.tn-neuter-page {
  --neuter-paper: #faf6ee;
  --neuter-wash: #f5efdf;
  --neuter-ink: #1a1208;
  --neuter-muted: #5a4a30;
  --neuter-line: #b8a888;
  --neuter-accent: #c44a00;
  --neuter-button: #ede6d4;
  --neuter-hover: #dfd4bb;
  --neuter-primary: #1a1208;
  --neuter-primary-hover: #873600;
  --neuter-primary-text: #f7ead1;
  --neuter-sans: -apple-system, BlinkMacSystemFont, "Pretendard", "Segoe UI", system-ui, sans-serif;
  color: var(--neuter-ink);
}
body:is([data-scheme="dark"], [data-scheme="inverse"], [data-scheme="auto"][data-d="dark"], [data-scheme="auto"][data-l="dark"]) .tn-neuter-page,
html:is([data-scheme="dark"], [data-scheme="inverse"], .theme-dark) body:not([data-scheme="light"]) .tn-neuter-page {
  --neuter-paper: #241d12;
  --neuter-wash: #322a1a;
  --neuter-ink: #efe6d2;
  --neuter-muted: #c3b492;
  --neuter-line: #826744;
  --neuter-accent: #f29a5d;
  --neuter-button: #2f2115;
  --neuter-hover: #3a2a1b;
  --neuter-primary: #6a3b1f;
  --neuter-primary-hover: #824826;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  body[data-scheme="auto"] .tn-neuter-page {
    --neuter-paper: #241d12;
    --neuter-wash: #322a1a;
    --neuter-ink: #efe6d2;
    --neuter-muted: #c3b492;
    --neuter-line: #826744;
    --neuter-accent: #f29a5d;
    --neuter-button: #2f2115;
    --neuter-hover: #3a2a1b;
    --neuter-primary: #6a3b1f;
    --neuter-primary-hover: #824826;
    color-scheme: dark;
  }
}
.tn-neuter-page [hidden] { display: none !important; }
.tn-neuter-page .neuter-ad {
  width: 100%;
  max-width: 900px;
  min-height: 90px;
  height: auto;
  max-height: none;
  margin: 54px auto 30px;
  border: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}
.tn-neuter-page .neuter-ad--top { margin-top: 54px; margin-bottom: 24px; }
.tn-neuter-page .neuter-ad--bottom { margin-top: 32px; margin-bottom: 30px; }
.tn-neuter-page .neuter-ad :is(.aicp, ins.adsbygoogle) { max-height: none; overflow: visible; }
.tn-neuter-page .tn-neuter-tool,
.tn-neuter-page .tn-neuter-tool *,
.tn-neuter-page .tn-neuter-tool *::before,
.tn-neuter-page .tn-neuter-tool *::after { box-sizing: border-box; }
.tn-neuter-page .tn-neuter-tool {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  width: 100%;
  max-width: 1180px;
  min-width: 0;
  margin: 0 auto;
  background: transparent;
  color: var(--neuter-ink);
  font-family: var(--neuter-sans);
  font-size: 14px;
  line-height: 1.65;
}
.tn-neuter-page .tn-neuter-tool :is(p, h2, h3, label, dl, dt, dd) { margin: 0; }
.tn-neuter-page :is(.tn-neuter-input, .tn-neuter-result) {
  display: grid;
  align-content: start;
  align-self: stretch;
  gap: 16px;
  min-width: 0;
  margin: 0;
  padding: 24px;
  border: 1px solid var(--neuter-line);
  background: var(--neuter-paper);
}
.tn-neuter-page .tn-neuter-input { display: flex; flex-direction: column; }
.tn-neuter-page .tn-neuter-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.tn-neuter-page .tn-neuter-field { display: grid; align-content: start; gap: 6px; min-width: 0; }
.tn-neuter-page .tn-neuter-field > label { color: var(--neuter-ink); font-size: 14px; font-weight: 700; }
.tn-neuter-page .tn-neuter-field small { color: var(--neuter-muted); font-size: 12px; line-height: 1.55; }
.tn-neuter-page .tn-neuter-control {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--neuter-line);
  border-radius: 0;
  background: var(--neuter-paper);
  color: var(--neuter-ink);
  -webkit-text-fill-color: currentColor;
  box-shadow: none;
  font-family: var(--neuter-sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  font-variant-numeric: lining-nums tabular-nums;
}
.tn-neuter-page .tn-neuter-control::placeholder { color: var(--neuter-muted); opacity: .35; font-weight: 400; }
