/* ── CSS RESET ─────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
button{cursor:pointer;font-family:inherit}
select{font-family:inherit}
img{display:block}

/* ── DESIGN TOKENS ─────────────────────────────────────────── */
:root{
  --bg:#06050c;
  --surface:#0c0a14;
  --surface-2:#12101c;
  --surface-3:#1a1628;
  --border:#252036;
  --border-bright:#3d3558;

  --teal:#34e8d0;
  --teal-dim:#22b8a8;
  --teal-glow:rgba(52,232,208,.18);
  --teal-surf:rgba(52,232,208,.09);

  --purple:#a78bfa;
  --purple-bright:#c4b5fd;
  --purple-deep:#6d28d9;
  --purple-glow:rgba(167,139,250,.35);

  --gold:#e8c547;
  --gold-dim:#c4a534;
  --gold-surf:rgba(232,197,71,.08);

  --red:#ef4444;
  --red-surf:rgba(239,68,68,.08);

  --ok:#4ade80;
  --ok-dim:#22c55e;
  --warn:#facc15;
  --bad:#f87171;

  --gps:#a78bfa;
  --jam-accent:#94a3b8;
  --jam-active:#b0bec8;

  --text:#dde2ea;
  --text-2:#8895a5;
  --text-3:#4a5568;

  --font-sans:'IBM Plex Sans',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',monospace;

  --header-veil-1:rgba(109,40,217,.13);
  --header-veil-2:rgba(52,232,208,.06);
  --header-grid:rgba(109,40,217,.045);
}

/* ── LAYOUT ────────────────────────────────────────────────── */
html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--text);
  font-family:var(--font-sans);font-size:13px;-webkit-font-smoothing:antialiased}

.app{
  display:grid;
  grid-template-rows:48px 1fr auto;
  grid-template-columns:224px 1fr 284px;
  position:fixed;
  inset:0;
  height:100vh; /* fallback */
  height:100dvh;
  min-height:100vh;
  gap:1px;
  background:var(--border);
}
.app.locked{filter:blur(4px);pointer-events:none}

/* ── HEADER ────────────────────────────────────────────────── */
header{
  grid-column:1/-1;
  display:flex;align-items:center;gap:18px;
  padding:0 18px;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  position:relative;
  box-shadow:0 0 40px rgba(109,40,217,.08),inset 0 1px 0 rgba(167,139,250,.05);
}
header::before{
  content:'';
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse 110% 140% at 14% 52%,var(--header-veil-1),transparent 52%),
    radial-gradient(ellipse 90% 100% at 92% -5%,var(--header-veil-2),transparent 48%),
    repeating-linear-gradient(90deg,transparent 0 40px,var(--header-grid) 40px 41px),
    repeating-linear-gradient(0deg,transparent 0 36px,var(--header-grid) 36px 37px);
  opacity:.55;
}
header > *{position:relative;z-index:1}
header::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:1px;z-index:2;
  background:linear-gradient(90deg,var(--purple-deep),var(--teal-dim) 35%,transparent 70%);
  opacity:.55;
}
.brand{font-weight:700;font-size:14px;letter-spacing:.05em;color:var(--text)}
.brand em{color:var(--teal);font-style:normal}
.brand-row{display:flex;align-items:center;position:relative}
.brand-logo{
  height:50px;width:auto;flex-shrink:0;
  user-select:none;pointer-events:none;
}
.brand-mark{flex-shrink:0}
.hdr-sep{width:1px;height:20px;background:var(--border-bright);flex-shrink:0}
.hdr-tag{font-family:var(--font-mono);font-size:10px;color:var(--text-3);letter-spacing:.07em;text-transform:uppercase}
.hdr-freq{display:none}
.hdr-r{margin-left:auto;display:flex;align-items:center;gap:10px}
.pill{
  font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.05em;text-transform:uppercase;
  padding:4px 10px;border-radius:4px;display:flex;align-items:center;gap:6px;
  border:1px solid var(--border-bright);background:var(--surface-2)
}
.pill-live{color:var(--ok);border-color:rgba(74,222,128,.25)}
.pill-trial{color:#9B8CF2;border-color:rgba(155,140,242,.38);background:rgba(155,140,242,.08)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;animation:blink 2s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:.85}50%{opacity:.3}}
.btn-up{
  font-family:var(--font-sans);font-size:11px;font-weight:700;letter-spacing:.03em;
  padding:8px 16px;border-radius:4px;border:1px solid var(--gold-dim);
  background:var(--gold-surf);color:var(--gold);transition:all .15s
}
.btn-up:hover{background:rgba(232,197,71,.15);border-color:var(--gold)}
.btn-tour{
  font-family:var(--font-sans);font-size:11px;font-weight:700;letter-spacing:.03em;
  padding:8px 14px;border-radius:4px;border:1px solid rgba(167,139,250,.55);
  background:linear-gradient(135deg,rgba(109,40,217,.25),rgba(52,232,208,.08));color:var(--purple-bright);
  box-shadow:0 0 16px rgba(109,40,217,.2);transition:all .15s
}
.btn-tour:hover{background:linear-gradient(135deg,rgba(109,40,217,.38),rgba(52,232,208,.14));border-color:rgba(196,181,253,.85);box-shadow:0 0 22px rgba(167,139,250,.35)}
.btn-practice-hdr{
  font-family:var(--font-sans);font-size:11px;font-weight:700;letter-spacing:.03em;
  padding:8px 14px;border-radius:4px;
  border:1px solid rgba(45,212,191,.55);
  background:linear-gradient(135deg,rgba(45,212,191,.18),rgba(45,212,191,.06));
  color:var(--teal);box-shadow:0 0 14px rgba(45,212,191,.12);transition:all .15s
}
.btn-practice-hdr:hover{background:linear-gradient(135deg,rgba(45,212,191,.28),rgba(45,212,191,.12));border-color:rgba(45,212,191,.85);box-shadow:0 0 22px rgba(45,212,191,.22)}
.btn-theme{
  font-family:var(--font-sans);font-size:14px;line-height:1;
  padding:7px 10px;border-radius:4px;
  border:1px solid var(--border-bright);background:var(--surface-2);
  color:var(--text-2);transition:all .15s
}
.btn-theme:hover{border-color:var(--purple);color:var(--purple-bright)}
.settings-menu{
  position:fixed;
  top:58px;
  right:12px;
  z-index:9300;
  width:276px;
  border-radius:12px;
  border:1px solid rgba(148,163,184,.22);
  background:linear-gradient(180deg,rgba(10,14,18,.96),rgba(6,9,12,.96));
  box-shadow:0 30px 70px rgba(0,0,0,.55);
  padding:10px;
}
.settings-title{font-family:var(--font-sans);font-size:13px;font-weight:800;color:var(--text);padding:6px 8px 10px}
.settings-sep{height:1px;background:rgba(148,163,184,.18);margin:6px 0}
.settings-item{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 10px;
  border-radius:10px;
  border:1px solid rgba(148,163,184,.14);
  background:rgba(148,163,184,.06);
  color:var(--text);
  cursor:pointer;
  font-family:var(--font-mono);
  font-size:11px;
  text-decoration:none;
}
.settings-item:hover{border-color:rgba(45,212,191,.35);background:rgba(45,212,191,.08)}
.settings-item:active{transform:translateY(1px)}
.settings-link{display:flex}
.settings-val{font-family:var(--font-mono);font-size:10px;color:var(--text-3)}
.mobile-menu-btn{
  display:none;
  width:36px;height:36px;border-radius:6px;
  border:1px solid var(--border-bright);
  background:var(--surface-2);color:var(--text);
  font-size:18px;line-height:1;
}

