/* US Healthcare Ecosystem — Dedicated CSS */

:root {
  --hc-patient-bg: #eff6ff;
  --hc-patient-border: #93c5fd;
  --hc-patient-text: #1e40af;

  --hc-provider-bg: #f0fdf4;
  --hc-provider-border: #86efac;
  --hc-provider-text: #15803d;

  --hc-payer-bg: #faf5ff;
  --hc-payer-border: #d8b4fe;
  --hc-payer-text: #7e22ce;

  --hc-pbm-bg: #fff7ed;
  --hc-pbm-border: #fdba74;
  --hc-pbm-text: #9a3412;

  --hc-infra-bg: #f1f5f9;
  --hc-infra-border: #cbd5e1;
  --hc-infra-text: #334155;

  --hc-pharma-bg: #fff1f2;
  --hc-pharma-border: #fda4af;
  --hc-pharma-text: #9f1239;

  --hc-card-bg: #ffffff;
  --hc-card-border: #e2e8f0;
  --hc-heading: #0f172a;
  --hc-body: #475569;
  --hc-muted: #64748b;
  --hc-faint: #94a3b8;
}

.dark {
  --hc-patient-bg: #172554;
  --hc-patient-border: #3b82f6;
  --hc-patient-text: #93c5fd;

  --hc-provider-bg: #052e16;
  --hc-provider-border: #16a34a;
  --hc-provider-text: #86efac;

  --hc-payer-bg: #2e1065;
  --hc-payer-border: #7e22ce;
  --hc-payer-text: #d8b4fe;

  --hc-pbm-bg: #431407;
  --hc-pbm-border: #c2410c;
  --hc-pbm-text: #fdba74;

  --hc-infra-bg: #1e293b;
  --hc-infra-border: #475569;
  --hc-infra-text: #cbd5e1;

  --hc-pharma-bg: #4c0519;
  --hc-pharma-border: #be123c;
  --hc-pharma-text: #fda4af;

  --hc-card-bg: var(--color-bg-secondary);
  --hc-card-border: #334155;
  --hc-heading: #f1f5f9;
  --hc-body: #94a3b8;
  --hc-muted: #94a3b8;
  --hc-faint: #64748b;
}

html { scroll-padding-top: 120px; }
.hc-page { max-width: 1200px; margin: 0 auto; padding: 40px 0; }
.hc-section { padding-bottom: 12px; }
.hc-divider { border: none; border-top: 1px solid var(--hc-card-border); margin: 48px 0; }

.section-header { margin-bottom: 24px; }
.section-tag {
  display: inline-block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 700;
  border-radius: 20px;
  padding: 4px 10px;
  margin-bottom: 8px;
  background: var(--hc-heading);
  color: var(--hc-card-bg);
  border: 1px solid var(--hc-heading);
}
.section-header h2 { font-size: 26px; font-weight: 700; color: var(--hc-heading); }
.section-header p { margin-top: 6px; color: var(--hc-muted); font-size: 15px; max-width: 760px; }

.hc-callout {
  margin-top: 16px;
  border: 2px solid var(--hc-pbm-border);
  background: color-mix(in srgb, var(--hc-pbm-bg) 75%, white);
  border-radius: 12px;
  padding: 14px 16px;
}
.hc-callout p { font-size: 13px; color: var(--hc-pbm-text); line-height: 1.6; }
.hc-callout strong { color: var(--hc-heading); }

/* Subnav */
.hc-subnav {
  position: sticky;
  top: 64px;
  z-index: 40;
  background: var(--color-bg-secondary, #f8fafc);
  display: flex;
  gap: 8px;
  padding: 12px 24px;
  overflow-x: auto;
  border-bottom: 1px solid var(--color-border, #e2e8f0);
}
.hc-subnav-link {
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary, #64748b);
  border-radius: 20px;
  padding: 6px 14px;
  white-space: nowrap;
}
.hc-subnav-link:hover { background: var(--color-bg-tertiary, #f1f5f9); color: var(--color-text-primary, #0f172a); }
.hc-subnav-link.active { background: var(--color-accent, #2E8ECE); color: white; font-weight: 600; }

