/* Clinical R&D Forecasting Environment — IBM Carbon visual language.
   Tokens mirror DESIGN.md (root) and tailwind.theme.json / tokens.json.
   Carbon rules: square corners, 1px hairlines instead of shadows, one blue
   accent reserved for action, IBM Plex Sans throughout, colour only to encode
   meaning. */

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('/fonts/plex-sans-300-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/plex-sans-400-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/plex-sans-500-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/plex-sans-600-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/plex-mono-400-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/plex-mono-500-latin.woff2') format('woff2');
}

:root {
  --canvas: #ffffff;
  --surface-1: #f4f4f4;
  --surface-2: #e0e0e0;
  --ink: #161616;
  --ink-muted: #525252;
  --ink-subtle: #8c8c8c;
  --hairline: #e0e0e0;
  --hairline-strong: #161616;
  --primary: #0f62fe;
  --primary-hover: #0050e6;
  --primary-pressed: #002d9c;
  --link: #0043ce;
  --link-hover: #0050e6;
  --success: #24a148;
  --success-soft: #defbe6;
  --success-ink: #0e6027;
  --warning: #f1c21b;
  --warning-soft: #fcf4d6;
  --warning-ink: #684e00;
  --error: #da1e28;
  --error-soft: #fff1f1;
  --error-ink: #a2191f;
  --info-soft: #edf5ff;
  --info-ink: #002d9c;
  --inverse: #161616;
  --inverse-ink: #f4f4f4;
  --inverse-muted: #c6c6c6;

  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;

  --wrap: 1216px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 400 1rem/1.5 var(--sans);
  letter-spacing: 0.16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--sp-3);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2rem, 3.4vw, 2.625rem);
  font-weight: 300; /* Carbon display weight */
  line-height: 1.17;
}

h2 {
  font-size: 1.25rem;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  margin: 0 0 var(--sp-3);
}

a {
  color: var(--link);
  text-decoration: none;
}
a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

.muted {
  color: var(--ink-muted);
  font-weight: 400;
}
.small {
  font-size: 0.8125rem;
  line-height: 1.45;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary);
  color: #fff;
  padding: var(--sp-3) var(--sp-4);
  z-index: 10;
}
.skip:focus {
  left: 0;
}

/* ---------------- chrome ---------------- */

.topbar {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 5;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  min-height: 48px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0;
}
.brand:hover {
  color: var(--ink);
  text-decoration: none;
}
.brand-mark {
  width: 12px;
  height: 12px;
  background: var(--primary);
  display: inline-block;
}
.brand-text em {
  font-style: normal;
  color: var(--ink-muted);
  font-weight: 400;
}

nav[aria-label='Primary'] {
  display: flex;
  gap: var(--sp-1);
  flex-wrap: wrap;
}

nav[aria-label='Primary'] a {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 var(--sp-3);
  color: var(--ink-muted);
  font-size: 0.875rem;
  border-bottom: 2px solid transparent;
  border-top: 2px solid transparent;
}
nav[aria-label='Primary'] a:hover {
  color: var(--ink);
  background: var(--surface-1);
  text-decoration: none;
}
nav[aria-label='Primary'] a[aria-current='page'] {
  color: var(--ink);
  border-bottom-color: var(--primary);
  font-weight: 500;
}

.fixture-banner {
  background: var(--surface-1);
  border-bottom: 1px solid var(--hairline);
  color: var(--ink-muted);
  font-size: 0.8125rem;
  padding: var(--sp-2) 0;
}
.fixture-banner .wrap {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.fixture-banner .dot {
  width: 8px;
  height: 8px;
  background: var(--warning);
  display: inline-block;
  flex: none;
}

main {
  display: block;
  padding: var(--sp-7) 0 var(--sp-8);
  min-height: 60vh;
}

.footer {
  background: var(--inverse);
  color: var(--inverse-ink);
  padding: var(--sp-6) 0;
  font-size: 0.875rem;
}
.footer p {
  margin: 0 0 var(--sp-2);
}
.footer .muted {
  color: var(--inverse-muted);
}
.footer a {
  color: #78a9ff;
}
.footer a:hover {
  color: #a6c8ff;
}

/* ---------------- hero / registry ---------------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  gap: var(--sp-7);
  align-items: start;
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--hairline);
  margin-bottom: var(--sp-6);
}

.hero h1 {
  max-width: 22ch;
}

.lede {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--ink-muted);
  max-width: 62ch;
}

.hero-aside {
  border-left: 3px solid var(--primary);
  padding-left: var(--sp-4);
}
.hero-aside p {
  margin: 0 0 var(--sp-2);
  font-size: 0.875rem;
  color: var(--ink-muted);
}
.hero-aside p strong {
  color: var(--ink);
  font-weight: 600;
}