/* ── PANELS ────────────────────────────────────────────────── */
.panel{background:var(--surface);display:flex;flex-direction:column;overflow:hidden}
.panel-label{
  font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text-2);padding:10px 12px 8px;border-bottom:1px solid var(--border);flex-shrink:0
}
.panel-label--row{display:flex;align-items:center;justify-content:space-between}
.panel-proto-tag{font-family:var(--font-mono);font-size:10px;font-weight:700;color:var(--teal);letter-spacing:.05em;text-transform:uppercase}
.panel-left{grid-column:1;grid-row:2;overflow-y:auto;scrollbar-width:none;-ms-overflow-style:none}
.panel-left::-webkit-scrollbar{display:none}
.panel-right{grid-column:3;grid-row:2}
.panel-main{grid-column:2;grid-row:2;background:#050810;display:flex;flex-direction:column;overflow:hidden}
.panel-bottom{
  grid-column:1/-1;grid-row:3;background:var(--surface);
  border-top:1px solid var(--border);display:flex;min-height:140px;max-height:170px;
  position:relative;transition:min-height .2s ease,max-height .2s ease
}
.panel-bottom.compact{min-height:62px;max-height:72px}
.dock-toggle-btn{
  position:absolute;top:8px;right:10px;z-index:2;
  font-family:var(--font-mono);font-size:9px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  border:1px solid var(--border-bright);background:var(--surface-2);color:var(--text-2);padding:3px 8px;border-radius:4px;
  cursor:pointer;transition:all .15s
}
.dock-toggle-btn:hover{color:var(--teal);border-color:rgba(45,212,191,.35)}
.panel-bottom.compact .dock-toggle-btn{top:6px}
.panel-bottom.compact .bot-seg{padding:8px 12px}
.panel-bottom.compact .seg-title{margin-bottom:5px}
.panel-bottom.compact .btn{padding:4px 9px;font-size:9px}
.panel-bottom.compact .stat-val{font-size:12px}
.panel-bottom.compact .log-feed{line-height:1.45}
.panel-bottom.compact .log-entry:nth-child(n+3){display:none}
.panel-bottom.compact .bot-seg:last-child .btns{display:none}
.panel-bottom.compact .bot-seg{justify-content:flex-start}
.bot-seg{
  flex:1;padding:12px 16px;display:flex;flex-direction:column;overflow:hidden
}
.bot-seg+.bot-seg{border-left:1px solid var(--border)}
.bot-seg--clear{
  background:transparent;
  border:none!important;
  pointer-events:none;
  flex-shrink:1;
  min-width:0;
}

/* ── RF STRESS DOCK — beautiful instrument panel ─────────── */
.bot-seg--rf{
  flex:1.6;min-width:260px;max-width:380px;
  background:linear-gradient(135deg,rgba(60,0,0,.55) 0%,rgba(20,0,0,.38) 100%);
  border-left:1px solid rgba(239,68,68,.28)!important;
  box-shadow:inset 1px 0 0 rgba(248,113,113,.08),-4px 0 20px rgba(239,68,68,.06);
}
/* Top row — always visible (compact + expanded) */
.rf-top-row{
  display:flex;align-items:center;gap:10px;
}
.rf-label{
  font-family:var(--font-mono);font-size:9.5px;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:#f87171;flex-shrink:0;
  text-shadow:0 0 10px rgba(239,68,68,.5);
}
.rf-chip{
  font-family:var(--font-mono);font-size:8px;font-weight:700;letter-spacing:.1em;
  padding:2px 8px;border-radius:20px;flex-shrink:0;
  border:1px solid rgba(248,113,113,.35);color:#fca5a5;background:rgba(127,29,29,.4);
  transition:all .25s;
}
.rf-chip.on{
  border-color:rgba(248,113,113,.8);color:#fff;background:rgba(220,38,38,.5);
  box-shadow:0 0 10px rgba(239,68,68,.45),0 0 4px rgba(239,68,68,.6);
  animation:rfPulse 2s ease-in-out infinite;
}
@keyframes rfPulse{
  0%,100%{box-shadow:0 0 8px rgba(239,68,68,.4),0 0 3px rgba(239,68,68,.5)}
  50%{box-shadow:0 0 16px rgba(239,68,68,.7),0 0 8px rgba(239,68,68,.8)}
}
/* Toggle switch */
.rf-toggle{
  width:34px;height:17px;border-radius:9px;flex-shrink:0;
  background:rgba(127,29,29,.5);border:1px solid rgba(248,113,113,.35);
  position:relative;cursor:pointer;transition:all .22s;margin-left:auto;
}
.rf-toggle.on{
  background:rgba(220,38,38,.65);border-color:#ef4444;
  box-shadow:0 0 12px rgba(239,68,68,.5);
}
.rf-toggle-knob{
  position:absolute;top:2px;left:2px;
  width:11px;height:11px;border-radius:50%;
  background:#fca5a5;transition:left .22s,background .22s;
}
.rf-toggle.on .rf-toggle-knob{left:19px;background:#fff}
/* Detail controls — hidden in compact, shown when expanded */
.rf-detail{
  display:flex;flex-direction:column;gap:5px;margin-top:8px;
  overflow:hidden;
}
.panel-bottom.compact .rf-detail{display:none}
.rf-ctrl-line{
  display:flex;align-items:center;gap:7px;
}
.rf-lbl{
  font-family:var(--font-mono);font-size:8px;font-weight:600;letter-spacing:.07em;
  color:#fca5a5;width:36px;flex-shrink:0;text-transform:uppercase;
}
.rf-range{
  flex:1;min-width:60px;height:3px;
  background:rgba(127,29,29,.7);border-radius:2px;cursor:pointer;
  accent-color:#ef4444;
}
.rf-val{
  font-family:var(--font-mono);font-size:8px;color:#fee2e2;
  width:62px;text-align:right;flex-shrink:0;
}
.rf-select{font-size:9px!important;padding:2px 4px!important;background:rgba(40,0,0,.6);border-color:rgba(248,113,113,.3)!important;color:#fecaca!important}
.bot-seg--rf .jam-mhz-input{width:4rem;font-size:9px;padding:2px 4px;background:rgba(40,0,0,.5);border:1px solid rgba(248,113,113,.35);border-radius:3px;color:#fee2e2}
.bot-seg--rf .jam-mhz-suffix{font-size:8px;color:#fca5a5}

.seg-title{
  font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  margin-bottom:8px;color:var(--text-2)
}
.seg-title.teal{color:var(--teal)}
.seg-title.amber{color:var(--gold-dim)}
.seg-title.green{color:var(--ok-dim)}

/* ── SIGNAL LIBRARY (LEFT) ─────────────────────────────────── */
.dev-scroll{flex:none;min-height:120px;max-height:280px;overflow-y:auto;padding:6px}
.sig-picker{display:flex;flex-direction:column;gap:4px;padding:10px 12px 12px;flex-shrink:0;border-bottom:1px solid var(--border)}
.sig-picker .ctrl-lbl{margin-bottom:2px}
.sig-picker-meta{margin-top:6px;display:flex;flex-direction:column;gap:2px}
.sig-picker-meta .src-val{font-family:var(--font-mono);font-size:9px;color:var(--teal);word-break:break-all}
.sig-picker-meta .src-origin{font-family:var(--font-mono);font-size:9px;color:var(--text-3)}
.dev-scroll::-webkit-scrollbar{width:3px}
.dev-scroll::-webkit-scrollbar-thumb{background:var(--border-bright);border-radius:2px}

.dgroup{
  font-family:var(--font-mono);font-size:9px;font-weight:500;color:var(--text-3);
  letter-spacing:.08em;text-transform:uppercase;padding:10px 8px 4px
}
.dgroup--row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.layer-pro-badge{
  font-family:var(--font-mono);
  font-size:9px;
  font-weight:800;
  letter-spacing:.06em;
  color:#9B8CF2;
  border:1px solid rgba(155,140,242,.32);
  background:rgba(155,140,242,.10);
  padding:2px 6px;
  border-radius:999px;
  text-transform:uppercase;
}
.layer-pro-badge--slot2{
  color:#d8b4fe;
  border-color:rgba(216,180,254,.35);
  background:rgba(76,29,149,.24);
}
.layer-pro-badge--slot3{
  color:#fde047;
  border-color:rgba(253,224,71,.34);
  background:rgba(146,64,14,.24);
}
.dgroup.dgroup-click{
  cursor:pointer;
  border:1px solid transparent;
  border-radius:5px;
  margin:2px 4px;
  padding:8px;
}
.dgroup.dgroup-click.locked{opacity:.55;filter:saturate(.85);cursor:not-allowed}
.dgroup.dgroup-click.locked:hover{background:transparent;border-color:transparent}
.dgroup.dgroup-click:hover{background:var(--surface-2);border-color:var(--border-bright);color:var(--text-2)}
.dgroup.dgroup-click.active{
  background:rgba(45,212,191,.08);
  border-color:rgba(45,212,191,.35);
  color:var(--teal);
}
.ditem{
  display:flex;align-items:center;gap:9px;padding:7px 9px;border-radius:5px;
  cursor:pointer;border:1px solid transparent;margin-bottom:2px;
  transition:background .1s,border-color .1s;position:relative
}
.ditem:hover:not(.locked){background:var(--surface-2);border-color:var(--border-bright)}
.ditem.active{background:var(--surface-2);border-color:rgba(45,212,191,.3);
  box-shadow:0 0 0 1px var(--teal-glow),0 0 8px var(--teal-glow)}
.ditem.active::before{
  content:'';position:absolute;left:0;width:3px;top:20%;bottom:20%;
  background:var(--teal);border-radius:0 2px 2px 0
}
.ditem.locked{opacity:.46;cursor:not-allowed;filter:saturate(.85)}
.ditem--nested{margin-left:10px;border-left:2px solid var(--border);padding-left:8px;border-radius:0 5px 5px 0}
.dgroup-chevron{font-size:9px;opacity:.7;margin-right:2px}
.d-icon{font-size:15px;width:22px;text-align:center;flex-shrink:0}
.d-info{flex:1;min-width:0}
.d-name{font-size:11.5px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.d-freq{font-family:var(--font-mono);font-size:9.5px;color:var(--text-3);margin-top:2px}
.d-badge{font-family:var(--font-mono);font-size:9px;font-weight:600;padding:2px 6px;border-radius:3px;flex-shrink:0}
.badge-free{color:var(--teal);border:1px solid rgba(45,212,191,.3);background:rgba(45,212,191,.07)}
.badge-pro{color:var(--gold-dim);border:1px solid rgba(232,197,71,.3);background:var(--gold-surf)}

