgba(166,227,161,0.4)} 50%{box-shadow:0 0 0 4px rgba(166,227,161,0)} }
@keyframes pulse-orange { 0%,100%{box-shadow:0 0 0 0 rgba(249,226,175,0.4)} 50%{box-shadow:0 0 0 4px rgba(249,226,175,0)} }
#status-text { font-size:11px; color:var(--subtext0); white-space:nowrap; }
#sb-tsage    { font-size:11px; color:var(--overlay0);  white-space:nowrap; font-family:monospace; }

#cursor-readout {
  display:none; align-items:center; gap:8px;
  font-size:11px; font-family:monospace;
  background:var(--surface0); border:1px solid var(--surface1);
  border-radius:5px; padding:3px 8px; white-space:nowrap; flex-shrink:0;
}
#cursor-readout.visible { display:flex; }
#cur-ta { color:var(--sky); } #cur-tb { color:var(--yellow); }
#cur-dt { color:var(--subtext1); } .cur-sep { color:var(--surface2); }

.topbar-vsep { width:1px; height:22px; background:var(--surface0); flex-shrink:0; margin:0 2px; }
#layout-btns { display:flex; gap:2px; align-items:center; flex-shrink:0; }
.ctrl-label { font-size:12px; color:var(--subtext0); white-space:nowrap; flex-shrink:0; }
select.ctrl-select {
  background:var(--surface0); color:var(--text);
  border:1px solid var(--surface1); border-radius:var(--radius);
  padding:4px 6px; font-size:12px; cursor:pointer; outline:none; flex-shrink:0;
}
select.ctrl-select:hover { border-color:var(--accent); }
button.ctrl-btn {
  background:var(--surface0); color:var(--text);
  border:1px solid var(--surface1); border-radius:var(--radius);
  padding:4px 12px; font-size:12px; cursor:pointer; white-space:nowrap; flex-shrink:0;
  transition:background var(--transition),border-color var(--transition);
}
button.ctrl-btn:hover  { background:var(--surface1); border-color:var(--accent); }
button.ctrl-btn.active { background:var(--surface1); border-color:var(--accent); color:var(--accent); }
button.ctrl-btn.trig-active { background:rgba(203,166,247,0.15); border-color:var(--mauve); color:var(--mauve); }
button.ctrl-btn.cursor-a    { border-color:var(--sky);    color:var(--sky); }
button.ctrl-btn.cursor-b    { border-color:var(--yellow); color:var(--yellow); }
button.ctrl-btn.resume-btn  { border-color:var(--teal);   color:var(--teal); }

/* ── Connection dropdown (debug menu) ─────────────────────── */
.menu-wrap { position:relative; }
.dropdown {
  position:absolute; top:calc(100% + 4px); left:0; z-index:300;
  background:var(--mantle); border:1px solid var(--surface1);
  border-radius:var(--radius); box-shadow:0 6px 20px rgba(0,0,0,.5);
  padding:6px; min-width:280px; display:none; flex-direction:column; gap:6px;
}
.dropdown.open { display:flex; }
.menu-row { display:flex; align-items:center; gap:6px; }
.menu-row input[type=text], .menu-row input[type=number] { font-size:11px; }
.menu-row label { font-size:11px; }
.menu-btn-row { display:flex; gap:4px; }
.menu-btn-row button { flex:1; font-size:11px; }
.menu-sep { border:none; border-top:1px solid var(--surface1); margin:2px 0; }
#conn-status { width:8px; height:8px; border-radius:50%; background:var(--red); display:inline-block; flex-shrink:0; vertical-align:middle; }
#conn-status.ok { background:var(--green); }