/* Participant map */
.hc-relay {
  border: 2px solid var(--hc-card-border);
  border-radius: 14px;
  background: var(--hc-card-bg);
  padding: 14px;
}
.hc-relay-grid {
  display: grid;
  grid-template-columns: 1fr 72px 1.2fr 72px 1fr;
  gap: 10px;
  align-items: stretch;
}
.hc-relay-col {
  border: 2px solid;
  border-radius: 12px;
  padding: 12px;
}
.hc-relay-col h3 { font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.hc-relay-col p { font-size: 12px; color: var(--hc-body); margin-bottom: 8px; }
.hc-relay-mid { display: grid; gap: 10px; }
.hc-relay-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--hc-faint);
  font-weight: 700;
}
@media (max-width: 980px) {
  .hc-relay-grid { grid-template-columns: 1fr; }
  .hc-relay-arrow { transform: rotate(90deg); font-size: 24px; }
}

.hc-stack { display: flex; flex-direction: column; gap: 12px; }
.hc-layer {
  border: 2px solid;
  border-radius: 12px;
  padding: 14px;
}
.hc-layer h3 { font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.hc-layer p { font-size: 13px; color: var(--hc-body); margin-bottom: 8px; }
.hc-chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.hc-chip {
  font-size: 11px;
  border: 1px solid;
  border-radius: 20px;
  padding: 4px 9px;
  font-weight: 600;
}
.hc-patient { background: var(--hc-patient-bg); border-color: var(--hc-patient-border); }
.hc-patient h3, .hc-patient .hc-chip { color: var(--hc-patient-text); border-color: var(--hc-patient-border); }
.hc-provider { background: var(--hc-provider-bg); border-color: var(--hc-provider-border); }
.hc-provider h3, .hc-provider .hc-chip { color: var(--hc-provider-text); border-color: var(--hc-provider-border); }
.hc-payer { background: var(--hc-payer-bg); border-color: var(--hc-payer-border); }
.hc-payer h3, .hc-payer .hc-chip { color: var(--hc-payer-text); border-color: var(--hc-payer-border); }
.hc-pbm { background: var(--hc-pbm-bg); border-color: var(--hc-pbm-border); }
.hc-pbm h3, .hc-pbm .hc-chip { color: var(--hc-pbm-text); border-color: var(--hc-pbm-border); }
.hc-infra { background: var(--hc-infra-bg); border-color: var(--hc-infra-border); }
.hc-infra h3, .hc-infra .hc-chip { color: var(--hc-infra-text); border-color: var(--hc-infra-border); }
.hc-pharma { background: var(--hc-pharma-bg); border-color: var(--hc-pharma-border); }
.hc-pharma h3, .hc-pharma .hc-chip { color: var(--hc-pharma-text); border-color: var(--hc-pharma-border); }

/* Claims tabbed sequence */
.hc-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.hc-tab {
  border: 2px solid var(--hc-card-border);
  background: color-mix(in srgb, var(--hc-card-border) 35%, white);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  color: var(--hc-heading);
}
.hc-tab.active { background: #0f172a; border-color: #0f172a; color: #f8fafc; }
.hc-sequence {
  border: 2px solid var(--hc-card-border);
  border-radius: 14px;
  overflow: hidden;
  background: var(--hc-card-bg);
}
.hc-participants {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  background: #0f172a;
  gap: 1px;
}
.hc-participant {
  color: #e2e8f0;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  padding: 12px 8px;
}
.hc-step-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--hc-muted);
  padding: 6px 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  background: color-mix(in srgb, var(--hc-card-border) 45%, white);
  border-bottom: 1px solid var(--hc-card-border);
}
.hc-step {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  min-height: 50px;
  border-bottom: 1px solid var(--hc-card-border);
}
.hc-step:last-child { border-bottom: none; }
.hc-cell {
  padding: 10px 8px;
  font-size: 12px;
  color: var(--hc-body);
  border-right: 1px dashed var(--hc-card-border);
}
.hc-cell:last-child { border-right: none; }
.hc-cell.active { font-weight: 600; }
.hc-cell.patient { background: color-mix(in srgb, var(--hc-patient-bg) 75%, white); color: var(--hc-patient-text); }
.hc-cell.provider { background: color-mix(in srgb, var(--hc-provider-bg) 75%, white); color: var(--hc-provider-text); }
.hc-cell.clear { background: color-mix(in srgb, var(--hc-infra-bg) 75%, white); color: var(--hc-infra-text); }
.hc-cell.payer { background: color-mix(in srgb, var(--hc-payer-bg) 75%, white); color: var(--hc-payer-text); }
.hc-cell.pbm { background: color-mix(in srgb, var(--hc-pbm-bg) 75%, white); color: var(--hc-pbm-text); }
.hc-cell.bank { background: color-mix(in srgb, var(--hc-pharma-bg) 75%, white); color: var(--hc-pharma-text); }

