:root {
  color-scheme: light;
  --bg: #f5f3ee;
  --surface: #eae7df;
  --surface-input: #ffffff;
  --text: #1a1a1a;
  --text-muted: #5a5a5a;
  --placeholder: #9a958a;
  --border: #d4d0c8;

  --accent: #00cc6a;
  --accent-hover: #00ff88;
  --accent-link: #00a85a;

  --ok: #00cc6a;
  --ok-bg: #eefcf4;
  --ok-text: #166534;
  --info: #3b82f6;
  --info-bg: #eff6ff;
  --info-text: #1e40af;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --warning-text: #92400e;
  --error: #ef4444;
  --error-bg: #fef2f2;
  --error-text: #991b1b;
  --unknown: #9a958a;
  --unknown-bg: #eae7df;
  --unknown-text: #5a5a5a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141512;
    --surface: #1c1c19;
    --surface-input: #201f1c;
    --text: #f5f3ee;
    --text-muted: #a8a396;
    --placeholder: #6f6a5d;
    --border: #35332c;

    --ok-bg: #0f2a1d;
    --ok-text: #4ade80;
    --info-bg: #10233f;
    --info-text: #93c5fd;
    --warning-bg: #3a2a08;
    --warning-text: #fbbf24;
    --error-bg: #3a1414;
    --error-text: #fca5a5;
    --unknown-bg: #24231f;
    --unknown-text: #a8a396;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "InterVariable", "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", sans-serif;
  line-height: 1.5;
}

.mono {
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 20;
}

.site-nav {
  max-width: 1152px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
}

.site-nav__brand-wrap {
  min-width: 0;
}

.site-nav__brand {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-weight: 700;
  font-size: 1.62rem;
  letter-spacing: 0;
  color: var(--text);
  text-decoration: none;
}

.site-nav__brand-dot {
  color: var(--accent);
}

.site-nav__desktop {
  display: none;
  min-width: 0;
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.site-nav__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 8px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-nav__link:hover {
  color: var(--text);
}

.site-nav__cta {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 600;
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.site-nav__cta:hover {
  background: var(--accent);
  color: var(--text);
}

.site-nav__toggle {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  margin-left: auto;
  padding: 8px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.site-nav__toggle span {
  width: 24px;
  height: 2px;
  background: currentColor;
}

.site-nav__mobile {
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  z-index: 50;
  padding: 16px 20px;
  border-top: 1px solid #2a2c27;
  background: #141512;
  color: #f5f3ee;
  box-shadow: 0 24px 60px rgba(10, 10, 10, 0.42);
}

.site-nav__mobile-link {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid #2a2c27;
  color: #f5f3ee;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.site-nav__mobile-link:hover {
  color: var(--accent-hover);
}

.site-nav__mobile-cta {
  display: flex;
  min-height: 44px;
  margin-top: 16px;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #141512;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav__mobile-cta:hover {
  background: var(--accent-hover);
}

.site-nav__mobile-langs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #2a2c27;
}

.lang-switcher {
  display: none;
  align-items: center;
  gap: 8px;
}

.lang-switcher__button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--text-muted);
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.lang-switcher__button[hidden] {
  display: none;
}

.lang-switcher__button img {
  width: 18px;
  height: 12px;
  border-radius: 2px;
  object-fit: cover;
}

.lang-switcher__button:hover,
.lang-switcher__button.is-active {
  border-color: var(--text);
  color: var(--text);
}

.lang-switcher__button--mobile {
  border-color: #3c3f39;
  background: #20221d;
  color: #f5f3ee;
}

.lang-switcher__button--mobile:hover,
.lang-switcher__button--mobile.is-active {
  border-color: var(--accent);
  color: var(--accent-hover);
}

@media (min-width: 860px) {
  .site-nav {
    padding: 16px 24px;
  }

  .site-nav__brand-wrap {
    width: 200px;
    flex: none;
  }

  .site-nav__desktop,
  .lang-switcher {
    display: flex;
  }

  .site-nav__actions {
    flex: 0 0 auto;
  }

  .site-nav__toggle,
  .site-nav__mobile {
    display: none;
  }
}

@media (max-width: 859px) {
  .site-nav__actions {
    display: none;
  }
}

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 20px 96px;
}

.page__kicker {
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin: 0 0 10px;
}

.page__header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.1;
  margin: 0 0 12px;
}

.page__subtitle {
  color: var(--text-muted);
  margin: 0 0 36px;
  font-size: 15px;
  max-width: 56ch;
}

.check-form {
  display: flex;
  gap: 10px;
}

.check-form__input {
  flex: 1;
  min-height: 44px;
  padding: 12px 14px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--surface-input);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s ease;
}

.check-form__input::placeholder {
  color: var(--placeholder);
}

.check-form__input:focus {
  border-color: var(--text);
}

.check-form__submit {
  min-height: 44px;
  padding: 12px 22px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--text);
  border-radius: 0;
  background: var(--text);
  color: var(--bg);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.check-form__submit:hover:not(:disabled) {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text);
}