/* ── Trigger bar ──────────────────────────────────────────────── */
#trigbar {
  position:fixed; top:var(--topbar-h); left:0; right:0;
  background:var(--crust); border-bottom:1px solid var(--surface0);
  display:flex; align-items:center; flex-wrap:wrap; gap:10px;
  padding:0 16px; z-index:99;
  height:0; overflow:hidden;
  transition:height var(--transition),padding var(--transition);
}
#trigbar.open { height:48px; padding:0 16px; }
.trig-group { display:flex; align-items:center; gap:6px; }
.trig-sep  { width:1px; height:24px; background:var(--surface0); flex-shrink:0; }
.trig-label { font-size:11px; color:var(--subtext0); white-space:nowrap; }
select.trig-select {
  background:var(--surface0); color:var(--text);
  border:1px solid var(--surface1); border-radius:5px;
  padding:3px 6px; font-size:12px; cursor:pointer; outline:none;
}
select.trig-select:hover { border-color:var(--mauve); }
input.trig-input {
  background:var(--surface0); color:var(--text);
  border:1px solid var(--surface1); border-radius:5px;
  padding:3px 6px; font-size:12px; outline:none; width:80px;
}
input.trig-input:focus { border-color:var(--mauve); }
input[type=range].trig-range {
  -webkit-appearance:none; width:90px; height:4px;
  background:var(--surface1); border-radius:2px; outline:none; cursor:pointer;
}
input[type=range].trig-range::-webkit-slider-thumb {
  -webkit-appearance:none; width:12px; height:12px;
  border-radius:50%; background:var(--mauve); cursor:pointer;
}
.trig-range-val { font-size:11px; color:var(--mauve); min-width:28px; }
#trig-status-badge {
  font-size:11px; font-weight:700; letter-spacing:0.8px;
  padding:3px 10px; border-radius:12px;
  border:1px solid var(--surface1); background:var(--surface0); color:var(--subtext0);
  min-width:80px; text-align:center; white-space:nowrap;
}
#trig-status-badge.armed     { background:rgba(166,227,161,0.12); border-color:var(--green);  color:var(--green); }
#trig-status-badge.waiting   { background:rgba(249,226,175,0.12); border-color:var(--yellow); color:var(--yellow); }
#trig-status-badge.triggered { background:rgba(203,166,247,0.15); border-color:var(--mauve);  color:var(--mauve); }
#btn-trig-rearm, #btn-trig-stop {
  border:none; border-radius:5px;
  padding:4px 12px; font-size:12px; font-weight:600; cursor:pointer; display:none;
}
#btn-trig-rearm { background:var(--mauve); color:var(--crust); }
#btn-trig-stop  { background:var(--surface1); color:var(--yellow); border:1px solid var(--yellow); }
#btn-trig-rearm:hover, #btn-trig-stop:hover { opacity:0.85; }

/* ── Body: outer flex-column container ───────────────────── */
#body {
  position:fixed;
  top:calc(var(--topbar-h) + var(--trigbar-h));
  left:0; right:0; bottom:0;
  display:flex; flex-direction:column; overflow:hidden;
  transition:top var(--transition);
}

/* ── Step status bar (inside #body, at top) ──────────────── */
#step-bar {
  background:rgba(45,43,69,0.95); border-bottom:1px solid var(--surface0);
  padding:4px 8px; display:none; align-items:center; gap:8px;
  flex-shrink:0; font-size:11px;
}
#step-bar.visible { display:flex; }
#step-bar button { font-size:11px; }
#step-bar button.ok { background:var(--green); color:var(--crust); border-color:var(--green); }

/* ── Inner horizontal row: sidebar | strip | main | strip | right-panel */
#body-row {
  display:flex; flex-direction:row; flex:1; min-height:0; overflow:hidden;
}

/* ── Sidebar ──────────────────────────────────────────────────── */
#sidebar {
  width:var(--sidebar-w); min-width:var(--sidebar-w);
  background:var(--mantle); border-right:1px solid var(--surface0);
  display:flex; flex-direction:column;
  transition:width var(--transition),min-width var(--transition); overflow:hidden;
}
#sidebar.collapsed { width:0; min-width:0; }
#sidebar-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 14px; border-bottom:1px solid var(--surface0);
  font-weight:600; color:var(--subtext1); font-size:12px;
  text-transform:uppercase; letter-spacing:0.8px; flex-shrink:0;
}

/* ── Sidebar dual-tab (Signals / Object Tree) ─────────────── */
.panel-tabs {
  display:flex; border-bottom:1px solid var(--surface0); flex-shrink:0;
}
.panel-tab {
  flex:1; padding:4px 6px; text-align:center; cursor:pointer;
  color:var(--subtext0); font-size:11px; font-weight:500;
  border-bottom:2px solid transparent;
  transition:color var(--transition), border-color var(--transition);
}
.panel-tab:hover { color:var(--subtext1); }
.panel-tab.active { color:var(--accent); border-bottom-color:var(--accent); }
.sidebar-tab-body { display:none; flex:1; flex-direction:column; overflow:hidden; }
.sidebar-tab-body.active { display:flex; }
.panel-search { padding:4px; flex-shrink:0; border-bottom:1px solid var(--surface0); }
.panel-search input { width:100%; font-size:11px; }
.panel-body { flex:1; overflow-y:auto; padding:4px; }