.tn-neuter-page .tn-neuter-tool :is(button, input, select, a):focus-visible {
  outline: 2px solid var(--neuter-accent);
  outline-offset: 2px;
}
.tn-neuter-page .tn-neuter-tool [aria-invalid="true"] { border-color: var(--neuter-accent); }
.tn-neuter-page .tn-neuter-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.tn-neuter-page .tn-neuter-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin: 0;
  padding: 11px 16px;
  border: 1px solid var(--neuter-line);
  border-radius: 0;
  background: var(--neuter-button);
  color: var(--neuter-ink);
  -webkit-text-fill-color: currentColor;
  box-shadow: none;
  font-family: var(--neuter-sans);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
  transition: background-color .15s ease;
}
.tn-neuter-page .tn-neuter-actions button:hover { background: var(--neuter-hover); }
.tn-neuter-page .tn-neuter-actions [data-neuter-action="sample"] {
  background: var(--neuter-primary);
  color: var(--neuter-primary-text);
  -webkit-text-fill-color: currentColor;
}
.tn-neuter-page .tn-neuter-actions [data-neuter-action="sample"]:hover { background: var(--neuter-primary-hover); }
.tn-neuter-page .tn-neuter-actions button:disabled { opacity: .5; cursor: not-allowed; }
.tn-neuter-page .tn-neuter-pane-label { color: var(--neuter-muted); font-size: 11px; font-weight: 700; letter-spacing: .04em; }
.tn-neuter-page .tn-neuter-window {
  display: grid;
  align-content: center;
  gap: 8px;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--neuter-line);
  background: var(--neuter-wash);
  text-align: center;
  overflow-wrap: anywhere;
  font-family: var(--neuter-sans);
  font-size: clamp(19px, 2.4vw, 30px);
  font-weight: 800;
  font-variant-numeric: lining-nums tabular-nums;
  letter-spacing: normal;
  line-height: 1.25;
}
.tn-neuter-page .tn-neuter-ages { color: var(--neuter-muted); font-size: 13px; }
.tn-neuter-page .tn-neuter-day-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 12px 0; border-block: 1px solid var(--neuter-line); }
.tn-neuter-page .tn-neuter-day-row > div { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; }
.tn-neuter-page .tn-neuter-day-row > span { color: var(--neuter-muted); }
.tn-neuter-page .tn-neuter-days {
  min-width: 0;
  margin: 0;
  font-family: var(--neuter-sans);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  font-variant-numeric: lining-nums tabular-nums;
  letter-spacing: normal;
  line-height: 1.2;
  overflow-wrap: anywhere;
}
.tn-neuter-page .tn-neuter-summary {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding-top: 16px;
  border-top: 1px solid var(--neuter-line);
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.tn-neuter-page :is(.tn-neuter-note, .tn-neuter-error) {
  margin: 0;
  font-size: 12px;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.tn-neuter-page .tn-neuter-note { color: var(--neuter-muted); }
.tn-neuter-page .tn-neuter-error { color: var(--neuter-accent); }
.tn-neuter-page .tn-neuter-error:empty { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.tn-neuter-page .tn-neuter-status {
  margin: 0;
  color: var(--neuter-ink);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  text-wrap: balance;
}
@media (max-width: 700px) {
  .tn-neuter-page .neuter-ad--top { margin-top: 48px; }
  .tn-neuter-page .tn-neuter-tool { grid-template-columns: minmax(0, 1fr); }
  .tn-neuter-page .tn-neuter-input { order: 0; }
  .tn-neuter-page .tn-neuter-result { order: 1; }
  .tn-neuter-page :is(.tn-neuter-input, .tn-neuter-result) { padding: 20px 16px; }
  .tn-neuter-page .tn-neuter-fields { gap: 14px 10px; }
}
@media (max-width: 350px) {
  .tn-neuter-page .tn-neuter-fields { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .tn-neuter-page .tn-neuter-actions button { transition: none; }
}