:root {
  --mfi-green-050: #f1f8f1;
  --mfi-green-100: #dcefdd;
  --mfi-green-500: #2c7a43;
  --mfi-green-600: #1f6435;
  --mfi-green-700: #17512b;
  --mfi-sky-100: #e3f1f7;
  --mfi-sky-500: #16758f;
  --mfi-sky-600: #10606f;
  --mfi-sand-050: #fbfaf6;
  --mfi-sand-100: #f3f1e9;

  --mfi-critical: #c02b1d;
  --mfi-caution: #d0851b;
  --mfi-good: #4f9e58;
  --mfi-ideal: #1f7a3d;

  --bs-primary: var(--mfi-green-500);
  --bs-primary-rgb: 44, 122, 67;
  --bs-link-color: var(--mfi-green-600);
  --bs-link-hover-color: var(--mfi-green-700);
  --bs-link-color-rgb: 31, 100, 53;
  --bs-body-bg: var(--mfi-sand-050);
  --bs-body-color: #23282b;
  --bs-secondary-color: #55605f;
  --bs-border-radius: 0.75rem;
  --bs-border-radius-lg: 1rem;
  --bs-border-radius-sm: 0.5rem;
  --bs-font-sans-serif: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --mfi-surface: #ffffff;
  --mfi-surface-muted: var(--mfi-sand-100);
  --mfi-border: #e2e0d6;
  --mfi-header-bg: rgba(255, 255, 255, 0.92);
  --mfi-hero-bg: linear-gradient(160deg, var(--mfi-green-050) 0%, var(--mfi-sky-100) 100%);
}

[data-bs-theme="dark"] {
  --bs-primary: #6cc07f;
  --bs-primary-rgb: 108, 192, 127;
  --bs-link-color: #8ed49d;
  --bs-link-hover-color: #b2e4bd;
  --bs-link-color-rgb: 142, 212, 157;
  --bs-body-bg: #14181a;
  --bs-body-color: #e6e9e6;
  --bs-secondary-color: #a9b2ae;
  --bs-border-color: #2c3437;

  --mfi-critical: #f0705f;
  --mfi-caution: #efb75a;
  --mfi-good: #74c07f;
  --mfi-ideal: #4bb56a;

  --mfi-surface: #1b2124;
  --mfi-surface-muted: #222a2d;
  --mfi-border: #2c3437;
  --mfi-header-bg: rgba(20, 24, 26, 0.92);
  --mfi-hero-bg: linear-gradient(160deg, #17251d 0%, #14232a 100%);
}

body {
  font-family: var(--bs-font-sans-serif);
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
}

a {
  text-underline-offset: 0.16em;
}

:where(a, button, summary, input, select, textarea):focus-visible {
  outline: 3px solid var(--mfi-sky-500);
  outline-offset: 2px;
  border-radius: 0.25rem;
}

[data-bs-theme="dark"] :where(a, button, summary, input, select, textarea):focus-visible {
  outline-color: #7fd3ea;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1080;
  padding: 0.6rem 1rem;
  background-color: var(--mfi-green-600);
  color: #fff;
  border-radius: var(--bs-border-radius-sm);
  font-weight: 600;
}

.btn-primary {
  --bs-btn-bg: var(--mfi-green-600);
  --bs-btn-border-color: var(--mfi-green-600);
  --bs-btn-hover-bg: var(--mfi-green-700);
  --bs-btn-hover-border-color: var(--mfi-green-700);
  --bs-btn-active-bg: var(--mfi-green-700);
  --bs-btn-active-border-color: var(--mfi-green-700);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  --bs-btn-active-color: #fff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background-color: var(--mfi-header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--mfi-border);
}

.site-brand {
  color: var(--bs-body-color);
}

.site-brand__mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.7rem;
  background: linear-gradient(140deg, var(--mfi-green-500), var(--mfi-sky-500));
  color: #fff;
  font-size: 1.15rem;
}

.site-brand__name {
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.site-nav .nav-link {
  color: var(--bs-body-color);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-weight: 500;
}

.site-nav .nav-link:hover,
.site-nav .nav-link:focus-visible {
  background-color: var(--mfi-surface-muted);
}

.site-nav .nav-link.is-active {
  background-color: var(--mfi-green-600);
  color: #fff;
}

.theme-toggle {
  --bs-btn-padding-x: 0.6rem;
  line-height: 1;
}

.theme-toggle__dark {
  display: none;
}

[data-bs-theme="dark"] .theme-toggle__light {
  display: none;
}

[data-bs-theme="dark"] .theme-toggle__dark {
  display: inline;
}

.site-menu {
  position: relative;
}

.site-menu > summary {
  list-style: none;
  cursor: pointer;
}

.site-menu > summary::-webkit-details-marker {
  display: none;
}

.site-menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  min-width: 14rem;
  padding: 0.5rem;
  background-color: var(--mfi-surface);
  border: 1px solid var(--mfi-border);
  border-radius: var(--bs-border-radius);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.site-menu__link {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: var(--bs-border-radius-sm);
  color: var(--bs-body-color);
  text-decoration: none;
  font-weight: 500;
}

.site-menu__link:hover,
.site-menu__link:focus-visible {
  background-color: var(--mfi-surface-muted);
}

.site-menu__link.is-active {
  background-color: var(--mfi-green-600);
  color: #fff;
}