/* ── Signal list ──────────────────────────────────────────── */
#signal-list { flex:1; overflow-y:auto; padding:8px 0; }
.sig-item {
  padding:6px 14px; cursor:grab; border-radius:6px; margin:1px 6px;
  transition:background var(--transition); display:flex; align-items:center; gap:8px;
  user-select:none;
}
.sig-item:hover  { background:var(--surface0); }
.sig-item:active { cursor:grabbing; }
.sig-item.dragging { opacity:0.4; }
.sig-name  { flex:1; font-size:13px; color:var(--text); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.sig-unit  { font-size:11px; color:var(--subtext0); font-style:italic; }
.type-badge { font-size:10px; background:var(--surface1); color:var(--subtext1); padding:1px 5px; border-radius:3px; white-space:nowrap; }
.array-group {}
.array-header {
  padding:6px 14px 6px 10px; cursor:pointer; border-radius:6px; margin:1px 6px;
  transition:background var(--transition); display:flex; align-items:center; gap:6px; user-select:none;
}
.array-header:hover { background:var(--surface0); }
.array-arrow { font-size:10px; color:var(--subtext0); transition:transform var(--transition); display:inline-block; }
.array-header.open .array-arrow { transform:rotate(90deg); }
.array-children { display:none; padding-left:16px; }
.array-header.open + .array-children { display:block; }
.array-child {
  padding:4px 14px 4px 8px; cursor:grab; border-radius:6px; margin:1px 6px;
  transition:background var(--transition); display:flex; align-items:center; gap:8px;
  user-select:none; color:var(--subtext1); font-size:12px;
}
.array-child:hover  { background:var(--surface0); }
.array-child:active { cursor:grabbing; }

/* ── Resize / collapse strips ─────────────────────────────── */
.panel-strip {
  width:6px; flex-shrink:0; cursor:col-resize;
  background:var(--mantle); border:none; position:relative;
  transition:background 0.1s;
}
.panel-strip::after {
  content:''; position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%); width:2px; height:32px;
  background:var(--surface1); border-radius:1px; pointer-events:none;
}
.panel-strip:hover { background:var(--surface0); }
.panel-strip:hover::after { background:var(--accent); }

/* ── Main area ────────────────────────────────────────────────── */
#main { flex:1; display:flex; flex-direction:column; overflow:hidden; min-width:0; }

/* Layout toggle button in topbar */
#btn-layout { display:flex; align-items:center; gap:4px; font-size:11px; padding:3px 8px; }
#btn-layout svg { flex-shrink:0; }
#btn-layout span { flex-shrink:0; }
.layout-toggle { font-size:11px; }

/* Layout dropdown menu */
#layout-menu {
  position:fixed; z-index:200;
  background:var(--mantle); border:1px solid var(--surface1); border-radius:var(--radius);
  box-shadow:0 6px 20px rgba(0,0,0,0.5);
  display:none; grid-template-columns:1fr 1fr; gap:4px; padding:6px;
}
#layout-menu.open { display:grid; }
.layout-menu-item {
  display:flex; flex-direction:column; align-items:center; gap:3px;
  padding:5px 10px; cursor:pointer;
  background:var(--surface0); border:1px solid var(--surface1); border-radius:6px;
  color:var(--subtext1); font-size:10px; font-family:monospace;
  transition:background var(--transition),border-color var(--transition),color var(--transition);
}
.layout-menu-item:hover  { background:var(--surface1); border-color:var(--accent); color:var(--accent); }
.layout-menu-item.active { background:var(--surface1); border-color:var(--accent); color:var(--accent); }

