/* ─── PROGRAM STUDIO v2 — extra styles ─────────────────────────── */

/* Top tab bar (NEW) */
.studio-tab-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 24px;
  background: #fff;
  border-bottom: 1px solid var(--hairline);
}
.studio-tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 16px 14px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .12s, border-color .12s;
  position: relative;
}
.studio-tab:hover { color: var(--ink); }
.studio-tab.active {
  color: var(--brand-teal);
  border-bottom-color: var(--brand-teal);
  font-weight: 600;
}
.studio-tab-badge {
  background: var(--brand-copper);
  color: var(--brand-black);
  font-size: 10px; font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
}
.studio-copilot-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  margin: 8px 0;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(234,160,122,0.18), rgba(234,160,122,0.05));
  border: 1px solid rgba(234,160,122,0.3);
  color: var(--brand-copper-deep);
  font-size: 12.5px;
  font-weight: 600;
  transition: all .12s;
}
.studio-copilot-btn:hover {
  background: linear-gradient(135deg, rgba(234,160,122,0.28), rgba(234,160,122,0.1));
  transform: translateY(-1px);
}
.kbd-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(234,160,122,0.18);
  border: 1px solid rgba(234,160,122,0.3);
}

/* ─── Enhanced pipeline ───────────────────────────────────────── */

.pipe-funnel-stat {
  display: flex; flex-direction: row; align-items: center; gap: 6px;
  padding: 8px 16px;
  background: var(--brand-teal);
  color: #fff;
  border-radius: 10px;
  margin-right: 8px;
  white-space: nowrap;
}
.pipe-funnel-num { font-family: var(--font-serif); font-size: 18px; line-height: 1; }
.pipe-funnel-stat .muted { color: rgba(255,255,255,0.7); font-size: 12px; }

.pipeline-source-card, .pipeline-output-card {
  width: 100%;
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px;
  background: var(--paper-warm);
  border: 1px dashed var(--hairline);
  border-radius: var(--r-md);
}
.ps-count {
  display: flex; flex-direction: column; align-items: flex-end;
  padding-left: 14px; border-left: 1px solid var(--hairline);
}
.ps-count-num { font-family: var(--font-serif); font-size: 24px; line-height: 1; color: var(--ink); }

.pipeline-output-card { flex-direction: column; align-items: stretch; padding: 0; background: #fff; border-style: solid; }
.po-card-head { padding: 14px 20px; border-bottom: 1px solid var(--hairline); }
.po-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }

.po-box {
  padding: 22px 20px;
  border-right: 1px solid var(--hairline);
  display: flex; flex-direction: column; gap: 4px;
  position: relative; overflow: hidden;
}
.po-box:last-child { border-right: 0; }
.po-box::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: currentColor; opacity: 0.6;
}
.po-box.outcome-eligible { color: var(--ok); background: linear-gradient(180deg, rgba(27,65,73,0.04), transparent); }
.po-box.outcome-review { color: var(--warn); background: linear-gradient(180deg, rgba(180,83,9,0.04), transparent); }
.po-box.outcome-rejected { color: var(--bad); background: linear-gradient(180deg, rgba(163,48,40,0.04), transparent); }
.po-box-pct { font-family: var(--font-serif); font-size: 44px; line-height: 1; }
.po-box-pctsign { font-size: 22px; opacity: 0.6; }
.po-box-label { font-weight: 700; font-size: 14px; margin-top: 4px; color: var(--ink); }
.po-box-sub { font-size: 12px; color: var(--muted); }

/* Case-flow indicator on each rule node */
.pipe-node-impact {
  margin-top: 6px;
  padding: 4px 8px;
  background: rgba(180, 83, 9, 0.08);
  color: var(--warn);
  border-radius: 6px;
  font-size: 11px;
  display: flex; align-items: center; gap: 4px;
}
.pipe-node-impact.ok {
  background: rgba(27, 65, 73, 0.06);
  color: var(--ok);
}
.pipe-node-impact .muted { color: inherit; opacity: 0.6; }