/* SOURCE INFO BAR */
.source-bar{
  margin:0 8px 8px;
  border-top:1px solid var(--border);
  flex-shrink:0;padding:8px 10px;
  background:var(--bg);border:1px solid var(--border);border-radius:4px;
  font-family:var(--font-mono);font-size:9px;color:var(--text-3);line-height:1.5;
  display:flex;flex-direction:column;gap:2px
}
.source-bar .src-label{color:var(--text-2);font-weight:600}
.source-bar .src-val{color:var(--teal);word-break:break-all}
.source-bar .src-origin{color:var(--text-3)}

/* TX CONTROLS (under library) */
.tx-controls{margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}
.tx-controls .hint{margin-top:2px}
.tx-controls .tx-chip{
  border-color:rgba(155,140,242,.34);
  color:#c9c3ff;
  background:rgba(155,140,242,.09);
}
.tx-controls .tx-chip:hover{
  border-color:rgba(155,140,242,.62);
  color:#ffffff;
  background:rgba(155,140,242,.14);
  box-shadow:0 0 12px rgba(155,140,242,.22);
}
.tx-controls .tx-chip.active{
  border-color:rgba(155,140,242,.78);
  color:#ffffff;
  background:rgba(155,140,242,.18);
  box-shadow:0 0 14px rgba(155,140,242,.26);
}
.tx-controls .tx-btn{
  border-color:rgba(155,140,242,.30);
}
.tx-controls .tx-btn.btn-c{
  background:rgba(155,140,242,.16);
  border-color:rgba(155,140,242,.62);
  color:#ffffff;
}
.tx-controls .tx-btn.btn-c:hover{
  background:rgba(155,140,242,.22);
  border-color:rgba(155,140,242,.82);
}

/* ── CONTROLS ─────────────────────────────────────────────── */
.controls{border-top:1px solid var(--border);padding:10px 12px 18px;flex-shrink:0;overflow-y:visible;max-height:none}
.controls::-webkit-scrollbar{width:3px}
.controls::-webkit-scrollbar-thumb{background:var(--border-bright)}
.ctrl-row{margin-bottom:10px}
.ctrl-row--tight{margin-bottom:8px}
.ctrl-row--btns{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.btn-chip{
  font-family:var(--font-mono);font-size:9px;font-weight:500;letter-spacing:.04em;text-transform:uppercase;
  padding:5px 9px;border-radius:4px;border:1px solid var(--border);background:var(--surface);color:var(--text-2);
  cursor:pointer;transition:color .15s,border-color .15s,background .15s,box-shadow .15s
}
.btn-chip:hover{color:var(--teal);border-color:rgba(45,212,191,.35);background:rgba(45,212,191,.06)}
.btn-chip.active{
  color:var(--teal);border-color:rgba(45,212,191,.7);background:rgba(45,212,191,.12);
  box-shadow:0 0 10px rgba(45,212,191,.25);
}
.ctrl-lbl{
  font-family:var(--font-mono);font-size:9px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  color:var(--text-3);display:flex;justify-content:space-between;margin-bottom:5px
}
.ctrl-val{color:var(--teal);font-weight:600}
input[type=range]{
  -webkit-appearance:none;width:100%;height:3px;
  background:var(--surface-3);border-radius:2px;outline:none
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:13px;height:13px;border-radius:50%;
  background:var(--teal);cursor:pointer;border:2px solid var(--surface);
  box-shadow:0 0 6px var(--teal-glow)
}
select.ctrl-select{
  width:100%;font-family:var(--font-mono);font-size:10px;padding:5px 8px;
  background:var(--surface-2);border:1px solid var(--border-bright);border-radius:4px;
  color:var(--text);outline:none
}

/* JAM BLOCK */
.jam-block{
  margin-top:6px;
  padding:10px;
  border-radius:6px;
  background:linear-gradient(135deg,rgba(127,29,29,.55),rgba(239,68,68,.22));
  border:1px solid rgba(248,113,113,.7);
  box-shadow:0 0 0 1px rgba(239,68,68,.24) inset
}
.jam-block .ctrl-lbl{color:#fecaca}
.jam-block .hint{
  color:#fff1f2;
  opacity:.92;
  font-size:10px;
}
.jam-block .hint strong{color:#ffffff}
.jam-freq-inputs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;width:100%}
.jam-mhz-input{
  width:5.8rem;font-family:var(--font-mono);font-size:10px;padding:4px 6px;
  background:rgba(127,29,29,.35);border:1px solid rgba(248,113,113,.45);border-radius:4px;color:#fee2e2
}
.jam-mhz-suffix{font-family:var(--font-mono);font-size:9px;color:#fecaca;opacity:.85}
.ctrl-row--jam-freq .jam-freq-inputs input[type=range]{flex:1;min-width:120px}
.jam-block input[type=range]{background:rgba(127,29,29,.65)}
.jam-block input[type=range]::-webkit-slider-thumb{
  background:#ef4444;
  border:2px solid #7f1d1d;
}
.jam-btn{
  width:100%;
  margin-top:8px;
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding:8px 12px;
  border-radius:5px;
  border:1px solid #ef4444;
  background:rgba(127,29,29,.58);
  color:#fee2e2;
  transition:all .15s
}
.jam-btn:hover{background:rgba(185,28,28,.62);border-color:#f87171}
.jam-btn.active{
  border-color:#fca5a5;
  color:#fff1f2;
  background:linear-gradient(90deg,rgba(220,38,38,.62),rgba(127,29,29,.72))
}

.relay-panel{margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}
.relay-row{
  display:flex;align-items:center;gap:8px;margin-bottom:8px;
  font-family:var(--font-mono);font-size:10px;color:var(--text-2)
}
.relay-row input{accent-color:var(--teal)}
.hint{font-family:var(--font-mono);font-size:9px;color:var(--text-3);line-height:1.45;margin-top:4px}

/* ── TABS & VIZ ───────────────────────────────────────────── */
.tabs{display:flex;border-bottom:1px solid var(--border);flex-shrink:0;background:var(--surface)}
.tab{
  font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  padding:10px 16px;color:var(--text-3);cursor:pointer;
  border-bottom:2px solid transparent;transition:color .15s,border-color .15s;white-space:nowrap
}
.tab:hover:not(.active){color:var(--text-2)}
.tab.active{color:var(--purple-bright);border-bottom-color:var(--purple);text-shadow:0 0 12px var(--purple-glow)}

.viz-area{
  flex:1;display:flex;flex-direction:column;padding:10px;gap:4px;
  overflow:hidden;min-height:0
}
.wf-wrap{
  flex:1;background:#030508;border:1px solid var(--border);border-radius:6px;
  position:relative;overflow:hidden;min-height:0;
  box-shadow:inset 0 0 24px rgba(0,0,0,.5),0 0 0 1px rgba(167,139,250,.06),0 12px 28px rgba(3,2,8,.55)
}
.wf-wrap canvas{display:block;width:100%;height:100%}
.wf-corner{position:absolute;font-family:var(--font-mono);font-size:9px;color:var(--text-3);letter-spacing:.04em}
.wf-corner.tl{top:8px;left:10px}
.wf-corner.tr{top:8px;right:10px;display:flex;gap:8px}
.wf-corner.bl{bottom:8px;left:10px}
.wf-corner.br{bottom:8px;right:10px}
.sig-tag{
  font-family:var(--font-mono);font-size:9px;font-weight:500;
  padding:2px 7px;border-radius:3px;border:1px solid var(--border);letter-spacing:.05em
}
.tag-live{background:rgba(74,222,128,.1);color:var(--ok);border-color:rgba(74,222,128,.25)}
.tag-stress{background:rgba(239,68,68,.16);color:#fca5a5;border-color:rgba(239,68,68,.45)}