/* ── Plot grid ────────────────────────────────────────────────── */
#plot-grid {
  flex:1; min-height:0; display:grid; gap:0; padding:0; overflow:hidden;
  border-top:1px solid var(--surface0); border-left:1px solid var(--surface0);
  position:relative;
}
.resize-handle-v {
  position:absolute; top:0; bottom:0; width:6px; cursor:col-resize; z-index:20;
  transform:translateX(-50%); background:transparent; transition:background 0.15s;
}
.resize-handle-h {
  position:absolute; left:0; right:0; height:6px; cursor:row-resize; z-index:20;
  transform:translateY(-50%); background:transparent; transition:background 0.15s;
}
.resize-handle-v:hover,.resize-handle-v.dragging,
.resize-handle-h:hover,.resize-handle-h.dragging {
  background:rgba(137,180,250,0.35);
}
#plot-grid.l1x1 { grid-template-columns:1fr;         grid-template-rows:1fr; }
#plot-grid.l2x1 { grid-template-columns:1fr 1fr;     grid-template-rows:1fr; }
#plot-grid.l1x2 { grid-template-columns:1fr;         grid-template-rows:1fr 1fr; }
#plot-grid.l2x2 { grid-template-columns:1fr 1fr;     grid-template-rows:1fr 1fr; }
#plot-grid.l3x1 { grid-template-columns:1fr 1fr 1fr; grid-template-rows:1fr; }
#plot-grid.l1x3 { grid-template-columns:1fr;         grid-template-rows:1fr 1fr 1fr; }
#plot-grid.l3x2 { grid-template-columns:1fr 1fr 1fr; grid-template-rows:1fr 1fr; }
#plot-grid.l2x3 { grid-template-columns:1fr 1fr;     grid-template-rows:1fr 1fr 1fr; }
#plot-grid.l1x4 { grid-template-columns:1fr;         grid-template-rows:1fr 1fr 1fr 1fr; }
#plot-grid.l4x1 { grid-template-columns:1fr 1fr 1fr 1fr; grid-template-rows:1fr; }

/* ── Plot card ────────────────────────────────────────────────── */
.plot-card {
  background:var(--bg);
  border-right:1px solid var(--surface0); border-bottom:1px solid var(--surface0);
  border-radius:0; display:flex; flex-direction:column;
  min-height:0; position:relative; overflow:hidden;
}
.plot-card.drag-over { background:rgba(137,180,250,0.04); box-shadow:inset 0 0 0 2px var(--accent); }
.plot-card-header {
  z-index:5; flex-shrink:0;
  background:rgba(17,17,27,0.88); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--surface1);
  display:flex; align-items:center; gap:5px;
  padding:3px 8px; min-height:26px; overflow:hidden;
}
.plot-title {
  font-size:11px; color:var(--subtext1); font-weight:600;
  cursor:pointer; border:1px solid transparent; border-radius:3px;
  padding:1px 4px; background:transparent; white-space:nowrap; user-select:none;
  flex-shrink:0; max-width:100px; overflow:hidden; text-overflow:ellipsis;
  transition:border-color 0.15s, background 0.15s;
}
.plot-title:hover { border-color:var(--surface1); background:rgba(88,91,112,0.4); }
.plot-cfg-bar {
  flex-shrink:0; background:rgba(17,17,27,0.92); border-top:1px solid var(--surface1);
  padding:3px 8px;
}
.sig-badges { display:flex; flex-wrap:nowrap; gap:3px; flex:1; overflow:hidden; min-width:0; }
.sig-badge {
  display:inline-flex; align-items:center; gap:3px;
  background:rgba(69,71,90,0.6); color:var(--subtext1);
  border-radius:10px; padding:1px 6px 1px 4px;
  font-size:10px; white-space:nowrap; flex-shrink:0; cursor:pointer;
}
.trace-dot { width:7px; height:7px; border-radius:50%; flex-shrink:0; display:inline-block; }
.sig-badge-x {
  cursor:pointer; color:var(--overlay0); font-size:11px; line-height:1; margin-left:1px;
  transition:color var(--transition);
}
.sig-badge-x:hover { color:var(--red); }
.sig-badge-active { outline:1px solid rgba(255,255,255,0.35); background:rgba(88,91,112,0.9); }
.sig-badge-active .vscale-info { color:var(--subtext0); }
.plot-body { flex:1; position:relative; min-height:0; overflow:hidden; }
.drop-hint {
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:var(--overlay0); font-size:13px; pointer-events:none;
}
.trig-collect-overlay {
  position:absolute; inset:0; display:none;
  align-items:center; justify-content:center; pointer-events:none; z-index:10;
}
.plot-card.trig-collecting .trig-collect-overlay { display:flex; }
.trig-collect-text {
  background:rgba(49,50,68,0.82); color:var(--mauve);
  font-size:11px; font-weight:600; padding:4px 12px; border-radius:20px;
  border:1px solid var(--mauve);
}