.check-form__submit:disabled {
  opacity: 0.55;
  cursor: default;
}

.form-error {
  color: var(--error-text);
  background: var(--error-bg);
  border: 1px solid var(--error);
  padding: 10px 14px;
  margin-top: 14px;
  font-size: 14px;
}

.extended-panel {
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--surface);
}

.extended-panel__toggle {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
}

.extended-panel__toggle input {
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--accent);
}

.extended-verify {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.extended-verify__step {
  display: flex;
  gap: 8px;
}

.extended-verify__input {
  flex: 1;
  min-height: 40px;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--surface-input);
  color: var(--text);
  outline: none;
}

.extended-verify__input::placeholder {
  color: var(--placeholder);
}

.extended-verify__input:focus {
  border-color: var(--text);
}

.extended-verify__input--code {
  flex: 0 0 130px;
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.2em;
}

.extended-verify__button {
  min-height: 40px;
  padding: 10px 18px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--text);
  border-radius: 0;
  background: var(--text);
  color: var(--bg);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.extended-verify__button:hover:not(:disabled) {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text);
}

.extended-verify__button:disabled {
  opacity: 0.55;
  cursor: default;
}

.extended-verify__status {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

.extended-verify__status--ok {
  color: var(--ok-text);
}

.extended-verify__status--error {
  color: var(--error-text);
}

.progress {
  margin-top: 28px;
}

.progress__bar {
  height: 4px;
  background: var(--border);
  overflow: hidden;
}

.progress__fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.3s ease;
}

.progress__text {
  margin: 10px 0 0;
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.results {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.category {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.category__title {
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  margin: 0;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-radius: 0;
  padding: 16px 18px;
}

.card--ok { border-left-color: var(--ok); background: var(--ok-bg); }
.card--info { border-left-color: var(--info); background: var(--info-bg); }
.card--warning { border-left-color: var(--warning); background: var(--warning-bg); }
.card--error { border-left-color: var(--error); background: var(--error-bg); }
.card--unknown { border-left-color: var(--unknown); background: var(--unknown-bg); }

.card__head {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.card__badge {
  font-size: 12px;
  flex-shrink: 0;
  font-weight: 700;
}

.card--ok .card__badge { color: var(--ok-text); }
.card--info .card__badge { color: var(--info-text); }
.card--warning .card__badge { color: var(--warning-text); }
.card--error .card__badge { color: var(--error-text); }
.card--unknown .card__badge { color: var(--unknown-text); }

.card__title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.card__summary {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--text);
}

.card__recommendation {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

.card__details {
  margin-top: 10px;
  font-size: 13px;
}

.card__details summary {
  cursor: pointer;
  color: var(--text-muted);
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card__details-list {
  display: grid;
  gap: 8px;
  padding-left: 18px;
  font-size: 12px;
  color: var(--text-muted);
  margin: 8px 0 0;
}

.card__details-list li {
  word-break: break-word;
}

.card__details-label {
  display: block;
  color: var(--text);
  font-weight: 700;
  margin-bottom: 4px;
}

.card__details-sublist {
  display: grid;
  gap: 3px;
  margin: 0;
  padding-left: 18px;
}

.card__inline-details {
  margin-top: 8px;
}

.summary-banner {
  padding: 16px 18px;
  border-radius: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 14px;
}

.report-email {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.report-email__input {
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--surface-input);
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.report-email__input:focus {
  border-color: var(--text);
}

.report-email__button {
  min-height: 42px;
  padding: 10px 18px;
  border: 1px solid var(--text);
  border-radius: 0;
  background: var(--text);
  color: var(--bg);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.report-email__button:hover:not(:disabled) {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text);
}

.report-email__button:disabled {
  opacity: 0.55;
  cursor: default;
}

.report-email__status {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
}

.report-email__status--ok {
  color: var(--ok-text);
}

.report-email__status--error {
  color: var(--error-text);
}

@media (max-width: 620px) {
  .report-email {
    grid-template-columns: 1fr;
  }
}

.site-footer {
  background: #1a1a1a;
  color: #f5f3ee;
  padding: 48px 20px;
  margin-top: 64px;
}

.site-footer__inner {
  max-width: 1152px;
  margin: 0 auto;
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
  margin-bottom: 32px;
}

@media (min-width: 720px) {
  .site-footer__inner {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.site-footer__logo {
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-weight: 700;
  font-size: 1.125rem;
  margin: 0 0 16px;
}

.site-footer__logo-dot {
  color: var(--accent);
}

.site-footer__tagline {
  font-size: 13px;
  opacity: 0.7;
  margin: 0;
  max-width: 40ch;
}

.site-footer__heading {
  font-family: ui-monospace, "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  opacity: 0.5;
  margin: 0 0 16px;
}

.site-footer__col a {
  display: block;
  font-size: 14px;
  opacity: 0.7;
  color: inherit;
  text-decoration: none;
  margin-bottom: 8px;
  transition: opacity 0.15s ease;
}

.site-footer__col a:hover {
  opacity: 1;
}

.site-footer__bottom {
  max-width: 1152px;
  margin: 0 auto;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
  opacity: 0.6;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.site-footer__bottom p,
.site-footer__bottom a {
  margin: 0;
  color: inherit;
}

@media (min-width: 720px) {
  .site-footer__bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}