/* Agent Personas — Shared Styles */
/* Following Emil Kowalski's design engineering principles */

:root {
  --gray-1: #0a0a0a;
  --gray-2: #111;
  --gray-3: #161616;
  --gray-4: #1e1e1e;
  --gray-5: #262626;
  --gray-6: #333;
  --gray-7: #444;
  --gray-8: #555;
  --gray-9: #666;
  --gray-10: #888;
  --gray-11: #bbb;
  --gray-12: #e8e8e8;
  --green: #4ade80;
  --green-dim: #1a2a1a;
  --yellow: #fbbf24;
  --yellow-dim: #2a2200;
  --blue: #60a5fa;
  --blue-dim: #0f1a2e;
  --purple: #c084fc;
  --purple-dim: #1a102a;
  --red: #f87171;
  --red-dim: #2a1010;
  --ease-out-quart: cubic-bezier(0.165, 0.84, 0.44, 1);
  --border-hairline: 1px;
}

@media only screen and (min-device-pixel-ratio: 2),
  only screen and (min-resolution: 192dpi) {
  :root { --border-hairline: 0.5px; }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--gray-1);
  color: var(--gray-12);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.container { max-width: 720px; margin: 0 auto; padding: 48px 20px 100px; }

/* ─── Typography ─── */

h1 {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

h2 {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-9);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  margin-top: 48px;
}

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p { color: var(--gray-11); font-size: 0.9rem; }

.subtitle {
  color: var(--gray-10);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* ─── Back Nav ─── */

.back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gray-10);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 32px;
  transition: color 150ms ease;
}

@media (hover: hover) {
  .back:hover { color: var(--gray-12); }
}

.back-arrow {
  font-size: 0.9rem;
  transition: transform 150ms var(--ease-out-quart);
}

@media (hover: hover) {
  .back:hover .back-arrow { transform: translateX(-2px); }
}

/* ─── Flow Steps ─── */

.flow {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
  margin-bottom: 32px;
  overflow-x: auto;
}

.flow-step {
  background: var(--gray-3);
  box-shadow: 0 0 0 1px var(--gray-4);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-11);
  white-space: nowrap;
  flex-shrink: 0;
}

.flow-step.hi {
  background: var(--blue-dim);
  box-shadow: 0 0 0 1px rgba(96, 165, 250, 0.2);
  color: var(--blue);
}

.flow-arrow { color: var(--gray-7); font-size: 0.8rem; flex-shrink: 0; }

/* ─── Section Cards ─── */

.section-card {
  background: var(--gray-2);
  box-shadow: 0 0 0 1px var(--gray-4);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 12px;
}

.section-card h3 { font-size: 0.9rem; margin-bottom: 6px; }
.section-card p { font-size: 0.85rem; margin-bottom: 0; }
.section-card code {
  color: var(--blue);
  font-size: 0.85rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.section-card pre {
  color: var(--gray-10);
  font-size: 0.8rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  line-height: 1.65;
  margin-top: 10px;
  white-space: pre;
  overflow-x: auto;
}

.agents-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

/* ─── Persona Grid (Index) ─── */

.persona-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.persona-card {
  background: var(--gray-2);
  box-shadow: 0 0 0 1px var(--gray-4);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow 200ms ease, background 200ms ease;
  position: relative;
  overflow: hidden;
}

.persona-card.clickable { cursor: pointer; }

@media (hover: hover) {
  .persona-card.clickable:hover {
    box-shadow: 0 0 0 1px var(--gray-6);
    background: var(--gray-3);
  }
}

.persona-card.pending { opacity: 0.45; }

.persona-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.persona-card-name {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.persona-card-status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.persona-card-status.done { background: var(--green); }
.persona-card-status.pending { background: var(--gray-7); }

.persona-card-domain {
  font-size: 0.8rem;
  color: var(--gray-9);
}

.persona-card-meta {
  display: flex;
  gap: 12px;
  margin-top: auto;
  font-size: 0.75rem;
  color: var(--gray-8);
}

.persona-card-meta span {
  font-variant-numeric: tabular-nums;
}

.persona-card-score {
  color: var(--green);
  font-weight: 600;
}

/* ─── Persona Detail: Bio ─── */

.bio { color: var(--gray-10); font-size: 0.85rem; margin-bottom: 24px; }

/* ─── Principles List ─── */

.principles { margin-bottom: 8px; }

.principle {
  padding: 10px 0;
  border-bottom: var(--border-hairline) solid var(--gray-3);
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.principle:last-child { border-bottom: none; }

.principle-num {
  color: var(--gray-8);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  width: 18px;
}

.principle-name {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--gray-12);
}

.principle-desc {
  color: var(--gray-9);
  font-size: 0.82rem;
  margin-left: 4px;
}

/* ─── Aggregate Stats ─── */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 16px 0 24px;
}

.stat {
  background: var(--gray-2);
  box-shadow: 0 0 0 1px var(--gray-4);
  border-radius: 8px;
  padding: 14px 12px;
  text-align: center;
}