/* ── Signal style context menu ────────────────────────────────── */
#sig-ctx-menu {
  position:fixed; z-index:300;
  background:var(--mantle); border:1px solid var(--surface1); border-radius:var(--radius);
  box-shadow:0 8px 24px rgba(0,0,0,0.6); padding:10px; min-width:210px;
}
.ctx-menu-header {
  font-size:11px; color:var(--subtext0); margin-bottom:8px;
  padding-bottom:6px; border-bottom:1px solid var(--surface0);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.ctx-menu-key { color:var(--accent); font-weight:600; }
.ctx-row { display:flex; align-items:center; gap:8px; margin-bottom:6px; }
.ctx-row label { font-size:11px; color:var(--subtext0); width:42px; flex-shrink:0; }
.ctx-btns { display:flex; gap:3px; flex-wrap:wrap; }
.ctx-btn {
  background:var(--surface0); border:1px solid var(--surface1); border-radius:4px;
  color:var(--subtext1); font-size:11px; padding:2px 7px; cursor:pointer;
  transition:background var(--transition),border-color var(--transition),color var(--transition);
}
.ctx-btn:hover  { background:var(--surface1); border-color:var(--accent); }
.ctx-btn.active { background:var(--surface1); border-color:var(--accent); color:var(--accent); }
#ctx-color {
  width:28px; height:22px; border:1px solid var(--surface1); border-radius:4px;
  background:transparent; cursor:pointer; padding:1px;
}
.ctx-range { width:80px; }
.ctx-range-val { font-size:11px; color:var(--mauve); min-width:26px; }
.ctx-num {
  width:90px; background:var(--surface0); border:1px solid var(--surface1); border-radius:4px;
  color:var(--text); font-size:11px; padding:2px 6px;
}
.ctx-num:focus { outline:none; border-color:var(--accent); }
.ctx-btn:disabled { opacity:0.35; cursor:not-allowed; border-color:var(--surface1); }

/* ── Array index picker ─────────────────────────────────────────── */
#array-idx-picker {
  position:fixed; z-index:300;
  background:var(--mantle); border:1px solid var(--surface1); border-radius:var(--radius);
  box-shadow:0 8px 24px rgba(0,0,0,0.6); padding:10px; min-width:200px;
}

/* ── VScale toolbar (embedded in plot card) ──────────────────────── */
#vscale-menu {
  flex-shrink:0; background:rgba(17,17,27,0.92); border-top:1px solid var(--surface1);
  padding:3px 8px;
}
.vstb-header {
  display:flex; align-items:center; gap:8px; flex-wrap:nowrap; overflow-x:auto;
  scrollbar-width:none;
}
.vstb-header::-webkit-scrollbar { display:none; }
.vstb-label { font-size:11px; color:var(--subtext0); white-space:nowrap; flex-shrink:0; }
.vstb-lbl { font-size:10px; color:var(--overlay0); white-space:nowrap; }
.vstb-close {
  margin-left:auto; flex-shrink:0;
  background:transparent; border:none; color:var(--overlay0);
  cursor:pointer; font-size:11px; padding:0 3px; line-height:1;
  transition:color var(--transition);
}
.vstb-close:hover { color:var(--red); }
.plot-vscale-bar { display:none; }

/* ── Per-plot cursor value readout ────────────────────────────── */
.plot-cursor-ro {
  margin-left:auto; flex-shrink:0;
  align-items:center; gap:5px;
  font-size:10px; font-family:monospace;
  background:var(--surface0); border:1px solid var(--surface1);
  border-radius:4px; padding:1px 7px; white-space:nowrap; overflow:hidden;
}
.pcur-a  { color:var(--sky); }
.pcur-b  { color:var(--yellow); }
.pcur-dv { color:var(--subtext1); }
.pcur-sep { color:var(--surface2); }

/* ── Badge vscale info & active state ───────────────────────────── */
.vscale-info {
  font-size:9px; color:var(--overlay0); font-family:monospace; margin-left:2px; white-space:nowrap;
}

