/* CranioSwift /methodology/ + /phase-summary/ prose styles
 * Long-form, academic-tone page styling.
 * Inherits color tokens + base typography from /styles.css.
 * Shared by /phase-summary/ via the same .prose-page body class.
 */

.prose-page {
  background: var(--paper);
}

.prose-main {
  display: block;
  width: 100%;
  padding: clamp(56px, 8vw, 96px) 0 clamp(72px, 9vw, 120px);
}

.prose-article {
  width: min(820px, calc(100% - 48px));
  margin: 0 auto;
  color: var(--ink);
}

/* ---------- Header ---------- */

.prose-header {
  margin-bottom: clamp(36px, 5vw, 56px);
  padding-bottom: clamp(24px, 4vw, 36px);
  border-bottom: 1px solid var(--line);
}

.prose-header h1 {
  margin: 14px 0 18px;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.04;
  font-weight: 820;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 18ch;
}

.prose-header .eyebrow {
  color: var(--green);
}

.prose-deck {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.55;
  max-width: 64ch;
}

.prose-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin: 0;
}

.prose-meta > div {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.prose-meta dt {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.prose-meta dd {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

/* ---------- Table of contents ---------- */

.prose-toc {
  margin: 0 0 40px;
  padding: 22px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.toc-label {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.prose-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 24px;
}

.prose-toc li {
  font-size: 14px;
  line-height: 1.4;
}

.prose-toc a {
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.prose-toc a:hover {
  border-bottom-color: var(--teal);
}

/* ---------- Section spacing ---------- */

.prose-article section {
  margin-bottom: clamp(40px, 6vw, 64px);
}

.prose-article section:last-child {
  margin-bottom: 0;
}

.prose-article h2 {
  margin: 0 0 18px;
  padding-top: 16px;
  scroll-margin-top: 80px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.18;
  font-weight: 790;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.prose-article h3 {
  margin: 24px 0 10px;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 780;
  color: var(--ink);
}

.prose-article p,
.prose-article ul,
.prose-article ol {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
}

.prose-article p:last-child,
.prose-article ul:last-child,
.prose-article ol:last-child {
  margin-bottom: 0;
}

.prose-article ul,
.prose-article ol {
  padding-left: 22px;
}

.prose-article li {
  margin-bottom: 4px;
}

.prose-article a.text-link {
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  font-weight: 700;
}

.prose-article code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  background: rgba(33, 199, 184, 0.12);
  color: var(--ink);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
}

/* ---------- Callout ---------- */

.callout {
  margin: 18px 0 !important;
  padding: 18px 22px;
  background: rgba(33, 199, 184, 0.08);
  border-left: 3px solid var(--teal);
  border-radius: 4px;
  font-size: 15px !important;
  line-height: 1.6 !important;
}

.callout.subtle {
  background: var(--surface);
  border-left-color: var(--muted);
}

/* ---------- Module summary (4-card grid for module A/B/C/D) ---------- */

.module-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0 24px;
}

.module-summary article {
  display: grid;
  gap: 8px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.module-tag {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--teal);
  color: var(--charcoal);
  font-weight: 820;
  font-size: 14px;
  margin-bottom: 4px;
}

.module-summary h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 790;
  color: var(--ink);
}

.module-summary p {
  margin: 0;
  color: var(--muted);
  font-size: 14px !important;
  line-height: 1.55 !important;
}

/* ---------- Dataset table ---------- */

.dataset-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 20px;
  font-size: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.dataset-table thead {
  background: var(--paper);
}

.dataset-table th {
  padding: 12px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.dataset-table td {
  padding: 14px;
  vertical-align: top;
  line-height: 1.5;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.dataset-table tbody tr:last-child td {
  border-bottom: 0;
}

.dataset-table tbody tr:hover {
  background: rgba(33, 199, 184, 0.04);
}

/* ---------- Line split (commercial-clean vs research line) ---------- */

.line-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 20px 0;
}

.line-split article {
  display: grid;
  gap: 10px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-top: 3px solid var(--teal);
}

.line-split article:nth-child(2) {
  border-top-color: var(--blue);
}

.line-split h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 790;
}

.line-split p {
  margin: 0;
  font-size: 14px !important;
  line-height: 1.6 !important;
  color: var(--muted);
}

.line-foot {
  margin-top: 6px !important;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  color: var(--ink) !important;
  font-weight: 700 !important;
  font-size: 13px !important;
}

/* ---------- Footnote ---------- */

.prose-footnote {
  margin-top: 24px !important;
  padding: 18px 22px;
  background: var(--paper);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  font-size: 14px !important;
  line-height: 1.6 !important;
  color: var(--muted);
}

/* ---------- Phase summary additions (shared by /phase-summary/) ---------- */

.phase-list {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
  display: grid;
  gap: 22px;
}

.phase-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-left: 4px solid var(--muted);
}

.phase-item[data-outcome="shipped"] {
  border-left-color: var(--teal);
}
.phase-item[data-outcome="closed-not-promoted"] {
  border-left-color: var(--amber);
}
.phase-item[data-outcome="diagnostic"] {
  border-left-color: var(--blue);
}
.phase-item[data-outcome="rejected"] {
  border-left-color: var(--coral);
}
.phase-item[data-outcome="active"] {
  border-left-color: var(--green);
}

.phase-id {
  display: grid;
  gap: 4px;
  align-content: start;
}

.phase-id-num {
  font-size: 36px;
  line-height: 1;
  font-weight: 830;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.phase-id-date {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.phase-outcome-tag {
  display: inline-block;
  width: fit-content;
  margin-bottom: 8px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.phase-item[data-outcome="shipped"] .phase-outcome-tag {
  color: #ffffff;
  background: var(--teal);
  border-color: var(--teal);
}
.phase-item[data-outcome="closed-not-promoted"] .phase-outcome-tag {
  color: var(--charcoal);
  background: rgba(200, 135, 38, 0.18);
  border-color: var(--amber);
}
.phase-item[data-outcome="diagnostic"] .phase-outcome-tag {
  color: #ffffff;
  background: var(--blue);
  border-color: var(--blue);
}
.phase-item[data-outcome="rejected"] .phase-outcome-tag {
  color: #ffffff;
  background: var(--coral);
  border-color: var(--coral);
}
.phase-item[data-outcome="active"] .phase-outcome-tag {
  color: #ffffff;
  background: var(--green);
  border-color: var(--green);
}

.phase-body h3 {
  margin: 0 0 8px !important;
  font-size: 19px;
  line-height: 1.25;
  font-weight: 790;
}

.phase-body p {
  margin: 0 0 10px !important;
  font-size: 15px !important;
  line-height: 1.6 !important;
  color: var(--ink);
}

.phase-body p:last-child {
  margin-bottom: 0 !important;
}

.phase-takeaway {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: baseline;
  margin-top: 10px;
  padding: 12px 14px;
  background: var(--paper);
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.5;
}

.phase-takeaway strong {
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .prose-article {
    width: calc(100% - 32px);
  }

  .prose-toc ol {
    grid-template-columns: 1fr;
  }

  .module-summary,
  .line-split {
    grid-template-columns: 1fr;
  }

  .dataset-table {
    font-size: 13px;
  }

  .dataset-table th,
  .dataset-table td {
    padding: 10px;
  }

  .phase-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .phase-id-num {
    font-size: 28px;
  }
}