/* ─── Reset + base ─────────────────────────────────────────────── */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { background: #ffffff; }
body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: #0f172a;
  min-height: 100vh;
}
a { color: inherit; }
button { font-family: inherit; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ─── Mock-up notice band (FHIR IG style) ──────────────────────── */
.mockup-banner {
  background: #ffff99;
  border-bottom: 1px solid #000;
  color: #000;
  font-size: 13px;
  line-height: 1.5;
}
.mockup-banner .container {
  padding-top: 10px;
  padding-bottom: 10px;
}
.mockup-banner a { color: #0050B2; text-decoration: underline; }
.mockup-banner strong { font-weight: 700; }

/* ─── Utility bar (top dark navy strip) ────────────────────────── */
.utility-bar {
  background: #0c2a4d;
  color: #d8e3f1;
  font-size: 12px;
}
.utility-bar .container {
  padding-top: 9px;
  padding-bottom: 9px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.utility-bar .meta {
  display: flex;
  gap: 22px;
  align-items: center;
  font-family: 'IBM Plex Mono', monospace;
}
.utility-bar .links {
  display: flex;
  gap: 18px;
  align-items: center;
}
.utility-bar a { color: #d8e3f1; text-decoration: none; }
.utility-bar .sep { opacity: 0.4; }
.utility-bar .lang {
  display: flex;
  gap: 8px;
  font-family: 'IBM Plex Mono', monospace;
}
.utility-bar .lang .active { color: #fff; font-weight: 600; }
.utility-bar .lang .dim { opacity: 0.5; }

/* ─── Main header (fhir.ch image | HL7 FHIR image | nav) ──────── */
.main-header {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
}
.main-header .container {
  padding-top: 22px;
  padding-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

/* HL7 Affiliate Switzerland logo (image asset) */
.affiliate-logo {
  display: inline-block;
  text-decoration: none;
  line-height: 0;
}
.affiliate-logo img {
  display: block;
  height: 64px;
  width: auto;
}

/* fhir.ch wordmark (text — no flag, no subtitle) */
.brand-text {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1;
  color: #0c2a4d;
  text-decoration: none;
}
.brand-text .dot { color: #d62828; }

/* HL7 FHIR logo (image asset) */
.fhir-logo {
  display: inline-block;
  text-decoration: none;
  line-height: 0;
}
.fhir-logo img {
  display: block;
  height: 72px;
  width: auto;
}

/* Far right: nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}
.main-nav a {
  text-decoration: none;
  color: #475569;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.main-nav a.active {
  color: #0f172a;
  border-bottom: 2px solid #1f5aa6;
  padding-bottom: 4px;
}
.main-nav .gh-dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  background: #0f172a;
  border-radius: 50%;
}

/* ─── Hero ─────────────────────────────────────────────────────── */
.hero {
  background: #f4f6f8;
  border-bottom: 1px solid #e2e8f0;
}
.hero .container {
  padding-top: 64px;
  padding-bottom: 56px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
  align-items: end;
}
.hero-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: #1f5aa6;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-title {
  font-size: 56px;
  line-height: 1.02;
  font-weight: 700;
  margin: 0 0 22px;
  letter-spacing: -0.025em;
  text-wrap: balance;
  color: #0c2a4d;
}
.hero-intro {
  font-size: 17px;
  line-height: 1.55;
  max-width: 640px;
  color: #334155;
  margin: 0 0 28px;
}
.hero-intro strong { font-weight: 600; color: #0f172a; }
.hero-intro a {
  color: #1f5aa6;
  text-decoration: none;
  border-bottom: 1px solid #b4c4d8;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn[hidden] { display: none; }
.btn.primary { background: #1f5aa6; color: #fff; border: 1px solid #1f5aa6; }
.btn.outline { background: #fff; color: #0f172a; border: 1px solid #cbd5e1; }
.btn.ghost   { background: transparent; color: #1f5aa6; border: none; }

/* Stats cards */
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid #cbd5e1;
  background: #fff;
}
.stats .card {
  padding: 22px 24px;
}
.stats .card.published { border-right: 1px solid #cbd5e1; }
.stats .card.ballot    { background: #0c2a4d; color: #fff; }
.stats .label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: #64748b;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.stats .card.ballot .label { color: #ff8b8b; }
.stats .number {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: #0c2a4d;
}
.stats .card.ballot .number { color: #fff; }
.stats .footnote {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #64748b;
  margin-top: 8px;
}
.stats .card.ballot .footnote { color: #a8bcd6; }

/* ─── Sticky tab bar ───────────────────────────────────────────── */
.tab-bar {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 20;
}
.tab-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 16px;
  flex-wrap: wrap;
}
.tabs { display: flex; }
.tab {
  padding: 20px 28px 18px 0;
  margin-right: 32px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: #64748b;
}
.tab .idx {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  opacity: 0.6;
}
.tab .label {
  font-size: 16px;
  font-weight: 600;
  margin-left: 10px;
}
.tab .count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  margin-left: 8px;
  opacity: 0.6;
}
.tab.active {
  color: #0f172a;
  border-bottom-color: #d62828;
}

/* Right cluster: FHIR pills + search */
.tab-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
}

