/* ============================================================
   NEXEZT v6 — Proving Ground lab + command palette
   (loads after v5/style.css; reuses its tokens)
   ============================================================ */

/* ---------- lab shell ---------- */
.lab {
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background: var(--bg-2);
  overflow: hidden;
}
.lab-tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}
.lab-tab {
  flex: 1;
  min-width: 150px;
  display: flex; align-items: center; gap: 10px;
  padding: 17px 20px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mute);
  border-right: 1px solid var(--line);
  transition: color 0.25s, background 0.25s;
  position: relative;
  white-space: nowrap;
}
.lab-tab:last-child { border-right: 0; }
.lab-tab .tn { color: var(--ember-hi); }
.lab-tab:hover { color: var(--dim); background: var(--panel); }
.lab-tab[aria-selected="true"] { color: var(--ink); background: var(--panel-2); }
.lab-tab[aria-selected="true"]::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--ember);
  box-shadow: 0 0 12px oklch(0.72 0.185 45 / 0.5);
}
.lab-panel { display: none; min-height: 560px; }
.lab-panel.active { display: block; }

/* ---------- shared demo bits ---------- */
.demo-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  background: var(--ember);
  color: #140700;
  font-size: 13.5px; font-weight: 500;
  border-radius: 2px;
  transition: background 0.25s, box-shadow 0.25s;
}
.demo-btn:hover { background: var(--ember-hi); box-shadow: 0 0 24px oklch(0.72 0.185 45 / 0.35); }
.demo-btn:disabled { opacity: 0.45; cursor: default; box-shadow: none; }
.demo-btn.ghost { background: transparent; border: 1px solid var(--line-2); color: var(--dim); }
.demo-btn.ghost:hover { color: var(--ink); border-color: var(--ember); box-shadow: none; }
.demo-note { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; color: var(--mute); }

/* ============================================================
   ARCHITECT
   ============================================================ */
.arch { display: grid; grid-template-columns: 1.05fr 0.95fr; min-height: 560px; }
@media (max-width: 980px) { .arch { grid-template-columns: 1fr; } }
.arch-left { padding: 36px 40px 40px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 26px; }
@media (max-width: 640px) { .arch-left { padding: 24px 20px; } }
.arch-step .q {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 12px;
}
.arch-step .q b { color: var(--ember-hi); font-weight: 400; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 13px;
  color: var(--dim);
  border: 1px solid var(--line-2);
  border-radius: 2px;
  padding: 9px 14px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.chip:hover { color: var(--ink); border-color: var(--ember); }
.chip.sel { color: var(--ink); border-color: var(--ember); background: var(--ember-dim); }
.arch-free {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: 2px;
  color: var(--ink);
  font-family: var(--sans); font-size: 13.5px; font-weight: 300;
  padding: 12px 14px;
  outline: none;
  resize: vertical;
  min-height: 58px;
}
.arch-free:focus { border-color: var(--ember); }
.arch-free::placeholder { color: var(--mute); }
.arch-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: auto; }

/* right: blueprint */
.arch-right { background: rgba(8, 11, 20, 0.6); padding: 36px 40px 40px; display: flex; flex-direction: column; }
@media (max-width: 640px) { .arch-right { padding: 24px 20px; } }
.bp-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--mute);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.bp-head .st { color: var(--ember-hi); }
.bp-idle {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; text-align: center;
  color: var(--mute);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  line-height: 2;
}
.bp-idle .glyph {
  width: 44px; height: 44px;
  border: 1px solid var(--line-2);
  transform: rotate(45deg);
  display: flex; align-items: center; justify-content: center;
}
.bp-idle .glyph i { width: 10px; height: 10px; background: var(--ember); font-style: normal; box-shadow: 0 0 12px oklch(0.72 0.185 45 / 0.5); }
.bp-thinking { flex: 1; padding-top: 22px; font-family: var(--mono); font-size: 12px; line-height: 2.3; color: var(--dim); }
.bp-thinking .tl::before { content: "▸ "; color: var(--ember-hi); }

