/* =============================================================
   IB Retake Cost Calculator — styles.css
   Palette: deep navy (trust/academia) + warm amber accent
   WCAG 2.2 AA: contrast ≥ 4.5:1 body, ≥ 3:1 large & UI, focus visible.
   ============================================================= */

/* ---------- Tokens ---------- */
:root,
[data-theme='light'] {
  /* Surfaces */
  --color-bg: #f7f5f0;
  --color-surface: #ffffff;
  --color-surface-2: #fbf9f4;
  --color-surface-offset: #ede9df;
  --color-border: #d6d1c4;
  --color-divider: #e4dfd2;

  /* Text (4.5:1+ on surfaces) */
  --color-text: #121a2b;
  --color-text-muted: #4a546a; /* 8.2:1 on --color-surface */
  --color-text-faint: #6e7587;

  /* Brand — deep navy */
  --color-primary: #0b1f3a;
  --color-primary-hover: #091a32;
  --color-primary-active: #071428;
  --color-on-primary: #ffffff;

  /* Accent — amber, used sparingly for emphasis only */
  --color-accent: #b96a0a; /* 4.6:1 on --color-surface */
  --color-accent-soft: #f4e3c8;

  --color-success: #1f5b2c;
  --color-warning: #8a4a00;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 4px 14px rgba(11, 31, 58, 0.08);
  --shadow-lg: 0 14px 36px rgba(11, 31, 58, 0.12);

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Type */
  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.85rem + 0.15vw, 0.9375rem);
  --text-base: 1rem;
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.25rem);
  --text-xl: clamp(1.375rem, 1.2rem + 0.9vw, 1.75rem);
  --text-2xl: clamp(1.875rem, 1.4rem + 2vw, 2.75rem);

  /* Space */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --content: 1120px;
}

[data-theme='dark'] {
  --color-bg: #0a0f1a;
  --color-surface: #111827;
  --color-surface-2: #141c2e;
  --color-surface-offset: #1a2339;
  --color-border: #2a3347;
  --color-divider: #212b40;

  --color-text: #e8ecf4;
  --color-text-muted: #aab3c5; /* 8.3:1 on --color-surface */
  --color-text-faint: #7c8598;

  --color-primary: #f4a93a; /* inverted: accent becomes primary in dark for visibility */
  --color-primary-hover: #ffc265;
  --color-primary-active: #d99017;
  --color-on-primary: #0a0f1a;

  --color-accent: #f4a93a;
  --color-accent-soft: #2a2010;

  --color-success: #7dd58d;
  --color-warning: #f4a93a;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 14px 36px rgba(0, 0, 0, 0.5);
}

/* Respect OS preference before toggle */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0a0f1a;
    --color-surface: #111827;
    --color-surface-2: #141c2e;
    --color-surface-offset: #1a2339;
    --color-border: #2a3347;
    --color-divider: #212b40;
    --color-text: #e8ecf4;
    --color-text-muted: #aab3c5;
    --color-text-faint: #7c8598;
    --color-primary: #f4a93a;
    --color-primary-hover: #ffc265;
    --color-primary-active: #d99017;
    --color-on-primary: #0a0f1a;
    --color-accent: #f4a93a;
    --color-accent-soft: #2a2010;
  }
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}
input,
button,
select,
textarea {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  background: none;
  border: none;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-wrap: balance;
  color: var(--color-text);
}
h1 {
  font-size: var(--text-2xl);
}
h2 {
  font-size: var(--text-xl);
}
p {
  text-wrap: pretty;
  max-width: 64ch;
}
p.muted,
.muted {
  color: var(--color-text-muted);
}
a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
[data-theme='dark'] a {
  color: var(--color-primary);
}
a:hover {
  text-decoration-thickness: 2px;
}

/* Focus — WCAG 2.2 SC 2.4.11 Focus Not Obscured + 2.4.13 Focus Appearance */
:focus {
  outline: none;
}
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
[data-theme='dark'] :focus-visible {
  outline-color: var(--color-primary);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 100;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus-visible {
  top: var(--space-3);
}