/* FHIR pill button group */
.fhir-pills {
  display: inline-flex;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  overflow: hidden;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
}
.fhir-pill {
  border: none;
  padding: 8px 14px;
  cursor: pointer;
  background: #fff;
  color: #475569;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  border-right: 1px solid #cbd5e1;
}
.fhir-pill:last-child { border-right: none; }
.fhir-pill.active { background: #0c2a4d; color: #fff; }

/* Search input */
.search-form {
  display: flex;
  align-items: center;
}
.search-input {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  padding: 8px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  min-width: 260px;
  background: #fff;
  color: #0f172a;
}

/* ─── Ballot sub-tabs (dark navy bar) ──────────────────────────── */
.subtabs {
  background: #0c2a4d;
  color: #fff;
  border-bottom: 1px solid #0c2a4d;
}
.subtabs .container {
  padding-top: 16px;
  padding-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.subtabs .label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #a8bcd6;
  text-transform: uppercase;
  margin-right: 14px;
}
.subtab {
  padding: 7px 13px;
  background: transparent;
  border: 1px solid #2a4d75;
  color: #d8e3f1;
  cursor: pointer;
  font-family: 'Helvetica Neue', sans-serif;
  font-weight: 500;
  margin-right: 6px;
}
.subtab .label-text { font-size: 13px; }
.subtab .count {
  opacity: 0.6;
  margin-left: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
}
.subtab.active {
  background: #fff;
  color: #0c2a4d;
  border-color: #fff;
}
.subtabs .review-note {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #a8bcd6;
}
.subtabs .review-note .dot { color: #ff8b8b; }
.subtabs .review-note a { color: #fff; text-decoration: underline; }

/* ─── Registry list ─────────────────────────────────────────────── */
.registry {
  background: #ffffff;
  padding: 40px 0 80px;
}
.org-group { margin-bottom: 48px; }
.org-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 2px solid #0c2a4d;
}
.org-header .left {
  display: flex;
  align-items: baseline;
  gap: 18px;
}
.org-header .by {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #1f5aa6;
  text-transform: uppercase;
}
.org-header h2 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  color: #0c2a4d;
}
.org-header .id {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: #64748b;
}
.org-header .count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: #64748b;
}

/* IG cards — one per IG, with one .version-row per version */
.ig-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 0;
  border-bottom: 1px solid #e2e8f0;
}
.ig-card:hover { background: #fbfcfd; }
.ig-card .title-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.ig-card .title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #0c2a4d;
}
.ig-card .pkg-id {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: #64748b;
}
.ig-card .description {
  font-size: 14px;
  color: #334155;
  line-height: 1.45;
  max-width: 720px;
  margin-bottom: 10px;
}
.ig-card .meta {
  display: flex;
  gap: 14px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #64748b;
  letter-spacing: 0.04em;
  flex-wrap: wrap;
}
.ig-card .meta .key { color: #94a3b8; }
.ig-card .meta .val { color: #0f172a; font-weight: 600; }
.ig-card .meta .sep { color: #cbd5e1; }

/* Version sub-rows */
.versions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.version-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 12px;
  background: #f8fafc;
  border-left: 3px solid #cbd5e1;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: #334155;
  flex-wrap: wrap;
}
.version-row .vno   { color: #0c2a4d; font-weight: 600; min-width: 110px; }
.version-row .fhir  { color: #475569; min-width: 64px; }
.version-row .date  { color: #64748b; min-width: 110px; }
.version-row .version-chip { margin-left: auto; }
.version-row.published    { border-left-color: #1f6b3a; }
.version-row.under-ballot { border-left-color: #d62828; }

/* Shared chips (CI / HISTORY / GITHUB / WIKI / JIRA) at the card footer */
.shared-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 2px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  border: 1px solid transparent;
}
.badge.published  { background: #eaf3ec; color: #1f6b3a; border-color: #bedcc6; }
.badge.stu        { background: #d62828; color: #fff;    border-color: #d62828; }
.badge.dstu       { background: #a51a1a; color: #fff;    border-color: #a51a1a; }

/* Link chips */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  text-decoration: none;
  border: 1px solid transparent;
  letter-spacing: 0.02em;
}
.chip .icon { font-size: 11px; }
.chip.primary   { background: #1f5aa6; color: #fff;    border-color: #1f5aa6; }
.chip.secondary { background: #fff;    color: #0c2a4d; border-color: #cbd5e1; }
.chip.ghost     { background: #f4f6f8; color: #475569; border-color: #e2e8f0; }
.chip.danger    { background: #d62828; color: #fff;    border-color: #d62828; }

/* Empty state */
.empty-state {
  padding: 80px 0;
  text-align: center;
  color: #64748b;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ─── Footer (minimal) ──────────────────────────────────────────── */
.site-footer {
  background: #0c2a4d;
  color: #d8e3f1;
  border-top: 1px solid #1a3a5e;
}
.site-footer .container {
  padding-top: 22px;
  padding-bottom: 22px;
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 13px;
  line-height: 1.5;
  color: #a8bcd6;
}
.footer-row a {
  color: #ffffff;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: border-color 120ms ease;
}
.footer-row a:hover { border-bottom-color: #ff8b8b; }
.footer-row .left,
.footer-row .right {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}
.footer-row .sep   { opacity: 0.35; }
.footer-row .legal { opacity: 0.7; font-size: 12px; }

/* ─── Responsive (basic) ───────────────────────────────────────── */
@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}