/* ============================================================================
   Defensibility "Command Center" — full-bleed review tab.
   Layout: sticky topbar + centered scroll column (verdict hero, panel
   outcomes, grounded-challenge feed, fix queue).
   ========================================================================== */

.main-area.sandbox-open .composer-wrap {
  display: none;
}

.main-area.sandbox-open .topbar {
  display: none;
}

.main-area.sandbox-panel-open .topbar,
.main-area.sandbox-panel-open .analysis-stage-header {
  display: none;
}

.main-area.sandbox-panel-open .workspace-body {
  padding-top: 0;
}

.main-area.sandbox-open .shell {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

.main-area.sandbox-open #sandbox-view {
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

#sandbox-view.panel-view.is-active {
  display: flex;
  background: #ffffff;
}

#sandbox-view [hidden] {
  display: none !important;
}

.ds-shell {
  --ds-ink: #0f172a;
  --ds-muted: #475569;
  --ds-soft: #6f6f68;
  --ds-faint: #9c9c93;
  --ds-line: #e6e8ec;
  --ds-line-soft: #eef1f5;
  --ds-accent: #16a34a;
  --ds-accent-soft: rgba(22, 163, 74, 0.10);
  --ds-canvas: #ffffff;
  --ds-num: var(--analysis-serif);
  position: relative;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
  background: var(--ds-canvas);
  color: var(--ds-ink);
  font-family: var(--analysis-sans);
  -webkit-font-smoothing: antialiased;
}

@keyframes ds-fade {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: none; }
}

/* ── Topbar ──────────────────────────────────────────────────────────────*/
.ds-topbar {
  position: sticky;
  top: 0;
  z-index: 6;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 32px;
  background: #ffffff;
  border-bottom: 1px solid var(--ds-line);
}

.ds-topbar-lead { min-width: 0; }

.ds-eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ds-accent);
}

.ds-topbar-titlewrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 3px;
}

.ds-title {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ds-ink);
  white-space: nowrap;
}

.ds-subtitle {
  margin: 3px 0 0;
  font-size: 0.82rem;
  color: var(--ds-faint);
}

.ds-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  white-space: nowrap;
}
.ds-status-badge .ds-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.ds-status-badge.is-ready { background: rgba(22, 163, 74, 0.12); color: #15803d; }
.ds-status-badge.is-partial { background: rgba(217, 119, 6, 0.13); color: #b45309; }
.ds-status-badge.is-neutral { background: #f1f3f6; color: #6f6f68; }

.ds-topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex-shrink: 0;
}

.ds-btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 8px 15px;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}
.ds-btn:disabled { opacity: 0.55; cursor: default; }
.ds-btn-primary { background: var(--ds-accent); color: #fff; }
.ds-btn-primary:hover:not(:disabled) { background: #15803d; }
.ds-btn-ghost { background: #fff; border-color: var(--ds-line); color: var(--ds-muted); }
.ds-btn-ghost:hover:not(:disabled) { border-color: #b3b3a9; }

/* ── Centered content column ────────────────────────────────────────────*/
.ds-stage-card,
.ds-command {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 32px 72px;
}

/* ── Stage gate card ────────────────────────────────────────────────────*/
.ds-stage-card {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  animation: ds-fade 0.3s ease;
}
.ds-stage-copy { flex: 1 1 360px; min-width: 0; }
.ds-kicker {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ds-accent);
}
.ds-stage-card h2 {
  margin: 6px 0 0;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ds-ink);
}
.ds-card-note {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--ds-soft);
}
.ds-stage-progress {
  margin-top: 22px;
  display: grid;
  gap: 0;
}
.ds-stage-step {
  display: flex;
  gap: 13px;
  padding: 12px 0;
  border-top: 1px solid var(--ds-line-soft);
}
.ds-stage-step:first-child { border-top: 0; }
.ds-stage-step-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  margin-top: 3px;
  flex-shrink: 0;
  border: 2px solid #b3b3a9;
  background: #fff;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.ds-stage-step.is-done .ds-stage-step-dot { background: var(--ds-accent); border-color: var(--ds-accent); }
.ds-stage-step.is-current .ds-stage-step-dot { border-color: var(--ds-accent); box-shadow: 0 0 0 4px var(--ds-accent-soft); }
.ds-stage-step-copy { display: flex; flex-direction: column; gap: 2px; }
.ds-stage-step-copy strong { font-size: 0.92rem; color: var(--ds-ink); }
.ds-stage-step-copy span { font-size: 0.82rem; color: var(--ds-faint); }
.ds-stage-actions { display: flex; flex-direction: column; gap: 8px; }

/* ── Verdict hero ───────────────────────────────────────────────────────*/
.ds-command { animation: ds-fade 0.35s ease; }