/* ── Source groups ────────────────────────────────────────────── */
.source-group { margin-bottom:2px; }
.source-group-header {
  display:flex; align-items:center; gap:5px;
  padding:5px 8px 5px 10px; margin:4px 6px 2px;
  background:var(--surface0); border-radius:6px;
}
.source-state-dot {
  width:7px; height:7px; border-radius:50%; flex-shrink:0;
  background:var(--overlay0); transition:background var(--transition);
}
.source-state-dot.connected    { background:var(--green); }
.source-state-dot.connecting   { background:var(--yellow); animation:pulse-orange 1.5s infinite; }
.source-state-dot.disconnected { background:var(--red); }
.source-name {
  font-size:11px; font-weight:600; color:var(--subtext1); flex:1;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.source-addr {
  font-size:10px; color:var(--overlay0); font-family:monospace;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap; max-width:90px;
}
.source-remove-btn {
  background:none; border:none; color:var(--overlay0);
  cursor:pointer; font-size:15px; line-height:1; padding:0 2px; flex-shrink:0;
  transition:color var(--transition);
}
.source-remove-btn:hover { color:var(--red); }

/* ── Add source section ───────────────────────────────────────── */
.add-source-section { border-top:1px solid var(--surface0); margin-top:4px; }
.add-source-title {
  display:flex; align-items:center; gap:5px;
  padding:6px 10px; cursor:pointer; user-select:none;
  font-size:11px; color:var(--overlay0);
  transition:color var(--transition);
}
.add-source-title:hover { color:var(--subtext1); }
.add-src-arrow { font-size:9px; display:inline-block; transition:transform var(--transition); }
.add-source-body { display:none; flex-direction:column; gap:5px; padding:0 10px 10px; }
.add-source-section.open .add-source-body { display:flex; }
.add-src-input {
  background:var(--surface0); color:var(--text);
  border:1px solid var(--surface1); border-radius:5px;
  padding:4px 8px; font-size:12px; outline:none; width:100%;
}
.add-src-input:focus { border-color:var(--accent); }
.add-src-btn {
  background:var(--surface0); color:var(--accent);
  border:1px solid var(--surface1); border-radius:5px;
  padding:4px 10px; font-size:12px; cursor:pointer; width:100%;
  transition:background var(--transition),border-color var(--transition);
}
.add-src-btn:hover { background:rgba(137,180,250,0.15); border-color:var(--accent); }
.save-src-btn { color:var(--green); }
.save-src-btn:hover { background:rgba(166,227,161,0.1); border-color:var(--green); }

/* ── Right panel (debug: Traced/Forced/Breaks/Msgs) ────────── */
#right-panel {
  width:260px; min-width:180px; max-width:420px;
  display:flex; flex-direction:column;
  border-left:1px solid var(--surface0); overflow:hidden;
  background:var(--mantle);
}
#right-panel.collapsed { width:0; min-width:0; border:none; overflow:hidden; }
.tabs { display:flex; border-bottom:1px solid var(--surface0); flex-shrink:0; }
.tab {
  flex:1; padding:4px; text-align:center; cursor:pointer;
  color:var(--overlay0); font-size:11px;
  border-bottom:2px solid transparent;
  transition:color var(--transition),border-color var(--transition);
}
.tab:hover { color:var(--subtext1); }
.tab.active { color:var(--accent); border-bottom-color:var(--accent); }
.tab-content { display:none; flex:1; overflow-y:auto; flex-direction:column; }
.tab-content.active { display:flex; }

/* ── Traced / Forced signal rows ─────────────────────────── */
.traced-row {
  display:flex; align-items:center; gap:4px;
  padding:3px 6px; border-bottom:1px solid var(--crust); font-size:11px;
}
.traced-name { flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:var(--accent); }
.traced-val  { font-family:monospace; color:var(--green); font-size:11px; min-width:60px; text-align:right; }
.forced-row  { display:flex; align-items:center; gap:4px; padding:3px 6px; border-bottom:1px solid var(--crust); font-size:11px; }
.forced-name { flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:var(--peach); }
.forced-val  { font-family:monospace; color:var(--yellow); font-size:11px; }
.break-item  { display:flex; align-items:center; gap:4px; padding:3px 6px; border-bottom:1px solid var(--crust); font-size:11px; }
.break-sig   { flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:var(--mauve); }
.msg-item    { padding:3px 6px; border-bottom:1px solid var(--crust); font-size:11px; }
.empty-hint  { padding:16px; color:var(--overlay0); text-align:center; font-size:12px; }