.bp-result { flex: 1; padding-top: 20px; display: flex; flex-direction: column; gap: 18px; }
.bp-result .bp-headline { font-family: var(--display); font-size: 21px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.3; }
.bp-result .bp-summary { font-size: 13.5px; font-weight: 300; color: var(--dim); line-height: 1.65; margin: 0; }
.bp-systems { display: flex; flex-direction: column; }
.bp-sys {
  display: flex; align-items: baseline; gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  padding-left: 18px;
}
.bp-sys::before {
  content: "";
  position: absolute; left: 2px; top: 50%;
  width: 7px; height: 7px;
  background: var(--ember);
  transform: translateY(-50%) rotate(45deg);
}
.bp-sys .sn { font-family: var(--mono); font-size: 10px; color: var(--ember-hi); letter-spacing: 0.1em; min-width: 24px; }
.bp-sys .st2 { font-size: 14px; color: var(--ink); }
.bp-sys .sr { font-size: 12px; font-weight: 300; color: var(--mute); margin-left: auto; text-align: right; max-width: 46%; }
.bp-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.bp-stats > div { background: var(--bg-2); padding: 12px 14px; }
.bp-stats .l { font-family: var(--mono); font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mute); }
.bp-stats .v { margin-top: 4px; font-family: var(--display); font-size: 17px; font-weight: 500; color: var(--ember-hi); }
.bp-cta-row { display: flex; gap: 10px; flex-wrap: wrap; }
.bp-followup { display: flex; gap: 0; border: 1px solid var(--line-2); border-radius: 2px; overflow: hidden; }
.bp-followup input {
  flex: 1; background: transparent; border: 0; outline: none;
  color: var(--ink);
  font-family: var(--sans); font-size: 13px; font-weight: 300;
  padding: 11px 13px;
}
.bp-followup input::placeholder { color: var(--mute); }
.bp-followup button { background: var(--panel-2); padding: 0 16px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--ember-hi); }
.bp-followup button:hover { background: var(--ember-dim); }
.bp-answer { font-size: 13px; font-weight: 300; color: var(--dim); line-height: 1.7; border-left: 1px solid var(--ember); padding-left: 14px; margin: 0; }

/* ============================================================
   DOCUMENT AI DEMO
   ============================================================ */
.docdemo { display: grid; grid-template-columns: 1fr 1fr; min-height: 560px; }
@media (max-width: 980px) { .docdemo { grid-template-columns: 1fr; } }
.doc-stage { padding: 34px 38px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 20px; }
@media (max-width: 640px) { .doc-stage { padding: 22px 18px; } }
.doc-toolbar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.invoice {
  position: relative;
  background: #f4f2ec;
  color: #1c1e26;
  border-radius: 3px;
  padding: 26px 28px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.8;
  box-shadow: 0 16px 48px -16px rgba(0,0,0,0.8);
  overflow: hidden;
  flex: 1;
}
.invoice .inv-co { font-family: var(--display); font-size: 16px; font-weight: 600; letter-spacing: 0.02em; color: #14161e; line-height: 1.3; }
.invoice .inv-row { display: flex; justify-content: space-between; gap: 18px; align-items: baseline; }
.invoice .inv-sec { margin-top: 14px; padding-top: 12px; border-top: 1px solid rgba(20,22,30,0.18); }
.invoice table { width: 100%; border-collapse: collapse; margin-top: 6px; }
.invoice td { padding: 3px 0; }
.invoice td:last-child { text-align: right; }
.invoice .total-row { font-weight: 600; border-top: 1px solid rgba(20,22,30,0.3); }
.inv-field { position: relative; padding: 1px 3px; margin: -1px -3px; border-radius: 2px; transition: background 0.4s, box-shadow 0.4s; }
.inv-field.hit { background: oklch(0.72 0.185 45 / 0.28); box-shadow: 0 0 0 1px var(--ember); }
.scanline {
  position: absolute; left: 0; right: 0; top: -4px; height: 3px;
  background: linear-gradient(90deg, transparent, var(--ember), transparent);
  box-shadow: 0 0 18px oklch(0.72 0.185 45 / 0.7);
  opacity: 0;
  transition: top 0.28s linear, opacity 0.3s;
  pointer-events: none;
}
.doc-out { padding: 34px 38px; display: flex; flex-direction: column; }
@media (max-width: 640px) { .doc-out { padding: 22px 18px; } }
.doc-out-head {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--mute);
  padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.doc-out-head .st { color: var(--ember-hi); }
.xrows { padding-top: 8px; }
.xrow {
  display: grid; grid-template-columns: 1fr 1.1fr 64px;
  gap: 14px; align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  opacity: 0.25;
  transition: opacity 0.4s;
}
.xrow.live { opacity: 1; }
.xrow .xl { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute); }
.xrow .xv { font-family: var(--mono); font-size: 12.5px; color: var(--ink); min-height: 17px; }
.xrow .xc { font-family: var(--mono); font-size: 10.5px; color: var(--ok); text-align: right; }
.doc-verdict {
  margin-top: auto;
  padding: 16px 18px;
  border: 1px solid var(--line-2);
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; line-height: 2;
  color: var(--dim);
  opacity: 0;
}
.doc-verdict.show { opacity: 1; border-color: oklch(0.78 0.12 165 / 0.4); }
.doc-verdict .okx { color: var(--ok); }