.kicker {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.32px;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--sp-3);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  border: 1px solid var(--hairline);
  margin-bottom: var(--sp-6);
}
.stat {
  padding: var(--sp-4) var(--sp-5);
  border-right: 1px solid var(--hairline);
}
.stat:last-child {
  border-right: 0;
}
.stat .value {
  display: block;
  font-size: 1.75rem;
  font-weight: 300;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.stat .label {
  display: block;
  margin-top: var(--sp-1);
  font-size: 0.75rem;
  letter-spacing: 0.32px;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--hairline-strong);
  margin-bottom: 0;
}
.toolbar label {
  font-size: 0.8125rem;
  color: var(--ink-muted);
}
.toolbar select,
.toolbar input {
  font: inherit;
  font-size: 0.875rem;
  color: var(--ink);
  background: var(--surface-1);
  border: 0;
  border-bottom: 1px solid var(--ink-muted);
  padding: 10px var(--sp-3);
  min-height: 40px;
}
.toolbar input {
  flex: 1 1 240px;
}
.toolbar select:focus,
.toolbar input:focus {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}
#count {
  margin-left: auto;
}

/* ---------------- tables ---------------- */

.table-wrap {
  border: 1px solid var(--hairline);
  border-top: 0;
  overflow-x: auto;
  margin-bottom: var(--sp-6);
}
.table-wrap:first-child {
  border-top: 1px solid var(--hairline);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th,
td {
  text-align: left;
  padding: var(--sp-3) var(--sp-4);
  vertical-align: top;
  border-bottom: 1px solid var(--hairline);
}

th {
  background: var(--surface-1);
  color: var(--ink-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.32px;
  text-transform: uppercase;
  white-space: nowrap;
}

tbody tr:last-child td {
  border-bottom: 0;
}
tbody tr:hover td {
  background: var(--surface-1);
}

.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

tr.clickable {
  cursor: pointer;
}
tr.sel td {
  background: var(--info-soft);
}

.row-link {
  color: var(--link);
  font-weight: 500;
}
.row-link:hover {
  color: var(--link-hover);
}

/* ---------------- page head / panels ---------------- */

.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-5);
  padding-bottom: var(--sp-5);
  border-bottom: 1px solid var(--hairline);
  margin-bottom: var(--sp-5);
}
.page-head .chip {
  margin-left: var(--sp-1);
}

.crumb {
  font-size: 0.8125rem;
  color: var(--ink-muted);
  margin-bottom: var(--sp-2);
}
.crumb a {
  color: var(--ink-muted);
}
.crumb a:hover {
  color: var(--link);
}

.chip {
  display: inline-block;
  font-size: 0.75rem;
  line-height: 1.4;
  padding: 2px var(--sp-2);
  border-radius: 2px;
  background: var(--surface-2);
  color: var(--ink-muted);
  white-space: nowrap;
}
.chip.good {
  background: var(--success-soft);
  color: var(--success-ink);
}
.chip.partial {
  background: var(--warning-soft);
  color: var(--warning-ink);
}
.chip.warn {
  background: var(--error-soft);
  color: var(--error-ink);
}
.chip.ghost {
  background: var(--surface-1);
  color: var(--ink-muted);
  border: 1px solid var(--hairline);
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0;
  margin: 0 0 var(--sp-6);
  border: 1px solid var(--hairline);
  border-bottom: 0;
}
.meta-grid > div {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--hairline);
  border-right: 1px solid var(--hairline);
}
.meta-grid dt {
  font-size: 0.75rem;
  letter-spacing: 0.32px;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--sp-1);
}
.meta-grid dd {
  margin: 0;
  font-size: 0.9375rem;
}

.columns {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr);
  gap: var(--sp-5);
  align-items: start;
}

.panel {
  border: 1px solid var(--hairline);
  padding: var(--sp-5);
  margin-bottom: var(--sp-5);
  background: var(--canvas);
}

.panel-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-bottom: var(--sp-3);
  margin-bottom: var(--sp-4);
  border-bottom: 1px solid var(--hairline);
}
.panel-title h2,
.panel-title h3 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.16px;
}

/* ---------------- findings / analysts ---------------- */

.finding {
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--hairline);
}
.finding:last-child {
  border-bottom: 0;
}
.finding h3 {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  font-size: 0.9375rem;
}
.finding p {
  margin: var(--sp-2) 0 0;
  font-size: 0.875rem;
  color: var(--ink-muted);
  max-width: 72ch; /* keep body measure readable in the wide column */
}

.chip.sev-high {
  background: var(--error-soft);
  color: var(--error-ink);
}
.chip.sev-medium {
  background: var(--warning-soft);
  color: var(--warning-ink);
}
.chip.sev-low {
  background: var(--surface-1);
  color: var(--ink-muted);
  border: 1px solid var(--hairline);
}

.refs {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  letter-spacing: 0;
}

.analyst {
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--hairline);
}
.analyst:last-child {
  border-bottom: 0;
}
.analyst-head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.analyst-head .name {
  font-weight: 600;
  font-size: 0.875rem;
}
.analyst-head .p {
  margin-left: auto;
  font-size: 1.125rem;
  font-variant-numeric: tabular-nums;
}
.analyst p {
  margin: var(--sp-2) 0 0;
  font-size: 0.875rem;
  color: var(--ink-muted);
  max-width: 72ch;
}