/* Smart suggestions card */
.smart-suggestions {
  width: 100%;
  margin-bottom: 18px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(234,160,122,0.1), rgba(234,160,122,0.02));
  border: 1px solid rgba(234,160,122,0.3);
  border-radius: var(--r-md);
}
.suggest-head { display: flex; align-items: center; gap: 8px; }
.suggest-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.suggest-card {
  padding: 12px 14px;
  background: #fff;
  border: 1px solid rgba(234,160,122,0.2);
  border-radius: 10px;
  display: flex; flex-direction: column; gap: 6px;
}
.suggest-tag {
  display: inline-block; align-self: flex-start;
  padding: 2px 8px;
  background: var(--brand-copper);
  color: var(--brand-black);
  font-size: 9.5px; font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 999px;
  text-transform: uppercase;
}
.suggest-title { font-size: 13.5px; font-weight: 600; line-height: 1.35; }
.suggest-reason { font-size: 12px; color: var(--muted); line-height: 1.5; }
.suggest-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 4px; }

/* ─── SIMULATE TAB ──────────────────────────────────────────── */

.studio-simulate { padding: 28px 32px 60px; max-width: 1400px; margin: 0 auto; }
.sim-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; margin-bottom: 22px; }
.sim-controls {
  display: flex; flex-direction: column; gap: 8px;
  min-width: 320px;
}

.sim-running {
  display: flex; flex-direction: column; align-items: center; padding: 40px;
  margin: 30px 0;
}
.sim-running-anim {
  position: relative; width: 80px; height: 80px;
  display: grid; place-items: center;
}
.sim-ring {
  position: absolute; inset: 0; border: 3px solid var(--brand-copper);
  border-radius: 50%; opacity: 0;
  animation: simRing 1.4s infinite;
}
.sim-ring.d1 { animation-delay: 0.4s; }
.sim-ring.d2 { animation-delay: 0.8s; }
@keyframes simRing { 0% { opacity: 0.7; transform: scale(0.5); } 100% { opacity: 0; transform: scale(1.6); } }
.sim-progress {
  width: 280px; height: 4px; background: var(--paper-warm); border-radius: 999px;
  margin-top: 18px; overflow: hidden;
}
.sim-progress-fill {
  height: 100%; background: var(--brand-teal);
  animation: simProg 1.4s ease-out forwards;
}
@keyframes simProg { from { width: 0; } to { width: 100%; } }

.sim-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.sim-kpi {
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  display: flex; flex-direction: column; gap: 6px;
}
.sim-kpi-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); }
.sim-kpi-value { font-family: var(--font-serif); font-size: 32px; line-height: 1; }
.sim-kpi-sub { font-size: 12px; color: var(--muted); }
.sim-kpi.tone-up .sim-kpi-value, .sim-kpi.tone-ok .sim-kpi-value { color: var(--ok); }
.sim-kpi.tone-warn .sim-kpi-value { color: var(--warn); }

.sim-bars { margin-top: 18px; display: flex; flex-direction: column; gap: 12px; }
.dist-bar-row { display: grid; grid-template-columns: 200px 1fr; gap: 14px; align-items: center; }
.dist-bar-label { display: flex; flex-direction: column; gap: 2px; }
.dist-bar { height: 38px; border-radius: 8px; overflow: hidden; display: flex; }
.dist-bar-row.highlight .dist-bar { box-shadow: 0 0 0 2px var(--brand-copper); }
.dist-seg {
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  color: #fff;
  transition: width .5s;
}
.dist-seg.stp { background: #1b4149; }
.dist-seg.review { background: #eaa07a; color: var(--brand-black); }
.dist-seg.rej { background: #a33028; }

.sim-flow { margin-top: 28px; }
.sim-flow-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); margin-bottom: 8px; }
.sim-flow-svg { width: 100%; height: 160px; }

.sim-table-card { margin-top: 18px; }
.sim-table { border: 1px solid var(--hairline); border-radius: var(--r-sm); overflow: hidden; }
.sim-table-row {
  display: grid; grid-template-columns: 80px 1.4fr 1fr 1.2fr 1fr 1.2fr 30px;
  gap: 14px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline);
  align-items: center;
}
.sim-table-row:last-child { border-bottom: 0; }
.sim-table-row.sim-table-head {
  background: var(--paper-soft);
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted);
}
.sim-table-foot { padding: 12px 4px; }
.link { color: var(--brand-teal); text-decoration: underline; font-size: 12px; }