/* Prior auth */
.hc-prior-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 900px) { .hc-prior-grid { grid-template-columns: 1fr; } }
.hc-prior-card { border: 2px solid var(--hc-card-border); border-radius: 12px; padding: 12px; background: var(--hc-card-bg); }
.hc-prior-card h4 { font-size: 14px; font-weight: 700; color: var(--hc-heading); margin-bottom: 6px; }
.hc-prior-card p, .hc-prior-card li { font-size: 12px; color: var(--hc-body); }
.hc-prior-card ul { margin: 0; padding-left: 18px; }
.hc-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 14px; }
@media (max-width: 900px) { .hc-stats { grid-template-columns: repeat(2, 1fr); } }
.hc-stat { border: 2px solid var(--hc-card-border); border-radius: 10px; padding: 10px; background: var(--hc-card-bg); }
.hc-stat strong { display: block; font-size: 18px; color: var(--hc-heading); margin-bottom: 2px; }
.hc-stat span { font-size: 11px; color: var(--hc-muted); }

/* FFS vs VBC */
.hc-vbc-grid { display: grid; grid-template-columns: 1fr 120px 1fr; gap: 12px; }
@media (max-width: 900px) { .hc-vbc-grid { grid-template-columns: 1fr; } }
.hc-vbc-panel { border: 2px solid var(--hc-card-border); border-radius: 12px; padding: 14px; background: var(--hc-card-bg); }
.hc-vbc-panel h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.hc-vbc-panel ul { margin: 0; padding-left: 18px; }
.hc-vbc-panel li { font-size: 12px; color: var(--hc-body); margin-bottom: 6px; }
.hc-vbc-mid {
  border: 2px dashed var(--hc-card-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--hc-muted);
  padding: 10px;
}

/* PM parity blocks (components deepening) */
.pm-subhead { font-size: 20px; font-weight: 700; color: var(--hc-heading); margin: 30px 0 12px; }
.pm-grid { display: grid; gap: 12px; }
.pm-grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .pm-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .pm-grid-4 { grid-template-columns: 1fr; } }
.pm-card { border: 2px solid var(--hc-card-border); border-radius: 12px; background: var(--hc-card-bg); padding: 12px; }
.pm-card h4 { font-size: 14px; font-weight: 700; color: var(--hc-heading); margin-bottom: 6px; }
.pm-card p { font-size: 12px; color: var(--hc-body); }
.pm-matrix-wrap { border: 2px solid var(--hc-card-border); border-radius: 12px; overflow: auto; background: var(--hc-card-bg); }
.pm-matrix { width: 100%; border-collapse: collapse; min-width: 760px; }
.pm-matrix th, .pm-matrix td { border: 1px solid var(--hc-card-border); padding: 10px; font-size: 12px; text-align: left; color: var(--hc-body); vertical-align: top; }
.pm-matrix th { background: color-mix(in srgb, var(--hc-card-border) 45%, white); color: var(--hc-heading); font-weight: 700; }
.pm-scenarios { display: grid; gap: 10px; }
.pm-scenario { border: 2px solid var(--hc-card-border); border-radius: 12px; background: var(--hc-card-bg); padding: 12px; }
.pm-scenario h4 { font-size: 14px; font-weight: 700; color: var(--hc-heading); margin-bottom: 6px; }
.pm-scenario p { font-size: 12px; color: var(--hc-body); }

/* Healthtech models */
.hc-card-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 1000px) { .hc-card-grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .hc-card-grid-3 { grid-template-columns: 1fr; } }
.hc-model-card { border: 2px solid var(--hc-card-border); border-radius: 12px; background: var(--hc-card-bg); overflow: hidden; }
.hc-model-head { padding: 12px 14px; font-size: 13px; font-weight: 700; border-bottom: 2px solid var(--hc-card-border); }
.hc-model-body { padding: 12px 14px; }
.hc-model-body p { font-size: 12px; color: var(--hc-body); margin-bottom: 8px; }
.hc-model-body p strong { color: var(--hc-heading); }