/* ============================================================
   KRIVIKSHA AITECH — TECHNOLOGY VALUE LIBRARY
   Extends style.css. Loaded alongside it, never instead of it.
   All colour comes from the tokens declared in style.css.
   ============================================================ */

:root {
  --lib-mono: "SFMono-Regular", ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  /* .site-header in style.css is position: sticky; anything else that sticks or
     is jumped to by anchor has to clear it. */
  --lib-header: 5.75rem;
}

/* ------------------------------------------------------------
   LIBRARY HOMEPAGE — category cards
   ------------------------------------------------------------ */

.lib-cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 1.25rem;
}

.lib-cat-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--emerald);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem 1.5rem;
  box-shadow: 0 12px 34px rgba(8, 18, 37, 0.06);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.lib-cat-card:hover,
.lib-cat-card:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  border-color: var(--emerald-line);
  border-top-color: var(--emerald);
}

.lib-cat-count {
  font-family: var(--lib-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--emerald-deep);
  margin-bottom: 0.75rem;
}

.lib-cat-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.lib-cat-card p {
  color: var(--muted);
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
}

.lib-cat-card .lib-explore {
  margin-top: auto;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--emerald);
}

.lib-cat-card .lib-explore:hover {
  text-decoration: underline;
}

/* ------------------------------------------------------------
   WORKFLOW / DIAGRAM CONTAINERS
   ------------------------------------------------------------ */

.workflow-container,
.diagram-container {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(8, 18, 37, 0.06);
  padding: 1rem;
}

.workflow-scroll,
.diagram-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.5rem;
}

.workflow-scroll svg,
.diagram-scroll svg {
  display: block;
  height: auto;
}

.workflow-scroll:focus-visible,
.diagram-scroll:focus-visible {
  outline: 2px solid var(--emerald);
  outline-offset: 3px;
}

.diagram-caption {
  margin: 0.85rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--muted);
}

/* Always visible: the flagship workflows are wider than any viewport, and the
   scrollbar alone is not a reliable affordance on trackpad-only machines. */
.diagram-hint {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 0.6rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
  max-width: 74ch;
}

/* Right-edge fade cues that there is more diagram off-screen. */
.workflow-container,
.diagram-container {
  position: relative;
}

.workflow-container::after,
.diagram-container::after {
  content: "";
  position: absolute;
  top: 3.25rem;
  right: 1px;
  bottom: 3.5rem;
  width: 2.5rem;
  pointer-events: none;
  background: linear-gradient(to right, rgba(255, 255, 255, 0), var(--surface));
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ------------------------------------------------------------
   PLAYBOOK CARDS (category pages)
   ------------------------------------------------------------ */

.pb-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 1.25rem;
}

.pb-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 12px 34px rgba(8, 18, 37, 0.06);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.pb-card:hover,
.pb-card:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  border-color: var(--emerald-line);
}

.pb-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.pb-id {
  display: inline-block;
  font-family: var(--lib-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: var(--emerald-tint);
  border: 1px solid var(--emerald-line);
  color: var(--emerald-deep);
}

.pb-read {
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
}

.pb-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.6rem;
}

.pb-challenge {
  font-style: italic;
  color: var(--muted);
  font-size: 0.9375rem;
  margin: 0 0 0.6rem;
}

.pb-solution {
  color: var(--body);
  font-size: 0.9375rem;
  margin: 0 0 0.85rem;
}

.pb-value {
  font-weight: 700;
  color: var(--emerald-deep);
  font-size: 0.9375rem;
  margin: 0 0 1.25rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--emerald-line);
}

.pb-card .button-ghost {
  margin-top: auto;
  align-self: flex-start;
}

.pb-card-ai .pb-challenge {
  font-style: normal;
}

.pb-kpi {
  margin: 0 0 0.85rem;
  font-size: 0.9375rem;
  color: var(--body);
}

.pb-group + .pb-group {
  margin-top: 2.5rem;
}

.pb-group-head {
  margin-bottom: 1rem;
}

/* ------------------------------------------------------------
   PLAYBOOK PAGE — layout and table of contents
   ------------------------------------------------------------ */

.pb-hero-id {
  display: inline-block;
  font-family: var(--lib-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 0.35rem 0.7rem;
  border-radius: 4px;
  background: rgba(52, 211, 153, 0.16);
  border: 1px solid rgba(52, 211, 153, 0.4);
  color: #a7f3d0;
  margin-bottom: 0.9rem;
}

.pb-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 1.1rem;
  font-size: 0.8125rem;
  color: #cbd5e1;
}

.pb-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.pb-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 3rem;
  align-items: start;
}

.pb-toc {
  position: sticky;
  top: calc(var(--lib-header) + 1.5rem);
  max-height: calc(100vh - var(--lib-header) - 3rem);
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-alt);
  padding: 1.25rem;
}