/* ============================================================
   VOICE DEMO
   ============================================================ */
.voicedemo { display: grid; grid-template-columns: 0.9fr 1.1fr; min-height: 560px; }
@media (max-width: 980px) { .voicedemo { grid-template-columns: 1fr; } }
.call-panel { padding: 34px 38px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 24px; }
@media (max-width: 640px) { .call-panel { padding: 22px 18px; } }
.call-card {
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  padding: 26px;
  background: rgba(8, 11, 20, 0.6);
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  text-align: center;
}
.call-card .cnum { font-family: var(--mono); font-size: 15px; color: var(--ink); letter-spacing: 0.04em; }
.call-card .cstate { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--mute); }
.call-card .cstate.live { color: var(--ember-hi); }
.callwave { display: flex; align-items: center; gap: 3px; height: 44px; }
.callwave i {
  width: 3px; height: 6px;
  background: var(--mute);
  font-style: normal;
  transition: height 0.18s ease, background 0.18s;
}
.callwave.talking i { background: var(--ember); box-shadow: 0 0 6px oklch(0.72 0.185 45 / 0.5); }
.call-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); width: 100%; }
.call-meta > div { background: var(--bg-2); padding: 11px 13px; text-align: left; }
.call-meta .l { font-family: var(--mono); font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mute); }
.call-meta .v { font-family: var(--mono); font-size: 13px; color: var(--ink); margin-top: 3px; }
.call-outcome {
  border: 1px solid oklch(0.78 0.12 165 / 0.4);
  padding: 16px 18px;
  font-family: var(--mono); font-size: 11px; line-height: 2;
  letter-spacing: 0.08em;
  color: var(--dim);
  opacity: 0;
}
.call-outcome.show { opacity: 1; }
.call-outcome .okx { color: var(--ok); }
.transcript { padding: 34px 38px; display: flex; flex-direction: column; gap: 0; overflow: hidden; }
@media (max-width: 640px) { .transcript { padding: 22px 18px; } }
.tr-head {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--mute);
  padding-bottom: 14px; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between;
}
.tr-body { padding-top: 18px; display: flex; flex-direction: column; gap: 14px; flex: 1; justify-content: flex-end; }
.utt { display: flex; flex-direction: column; gap: 4px; max-width: 88%; }
.utt .who { font-family: var(--mono); font-size: 9px; letter-spacing: 0.2em; color: var(--mute); }
.utt .say { font-size: 13.5px; font-weight: 300; line-height: 1.55; color: var(--dim); border: 1px solid var(--line); padding: 10px 14px; border-radius: 2px; }
.utt.agent { align-self: flex-start; }
.utt.agent .who { color: var(--ember-hi); }
.utt.agent .say { border-color: oklch(0.72 0.185 45 / 0.3); background: oklch(0.72 0.185 45 / 0.05); color: var(--ink); }
.utt.caller { align-self: flex-end; align-items: flex-end; }