/* Subtle premium degradation cues under heavy stress */
body.rf-stress-ui header{box-shadow:0 0 22px rgba(239,68,68,.14), 0 0 0 1px rgba(239,68,68,.08) inset}
body.rf-stress-ui .pill-live .dot{background:#ef4444;box-shadow:0 0 10px rgba(239,68,68,.55)}
body.rf-stress-ui .panel-main{filter:contrast(1.02) saturate(1.04)}
body.rf-stress-ui .panel-main .sp-wrap{box-shadow:0 0 0 1px rgba(239,68,68,.06), 0 0 26px rgba(239,68,68,.08)}

.sp-wrap{
  height:96px;background:#030508;border:1px solid var(--border);
  border-radius:6px;overflow:hidden;flex-shrink:0;
  box-shadow:inset 0 0 20px rgba(0,0,0,.45),0 0 0 1px rgba(167,139,250,.05)
}
.sp-wrap canvas{display:block;width:100%;height:100%}
.wv-wrap{
  display:none;height:120px;background:var(--bg);border:1px solid var(--border);
  border-radius:6px;overflow:hidden;flex-shrink:0;
  box-shadow:inset 0 0 0 1px rgba(45,212,191,.05)
}
.wv-wrap canvas{display:block;width:100%;height:100%}
.freq-ruler{display:flex;justify-content:space-between;padding:3px 4px 0;flex-shrink:0}
.ftick{font-family:var(--font-mono);font-size:9.5px;color:var(--text-3)}

/* BIT STRIP */
.bit-strip-wrap{
  flex-shrink:0;border-top:1px solid var(--border);
  background:linear-gradient(180deg,rgba(109,40,217,.06),var(--surface));
}
.bit-strip-label{
  font-family:var(--font-mono);font-size:8.5px;line-height:1.35;color:var(--text-3);
  padding:6px 12px 0;letter-spacing:.03em
}
.bit-strip{
  display:flex;gap:4px;padding:7px 12px;
  overflow-x:auto;min-height:42px;background:transparent;
  align-items:flex-start
}
.bit-strip::-webkit-scrollbar{height:3px}
.bit-strip::-webkit-scrollbar-thumb{background:var(--border-bright)}
.bgroup{display:flex;flex-direction:column;align-items:center;gap:3px;flex-shrink:0}
.blabel{font-family:var(--font-mono);font-size:8.5px;color:var(--text-3)}
.bbits{display:flex;gap:2px}
.bbit{
  width:10px;height:16px;border-radius:2px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:8.5px;font-weight:600;color:var(--bg)
}
.bbit.pre{background:#6b7280;color:var(--text-2)}
.bbit.addr{background:var(--teal)}
.bbit.cmd{background:var(--gold);color:var(--bg)}
.bbit.chk{background:#8b9aac;color:var(--bg)}
.bbit.data{background:var(--gps);color:var(--bg)}

/* ── DEVICE SIMULATOR (RIGHT) ─────────────────────────────── */
.sig-panel{position:relative;flex-shrink:0;padding:8px 12px;display:flex;flex-direction:column;gap:6px;border-bottom:1px solid var(--border)}
.sig-focus-row{margin-bottom:2px;gap:5px}
.sig-focus-row #focusBtn2,
.sig-focus-row #focusBtn3{
  font-weight:800;
  color:var(--text);
  border-color:rgba(232,197,71,.28);
  box-shadow:0 0 0 1px rgba(232,197,71,.08) inset;
}
.sig-focus-row #focusBtn2:hover,
.sig-focus-row #focusBtn3:hover{
  border-color:rgba(232,197,71,.45);
  box-shadow:0 0 12px rgba(232,197,71,.14);
}
.sim-area{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px;min-height:0}
.sim-area::-webkit-scrollbar{width:3px}
.imm-title{
  font-family:var(--font-mono);font-size:9.5px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--text-3);margin-bottom:7px
}

/* Car scene */
.car-scene{
  position:relative;padding:10px;background:var(--surface-2);
  border:1px solid var(--border-bright);border-radius:8px
}
.led-pill{
  position:absolute;top:13px;right:13px;width:10px;height:10px;
  border-radius:50%;border:2px solid var(--border-bright);z-index:2
}
.car-scene[data-state=locked] .led-pill{background:var(--gold-dim);box-shadow:0 0 0 2px rgba(232,197,71,.2)}
.car-scene[data-state=unlocked] .led-pill{background:var(--teal);box-shadow:0 0 0 2px var(--teal-glow)}
.car-viewport{
  border-radius:5px;overflow:hidden;border:1px solid var(--border);
  transition:box-shadow .25s;position:relative
}
.car-viewport.show-doors{box-shadow:0 0 0 2px rgba(232,197,71,.3)}
.car-photo-stack{position:relative;aspect-ratio:16/10;background:var(--bg)}
.car-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .4s ease}
.car-photo--trunk{opacity:0;pointer-events:none}
.car-photo-stack.show-trunk .car-photo--closed{opacity:0}
.car-photo-stack.show-trunk .car-photo--trunk{opacity:1}
/* Fallback gradient for missing images */
.car-photo-stack::before{
  content:'🚗';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:40px;background:linear-gradient(135deg,#111820,#0a1018);z-index:0
}
.car-photo{z-index:1}

.hotspot-bar{display:flex;justify-content:center;gap:7px;margin-top:8px;flex-wrap:wrap}
.hchip{
  font-family:var(--font-mono);font-size:9px;font-weight:500;text-transform:uppercase;letter-spacing:.05em;
  padding:5px 10px;border-radius:4px;border:1px solid var(--border-bright);
  background:var(--surface);color:var(--text-2);transition:border-color .15s,color .15s
}
.hchip:hover{border-color:var(--teal);color:var(--teal)}
.fob-panel{display:grid;grid-template-columns:88px 1fr;gap:10px;align-items:start;margin-top:10px}
.fob-wrap{border-radius:5px;overflow:hidden;border:1px solid var(--border);background:var(--bg);
  display:flex;align-items:center;justify-content:center;aspect-ratio:3/2;font-size:28px}
.fob-actions{display:flex;flex-direction:column;gap:5px}
.fob-key{
  font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  padding:8px 10px;border-radius:4px;border:1px solid var(--border-bright);
  background:var(--surface);color:var(--text);transition:all .15s
}
.fob-key:hover{border-color:var(--teal)}
.fob-key.primary{border-color:var(--gold-dim);background:var(--gold-surf);color:var(--gold)}

/* Doorbell */
.bell-stage{padding:10px;background:var(--surface-2);border:1px solid var(--border-bright);border-radius:8px}
.doorbell-frame{
  position:relative;max-width:200px;margin:0 auto;border-radius:7px;
  overflow:hidden;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  min-height:100px;background:linear-gradient(135deg,#111820,#0a1018)
}
.doorbell-icon{font-size:36px}
.doorbell-push{
  position:absolute;inset:0;border:none;background:transparent;cursor:pointer;
  transition:background .15s
}
.doorbell-push:hover{background:rgba(232,197,71,.08)}
.bell-actions{display:flex;justify-content:center;margin-top:10px}
.bell-scene.ringing .doorbell-frame{animation:bellnudge .28s ease-in-out 4}
@keyframes bellnudge{0%,100%{transform:rotate(0)}25%{transform:rotate(-1.5deg)}75%{transform:rotate(1.5deg)}}