.pb-toc h2 {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.85rem;
}

.pb-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
}

.pb-toc li {
  counter-increment: toc;
  margin-bottom: 0.4rem;
}

.pb-toc a {
  display: block;
  font-size: 0.875rem;
  color: var(--body);
  padding: 0.2rem 0;
  line-height: 1.35;
}

.pb-toc a::before {
  content: counter(toc, decimal-leading-zero) " ";
  font-family: var(--lib-mono);
  font-size: 0.75rem;
  color: var(--faint);
  margin-right: 0.35rem;
}

.pb-toc a:hover {
  color: var(--emerald);
}

.pb-toc a:hover::before {
  color: var(--emerald);
}

.pb-body > section {
  margin-bottom: 3rem;
  scroll-margin-top: calc(var(--lib-header) + 1rem);
}

.pb-body > section:last-child {
  margin-bottom: 0;
}

.pb-sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.pb-sec-num {
  font-family: var(--lib-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--emerald);
  letter-spacing: 0.08em;
}

.pb-sec-head h2 {
  font-size: 1.375rem;
  margin: 0;
}

.pb-body p {
  max-width: 74ch;
}

.pb-body ul {
  padding-left: 1.1rem;
  max-width: 74ch;
}

.pb-body ul li {
  margin-bottom: 0.4rem;
}

.control-list li,
.impact-list li {
  margin-bottom: 0.7rem;
}

.pb-body h3 {
  font-size: 1.0625rem;
  margin: 1.75rem 0 0.6rem;
}

.pb-lead {
  font-size: 1.0625rem;
  color: var(--body);
}

/* ------------------------------------------------------------
   CALLOUTS
   ------------------------------------------------------------ */

.callout {
  border: 1px solid var(--line);
  border-left: 4px solid var(--muted);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  padding: 1rem 1.15rem;
  margin: 1.25rem 0;
}

.callout > :last-child {
  margin-bottom: 0;
}

.callout-title {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.callout p,
.callout ul {
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

.callout-value {
  border-left-color: var(--emerald);
  background: var(--emerald-tint);
  border-color: var(--emerald-line);
}

.callout-value .callout-title {
  color: var(--emerald-deep);
}

.callout-risk {
  border-left-color: var(--danger);
  background: var(--danger-bg);
  border-color: var(--danger-line);
}

.callout-risk .callout-title {
  color: var(--danger);
}

.callout-info {
  border-left-color: var(--navy);
  background: #eff6ff;
  border-color: #bfdbfe;
}

.callout-info .callout-title {
  color: #1e40af;
}

.callout-warning {
  border-left-color: #d97706;
  background: var(--warn-bg);
  border-color: var(--warn-line);
}

.callout-warning .callout-title {
  color: var(--warn-ink);
}

/* ------------------------------------------------------------
   IMPLEMENTATION PHASES
   ------------------------------------------------------------ */

.phase-list {
  display: grid;
  gap: 1.25rem;
}

.phase {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.5rem;
  box-shadow: 0 12px 34px rgba(8, 18, 37, 0.05);
}

.phase-head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}

.phase-label {
  display: inline-block;
  font-family: var(--lib-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  background: var(--slate-900);
  color: #ffffff;
}

.phase-head h3 {
  font-size: 1.125rem;
  margin: 0;
}

.phase > p {
  color: var(--body);
  font-size: 0.9375rem;
}

.phase-activities {
  margin: 0.85rem 0;
  padding-left: 1.1rem;
}

.phase-activities li {
  font-size: 0.9375rem;
  margin-bottom: 0.35rem;
  color: var(--body);
}

.phase-activities li b {
  color: var(--ink);
}

/* ------------------------------------------------------------
   AT A GLANCE — four lines, no paragraphs
   ------------------------------------------------------------ */

.glance {
  border: 1px solid var(--line);
  border-left: 4px solid var(--navy);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(8, 18, 37, 0.06);
  padding: 1.35rem 1.5rem;
  margin: 0 0 2rem;
}

.glance-title {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.9rem;
}

.glance dl {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 0.65rem 1.25rem;
  margin: 0;
}

.glance dt {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--emerald-deep);
  padding-top: 0.15rem;
}

.glance dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--body);
}

.glance dd.glance-kpi {
  font-weight: 700;
  color: var(--ink);
}

@media (max-width: 560px) {
  .glance dl {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.15rem;
  }

  .glance dd {
    margin-bottom: 0.65rem;
  }
}

/* ------------------------------------------------------------
   PRIMARY KPI + KPI GROUPS
   ------------------------------------------------------------ */