/* ─── VERSIONS TAB ──────────────────────────────────────────── */

.studio-versions { padding: 0; }
.versions-layout { display: grid; grid-template-columns: 320px minmax(0, 1fr); min-height: calc(100vh - 64px - 48px - 56px); }
.versions-timeline {
  padding: 18px 12px;
  background: var(--paper-soft);
  border-right: 1px solid var(--hairline);
  display: flex; flex-direction: column; gap: 4px;
  overflow-y: auto;
}
.version-row {
  display: flex; gap: 12px;
  padding: 14px;
  border-radius: 10px;
  text-align: left;
  transition: background .12s;
}
.version-row:hover { background: var(--paper-warm); }
.version-row.selected { background: #fff; box-shadow: inset 0 0 0 1px var(--brand-teal); }
.version-pip { width: 10px; height: 10px; border-radius: 50%; margin-top: 4px; flex-shrink: 0; }

.versions-main { padding: 28px 32px; overflow-y: auto; }
.diff-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 18px; gap: 14px; flex-wrap: wrap; }
.diff-ref {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px;
  background: var(--paper-warm);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}
.diff-ref.draft { background: rgba(234,160,122,0.15); border-color: rgba(234,160,122,0.4); color: var(--brand-copper-deep); }

.diff-stats { display: flex; gap: 10px; margin-bottom: 18px; }
.diff-stat {
  padding: 10px 16px;
  border-radius: 8px;
  display: flex; align-items: center; gap: 10px;
}
.diff-stat-count { font-family: var(--font-serif); font-size: 22px; line-height: 1; }
.diff-stat.tone-copper { background: rgba(234,160,122,0.15); color: var(--brand-copper-deep); }
.diff-stat.tone-ok { background: var(--ok-bg); color: var(--ok); }
.diff-stat.tone-bad { background: var(--bad-bg); color: var(--bad); }
.diff-stat.tone-ghost { background: var(--paper-soft); color: var(--muted); }

.diff-block {
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  margin-bottom: 14px;
  overflow: hidden;
  background: #fff;
}
.diff-block.kind-added { border-color: rgba(27,65,73,0.3); }
.diff-block.kind-removed { border-color: rgba(163,48,40,0.3); }

.diff-block-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px;
  background: var(--paper-soft);
  border-bottom: 1px solid var(--hairline);
}
.diff-marker { width: 4px; height: 18px; border-radius: 2px; }
.diff-tag {
  padding: 2px 7px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 9.5px; font-weight: 700; letter-spacing: 0.06em;
}
.diff-tag.modified { background: rgba(234,160,122,0.18); color: var(--brand-copper-deep); }
.diff-tag.added { background: var(--ok-bg); color: var(--ok); }
.diff-tag.removed { background: var(--bad-bg); color: var(--bad); }

.diff-rows, .diff-block-body { padding: 12px 16px; }
.diff-row {
  display: grid;
  grid-template-columns: 120px 1fr 16px 1fr;
  gap: 12px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed var(--hairline-soft);
}
.diff-row:last-of-type { border-bottom: 0; }
.diff-key { font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.diff-side { display: flex; align-items: center; gap: 6px; padding: 4px 8px; border-radius: 6px; }
.diff-from { background: var(--bad-bg); color: var(--bad); }
.diff-to { background: var(--ok-bg); color: var(--ok); }
.diff-sign { font-family: var(--font-mono); font-weight: 700; }
.diff-impact {
  display: flex; gap: 8px; align-items: center;
  margin-top: 10px;
  padding: 8px 10px;
  background: rgba(234,160,122,0.08);
  border-radius: 6px;
}

.diff-block-body.added { background: rgba(27,65,73,0.04); }
.diff-block-body.removed { background: rgba(163,48,40,0.04); }

/* ─── APPROVAL TAB ──────────────────────────────────────────── */

.studio-approval { padding: 28px 32px 60px; max-width: 1400px; margin: 0 auto; }
.appr-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; align-items: start; }

.appr-pr-head { padding-bottom: 22px; border-bottom: 1px solid var(--hairline); margin-bottom: 22px; }

.appr-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--hairline); padding-bottom: 0; margin-bottom: 24px; }
.appr-tab {
  padding: 10px 14px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}
.appr-tab.active { color: var(--brand-teal); border-bottom-color: var(--brand-teal); font-weight: 600; }