/* ---------------- projection ---------------- */

.projection .prob {
  font-size: 3rem;
  font-weight: 300;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.projection .prob small {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ink-muted);
  letter-spacing: 0.32px;
  text-transform: uppercase;
  margin-left: var(--sp-2);
}
.kv {
  margin-top: var(--sp-4);
  border-top: 1px solid var(--hairline);
}
.kv > div {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.875rem;
}
.kv .k {
  color: var(--ink-muted);
}
.kv .v {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 var(--sp-5);
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
  border-radius: 0;
  font: 400 0.9375rem/1 var(--sans);
  letter-spacing: 0.16px;
  cursor: pointer;
}
.btn:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
  text-decoration: none;
}
.btn:active {
  background: var(--primary-pressed);
}
.btn:disabled {
  background: var(--surface-2);
  border-color: var(--surface-2);
  color: var(--ink-muted);
  cursor: default;
}
.btn.secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn.secondary:hover {
  background: var(--info-soft);
  color: var(--primary-pressed);
}
.btn.small {
  min-height: 32px;
  padding: 0 var(--sp-3);
  font-size: 0.8125rem;
}

.hash {
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--ink);
  background: var(--surface-1);
  padding: var(--sp-3);
  word-break: break-all;
  letter-spacing: 0;
  border-left: 3px solid var(--hairline-strong);
}

.verify {
  margin-top: var(--sp-3);
  font-size: 0.8125rem;
}
.verify.ok {
  color: var(--success-ink);
}
.verify.bad {
  color: var(--error-ink);
}

.callout {
  border-left: 3px solid var(--primary);
  background: var(--info-soft);
  padding: var(--sp-4);
  font-size: 0.8125rem;
  color: var(--ink);
  margin-bottom: var(--sp-5);
}
.callout strong {
  font-weight: 600;
}

/* ---------------- divergence matrix ---------------- */

.legend {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--ink-muted);
  margin-bottom: var(--sp-3);
}
.legend span {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.matrix th.num,
.matrix td.num {
  text-align: center;
}
.matrix td {
  padding: var(--sp-2);
}
.matrix td:first-child {
  padding: var(--sp-3) var(--sp-4);
}

.heat-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 28px;
  padding: 0 var(--sp-2);
  font-style: normal;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  border-radius: 0;
  background: var(--surface-1);
  color: var(--ink-muted);
}
.heat-chip.h-unanimous {
  background: var(--success-soft);
  color: var(--success-ink);
}
.heat-chip.h-mostly {
  background: var(--info-soft);
  color: var(--info-ink);
}
.heat-chip.h-split {
  background: var(--warning-soft);
  color: var(--warning-ink);
}
.heat-chip.h-lone {
  background: var(--error-soft);
  color: var(--error-ink);
}
.heat-chip.h-none,
.heat-chip.h-clean {
  background: var(--surface-1);
  color: var(--ink-muted);
}

.models .chip {
  margin-right: var(--sp-1);
}

/* ---------------- calibration ---------------- */

.bars {
  display: grid;
  gap: var(--sp-3);
}
.bar-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) 120px;
  gap: var(--sp-3);
  align-items: center;
  font-size: 0.8125rem;
}
.bar {
  position: relative;
  height: 16px;
  background: var(--surface-1);
  border: 1px solid var(--hairline);
}
.bar .pred {
  display: block;
  height: 100%;
  background: var(--primary);
  opacity: 0.25;
}
.bar .obs {
  position: absolute;
  top: -3px;
  width: 2px;
  height: 22px;
  background: var(--ink);
}

.prose {
  max-width: 78ch;
}
.prose h2 {
  margin-top: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--hairline);
  font-size: 1.125rem;
  font-weight: 600;
}
.prose ul {
  padding-left: var(--sp-5);
  color: var(--ink-muted);
}
.prose li {
  margin-bottom: var(--sp-2);
}

/* ---------------- responsive ---------------- */

@media (max-width: 900px) {
  .hero,
  .columns {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-aside {
    border-left: 0;
    border-top: 1px solid var(--hairline);
    padding: var(--sp-4) 0 0;
  }
  .page-head {
    flex-direction: column;
    gap: var(--sp-3);
  }
  .bar-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .wrap {
    padding: 0 var(--sp-4);
  }
  main {
    padding: var(--sp-5) 0 var(--sp-6);
  }
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding-bottom: var(--sp-2);
  }
  nav[aria-label='Primary'] a {
    height: 40px;
    padding: 0 var(--sp-2);
  }
  .stat {
    border-right: 0;
    border-bottom: 1px solid var(--hairline);
  }
}

@media print {
  .topbar,
  .footer,
  .fixture-banner,
  .toolbar {
    display: none;
  }
  .table-wrap,
  .panel {
    border-color: #999;
  }
  a {
    color: inherit;
    text-decoration: underline;
  }
}