.ds-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(290px, 1fr);
  gap: 16px;
  align-items: stretch;
}
.ds-hero-verdict {
  display: flex;
  gap: 26px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--ds-line);
  border-radius: 20px;
  padding: 24px 26px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
  min-width: 0;
}
.ds-gauge {
  position: relative;
  width: 134px;
  height: 134px;
  flex-shrink: 0;
  border-radius: 50%;
  background: conic-gradient(#dc2626 0% 0%, #eef1f5 0% 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ds-gauge-inner {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.ds-gauge-score {
  font-family: var(--ds-num);
  font-size: 2.5rem;
  font-weight: 500;
  line-height: 0.9;
  color: var(--ds-ink);
  font-variant-numeric: tabular-nums;
}
.ds-gauge-cap {
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  color: var(--ds-faint);
  margin-top: 3px;
}
.ds-hero-copy { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.ds-verdict-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ds-verdict-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.ds-verdict-badge.is-risk { background: rgba(220, 38, 38, 0.10); color: #b91c1c; }
.ds-verdict-badge.is-partial { background: rgba(217, 119, 6, 0.13); color: #b45309; }
.ds-verdict-badge.is-ready { background: rgba(22, 163, 74, 0.13); color: #15803d; }
.ds-verdict-headline {
  margin: 0;
  font-size: 1.4rem;
  line-height: 1.24;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--ds-ink);
  text-wrap: balance;
}
.ds-verdict-desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--ds-soft);
}

.ds-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #fff;
  border: 1px solid var(--ds-line);
  border-radius: 20px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
  overflow: hidden;
}
.ds-stat {
  background: transparent;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}
/* thin separators only — no per-card boxes (cross divider across the 2×2 grid) */
.ds-stat:nth-child(1),
.ds-stat:nth-child(2) { border-bottom: 1px solid var(--ds-line); }
.ds-stat:nth-child(odd) { border-right: 1px solid var(--ds-line); }
.ds-stat-num {
  font-family: var(--ds-num);
  font-size: 1.7rem;
  font-weight: 500;
  line-height: 1;
  color: var(--ds-ink);
  font-variant-numeric: tabular-nums;
}
.ds-stat-num.is-risk { color: #dc2626; }
.ds-stat-num.is-partial { color: #d97706; }
.ds-stat-label { font-size: 0.72rem; font-weight: 600; color: var(--ds-soft); }

/* ── Manager contract ───────────────────────────────────────────────────*/
.ds-contract {
  margin-top: 14px;
  display: flex;
  align-items: flex-start;
  gap: 11px;
  background: #fff;
  border: 1px solid var(--ds-line);
  border-left: 3px solid #b3b3a9;
  border-radius: 0 14px 14px 0;
  padding: 13px 16px;
}
.ds-contract-icon { margin-top: 2px; flex-shrink: 0; color: var(--ds-faint); }
.ds-contract-text { margin: 0; font-size: 0.84rem; line-height: 1.55; color: var(--ds-muted); }
.ds-contract-text strong { color: var(--ds-ink); }

/* ── Section blocks ─────────────────────────────────────────────────────*/
.ds-block { margin-top: 30px; }
.ds-block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: 4px;
}
.ds-block-headings { min-width: 0; }
.ds-block-title {
  margin: 4px 0 0;
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ds-ink);
}
.ds-block-hint { font-size: 0.78rem; color: var(--ds-faint); white-space: nowrap; }
.ds-empty {
  padding: 22px;
  border: 1px dashed var(--ds-line);
  border-radius: 14px;
  background: #fafbfc;
  color: var(--ds-faint);
  font-size: 0.86rem;
  text-align: center;
}

/* ── Panel outcomes ─────────────────────────────────────────────────────*/
.ds-panels {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.ds-panel {
  appearance: none;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  background: #fff;
  border: 1.5px solid var(--ds-line);
  border-radius: 18px;
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.ds-panel:hover { border-color: #b3b3a9; }
.ds-panel.is-active {
  border-color: var(--ds-accent);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
}
.ds-panel-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.ds-panel-name { font-size: 1.02rem; font-weight: 700; color: var(--ds-ink); }
.ds-panel-tone {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.ds-panel-score { display: flex; align-items: flex-end; gap: 8px; }
.ds-panel-score-num {
  font-family: var(--ds-num);
  font-size: 2rem;
  font-weight: 500;
  line-height: 0.85;
  font-variant-numeric: tabular-nums;
}
.ds-panel-score-cap { font-size: 0.72rem; color: var(--ds-faint); margin-bottom: 3px; }
.ds-panel-bar { height: 7px; border-radius: 999px; background: var(--ds-line-soft); overflow: hidden; }
.ds-panel-bar span { display: block; height: 100%; border-radius: 999px; }
.ds-panel-counts {
  display: flex;
  gap: 14px;
  padding-top: 10px;
  border-top: 1px solid #f1f4f7;
}
.ds-panel-counts span { font-size: 0.72rem; color: var(--ds-faint); }
.ds-panel-counts strong { color: var(--ds-ink); font-size: 0.92rem; font-weight: 700; }

/* ── Challenge feed controls ────────────────────────────────────────────*/
.ds-feed-controls {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.ds-tabs { display: flex; flex-wrap: wrap; gap: 8px; flex: 1 1 auto; }
.ds-tab {
  appearance: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--ds-line);
  background: #fff;
  color: var(--ds-muted);
  transition: all 0.12s ease;
}
.ds-tab:hover { border-color: #b3b3a9; }
.ds-tab.is-active { background: var(--ds-accent); border-color: var(--ds-accent); color: #fff; }
.ds-tab-n { opacity: 0.6; font-weight: 500; }
.ds-tab.is-active .ds-tab-n { opacity: 0.85; }