.appr-thread { display: flex; flex-direction: column; gap: 18px; }
.comment {
  display: flex; gap: 12px;
}
.comment-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--brand-teal); color: #fff;
  display: grid; place-items: center;
  font-size: 11px; font-weight: 700;
  flex-shrink: 0;
}
.comment-body {
  flex: 1; min-width: 0;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 14px 16px;
}
.comment.approved .comment-body { border-color: rgba(27,65,73,0.3); }
.comment.changes-requested .comment-body { border-color: rgba(180,83,9,0.3); }
.comment-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.comment-target {
  display: inline-flex; gap: 6px; align-items: center;
  margin-top: 8px;
  padding: 6px 10px;
  background: var(--paper-warm);
  border-radius: 6px;
  font-size: 12px;
  border-left: 3px solid var(--brand-copper);
}
.comment-text { font-size: 14px; line-height: 1.55; margin-top: 8px; color: var(--ink-soft); }
.comment-actions { display: flex; gap: 4px; margin-top: 10px; }
.comment-compose .comment-body { background: var(--paper-soft); }

.appr-sidebar { display: flex; flex-direction: column; gap: 14px; position: sticky; top: 100px; }
.reviewer-list { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.reviewer-row {
  display: flex; gap: 10px; align-items: center;
  padding: 10px;
  background: var(--paper-soft);
  border-radius: 8px;
}

.checklist { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.check-row { display: flex; gap: 10px; align-items: center; padding: 6px 0; }
.check-row.status-done .check-pip { background: var(--ok-bg); color: var(--ok); }
.check-row.status-warning .check-pip { background: var(--warn-bg); color: var(--warn); }
.check-row.status-in-progress .check-pip { background: rgba(234,160,122,0.15); color: var(--brand-copper-deep); }
.check-pip {
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.check-spin {
  width: 10px; height: 10px; border-radius: 50%;
  border: 2px solid currentColor; border-top-color: transparent;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.appr-step { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; }
.appr-step-pip {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--paper-warm); border: 2px solid var(--hairline);
  display: grid; place-items: center;
  flex-shrink: 0; margin-top: 1px;
}
.appr-step.done .appr-step-pip { background: var(--brand-teal); border-color: var(--brand-teal); color: #fff; }
.appr-step.current .appr-step-pip { background: var(--brand-copper); border-color: var(--brand-copper); color: var(--brand-black); }

/* ─── DEPLOY TAB ─────────────────────────────────────────────── */

.studio-deploy { padding: 28px 32px 60px; max-width: 1400px; margin: 0 auto; }
.deploy-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; margin-bottom: 22px; }

.deploy-phases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 22px; }
.phase-card {
  padding: 18px;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  display: flex; flex-direction: column; gap: 10px;
}
.phase-card.active { border-color: var(--brand-copper); box-shadow: 0 0 0 3px rgba(234,160,122,0.15); }
.phase-card.done { border-color: rgba(27,65,73,0.3); }
.phase-card.locked { opacity: 0.6; }

.phase-head { display: flex; gap: 12px; align-items: center; }
.phase-pip {
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-serif); font-size: 16px;
  flex-shrink: 0;
}
.phase-pip.done { background: var(--brand-teal); color: #fff; }
.phase-pip.active { background: var(--brand-copper); color: var(--brand-black); }
.phase-pip.pending { background: var(--paper-warm); color: var(--muted); }
.phase-when { font-size: 12px; color: var(--muted); }
.phase-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding-top: 10px; border-top: 1px dashed var(--hairline); }
.phase-metric { display: flex; flex-direction: column; gap: 2px; }

.deploy-grid { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 14px; align-items: start; }
.deploy-field { margin-top: 14px; }
.deploy-field .field-label { margin-bottom: 8px; }

.traffic-vis { margin-top: 6px; }
.traffic-bar { height: 8px; background: var(--paper-warm); border-radius: 999px; overflow: hidden; }
.traffic-fill { height: 100%; background: linear-gradient(90deg, var(--brand-teal), var(--brand-copper)); transition: width .2s; }
.traffic-labels { display: flex; justify-content: space-between; margin-top: 6px; }

.guardrail-list { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.guardrail-row {
  display: flex; gap: 10px; align-items: center;
  padding: 10px 12px;
  background: var(--paper-soft);
  border-radius: 8px;
}
.guardrail-icon {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.guardrail-icon.status-ok { background: var(--ok-bg); color: var(--ok); }

.deploy-live { display: flex; flex-direction: column; gap: 12px; }
.deploy-chart-x { display: flex; justify-content: space-between; margin-top: 4px; }
.deploy-events { display: flex; flex-direction: column; gap: 8px; padding-top: 8px; border-top: 1px solid var(--hairline); }
.deploy-event {
  display: flex; gap: 10px; align-items: center;
  padding: 8px 0;
}