.page-hero {
  background: var(--mfi-hero-bg);
  border-bottom: 1px solid var(--mfi-border);
}

.page-hero h1 {
  letter-spacing: -0.02em;
}

.card {
  --bs-card-bg: var(--mfi-surface);
  --bs-card-border-color: var(--mfi-border);
  --bs-card-border-radius: var(--bs-border-radius-lg);
  --bs-card-spacer-x: 1.25rem;
  --bs-card-spacer-y: 1.25rem;
}

.mfi-result > * + * {
  margin-top: 1.75rem;
}

.mfi-recommendation {
  border-radius: var(--bs-border-radius-lg);
}

.mfi-recommendation__icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
}

.mfi-score-card__value {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.mfi-scale {
  margin-bottom: 1rem;
}

.mfi-scale__track {
  position: relative;
  height: 1.1rem;
  border-radius: 999px;
  background-image: linear-gradient(
    to right,
    var(--mfi-critical) 0%,
    var(--mfi-critical) 32%,
    var(--mfi-caution) 45%,
    var(--mfi-caution) 62%,
    var(--mfi-good) 75%,
    var(--mfi-good) 86%,
    var(--mfi-ideal) 95%,
    var(--mfi-ideal) 100%
  );
}

.mfi-scale__marker {
  position: absolute;
  top: 50%;
  left: var(--mfi-value, 0%);
  width: 1.4rem;
  height: 1.4rem;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background-color: var(--mfi-surface);
  border: 3px solid var(--bs-body-color);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

.mfi-scale__labels {
  display: grid;
  grid-template-columns: 40fr 30fr 20fr 10fr;
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: var(--bs-secondary-color);
}

.mfi-scale__labels li {
  text-align: center;
}

.mfi-scale__labels li.is-active {
  color: var(--bs-body-color);
  font-weight: 600;
}

.mfi-score-card__basis {
  font-size: 0.875rem;
  color: var(--bs-secondary-color);
}

.mfi-score-card__step {
  font-weight: 600;
  color: var(--bs-body-color);
}

.mfi-check__icon {
  font-size: 1.15rem;
  line-height: 1;
  color: var(--bs-secondary-color);
}

.mfi-check__badge {
  font-weight: 600;
  white-space: nowrap;
}

.mfi-check__score {
  font-size: 0.9rem;
  color: var(--bs-secondary-color);
}

.mfi-check__reasons li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.35rem;
  line-height: 1.5;
}

.mfi-check__reasons li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background-color: currentColor;
  opacity: 0.45;
}

.mfi-check__reasons li:last-child {
  margin-bottom: 0;
}

.mfi-check__confidence {
  font-size: 0.8rem;
  color: var(--bs-secondary-color);
}

.mfi-meta {
  padding: 1.25rem;
  background-color: var(--mfi-surface-muted);
  border-radius: var(--bs-border-radius-lg);
}

.mfi-meta dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bs-secondary-color);
  margin-bottom: 0.15rem;
}

.mfi-meta dd {
  margin-bottom: 0;
  font-weight: 600;
}

.mfi-explain {
  padding: 1.25rem;
  border-left: 4px solid var(--mfi-sky-500);
  background-color: var(--mfi-surface);
  border-radius: var(--bs-border-radius);
}

.mfi-input__table th,
.mfi-input__table td {
  border-color: var(--mfi-border);
}

.mfi-input__source {
  font-size: 0.82rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background-color: var(--mfi-surface-muted);
  color: var(--bs-secondary-color);
}

.mfi-input__source--derived {
  background-color: var(--mfi-sky-100);
  color: var(--mfi-sky-600);
}

[data-bs-theme="dark"] .mfi-input__source--derived {
  background-color: #17323a;
  color: #8fd6e8;
}

.mfi-badge img {
  max-width: 200px;
  height: auto;
}

.mfi-badge__dark {
  display: none;
}

[data-bs-theme="dark"] .mfi-badge__light {
  display: none;
}

[data-bs-theme="dark"] .mfi-badge__dark {
  display: inline-block;
}

.site-footer {
  background-color: var(--mfi-surface-muted);
  border-top: 1px solid var(--mfi-border);
}

.site-footer__link {
  display: inline-block;
  padding: 0.2rem 0;
  color: var(--bs-body-color);
  text-decoration: none;
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
  text-decoration: underline;
}

.content-section p {
  line-height: 1.7;
}

.content-section > * + h2 {
  margin-top: 2.5rem;
}

.setup-steps__item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background-color: var(--mfi-surface-muted);
  color: var(--bs-secondary-color);
  font-size: 0.85rem;
}

.setup-steps__item.is-current {
  background-color: var(--mfi-green-600);
  color: #fff;
  font-weight: 600;
}

.setup-steps__item.is-done {
  background-color: var(--mfi-green-100);
  color: var(--mfi-green-700);
}

[data-bs-theme="dark"] .setup-steps__item.is-done {
  background-color: #1d3a27;
  color: #a5dcb4;
}

.setup-steps__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.12);
  font-size: 0.75rem;
  font-weight: 700;
}

.setup-checks li {
  margin-bottom: 0.6rem;
  line-height: 1.5;
}

.setup-checks__icon {
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.setup-code {
  padding: 0.9rem 1rem;
  background-color: var(--mfi-surface-muted);
  border: 1px solid var(--mfi-border);
  border-radius: var(--bs-border-radius);
  overflow-x: auto;
  font-size: 0.85rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}