.stat-num {
  font-size: 1.6rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--green);
}

.stat-label {
  font-size: 0.65rem;
  color: var(--gray-9);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}

/* ─── FAQ Accordion ─── */

.faq { margin-bottom: 8px; }

.faq-item {
  background: var(--gray-2);
  box-shadow: 0 0 0 1px var(--gray-4);
  border-radius: 10px;
  margin-bottom: 6px;
  overflow: hidden;
}

.faq-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
  transition: background 150ms ease;
}

@media (hover: hover) {
  .faq-header:hover { background: var(--gray-3); }
}

.faq-badge {
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: 4px;
  flex-shrink: 0;
}

.faq-badge.direct { background: var(--green-dim); color: var(--green); }
.faq-badge.transfer { background: var(--purple-dim); color: var(--purple); }
.faq-badge.voice { background: var(--blue-dim); color: var(--blue); }

.faq-q {
  font-size: 0.88rem;
  font-weight: 500;
  flex: 1;
  min-width: 0;
}

.faq-score {
  font-size: 1.1rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.faq-score.good { color: var(--green); }
.faq-score.ok { color: var(--yellow); }

.faq-chevron {
  color: var(--gray-8);
  font-size: 0.75rem;
  flex-shrink: 0;
  transition: transform 200ms var(--ease-out-quart);
}

.faq-item.open .faq-chevron { transform: rotate(90deg); }

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms var(--ease-out-quart);
}

.faq-item.open .faq-body { max-height: 800px; }

.faq-inner { padding: 0 16px 16px; }

.faq-scores {
  display: flex;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--gray-9);
  margin-bottom: 14px;
}

.faq-scores span { color: var(--gray-11); font-weight: 500; }

.faq-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.faq-resp {
  background: var(--gray-1);
  box-shadow: 0 0 0 1px var(--gray-4);
  border-radius: 8px;
  padding: 14px;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--gray-11);
}

.faq-resp.persona { box-shadow: 0 0 0 1px rgba(96, 165, 250, 0.15); }

.faq-resp-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.faq-resp-label.p { color: var(--blue); }
.faq-resp-label.b { color: var(--gray-8); }

.faq-note {
  color: var(--yellow);
  font-size: 0.8rem;
  margin-top: 10px;
  opacity: 0.85;
}

/* ─── Pipeline ─── */

.pipeline-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: var(--border-hairline) solid var(--gray-3);
  font-size: 0.88rem;
}

.pipeline-row:last-child { border-bottom: none; }

.pip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.pip-dot.done { background: var(--green); }
.pip-dot.pending { background: var(--gray-7); }

.pip-name { font-weight: 500; }
.pip-domain { color: var(--gray-9); font-size: 0.8rem; margin-left: auto; }

/* ─── Decision Framework ─── */

.decision-list {
  list-style: none;
  counter-reset: decision;
}

.decision-list li {
  counter-increment: decision;
  padding: 10px 0;
  border-bottom: var(--border-hairline) solid var(--gray-3);
  font-size: 0.85rem;
  color: var(--gray-11);
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.decision-list li:last-child { border-bottom: none; }

.decision-list li::before {
  content: counter(decision);
  color: var(--gray-8);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  width: 18px;
}

/* ─── Workflow Cards ─── */

.workflow-card {
  background: var(--gray-2);
  box-shadow: 0 0 0 1px var(--gray-4);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 8px;
}

.workflow-card h4 {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.workflow-card p {
  font-size: 0.82rem;
  color: var(--gray-9);
}

/* ─── Not Tested Badge ─── */

.badge-pending {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gray-3);
  box-shadow: 0 0 0 1px var(--gray-5);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 0.8rem;
  color: var(--gray-9);
  margin-top: 16px;
}

.badge-pending::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray-7);
}

/* ─── Eval Results ─── */

.eval-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 16px;
}

.eval-stat {
  background: var(--gray-3);
  box-shadow: 0 0 0 1px var(--gray-4);
  border-radius: 8px;
  padding: 16px 14px;
  text-align: center;
}

.eval-stat-num {
  font-size: 1.8rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--green);
  line-height: 1;
}

.eval-stat-label {
  font-size: 0.7rem;
  color: var(--gray-9);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 6px;
}

/* ─── Footer ─── */

.footer {
  margin-top: 64px;
  padding-top: 20px;
  border-top: var(--border-hairline) solid var(--gray-4);
  font-size: 0.75rem;
  color: var(--gray-8);
}

/* ─── Responsive ─── */

@media (max-width: 600px) {
  .persona-grid { grid-template-columns: 1fr; }
  .faq-pair { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .flow { gap: 4px; }
  .flow-step { padding: 5px 8px; font-size: 0.72rem; }
}

/* ─── Reduced Motion ─── */

@media (prefers-reduced-motion: reduce) {
  .faq-body { transition: none; }
  .faq-chevron { transition: none; }
  .persona-card { transition: none; }
  .back-arrow { transition: none; }
}