/* Fallback sim card */
.sim-device{
  display:flex;flex-direction:column;align-items:center;
  background:var(--surface-2);border:1px solid var(--border-bright);border-radius:8px;
  padding:14px;text-align:center;transition:border-color .2s
}
.sim-device.active{border-color:rgba(45,212,191,.4)}
.sim-device.jammed{border-color:rgba(239,68,68,.35);
  box-shadow:0 0 12px rgba(239,68,68,.08)}
.sim-icon{font-size:26px;margin-bottom:7px}
.sim-name{font-size:13px;font-weight:600;color:var(--text);margin-bottom:4px}
.sim-status{font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3)}
.sim-device.active .sim-status{color:var(--teal)}
.sim-device.jammed .sim-status{color:var(--bad)}
/* Info table */
.sig-info{
  background:var(--surface-2);border:1px solid var(--border-bright);border-radius:7px;overflow:hidden;
  box-shadow:0 4px 12px rgba(2,8,15,.22)
}
.info-row{
  display:flex;justify-content:space-between;align-items:flex-start;gap:12px;
  padding:7px 12px;border-bottom:1px solid var(--border)
}
.info-row:last-child{border-bottom:none}
.info-row--glossary{align-items:center}
.info-row--glossary .ival{text-align:right}
.panel-proto-inline{display:inline-flex;align-items:center;gap:5px}
.info-chip{
  flex-shrink:0;width:22px;height:22px;padding:0;border-radius:50%;
  border:1px solid var(--border-bright);background:var(--surface);color:var(--text-3);
  font-size:11px;line-height:1;cursor:pointer;transition:border-color .15s,color .15s,background .15s
}
.info-chip:hover{border-color:var(--teal);color:var(--teal);background:var(--surface-2)}
.info-chip:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.info-chip[aria-expanded="true"]{border-color:var(--teal);color:var(--teal)}
.analysis-glossary-popover{
  position:fixed;z-index:12000;max-width:288px;padding:11px 32px 12px 12px;
  background:var(--surface-2);border:1px solid var(--border-bright);border-radius:8px;
  box-shadow:0 10px 36px rgba(0,0,0,.4)
}
.analysis-glossary-popover[hidden]{display:none!important}
.analysis-glossary-close{
  position:absolute;top:4px;right:6px;width:26px;height:26px;padding:0;border:none;border-radius:4px;
  background:transparent;color:var(--text-3);font-size:18px;line-height:1;cursor:pointer
}
.analysis-glossary-close:hover{color:var(--text)}
.analysis-glossary-title{
  font-family:var(--font-sans);font-weight:600;font-size:12px;color:var(--text);margin-bottom:6px;padding-right:8px
}
.analysis-glossary-body{
  font-family:var(--font-sans);font-size:11px;line-height:1.5;color:var(--text-2)
}
.analysis-glossary-hint{
  margin-top:9px;padding-top:9px;border-top:1px solid var(--border);
  font-family:var(--font-sans);font-size:10px;line-height:1.45;color:var(--text-3)
}
.ikey{font-family:var(--font-mono);font-size:10px;color:var(--text-3);letter-spacing:.04em;flex-shrink:0;min-width:7.5em;max-width:42%}
.ival{font-family:var(--font-mono);font-size:11px;font-weight:500;color:var(--teal);text-align:right;word-break:break-word;flex:1;min-width:0}
.ival.green{color:var(--ok)}
.ival.amber{color:var(--warn)}
.ival.red{color:var(--bad)}

/* GPS */
.gps-module{
  display:none;background:var(--surface-2);
  border:1px solid rgba(167,139,250,.3);border-radius:8px;padding:12px
}
.gps-module.show{display:block}
.gps-title{font-family:var(--font-mono);font-size:10px;color:var(--gps);letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px}
.gps-map{
  height:84px;background:var(--bg);border-radius:4px;margin-bottom:8px;
  position:relative;overflow:hidden;border:1px solid var(--border)
}
.gps-grid{
  position:absolute;inset:0;opacity:.4;
  background-image:linear-gradient(rgba(167,139,250,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(167,139,250,.08) 1px,transparent 1px);
  background-size:18px 18px
}
.gps-cat{position:absolute;font-size:18px;animation:catmove 12s ease-in-out infinite}
@keyframes catmove{0%{left:18%;top:28%}50%{left:62%;top:48%}100%{left:18%;top:28%}}
.gps-ping{
  position:absolute;width:30px;height:30px;border:1px solid var(--gps);
  border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);
  animation:gping 2.2s ease-out infinite;opacity:0
}
@keyframes gping{0%{transform:translate(-50%,-50%) scale(0);opacity:.5}100%{transform:translate(-50%,-50%) scale(2.2);opacity:0}}
.gps-row{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px solid var(--border);font-size:11px}
.gps-row:last-child{border-bottom:none}

/* ── BOTTOM BAR ────────────────────────────────────────────── */
.challenge-desc{font-size:12px;line-height:1.5;color:var(--text-2);margin-bottom:7px;flex:1}
.challenge-hint{
  font-family:var(--font-mono);font-size:10px;line-height:1.4;color:var(--text-3);
  margin-bottom:8px
}
.prog-bar{height:3px;background:var(--surface-3);border-radius:2px;overflow:hidden;margin-bottom:8px}
.prog-fill{height:100%;background:linear-gradient(90deg,var(--gold-dim),var(--gold));transition:width .4s ease}
.btns{display:flex;flex-wrap:wrap;gap:7px}
.btn{
  font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  padding:6px 12px;border-radius:4px;border:1px solid var(--border-bright);
  background:transparent;color:var(--text-2);transition:all .15s
}
.btn-c{color:var(--teal);border-color:rgba(45,212,191,.3)}
.btn-c:hover{background:rgba(45,212,191,.08)}
.btn-r{color:var(--bad);border-color:rgba(239,68,68,.3)}
.btn-r:hover{background:rgba(239,68,68,.07)}
.btn-g{color:var(--ok);border-color:rgba(74,222,128,.3)}
.btn-g:hover{background:rgba(74,222,128,.07)}
.btn-a{color:var(--gold);border-color:rgba(232,197,71,.3)}
.btn-a:hover{background:var(--gold-surf)}
.btn-p{color:var(--gps);border-color:rgba(167,139,250,.3)}
.btn-p:hover{background:rgba(167,139,250,.08)}
.stat-row{display:flex;gap:18px;flex-wrap:wrap}
.stat-label{font-family:var(--font-mono);font-size:9px;color:var(--text-3);text-transform:uppercase;letter-spacing:.06em}
.stat-val{font-family:var(--font-mono);font-size:15px;font-weight:600;color:var(--teal);transition:color .2s}
.stat-val.green{color:var(--ok)}
.stat-val.red{color:var(--bad)}
.stat-val.amber{color:var(--warn)}
.log-feed{
  font-family:var(--font-mono);font-size:10px;line-height:1.85;
  color:var(--text-3);overflow-y:auto;flex:1
}
.log-entry{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.log-entry .ts{color:var(--text-3);margin-right:8px}
.msg-ok{color:var(--ok)}
.msg-warn{color:var(--warn)}
.msg-err{color:var(--bad)}
.msg-info{color:var(--teal)}

/* ── PRACTICE MODAL ────────────────────────────────────────── */
.practice-modal{
  position:fixed;inset:0;z-index:1100;
  background:rgba(6,5,12,.82);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center
}
.pm-box{
  background:linear-gradient(160deg,#1a1530 0%,#0f0d1c 55%,#091320 100%);
  border:1px solid rgba(167,139,250,.35);
  border-radius:14px;
  box-shadow:0 0 0 1px rgba(52,232,208,.1),0 24px 56px rgba(0,0,0,.7),0 0 60px rgba(109,40,217,.2);
  padding:32px 36px 28px;
  max-width:500px;width:calc(100% - 32px);
  position:relative;
  display:flex;flex-direction:column;gap:16px
}
.pm-close{
  position:absolute;top:14px;right:16px;
  background:none;border:none;color:var(--text-3);font-size:16px;cursor:pointer;padding:4px 8px
}
.pm-close:hover{color:var(--text)}
.pm-header{display:flex;align-items:center;gap:14px;margin-bottom:2px}
.pm-badge{
  font-family:var(--font-mono);font-size:9px;font-weight:700;letter-spacing:.12em;
  padding:3px 10px;border-radius:3px;
  border:1px solid rgba(232,197,71,.45);color:var(--gold);background:rgba(232,197,71,.08)
}
.pm-prog-wrap{flex:1;display:flex;flex-direction:column;gap:4px}
.pm-prog{margin:0}
.pm-task-counter{font-family:var(--font-mono);font-size:9px;color:var(--text-3);letter-spacing:.04em}
.pm-title{
  font-family:var(--font-sans);font-size:15px;font-weight:700;color:#f0ebff;
  line-height:1.4
}
.pm-hint{
  font-family:var(--font-mono);font-size:10px;line-height:1.55;
  color:var(--text-2);
  padding:10px 14px;border-radius:6px;
  background:rgba(109,40,217,.12);border:1px solid rgba(167,139,250,.18)
}
.pm-btns{display:flex;gap:10px;flex-wrap:wrap}
.pm-start-btn,.pm-next-btn{min-width:130px;text-align:center;padding:9px 16px}
.pm-note{
  font-family:var(--font-mono);font-size:9px;color:var(--text-3);line-height:1.45;
  border-top:1px solid var(--border);padding-top:12px;margin-top:2px
}
.pm-scenario-list{display:flex;flex-direction:column;gap:8px;max-height:380px;overflow-y:auto}
.pm-scen-card{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:8px;
  background:rgba(45,212,191,.03);
  border:1px solid rgba(45,212,191,.14);
  transition:border-color .15s,background .15s;
}
.pm-scen-card:hover{background:rgba(45,212,191,.07);border-color:rgba(45,212,191,.32)}
.pm-scen-num{
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  color:var(--teal);width:20px;text-align:center;flex-shrink:0;
  text-shadow:0 0 10px rgba(45,212,191,.5);
}
.pm-scen-info{flex:1;min-width:0}
.pm-scen-title{font-size:12px;font-weight:700;color:var(--text);margin-bottom:2px}
.pm-scen-summary{font-size:10px;color:var(--text-2);line-height:1.4}
.pm-scen-btn{padding:6px 12px!important;font-size:9px!important;flex-shrink:0;min-width:70px}