/* ─── COPILOT OVERLAY ────────────────────────────────────────── */

.copilot-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(20, 30, 28, 0.4);
  display: flex; align-items: flex-end; justify-content: center;
  padding-bottom: 80px;
  animation: fadeIn .15s;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.copilot-panel {
  width: min(680px, 90vw);
  max-height: 70vh;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  overflow: hidden;
  animation: slideUp .25s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.copilot-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid var(--hairline);
  background: linear-gradient(135deg, rgba(234,160,122,0.08), rgba(234,160,122,0.02));
}
.copilot-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--brand-copper), var(--brand-copper-deep));
  color: #fff;
  display: grid; place-items: center;
}

.copilot-thread {
  flex: 1; overflow-y: auto;
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
}
.copilot-msg { display: flex; gap: 10px; align-items: flex-start; }
.copilot-msg.you { flex-direction: row-reverse; }
.copilot-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--brand-copper); color: var(--brand-black);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.copilot-bubble {
  max-width: 480px;
  padding: 12px 14px;
  background: var(--paper-soft);
  border-radius: 14px;
  border: 1px solid var(--hairline-soft);
}
.copilot-msg.you .copilot-bubble {
  background: var(--brand-teal);
  color: #fff;
  border-color: var(--brand-teal);
}

.copilot-proposal {
  margin-top: 12px;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  overflow: hidden;
}
.copilot-prop-head { padding: 10px 12px; background: var(--paper-warm); display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--hairline); }
.copilot-prop-body { padding: 12px; }
.copilot-diff { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.copilot-diff-row {
  display: grid; grid-template-columns: 80px 1fr 14px 1fr;
  gap: 8px;
  align-items: center;
  font-size: 12px;
}
.mono.from { color: var(--bad); text-decoration: line-through; }
.mono.to { color: var(--ok); font-weight: 700; }
.copilot-explainer {
  display: flex; gap: 6px; align-items: flex-start;
  margin: 10px 12px 0;
  padding: 8px 10px;
  background: rgba(234,160,122,0.08);
  color: var(--brand-copper-deep);
  border-radius: 6px;
}
.copilot-prop-foot { padding: 10px 12px; display: flex; gap: 6px; justify-content: flex-end; border-top: 1px solid var(--hairline); }

.copilot-suggests { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.copilot-suggest {
  padding: 8px 12px;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  font-size: 12.5px;
  text-align: left;
  color: var(--ink-soft);
  transition: all .1s;
}
.copilot-suggest:hover { background: var(--brand-teal); color: #fff; border-color: var(--brand-teal); }

.copilot-input {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid var(--hairline);
  background: var(--paper-soft);
}
.copilot-input input { flex: 1; border: 0; outline: none; background: transparent; font-size: 14px; }

.thinking { display: flex; gap: 4px; padding: 6px 4px; }
.thinking span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-copper);
  animation: bounce 1s infinite;
}
.thinking span:nth-child(2) { animation-delay: 0.15s; }
.thinking span:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce { 0%,100% { opacity: 0.3; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-4px); } }

/* ─── Studio v2 responsive ───────────────────────────────── */

@media (max-width: 1280px) {
  .sim-kpis { grid-template-columns: repeat(2, 1fr); }
  .appr-grid { grid-template-columns: 1fr; }
  .deploy-grid { grid-template-columns: 1fr 1fr; }
  .deploy-phases { grid-template-columns: repeat(2, 1fr); }
  .versions-layout { grid-template-columns: 260px minmax(0, 1fr); }
}

@media (max-width: 1024px) {
  .studio-simulate { padding: 20px 16px 60px; }
  .studio-approval { padding: 20px 16px 60px; }
  .studio-deploy { padding: 20px 16px 60px; }
  .po-card-grid { grid-template-columns: repeat(2, 1fr); }
  .deploy-grid { grid-template-columns: 1fr; }
  .versions-layout { grid-template-columns: 1fr; }
  .versions-list { border-right: 0; border-bottom: 1px solid var(--hairline); max-height: 240px; }
}

@media (max-width: 768px) {
  .sim-kpis { grid-template-columns: 1fr 1fr; }
  .dist-bar-row { grid-template-columns: 100px 1fr; }
  .deploy-phases { grid-template-columns: 1fr; }
  .po-card-grid { grid-template-columns: 1fr; }
  .suggest-row { grid-template-columns: 1fr; }
}