/* ── Panel collapse toggle ────────────────────────────────── */
.panel-toggle {
  background:transparent; border:none; color:var(--subtext0);
  padding:0 4px; font-size:11px; cursor:pointer; flex-shrink:0;
  transition:color var(--transition);
}
.panel-toggle:hover { color:var(--accent); }

/* ── Log panel ────────────────────────────────────────────── */
#log-panel {
  height:140px; min-height:26px; display:flex; flex-direction:column;
  border-top:1px solid var(--surface0); background:var(--crust);
  flex-shrink:0; overflow:hidden;
  transition:height var(--transition);
}
#log-panel.collapsed { height:26px; }
#log-panel.collapsed #log-body { display:none; }
#log-toolbar {
  display:flex; align-items:center; gap:8px;
  padding:3px 8px; background:var(--mantle);
  border-bottom:1px solid var(--surface0); flex-shrink:0; height:26px;
}
#log-toolbar label { display:flex; align-items:center; gap:3px; font-size:11px; color:var(--subtext0); cursor:pointer; }
#log-toolbar input[type=text] { font-size:11px; background:var(--surface0); border:1px solid var(--surface1); border-radius:3px; color:var(--text); padding:1px 4px; }
#log-body { flex:1; overflow-y:auto; font-family:monospace; font-size:11px; padding:2px 0; }
.log-line { padding:1px 8px; display:flex; gap:8px; }
.log-time  { color:var(--overlay0); flex-shrink:0; font-family:monospace; }
.log-lvl   { flex-shrink:0; min-width:50px; font-weight:600; }
.log-msg   { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; flex:1; }
.log-line.DEBUG   .log-lvl { color:var(--accent); }
.log-line.INFO    .log-lvl { color:var(--green); }
.log-line.WARNING .log-lvl { color:var(--peach); }
.log-line.ERROR   .log-lvl { color:var(--red); }
.log-line.CMD     .log-lvl { color:var(--teal); }
.log-line.RESP    .log-lvl { color:var(--sky); }
.log-hidden { display:none; }

/* ── Stats panel ─────────────────────────────────────────────── */
#stats-panel {
  position:fixed; bottom:0; left:0; right:0;
  height:0; overflow:hidden;
  background:var(--mantle); border-top:2px solid var(--surface0);
  z-index:89;
  transition:height var(--transition);
}
#stats-panel.open { height:290px; }
#stats-panel-hdr {
  display:flex; align-items:center; gap:8px;
  padding:4px 10px; border-bottom:1px solid var(--surface0); flex-shrink:0;
  font-size:11px; font-weight:700; color:var(--subtext1); letter-spacing:0.5px; text-transform:uppercase;
}
.stats-hdr-label { flex-shrink:0; }
.stats-source-sel {
  flex:1; min-width:0;
  background:var(--surface0); border:1px solid var(--surface1); border-radius:var(--radius);
  color:var(--text); font-size:11px; padding:1px 5px; cursor:pointer;
}
.stats-source-sel:focus { outline:none; border-color:var(--accent); }
#btn-stats-close {
  background:none; border:none; color:var(--overlay0); flex-shrink:0;
  cursor:pointer; font-size:14px; line-height:1; padding:2px;
  transition:color var(--transition);
}
#btn-stats-close:hover { color:var(--red); }
#stats-body {
  overflow-x:hidden; overflow-y:auto;
  display:flex; flex-direction:column; gap:0;
  padding:8px 18px;
  height:calc(290px - 30px); box-sizing:border-box;
}
.stats-section { display:flex; flex-direction:column; gap:5px; padding:4px 0; }
.stats-section-grow { flex:1; }
.stats-empty { font-size:11px; color:var(--overlay0); }
.stats-section-label { font-size:9px; color:var(--overlay0); text-transform:uppercase; letter-spacing:0.6px; }
.stats-row { display:flex; gap:16px; flex-wrap:wrap; align-items:flex-end; }
.stats-kv  { display:flex; flex-direction:column; gap:1px; min-width:70px; }
.stats-k   { font-size:9px; color:var(--overlay0); text-transform:uppercase; letter-spacing:0.5px; }
.stats-v   { font-size:12px; color:var(--text); font-family:monospace; font-weight:600; }
.stats-v.warn { color:var(--yellow); }
.stats-v.ok   { color:var(--green); }
.stats-sep { border:none; border-top:1px solid var(--surface0); margin:2px 0; }
.stats-hist { width:100%; }
.hist-bars { display:flex; align-items:flex-end; gap:1px; height:72px; background:var(--crust); border-radius:3px; padding:2px 3px; }
.hist-bar { flex:1; background:var(--accent); border-radius:1px 1px 0 0; min-height:1px; opacity:0.65; transition:opacity 0.1s; }
.hist-bar:hover { opacity:1; }
.hist-labels { display:flex; justify-content:space-between; font-size:9px; color:var(--overlay0); font-family:monospace; margin-top:2px; }