/* ── LIGHT MODE ─────────────────────────────────────────────── */
body.light-mode{
  --bg:#f4f6f8;
  --surface:#ffffff;
  --header-veil-1:rgba(109,40,217,.07);
  --header-veil-2:rgba(26,143,127,.05);
  --header-grid:rgba(109,40,217,.028);
  --surface-2:#eef0f4;
  --surface-3:#e3e6ec;
  --border:#d0d5de;
  --border-bright:#b8bfcc;
  --text:#1a1d24;
  --text-2:#3d4455;
  --text-3:#7a8296;
  --teal:#1a8f7f;
  --teal-dim:#1a8f7f;
  --teal-glow:rgba(26,143,127,.18);
  --teal-surf:rgba(26,143,127,.07);
  --purple:#6d28d9;
  --purple-bright:#5b21b6;
  --purple-deep:#4c1d95;
  --purple-glow:rgba(109,40,217,.25);
  --gold:#b88a00;
  --gold-dim:#a37700;
  --gold-surf:rgba(184,138,0,.08);
  --ok:#166534;
  --ok-dim:#15803d;
  --warn:#854d0e;
  --bad:#9b1c1c;
  --gps:#4c1d95;
  color-scheme:light
}
body.light-mode header{
  background:var(--surface);
  box-shadow:0 0 24px rgba(109,40,217,.06),inset 0 1px 0 rgba(109,40,217,.05)
}
body.light-mode header::before{opacity:.4}
body.light-mode header::after{
  background:linear-gradient(90deg,var(--purple-deep),var(--teal-dim) 35%,transparent 70%);
  opacity:.35
}
/* light-mode logo: invert so white text stays visible on white header */
body.light-mode .brand-logo{filter:invert(1) hue-rotate(180deg)}
body.light-mode .wf-wrap,body.light-mode .sp-wrap{background:#dde4ef;border-color:rgba(80,110,160,.25)}
body.light-mode .sp-wrap{box-shadow:inset 0 0 12px rgba(80,110,160,.08),0 0 0 1px rgba(80,110,160,.12)}
body.light-mode .guide-card{
  background:linear-gradient(165deg,#ede9fe,#f4f6f8);
  border-color:rgba(109,40,217,.3)
}
body.light-mode .pm-box{
  background:linear-gradient(160deg,#ede9fe 0%,#f9f7ff 55%,#f0f8ff 100%);
  border-color:rgba(109,40,217,.3)
}
body.light-mode .pm-hint{background:rgba(109,40,217,.05);border-color:rgba(109,40,217,.15)}
body.light-mode .jam-block{
  background:linear-gradient(135deg,rgba(250,200,200,.45),rgba(220,100,100,.15));
  border-color:rgba(180,60,60,.55)
}
body.light-mode .jam-block .ctrl-lbl{color:#7f1d1d}
body.light-mode .panel-main{background:#f8faff}
body.light-mode .bit-strip-wrap{background:linear-gradient(180deg,rgba(109,40,217,.04),var(--surface))}
/* ── Bottom dock — light mode ──────────────────────────────── */
body.light-mode .bot-seg--rf{
  background:linear-gradient(135deg,rgba(220,50,50,.08) 0%,rgba(220,50,50,.04) 100%);
  border-left-color:rgba(180,30,30,.25)!important;
  box-shadow:inset 1px 0 0 rgba(180,30,30,.06),-4px 0 16px rgba(180,30,30,.04);
}
body.light-mode .rf-label{color:#9b1c1c;text-shadow:none}
body.light-mode .rf-chip{border-color:rgba(180,30,30,.3);color:#9b1c1c;background:rgba(180,30,30,.08)}
body.light-mode .rf-chip.on{border-color:rgba(180,30,30,.7);color:#fff;background:rgba(185,28,28,.75);box-shadow:0 0 8px rgba(185,28,28,.3)}
body.light-mode .rf-toggle{background:rgba(180,30,30,.12);border-color:rgba(180,30,30,.28)}
body.light-mode .rf-toggle-knob{background:#b91c1c}
body.light-mode .rf-toggle.on{background:rgba(185,28,28,.7);border-color:#b91c1c;box-shadow:0 0 8px rgba(185,28,28,.3)}
body.light-mode .rf-toggle.on .rf-toggle-knob{background:#fff}
body.light-mode .rf-lbl{color:#9b1c1c}
body.light-mode .rf-val{color:#450a0a}
body.light-mode .rf-range{background:rgba(180,30,30,.18);accent-color:#b91c1c}
body.light-mode .rf-select{background:rgba(255,245,245,.9)!important;border-color:rgba(180,30,30,.25)!important;color:#450a0a!important}
body.light-mode .bot-seg--rf .jam-mhz-input{background:rgba(255,245,245,.9);border-color:rgba(180,30,30,.25);color:#450a0a}
body.light-mode .bot-seg--rf .jam-mhz-suffix{color:#9b1c1c}
/* log-feed and seg-title in light mode inherit correctly via CSS vars */
body.light-mode .log-feed{scrollbar-color:rgba(0,0,0,.15) transparent}

/* ── PAYWALL ───────────────────────────────────────────────── */
.paywall{
  position:fixed;inset:0;background:rgba(3,5,8,.94);backdrop-filter:blur(10px);
  z-index:9000;display:none;align-items:center;justify-content:center
}
.paywall.show{display:flex}
.pw-box{
  background:var(--surface);border:1px solid var(--border-bright);border-radius:12px;
  padding:40px 44px;max-width:460px;width:calc(100% - 32px);position:relative;
  box-shadow:0 32px 64px rgba(0,0,0,.6)
}
.pw-box::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--teal),var(--gold));border-radius:12px 12px 0 0
}
.pw-title{font-family:var(--font-sans);font-size:20px;font-weight:700;color:var(--text);margin-bottom:6px}
.pw-sub{font-size:13px;color:var(--text-2);line-height:1.6;margin-bottom:16px}
.pw-source-note{
  background:var(--bg);border:1px solid var(--border-bright);border-radius:6px;
  padding:10px 14px;margin-bottom:18px;font-family:var(--font-mono);font-size:10px;
  color:var(--text-2);line-height:1.6
}
.pw-source-note strong{color:var(--teal);font-weight:600}
.pw-price{font-family:var(--font-sans);font-size:28px;font-weight:700;color:var(--gold);margin-bottom:5px}
.pw-price span{font-size:13px;color:var(--text-3);font-weight:500}
.pw-feats{text-align:left;margin:14px 0 20px;display:flex;flex-direction:column;gap:9px}
.pw-feat{font-size:12px;color:var(--text-2);display:flex;gap:10px}
.pw-feat::before{content:'✓';color:var(--teal);font-weight:700;flex-shrink:0}
.pw-cta{
  width:100%;font-family:var(--font-sans);font-size:12px;font-weight:700;letter-spacing:.03em;
  padding:14px;border:none;border-radius:7px;background:var(--gold);color:var(--bg);
  cursor:pointer;margin-bottom:10px;transition:filter .15s
}
.pw-cta:hover{filter:brightness(1.06)}
.pw-dismiss{font-family:var(--font-mono);font-size:10px;color:var(--text-3);cursor:pointer;text-decoration:underline}
.pw-dismiss:hover{color:var(--text-2)}
.pw-close{
  position:absolute;top:14px;right:16px;width:24px;height:24px;border:none;background:transparent;
  color:var(--text-3);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center
}
.pw-close:hover{color:var(--text)}

/* ── AUTH OVERLAY ─────────────────────────────────────────── */
:root{
  --adaPurpleLight:#B6A9FF;
  --adaPurple:#9B8CF2;
  --adaPurpleDark:#7A6EE6;
}