/* ============================================================
   ROI CALCULATOR
   ============================================================ */
.roi { display: grid; grid-template-columns: 1fr 1fr; min-height: 560px; }
@media (max-width: 980px) { .roi { grid-template-columns: 1fr; } }
.roi-in { padding: 36px 40px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 30px; }
@media (max-width: 640px) { .roi-in { padding: 24px 20px; } }
.roi-field .rf-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.roi-field .rf-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mute); }
.roi-field .rf-val { font-family: var(--display); font-size: 19px; font-weight: 500; color: var(--ink); }
.roi-field input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 2px;
  background: var(--line-2);
  outline: none;
}
.roi-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 15px; height: 15px;
  background: var(--ember);
  border-radius: 2px;
  cursor: pointer;
  box-shadow: 0 0 12px oklch(0.72 0.185 45 / 0.5);
  border: 0;
}
.roi-field input[type="range"]::-moz-range-thumb {
  width: 15px; height: 15px;
  background: var(--ember);
  border-radius: 2px;
  cursor: pointer;
  border: 0;
  box-shadow: 0 0 12px oklch(0.72 0.185 45 / 0.5);
}
.roi-out { padding: 36px 40px; display: flex; flex-direction: column; gap: 24px; background: rgba(8, 11, 20, 0.6); }
@media (max-width: 640px) { .roi-out { padding: 24px 20px; } }
.roi-big .l { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--mute); }
.roi-big .v {
  font-family: var(--display);
  font-size: clamp(40px, 4.6vw, 58px);
  font-weight: 500; letter-spacing: -0.02em;
  color: var(--ember);
  text-shadow: 0 0 36px oklch(0.72 0.185 45 / 0.3);
  line-height: 1.1;
}
.roi-big .s { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; color: var(--mute); margin-top: 4px; }
.roi-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.roi-pair > div { background: var(--bg-2); padding: 14px 16px; }
.roi-pair .l { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mute); }
.roi-pair .v { margin-top: 5px; font-family: var(--display); font-size: 21px; font-weight: 500; color: var(--ink); }
.roi-bars { display: flex; flex-direction: column; gap: 12px; }
.roi-bar .bl { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mute); margin-bottom: 6px; }
.roi-bar .track { height: 10px; background: var(--panel); border: 1px solid var(--line); }
.roi-bar .fillb { height: 100%; background: var(--mute); transition: width 0.5s var(--ease); }
.roi-bar.nx .fillb { background: var(--ember); box-shadow: 0 0 14px oklch(0.72 0.185 45 / 0.4); }
.roi-note { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; color: var(--mute); line-height: 1.9; margin-top: auto; }

/* ============================================================
   COMMAND PALETTE
   ============================================================ */
.cmdk-hint {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--mute);
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: color 0.25s, border-color 0.25s;
}
.cmdk-hint:hover { color: var(--ink); border-color: var(--line-2); cursor: pointer; }
.cmdk-hint kbd { font-family: var(--mono); font-size: 10px; background: var(--panel-2); padding: 1px 5px; border-radius: 2px; }
.cmdk-hint, .nav-links a, .nav-status { white-space: nowrap; }
@media (max-width: 1280px) { .nav-status { display: none; } }
@media (max-width: 1080px) { .cmdk-hint { display: none; } }
.cmdk-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(4, 6, 11, 0.7);
  backdrop-filter: blur(6px);
  display: none;
  align-items: flex-start; justify-content: center;
  padding-top: 14vh;
}
.cmdk-overlay.open { display: flex; }
.cmdk {
  width: min(560px, calc(100vw - 32px));
  background: rgba(10, 13, 24, 0.97);
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: 0 40px 120px -20px rgba(0,0,0,0.9), 0 0 0 1px rgba(0,0,0,0.5);
}
.cmdk-input {
  width: 100%;
  background: transparent; border: 0; outline: none;
  color: var(--ink);
  font-family: var(--mono); font-size: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}
.cmdk-input::placeholder { color: var(--mute); }
.cmdk-list { max-height: 320px; overflow-y: auto; padding: 8px; }
.cmdk-item {
  display: flex; align-items: center; gap: 12px;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border-radius: 4px;
  color: var(--dim);
  font-size: 13.5px;
}
.cmdk-item .ki { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute); min-width: 58px; }
.cmdk-item.hot { background: var(--ember-dim); color: var(--ink); }
.cmdk-item.hot .ki { color: var(--ember-hi); }
.cmdk-foot {
  display: flex; gap: 16px;
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 9.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--mute);
}