/* Hallmark · macrostructure: Workbench · genre: editorial · theme: Almanac · tone: utilitarian · anchor hue: warm-red · nav: N9 · footer: Ft4 · enrichment: none
 * Pre-emit critique: P5 H4 E5 S5 R5 V4 · contrast: pass (40–41) · slop: pass (42–49) · mobile: pass (34, 49–57)
 */
@import url("/tokens.css");

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

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  background: var(--color-paper);
}

body {
  margin: 0;
  min-width: 20rem;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
}

button,
input,
select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration-thickness: var(--rule-hairline);
  text-underline-offset: var(--space-2xs);
}

h1,
h2,
legend {
  margin: 0;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
  min-width: 0;
}

p { margin: 0; }

.numeric {
  font-variant-numeric: tabular-nums;
}

.site-header,
main,
.site-footer {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
  gap: var(--space-lg);
  border-block-end: var(--rule-hairline) solid var(--color-rule);
}

.wordmark {
  font-family: var(--font-outlier);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.method-link {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--color-muted);
  font-weight: 700;
  white-space: nowrap;
}

:focus-visible {
  outline: var(--rule-heavy) solid var(--color-focus);
  outline-offset: var(--space-2xs);
}

.intro {
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-2xl) var(--space-3xl);
  border-block-end: var(--rule-hairline) solid var(--color-rule);
}

.intro h1 {
  max-width: 16ch;
  font-size: clamp(2.5rem, 8vw, 4.75rem);
}

.intro > p {
  max-width: 62ch;
  color: var(--color-ink-soft);
}

.intro .truth-note {
  align-self: end;
  padding-block-start: var(--space-sm);
  border-block-start: var(--rule-heavy) solid var(--color-accent);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.workbench {
  display: grid;
  gap: var(--space-xl);
  padding-block: var(--space-xl) var(--space-3xl);
}

.filter-form,
.result-panel {
  min-width: 0;
}

.filter-form {
  padding: var(--space-lg);
  background: var(--color-paper-2);
  border: var(--rule-hairline) solid var(--color-rule);
  border-radius: var(--radius-panel);
}

.form-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-block-end: var(--space-lg);
}

.form-heading h2,
.result-heading h2,
.result-empty h2,
.methodology h2 {
  font-size: var(--text-xl);
}

.reset-button {
  min-height: 2.75rem;
  padding-inline: var(--space-sm);
  border: var(--rule-hairline) solid transparent;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--color-muted);
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur-micro) var(--ease-out);
}

.reset-button:active { transform: translateY(var(--space-3xs)); }

.reset-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: var(--space-xl) 0;
  border: 0;
  border-block-start: var(--rule-hairline) solid var(--color-rule);
}

legend {
  display: block;
  width: 100%;
  padding: 0 0 var(--space-lg);
  font-size: var(--text-md);
}

.field-grid {
  display: grid;
  gap: var(--space-lg) var(--space-md);
}

.field {
  display: grid;
  gap: var(--space-xs);
  min-width: 0;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  font-weight: 700;
}

.field small,
.fieldset-note {
  min-height: 1lh;
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 400;
}

.fieldset-note {
  margin-block-start: var(--space-md);
  max-width: 65ch;
}

input,
select {
  width: 100%;
  min-width: 0;
  min-height: 2.75rem;
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-hairline) solid var(--color-rule-strong);
  outline: var(--rule-heavy) solid transparent;
  outline-offset: var(--space-3xs);
  border-radius: var(--radius-control);
  background: var(--color-paper);
  color: var(--color-ink);
  font-weight: 400;
}

input::placeholder {
  color: var(--color-neutral);
  opacity: 1;
}

input:focus-visible,
select:focus-visible {
  outline-color: var(--color-focus);
}

input:invalid:not(:placeholder-shown) {
  border-color: var(--color-error);
}

input[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--color-error);
}

input[data-state="success"],
select[data-state="success"] {
  border-color: var(--color-accent);
}

input[data-state="loading"],
select[data-state="loading"] {
  cursor: progress;
}

input:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.form-error {
  margin-block-end: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-hairline) solid var(--color-error);
  border-radius: var(--radius-control);
  background: var(--color-error-surface);
  color: var(--color-error);
  font-weight: 700;
}

.calculate-button {
  position: relative;
  width: 100%;
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding-inline: var(--space-lg);
  border: var(--rule-heavy) solid var(--color-ink);
  border-radius: var(--radius-control);
  background: var(--color-ink);
  color: var(--color-paper);
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur-micro) var(--ease-out);
}