.auth-overlay{
  position:fixed;inset:0;z-index:9200;
  background:rgba(3,5,8,.72);
  backdrop-filter:blur(10px);
  display:flex;align-items:center;justify-content:center
}
.perf-mode .auth-overlay{backdrop-filter:none}
@media (max-width: 920px){
  .auth-overlay{backdrop-filter:none}
}
.auth-box{
  background:linear-gradient(180deg,rgba(10,14,18,.92),rgba(6,9,12,.92));
  border:1px solid rgba(148,163,184,.22);
  border-radius:18px;
  padding:0;
  max-width:520px;
  width:calc(100% - 28px);
  position:relative;
  overflow:hidden;
  box-shadow:0 40px 90px rgba(0,0,0,.70)
}
.auth-box::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:0; /* remove extra top band */
  background:none;
  border-radius:18px 18px 0 0
}
.auth-hero{
  /* Remove the remaining top “strip” entirely */
  display:none;
}
.auth-hero::after{
  content:'';
  position:absolute;inset:0;
  background:repeating-linear-gradient(
    180deg,
    rgba(155,140,242,.10) 0px,
    rgba(155,140,242,.10) 1px,
    transparent 1px,
    transparent 6px
  );
  opacity:.20;
  animation:authScan 6s linear infinite;
  pointer-events:none;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 85%);
}
@keyframes authScan{
  from{transform:translateY(-24px)}
  to{transform:translateY(24px)}
}
.perf-mode .auth-hero::after{animation:none;opacity:.12}
.auth-hero-glow{
  position:absolute;inset:-60px -40px auto -40px;height:260px;
  background:radial-gradient(closest-side at 35% 40%, rgba(45,212,191,.22), transparent 68%);
  filter:blur(8px);
}
.auth-hero-grid{
  position:absolute;inset:0;
  background:
    linear-gradient(to right, rgba(45,212,191,.10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(45,212,191,.08) 1px, transparent 1px);
  background-size:38px 38px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 90%);
  opacity:.35;
}
.auth-hero-img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center;
  mix-blend-mode:screen;
  opacity:.95;
  filter:saturate(1.05) contrast(1.05);
}
.auth-brand{display:flex;justify-content:center;margin:18px 0 8px;position:relative;z-index:2}
.auth-logo{height:86px;width:auto}
.auth-funline{
  margin:4px 0 6px;
  font-family:var(--font-sans);
  font-size:12px;
  font-weight:700;
  color:rgba(45,212,191,.92);
  text-shadow:0 0 18px rgba(45,212,191,.18);
}
.auth-title{padding:0 20px}
.auth-tabs{padding:0 20px}
.auth-form{padding:0 20px 16px}
.auth-close{
  position:absolute;
  top:10px;
  right:10px;
  z-index:6;
  width:34px;
  height:34px;
  border-radius:12px;
  border:1px solid rgba(155,140,242,.24);
  background:rgba(10,14,18,.55);
  backdrop-filter:blur(6px);
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,.82);
  font-size:18px;
  line-height:1;
  cursor:pointer;
}
.auth-close:hover{color:#fff}
.auth-title{font-family:var(--font-sans);font-size:18px;font-weight:800;color:var(--text);text-align:center;margin-bottom:8px}
.auth-title{text-shadow:0 0 22px rgba(155,140,242,.18)}
.auth-tagline{
  padding:0 20px 6px;
  text-align:center;
  font-family:var(--font-mono);
  font-size:11px;
  color:rgba(182,169,255,.85);
  letter-spacing:.06em;
}
.auth-tab{border-color:rgba(148,163,184,.22)}
.auth-tab.active{border-color:rgba(45,212,191,.55);color:var(--teal);background:rgba(45,212,191,.10)}
.auth-tab.active{border-color:rgba(155,140,242,.70);color:var(--adaPurpleLight);background:rgba(155,140,242,.14);box-shadow:0 0 20px rgba(155,140,242,.16)}
.auth-tabs{display:flex;gap:8px;justify-content:center;margin-bottom:12px;flex-wrap:wrap}
.auth-tab{
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(148,163,184,.22);
  background:rgba(148,163,184,.04);
  color:var(--text-2);
  cursor:pointer;
  transition:background .15s,border-color .15s,color .15s,box-shadow .15s;
}
.auth-tab:hover{border-color:rgba(45,212,191,.35);color:var(--text)}
.auth-tab.active{box-shadow:0 0 18px rgba(45,212,191,.14)}
.auth-in{background:rgba(8,10,12,.92);border-color:rgba(148,163,184,.22)}
.auth-in:focus{outline:none;border-color:rgba(45,212,191,.65);box-shadow:0 0 0 3px rgba(45,212,191,.14)}
.auth-in:focus{border-color:rgba(155,140,242,.75);box-shadow:0 0 0 3px rgba(155,140,242,.16)}
.auth-btn{border-radius:10px}
.auth-status{border-color:rgba(148,163,184,.20);background:rgba(148,163,184,.07)}
.auth-form{display:flex;flex-direction:column;gap:7px}
.auth-lbl{font-family:var(--font-mono);font-size:10px;color:var(--text-3);letter-spacing:.04em}
.auth-in{width:100%;padding:9px 10px;border-radius:10px;font-family:var(--font-mono);font-size:12px;color:var(--text)}
.auth-btn{width:100%;font-family:var(--font-sans);font-size:12px;font-weight:850;letter-spacing:.03em;padding:11px 12px;border:none;cursor:pointer;margin-top:6px;transition:filter .15s}
.auth-btn{
  background:linear-gradient(180deg,rgba(182,169,255,.95),rgba(155,140,242,.92));
  color:#0b0f14;
  box-shadow:0 10px 26px rgba(155,140,242,.18);
}
.auth-btn:hover{filter:brightness(1.03)}
.auth-btn:hover{filter:brightness(1.06)}
.auth-btn-secondary{
  background:rgba(148,163,184,.10);
  border:1px solid rgba(148,163,184,.25);
  color:var(--text);
  margin:0 20px 14px;
  width:calc(100% - 40px);
}
.auth-link{border:none;background:transparent;color:var(--adaPurpleLight);font-family:var(--font-mono);font-size:10px;cursor:pointer;align-self:flex-start;text-decoration:underline;margin-top:2px}
.auth-link:hover{color:var(--text)}
.auth-note{font-size:12px;color:var(--text-3);margin-top:6px;line-height:1.5}
.auth-status{margin-top:12px;border-radius:10px;padding:10px 10px;font-family:var(--font-mono);font-size:10px;color:var(--text-2);line-height:1.6}

/* ── PROTOCOL TOOLTIP ──────────────────────────────────────── */
.proto-explain{
  margin-top:10px;padding:10px;background:var(--bg);border:1px solid var(--border);
  border-radius:5px;font-family:var(--font-mono);font-size:9.5px;line-height:1.65;color:var(--text-2);
  box-shadow:inset 0 1px 4px rgba(0,0,0,.12)
}
.proto-explain .pe-head{color:var(--teal);font-weight:600;margin-bottom:4px;display:block;font-size:10px}