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

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.container {
  width: min(100% - 2 * var(--space-5), var(--content));
  margin-inline: auto;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid var(--color-divider);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-3);
  min-height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}
.brand-mark {
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand-sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
nav[aria-label='Primary'] {
  margin-inline-start: auto;
}
.nav-list {
  list-style: none;
  display: flex;
  gap: var(--space-5);
}
.nav-list a {
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) 0;
  /* WCAG 2.2 SC 2.5.8 target size (min 24x24) — padding pushes past floor */
}
.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--color-accent);
}
[data-theme='dark'] .nav-list a:hover,
[data-theme='dark'] .nav-list a:focus-visible {
  color: var(--color-primary);
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.theme-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-accent);
}

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16)) var(--space-10);
}
.hero-inner {
  max-width: 800px;
}
.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  padding: var(--space-2) var(--space-3);
  background: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-5);
}
.hero h1 {
  margin-bottom: var(--space-5);
}
.accent {
  color: var(--color-accent);
  font-style: italic;
}
[data-theme='dark'] .accent {
  color: var(--color-primary);
}
.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 60ch;
}
.hero-ctas {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  min-height: 44px; /* WCAG 2.2 SC 2.5.8 — 24px floor, we use 44 */
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition),
    transform var(--transition);
}
.btn:active {
  transform: translateY(1px);
}
a.btn,
.btn {
  color: var(--color-text);
}
a.btn-primary,
.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
a.btn-primary:hover,
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-on-primary);
}
a.btn-secondary,
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
a.btn-secondary:hover,
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
a.btn-ghost,
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text-muted); /* 3:1 non-text contrast — SC 1.4.11 */
}
.btn-ghost:hover {
  background: var(--color-surface-offset);
}

/* ---------- Calculator ---------- */
.calculator-section {
  padding-block: var(--space-10) var(--space-16);
}
.calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}
@media (min-width: 900px) {
  .calc-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: var(--space-8);
  }
  .result {
    position: sticky;
    top: 88px;
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-5), 3vw, var(--space-8));
  box-shadow: var(--shadow-sm);
}

.calc-form h2 {
  margin-bottom: var(--space-2);
}
.calc-form > p.muted {
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
}

.field-group {
  border: none;
  margin-bottom: var(--space-8);
}
.field-group:last-of-type {
  margin-bottom: var(--space-6);
}
.field-group legend {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  padding: 0;
  margin-bottom: var(--space-4);
  color: var(--color-text);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: var(--space-2);
  width: 100%;
}
[data-theme='dark'] .field-group legend {
  border-bottom-color: var(--color-primary);
}

.field {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-4);
}
.field label {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.field .help,
.help {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* Form controls */
input[type='number'],
select {
  width: 100%;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}
input[type='number']:hover,
select:hover {
  border-color: var(--color-text-muted);
}
input[type='number']:focus-visible,
select:focus-visible {
  border-color: var(--color-primary);
  outline: 3px solid var(--color-accent);
  outline-offset: 1px;
}
select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-text-muted) 50%),
    linear-gradient(135deg, var(--color-text-muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%;
  background-size: 6px 6px;
  background-repeat: no-repeat;
  padding-inline-end: var(--space-10);
}

/* Radio tiles */
.radio-row {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-5);
}
@media (min-width: 540px) {
  .radio-row {
    grid-template-columns: 1fr 1fr;
  }
}
.radio-tile {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.radio-tile:hover {
  border-color: var(--color-text-muted);
}
.radio-tile input[type='radio'] {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}
.radio-tile:has(input:checked) {
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 6%, var(--color-surface));
}
.radio-tile:focus-within {
  outline: 3px solid var(--color-accent);
  outline-offset: 1px;
}
.radio-tile-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.radio-tile-title {
  font-weight: 600;
  font-size: var(--text-sm);
}
.radio-tile-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Stepper */
.stepper-field .stepper {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  max-width: 200px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-2);
}
.stepper:focus-within {
  border-color: var(--color-primary);
  outline: 3px solid var(--color-accent);
  outline-offset: 1px;
}
.stepper-btn {
  min-height: 44px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  background: var(--color-surface-offset);
  transition: background var(--transition), color var(--transition);
}
.stepper-btn:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.stepper input {
  border: none;
  outline: none;
  text-align: center;
  background: transparent;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  -moz-appearance: textfield;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.stepper input:focus-visible {
  outline: none;
}