.calculate-button:active {
  transform: translateY(var(--space-3xs));
}

.calculate-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.button-loader {
  display: none;
  width: var(--space-md);
  height: var(--space-md);
  border: var(--rule-heavy) solid var(--color-rule-strong);
  border-block-start-color: var(--color-paper);
  border-radius: 50%;
  animation: spin 900ms linear infinite;
}

.calculate-button[data-state="loading"] .button-loader { display: block; }
.calculate-button[data-state="error"] { border-color: var(--color-error); }
.calculate-button[data-state="success"] { border-color: var(--color-accent); }

.result-panel {
  align-self: start;
  padding-block: var(--space-xl);
  border-block: var(--rule-heavy) solid var(--color-ink);
}

.result-panel[data-status] {
  animation: reveal-result var(--dur-long) var(--ease-out) both;
}

.result-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block-end: var(--space-xl);
}

.status-badge {
  max-width: 15rem;
  padding: var(--space-2xs) var(--space-xs);
  border: var(--rule-hairline) solid var(--color-rule-strong);
  border-radius: var(--radius-control);
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.4;
  text-align: end;
}

.status-high_uncertainty,
.status-suppressed {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.result-empty {
  display: grid;
  gap: var(--space-md);
  min-height: 15rem;
  align-content: start;
}

.result-empty p,
.result-explanation,
.hero-caption,
.model-note {
  color: var(--color-muted);
  max-width: 60ch;
}

.hero-number {
  font-family: var(--font-outlier);
  font-size: clamp(2.6rem, 9vw, 5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  overflow-wrap: anywhere;
}

.hero-caption {
  margin-block-start: var(--space-xs);
}

.metrics {
  display: grid;
  margin-block-start: var(--space-xl);
  border-block-start: var(--rule-hairline) solid var(--color-rule);
}

.metric {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xs) var(--space-md);
  padding-block: var(--space-md);
  border-block-end: var(--rule-hairline) solid var(--color-rule);
}

.metric-label {
  color: var(--color-muted);
}

.metric-value {
  text-align: start;
  overflow-wrap: anywhere;
}

.metric-note {
  grid-column: 1 / -1;
  color: var(--color-neutral);
  font-size: var(--text-sm);
}

.result-panel > .metric {
  margin-block-start: var(--space-lg);
}

.warning-block {
  margin-block-start: var(--space-xl);
  padding: var(--space-md);
  border: var(--rule-hairline) solid var(--color-accent);
  background: var(--color-paper-2);
  color: var(--color-ink-soft);
}

.warning-block ul {
  margin: var(--space-sm) 0 0;
  padding-inline-start: var(--space-lg);
}

.model-note {
  margin-block-start: var(--space-xl);
  padding-block-start: var(--space-md);
  border-block-start: var(--rule-hairline) solid var(--color-rule);
  font-size: var(--text-sm);
}

.methodology {
  display: grid;
  gap: var(--space-xl);
  padding-block: var(--space-2xl) var(--space-3xl);
  border-block-start: var(--rule-hairline) solid var(--color-rule);
}

.methodology-copy {
  display: grid;
  gap: var(--space-lg);
  max-width: 70ch;
  color: var(--color-ink-soft);
}

.site-footer {
  padding-block: var(--space-xl);
  border-block-start: var(--rule-heavy) solid var(--color-ink);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-sm);
}

.site-footer p { max-width: 92ch; }

@media (hover: hover) and (pointer: fine) {
  .method-link:hover,
  .reset-button:hover { color: var(--color-accent); }
  input:hover,
  select:hover { background: var(--color-paper-3); }
  .calculate-button:hover { transform: translateY(calc(-1 * var(--space-3xs))); }
}

@media (min-width: 40rem) {
  .field-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .field-wide { grid-column: 1 / -1; }
  .metric { grid-template-columns: minmax(0, 1fr) auto; }
  .metric-value { text-align: end; }
  .metric-note { grid-column: 2; text-align: end; }
  .methodology { grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); }
}

@media (min-width: 60rem) {
  .intro { grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr); }
  .intro h1 { grid-row: 1 / 3; }
  .workbench { grid-template-columns: minmax(0, 1.05fr) minmax(22rem, 0.95fr); gap: var(--space-2xl); }
  .result-panel { position: sticky; top: var(--space-lg); }
  .filter-form { padding: var(--space-xl); }
}

@media (min-width: 90rem) {
  .workbench { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
  .result-panel[data-status] { transform: none; }
}

@keyframes spin { to { transform: rotate(1turn); } }
@keyframes reveal-result {
  from { opacity: 0; transform: translateY(var(--space-xs)); }
  to { opacity: 1; transform: none; }
}