/* SOURCE dropdowns + layered slots */
#sourceLine select.ctrl-select{margin-top:4px}
#layerSlots{display:flex;flex-direction:column;gap:8px}
.layer-card{
  background:var(--surface-2);
  border:1px solid var(--border-bright);
  border-radius:7px;
  padding:10px;
}
.layer-selector-shell{
  background:var(--surface-2);
  border:1px solid var(--border-bright);
  border-radius:8px;
  padding:8px;
  box-shadow:0 8px 18px rgba(2,8,15,.28)
}
.layer-picker-wrap{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:6px;
  padding:8px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.layer-select{margin-bottom:4px}
.layer-int-block{
  margin-top:8px;
  border:1px solid var(--border);
  background:var(--bg);
  border-radius:6px;
  padding:8px;
}
.layer-int-block .ctrl-lbl{color:var(--text-2)}
.layer-int-row{
  display:flex;
  align-items:center;
  gap:8px;
  margin:4px 0 8px;
}
.layer-int-btn{
  margin-top:0;
  width:auto;
  min-width:170px;
  padding:7px 10px;
}
.layer-int-val{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:10px;
  color:var(--text-2);
}
.layer-shell-2{
  border-color:rgba(192,132,252,.55);
  box-shadow:0 0 0 1px rgba(192,132,252,.18) inset;
}
.layer-shell-3{
  border-color:rgba(250,204,21,.55);
  box-shadow:0 0 0 1px rgba(250,204,21,.18) inset;
}
.layer-slot-2{
  border-color:rgba(192,132,252,.55);
  background:linear-gradient(135deg,rgba(192,132,252,.14),rgba(91,33,182,.10));
}
.layer-slot-2 .ctrl-lbl{color:#e9d5ff}
.layer-slot-2 .layer-int-val{color:#d8b4fe}
.layer-slot-3{
  border-color:rgba(250,204,21,.55);
  background:linear-gradient(135deg,rgba(250,204,21,.12),rgba(161,98,7,.09));
}
.layer-slot-3 .ctrl-lbl{color:#fef08a}
.layer-slot-3 .layer-int-val{color:#fde047}
.layer-btn-2{
  border-color:#c084fc;
  background:rgba(76,29,149,.45);
  color:#f5d0fe;
}
.layer-btn-2:hover{border-color:#d8b4fe;background:rgba(76,29,149,.58)}
.layer-btn-2.active{background:linear-gradient(90deg,rgba(192,132,252,.55),rgba(107,33,168,.68));color:#faf5ff;border-color:#d8b4fe}
.layer-btn-3{
  border-color:#eab308;
  background:rgba(146,64,14,.45);
  color:#fef08a;
}
.layer-btn-3:hover{border-color:#fde047;background:rgba(146,64,14,.58)}
.layer-btn-3.active{background:linear-gradient(90deg,rgba(250,204,21,.55),rgba(161,98,7,.68));color:#111827;border-color:#fde047}
.layer-shell-2 .layer-active-card{
  border-color:rgba(192,132,252,.35);
  background:rgba(192,132,252,.10);
}
.layer-shell-3 .layer-active-card{
  border-color:rgba(250,204,21,.35);
  background:rgba(250,204,21,.08);
}
.layer-active-card{
  margin-top:8px;
  border:1px solid rgba(45,212,191,.25);
  background:rgba(45,212,191,.06);
  border-radius:6px;
  padding:8px;
}
.layer-active-card.empty{
  border-color:var(--border);
  background:var(--bg);
}
.layer-active-name{
  font-size:11px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  letter-spacing:.01em;
}
.layer-active-freq{
  margin-top:2px;
  font-family:var(--font-mono);
  font-size:9.5px;
  color:var(--teal);
}
.layer-active-file{
  margin-top:3px;
  font-family:var(--font-mono);
  font-size:9px;
  color:var(--text-3);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.layer-mini-canvas{
  width:100%;
  height:72px;
  display:block;
  border-radius:4px;
  margin-top:8px;
  background:#0b1119;
  border:1px solid var(--border);
}
.layer-mini-spectrum{
  height:56px;
  opacity:.95;
}
/* Source picker + library error + signal layer stack */
.source-bar{display:flex;flex-direction:column;gap:8px;padding:10px 12px;border-top:1px solid var(--border);flex-shrink:0}
.source-picker{display:flex;flex-direction:column;gap:4px}
.source-picker-row{margin-bottom:0!important}
.source-picker-row .ctrl-lbl{min-width:72px}
.src-meta{font-family:var(--font-mono);font-size:9px;color:var(--text-3);line-height:1.4;padding-top:2px}
.src-meta #srcFile{color:var(--teal);margin-right:4px}
.library-error{padding:12px;color:var(--warn);font-size:12px;line-height:1.5;border:1px solid rgba(250,204,21,.25);border-radius:6px;background:var(--gold-surf);margin:6px}
.right-inspector-root{display:flex;flex-direction:column;gap:14px}
.layer-block{border:1px solid var(--border);border-radius:8px;padding:10px;background:var(--surface-2)}
.imm-title-dim{color:var(--text-3)}
.layer-slot{min-height:48px}
.layer-placeholder{font-size:11px;color:var(--text-3);line-height:1.45;padding:8px 4px}
.layer-sig-info{margin-bottom:8px}
.layer-mini-canvas{width:100%;height:72px;display:block;border-radius:4px;background:#0b1119;border:1px solid var(--border);margin-top:8px}
#inspectorRoot{margin-top:10px}
.sim-area .gps-module{margin-top:10px}

/* ── TOUR / PRACTICE GUIDE OVERLAY ──────────────────────────── */
.guide-overlay{
  position:fixed;inset:0;z-index:1200;
  background:transparent; /* dark comes from highlight box-shadow cutout */
}
.practice-guide-overlay{z-index:1210}
.guide-highlight{
  position:fixed;
  border:2.5px solid rgba(45,212,191,1);
  border-radius:10px;
  box-shadow:0 0 0 9999px rgba(2,6,14,.86),0 0 0 5px rgba(45,212,191,.18),0 0 32px rgba(45,212,191,.85);
  pointer-events:none;
}
.practice-guide-highlight{
  border-color:rgba(232,197,71,1);
  box-shadow:0 0 0 9999px rgba(2,6,14,.86),0 0 0 5px rgba(232,197,71,.18),0 0 32px rgba(232,197,71,.85);
}
.guide-card{
  position:fixed;
  background:rgba(10,8,22,.97);
  border:1.5px solid rgba(167,139,250,.75);
  border-radius:10px;
  box-shadow:0 0 0 1px rgba(52,232,208,.2),0 16px 40px rgba(0,0,0,.85),0 0 36px rgba(109,40,217,.45);
  padding:14px;
  color:var(--text);
}
.practice-guide-card{border-color:rgba(232,197,71,.6);box-shadow:0 0 0 1px rgba(232,197,71,.1),0 16px 40px rgba(0,0,0,.85),0 0 36px rgba(232,197,71,.25)}
.guide-card-title{
  font-family:var(--font-sans);font-size:13px;font-weight:700;color:var(--purple-bright);margin-bottom:6px;
  text-shadow:0 0 18px var(--purple-glow);
}
.practice-guide-card .guide-card-title{color:#ffd966;text-shadow:0 0 14px rgba(232,197,71,.6)}
.guide-card-body{
  font-size:12px;line-height:1.55;color:var(--text-2);margin-bottom:10px;
}
.guide-card-body p{margin:0 0 6px}
.guide-card-footer{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
}
.guide-card-footer button{
  font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.04em;
  border:1px solid var(--border-bright);background:var(--surface-2);color:var(--text);
  border-radius:5px;padding:6px 10px;cursor:pointer;transition:border-color .12s,color .12s;
}
.guide-card-footer button:hover{border-color:rgba(45,212,191,.6);color:var(--teal)}
.guide-card-footer button:disabled{opacity:.38;cursor:not-allowed}
.practice-guide-card .guide-card-footer button#practiceNextStepBtn{
  border-color:rgba(232,197,71,.55);color:#ffd966;
}
.practice-guide-card .guide-card-footer button#practiceNextStepBtn:hover:not(:disabled){
  border-color:rgba(232,197,71,.9);background:rgba(232,197,71,.1);
}
.practice-step-status{
  font-size:10px;font-family:var(--font-mono);
  margin-top:6px;padding:4px 8px;border-radius:4px;border:1px solid transparent;
}
.practice-step-status.done{color:#00e5cc;border-color:rgba(0,229,204,.25);background:rgba(0,229,204,.07)}
.practice-step-status.waiting{color:#c9a84c;border-color:rgba(201,168,76,.25);background:rgba(201,168,76,.07)}
#tourFooter{
  display:flex;align-items:center;gap:8px;
}
#tourFooter button{
  font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.04em;
  border:1px solid var(--border-bright);background:var(--surface-2);color:var(--text);
  border-radius:5px;padding:6px 10px;
}
#tourFooter button:hover{border-color:rgba(45,212,191,.45);color:var(--teal)}
#tourFooter button:disabled{opacity:.45;cursor:not-allowed}
#tourCounter{
  margin-left:auto;margin-right:4px;
  font-family:var(--font-mono);font-size:10px;color:var(--text-3);
}

/* ── RESPONSIVE LAYOUT ──────────────────────────────────────── */
@media (max-width: 1023px){
  html,body{overflow:auto}
  .app{
    position:relative;
    inset:auto;
    grid-template-columns:1fr 320px;
    grid-template-rows:56px 1fr auto;
    height:auto;min-height:100vh;
  }
  .mobile-menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .panel-left{
    position:fixed;
    top:56px;bottom:0;
    width:240px;
    left:-240px;
    z-index:100;
    transition:left .3s ease;
    box-shadow:8px 0 20px rgba(0,0,0,.45);
  }
  .panel-left.open{left:0}
  .panel-main{grid-column:1;grid-row:2}
  .panel-right{grid-column:2;grid-row:2}
  .panel-bottom{grid-column:1/-1;grid-row:3;max-height:none}
}

@media (max-width: 767px){
  .app{
    grid-template-columns:1fr;
    grid-template-rows:56px 1fr auto auto;
  }
  header{font-size:12px;gap:8px;padding:8px 10px}
  .hdr-tag{display:none}
  .hdr-r{margin-left:auto;gap:6px}
  .panel-main{grid-column:1;grid-row:2}
  .panel-right{
    grid-column:1;grid-row:3;
    max-height:40vh;
    overflow-y:auto;
  }
  .panel-bottom{grid-column:1;grid-row:4}
  .ctrl-select,.btn-chip{font-size:12px;padding:6px 10px}
  .tabs{overflow-x:auto}
  .tab{padding:10px 12px}
  .source-bar,.controls,.sim-area{padding-left:10px;padding-right:10px}

  /* Minimum 44px tap targets */
  button,.btn,.btn-chip,.ctrl-select,.jam-btn,.fob-key,.dock-toggle-btn,.mobile-menu-btn{
    min-height:44px;
  }
}