.kpi-primary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem 2rem;
  align-items: center;
  border: 1px solid var(--emerald-line);
  border-left: 4px solid var(--emerald);
  border-radius: var(--radius);
  background: var(--emerald-tint);
  padding: 1.5rem;
  margin-bottom: 1.75rem;
}

.kpi-primary-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--emerald-deep);
  margin-bottom: 0.5rem;
}

.kpi-primary h3 {
  font-size: 1.1875rem;
  margin: 0 0 0.4rem;
  max-width: 46ch;
}

.kpi-primary p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--body);
  max-width: 60ch;
}

/* Targets range from "≥ 97%" to "Reduced against baseline" — no nowrap, or the
   long ones push the whole page into horizontal scroll on a narrow viewport. */
.kpi-primary-target {
  font-family: var(--lib-mono);
  font-size: clamp(1.0625rem, 1.6vw, 1.5rem);
  font-weight: 700;
  color: var(--emerald-deep);
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: 15ch;
  text-align: right;
  text-wrap: balance;
}

@media (max-width: 640px) {
  .kpi-primary-target {
    max-width: none;
    text-align: left;
  }
}

.kpi-group + .kpi-group {
  margin-top: 1.5rem;
}

.kpi-group > h3 {
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 640px) {
  .kpi-primary {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ------------------------------------------------------------
   POSITIVE BUSINESS IMPACT CARDS
   ------------------------------------------------------------ */

.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 1rem;
}

.impact-card {
  border: 1px solid var(--line);
  border-top: 3px solid var(--emerald);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.impact-card h3 {
  font-size: 1rem;
  margin: 0 0 0.45rem;
}

.impact-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--body);
}

/* ------------------------------------------------------------
   METRICS
   ------------------------------------------------------------ */

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  gap: 1rem;
}

.metric-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.15rem;
  box-shadow: var(--shadow-sm);
}

.metric-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.metric-value {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.metric-note {
  display: block;
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 0.4rem;
}

/* ------------------------------------------------------------
   GOVERNANCE GRID
   ------------------------------------------------------------ */

.gov-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.gov-cell {
  background: var(--surface);
  padding: 1.15rem;
}

.gov-cell h3 {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--emerald-deep);
  margin: 0 0 0.5rem;
}

.gov-cell p {
  font-size: 0.9375rem;
  color: var(--body);
  margin: 0;
}

/* ------------------------------------------------------------
   TECHNOLOGY CHIPS
   ------------------------------------------------------------ */

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.chip-row li {
  margin: 0;
}

.chip-group + .chip-group {
  margin-top: 1.25rem;
}

.chip-group h3 {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.6rem;
}

/* ------------------------------------------------------------
   RELATED PLAYBOOKS
   ------------------------------------------------------------ */

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
  gap: 0.85rem;
}

.related-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 1rem 1.15rem;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.related-card:hover {
  border-color: var(--emerald-line);
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(8, 18, 37, 0.08);
}

.related-card .pb-id {
  margin-bottom: 0.5rem;
}

.related-card b {
  display: block;
  color: var(--ink);
  font-size: 0.9375rem;
  line-height: 1.35;
}

.related-card span {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.3rem;
}

/* ------------------------------------------------------------
   RISK TABLE — reuses the base table styles in style.css
   ------------------------------------------------------------ */

.risk-table td:first-child {
  white-space: nowrap;
  font-weight: 700;
  color: var(--ink);
  width: 1%;
}

/* ------------------------------------------------------------
   FOCUS STATES
   ------------------------------------------------------------ */

.pb-toc a:focus-visible,
.related-card:focus-visible,
.pb-card a:focus-visible,
.lib-cat-card a:focus-visible {
  outline: 2px solid var(--emerald);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------ */

@media (max-width: 1024px) {
  /* minmax(0, 1fr), not 1fr — a bare 1fr floors at min-content, and the risk
     table's 720px min-width then pushes the whole page into horizontal scroll. */
  .pb-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .pb-toc {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .pb-toc ol {
    columns: 2;
    column-gap: 1.5rem;
  }
}

@media (max-width: 560px) {
  .pb-group + .pb-group {
    margin-top: 2rem;
  }

  .pb-toc ol {
    columns: 1;
  }

  .pb-card,
  .lib-cat-card,
  .phase {
    padding: 1.25rem;
  }

  .pb-hero-meta {
    gap: 0.35rem 1rem;
  }
}

@media (max-width: 360px) {
  .workflow-container,
  .diagram-container {
    padding: 0.6rem;
  }

  .pb-card,
  .lib-cat-card,
  .phase,
  .gov-cell,
  .metric-card {
    padding: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pb-card,
  .lib-cat-card,
  .related-card {
    transition: none;
  }

  .pb-card:hover,
  .lib-cat-card:hover,
  .related-card:hover {
    transform: none;
  }
}