.ds-search {
  display: flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--ds-line);
  border-radius: 10px;
  padding: 7px 11px;
  background: #fff;
  min-width: 220px;
  color: var(--ds-faint);
}
.ds-search:focus-within { border-color: var(--ds-accent); }
.ds-search input {
  border: 0;
  outline: 0;
  background: transparent;
  font-family: inherit;
  font-size: 0.82rem;
  width: 100%;
  color: var(--ds-ink);
}

.ds-need-tabs { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 7px; }
.ds-need {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.74rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 7px;
  border: 1px solid var(--ds-line);
  background: #fff;
  color: var(--ds-muted);
  transition: all 0.12s ease;
}
.ds-need:hover { border-color: #b3b3a9; }
.ds-need.is-active {
  border-color: color-mix(in srgb, var(--need, #6f6f68) 40%, transparent);
  background: color-mix(in srgb, var(--need, #6f6f68) 12%, #fff);
  color: var(--need, #475569);
}
.ds-need-dot { width: 7px; height: 7px; border-radius: 2px; }

/* ── Challenge cards ────────────────────────────────────────────────────*/
.ds-challenges { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.ds-challenge {
  background: #fff;
  border: 1px solid var(--ds-line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
  transition: box-shadow 0.15s ease;
}
.ds-challenge.is-open { box-shadow: 0 6px 20px rgba(15, 23, 42, 0.07); }
.ds-challenge-head {
  appearance: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  background: transparent;
  border: 0;
  padding: 15px 17px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.ds-challenge-dot { width: 9px; height: 9px; border-radius: 50%; margin-top: 6px; flex-shrink: 0; }
.ds-challenge-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.ds-challenge-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.ds-challenge-lens { font-size: 0.72rem; font-weight: 600; color: var(--ds-soft); }
.ds-sev {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 5px;
}
.ds-challenge-q { font-size: 0.94rem; line-height: 1.45; font-weight: 500; color: var(--ds-ink); }
.ds-chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 3px; }
.ds-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ds-muted);
  background: #f1f5f9;
  padding: 3px 8px;
  border-radius: 6px;
}
.ds-chip-dot { width: 6px; height: 6px; border-radius: 2px; }
.ds-chevron { flex-shrink: 0; margin-top: 2px; color: var(--ds-faint); transition: transform 0.2s ease; }
.ds-challenge.is-open .ds-chevron { transform: rotate(180deg); }
.ds-challenge-body { padding: 0 17px 16px 40px; animation: ds-fade 0.25s ease; }
.ds-quote {
  margin: 0;
  padding: 10px 14px;
  background: #f8fafc;
  border-left: 3px solid #b3b3a9;
  border-radius: 0 8px 8px 0;
}
.ds-quote-ref {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ds-faint);
  margin-bottom: 5px;
}
.ds-quote-text {
  font-family: var(--analysis-serif);
  font-style: italic;
  font-size: 0.96rem;
  line-height: 1.5;
  color: #334155;
}
.ds-manager { margin-top: 10px; display: flex; align-items: flex-start; gap: 9px; }
.ds-manager-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: #b91c1c;
  background: rgba(220, 38, 38, 0.09);
  padding: 3px 9px;
  border-radius: 6px;
  white-space: nowrap;
  margin-top: 1px;
}
.ds-manager p { margin: 0; font-size: 0.88rem; line-height: 1.5; color: var(--ds-soft); font-style: italic; }

/* ── Fix queue ──────────────────────────────────────────────────────────*/
.ds-fix-queue {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.ds-fix {
  background: #fff;
  border: 1px solid var(--ds-line);
  border-top: 3px solid #b3b3a9;
  border-radius: 0 0 16px 16px;
  padding: 18px;
}
.ds-fix-num {
  font-family: var(--ds-num);
  font-size: 1.9rem;
  font-weight: 500;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.ds-fix-title { margin: 8px 0 4px; font-size: 0.92rem; font-weight: 700; color: var(--ds-ink); }
.ds-fix-desc { margin: 0; font-size: 0.8rem; line-height: 1.5; color: var(--ds-soft); }

/* ── Responsive ─────────────────────────────────────────────────────────*/
@media (max-width: 900px) {
  .ds-topbar,
  .ds-stage-card,
  .ds-command { padding-left: 20px; padding-right: 20px; }
  .ds-hero { grid-template-columns: 1fr; }
  .ds-panels,
  .ds-fix-queue { grid-template-columns: 1fr; }
  .ds-hero-verdict { flex-direction: column; text-align: center; align-items: center; }
  .ds-verdict-badge { align-self: center; }
}

@media (max-width: 520px) {
  .ds-stats { grid-template-columns: 1fr 1fr; }
  .ds-search { min-width: 0; width: 100%; }
  .ds-title { white-space: normal; }
}