/* ── Dialogs ──────────────────────────────────────────────── */
.dialog-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.6);
  display:flex; align-items:center; justify-content:center; z-index:200;
}
.dialog {
  background:var(--mantle); border:1px solid var(--surface1);
  border-radius:var(--radius); padding:16px; min-width:320px; max-width:500px;
}
.dialog h3 { margin-bottom:12px; color:var(--accent); }
.dialog label { display:block; margin-bottom:4px; color:var(--subtext0); font-size:13px; }
.dialog input, .dialog select, .dialog textarea {
  width:100%; background:var(--surface0); border:1px solid var(--surface1);
  color:var(--text); padding:4px 8px; border-radius:4px; margin-bottom:10px;
}
.dialog textarea { height:80px; resize:vertical; font-family:monospace; font-size:12px; }
.dialog .btns { display:flex; gap:8px; justify-content:flex-end; margin-top:4px; }
.dialog select option { background:var(--mantle); }
.form-row { display:flex; gap:8px; }
.form-row > * { flex:1; }
.form-check { display:flex; align-items:center; gap:8px; margin-bottom:10px; }
.form-check input[type=checkbox] { width:auto; margin:0; }
.form-check label { margin:0; color:var(--subtext0); display:inline; }

/* ── Array selection segment ──────────────────────────────── */
.arr-seg {
  display:flex; gap:0; margin-bottom:12px;
  border-radius:4px; overflow:hidden; border:1px solid var(--surface1);
}
.arr-seg button {
  flex:1; border:none; border-radius:0; border-right:1px solid var(--surface1);
  color:var(--subtext0); background:var(--surface0); padding:4px 0; font-size:11px;
}
.arr-seg button:last-child { border-right:none; }
.arr-seg button.active { background:var(--accent); color:var(--crust); }
.arr-seg button:hover:not(.active) { background:var(--surface1); color:var(--text); }

/* ── Tree (Object Tree tab) ───────────────────────────────── */
.tree-node { padding:1px 0; }
.tree-leaf { display:flex; align-items:center; gap:4px; padding:2px 6px; cursor:default; user-select:none; font-size:11px; }
.tree-leaf:hover { background:var(--surface0); }
.tree-leaf.selected { background:var(--surface1); }
.tree-name  { flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.tree-class { color:var(--overlay0); font-size:10px; flex-shrink:0; }
details > summary { list-style:none; cursor:pointer; padding:2px 6px; display:flex; align-items:center; gap:4px; user-select:none; font-size:11px; }
details > summary:hover { background:var(--surface0); }
details > summary::before { content:'▶'; font-size:9px; color:var(--overlay0); width:10px; flex-shrink:0; }
details[open] > summary::before { content:'▼'; }
details > .children { padding-left:14px; }
.tree-loading { padding:2px 4px; color:var(--overlay0); font-size:10px; font-style:italic; }
.tree-btn {
  background:transparent; border:1px solid var(--surface1); color:var(--subtext0);
  padding:0 4px; border-radius:3px; cursor:pointer; font-size:10px; line-height:14px;
}
.tree-btn:hover { background:var(--surface1); color:var(--text); }
.tree-btn.t { border-color:var(--accent); color:var(--accent); }
.tree-btn.f { border-color:var(--green);  color:var(--green); }
.tree-btn.b { border-color:var(--peach);  color:var(--peach); }

/* ── Empty state (center area hint) ─────────────────────── */
#empty-state {
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  text-align:center; color:var(--subtext0); pointer-events:none; display:none;
}
#empty-state.visible { display:block; }
#empty-state h2 { font-size:20px; margin-bottom:8px; color:var(--surface2); }
#empty-state p   { font-size:13px; }

/* ── UDP stats ────────────────────────────────────────────── */
#udp-stats { color:var(--overlay0); font-size:11px; }

@media (max-width:700px) { #sidebar { width:0; min-width:0; } :root { --sidebar-w:240px; } }