/* Checkbox rows */
.toggles {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.check-row {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  cursor: pointer;
  transition: border-color var(--transition);
}
.check-row:hover {
  border-color: var(--color-text-muted);
}
.check-row:has(input:checked) {
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 6%, var(--color-surface));
}
.check-row:focus-within {
  outline: 3px solid var(--color-accent);
  outline-offset: 1px;
}
.check-row input[type='checkbox'] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}
.check-row > span {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.check-title {
  font-weight: 600;
  font-size: var(--text-sm);
}
.check-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.form-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

/* ---------- Result card ---------- */
.result .total {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-5);
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius-md);
  margin-block: var(--space-4) var(--space-3);
}
.total-amount {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.05;
}
.total-converted {
  font-size: var(--text-sm);
  opacity: 0.85;
  font-variant-numeric: tabular-nums;
}

.breakdown {
  width: 100%;
  margin-top: var(--space-5);
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.breakdown caption {
  text-align: left;
  padding-bottom: var(--space-2);
}
.breakdown th,
.breakdown td {
  padding: var(--space-3) var(--space-2);
  text-align: left;
  border-bottom: 1px solid var(--color-divider);
}
.breakdown thead th {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  font-weight: 600;
  border-bottom: 1.5px solid var(--color-border);
}
.breakdown .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.breakdown tfoot th,
.breakdown tfoot td {
  font-weight: 700;
  border-bottom: none;
  border-top: 1.5px solid var(--color-border);
  padding-top: var(--space-3);
}
.breakdown tr.zero {
  color: var(--color-text-faint);
}

[hidden] {
  display: none !important;
}

.fx-row {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  flex-wrap: wrap;
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-4);
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
}
.fx-label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}
.fx-value {
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
  font-weight: 600;
}
.fx-source {
  color: var(--color-text-muted);
  margin-inline-start: auto;
}

.gap-year {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}
.gap-year summary {
  cursor: pointer;
  font-weight: 600;
  font-size: var(--text-sm);
  list-style: none;
  position: relative;
  padding-inline-end: var(--space-6);
}
.gap-year summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-text-muted);
}
.gap-year[open] summary::after {
  content: '−';
}
.gap-year summary:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
.gap-year p {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- FAQ ---------- */
.faq {
  padding-block: var(--space-10);
  background: var(--color-surface-offset);
  border-block: 1px solid var(--color-divider);
}
.faq h2 {
  margin-bottom: var(--space-6);
}
.faq details {
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-4) 0;
}
.faq details:first-of-type {
  border-top: 1px solid var(--color-divider);
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: var(--text-base);
  list-style: none;
  position: relative;
  padding-inline-end: var(--space-8);
  min-height: 32px;
  display: flex;
  align-items: center;
}
.faq summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-accent);
}
.faq details[open] summary::after {
  content: '−';
}
.faq summary:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
.faq details p {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ---------- Sources ---------- */
.sources {
  padding-block: var(--space-10) var(--space-12);
}
.sources h2 {
  margin-bottom: var(--space-4);
}
.source-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-block: var(--space-5);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.source-list li {
  font-size: var(--text-sm);
  padding-inline-start: var(--space-4);
  position: relative;
}
.source-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}
.updated {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: var(--space-8);
  background: var(--color-primary);
  color: color-mix(in srgb, var(--color-on-primary) 90%, transparent);
}
[data-theme='dark'] .site-footer {
  background: #05080f;
  border-top: 1px solid var(--color-divider);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-inner p {
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-on-primary) 85%, transparent);
}
.disclaimer {
  color: color-mix(in srgb, var(--color-on-primary) 70%, transparent);
}

/* ---------- Print ---------- */
@media print {
  .site-header,
  .site-footer,
  .hero,
  .faq,
  .sources,
  .form-actions,
  .theme-toggle,
  nav,
  .skip-link {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
  .calc-grid {
    display: block;
  }
  .card {
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
    margin-bottom: 1rem;
  }
  .result .total {
    background: #fff;
    color: #000;
    border: 2px solid #000;
  }
  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.85em;
    color: #444;
  }
}

/* ---------- High-contrast mode ---------- */
@media (forced-colors: active) {
  .btn,
  .card,
  .radio-tile,
  .check-row,
  .stepper {
    border: 1px solid CanvasText;
  }
  .btn-primary {
    background: ButtonText;
    color: ButtonFace;
  }
  :focus-visible {
    outline: 2px solid Highlight;
  }
}