/* Coordinate notation workspace. Shared partials own the hero and article. */
.tn-cd-page {
  --cd-paper: #faf6ee; --cd-surface: #fffcf4; --cd-wash: #f5efdf;
  --cd-ink: #1a1208; --cd-muted: #5a4a30; --cd-line: #b8a888; --cd-soft: #ddd4be;
  --cd-button: #ede6d4; --cd-hover: #dfd4bb; --cd-accent: #c44a00;
  --cd-primary: #1a1208; --cd-primary-hover: #62331a; --cd-primary-text: #faf6ee;
  --cd-sans: -apple-system, BlinkMacSystemFont, "Pretendard", "Segoe UI", system-ui, sans-serif;
  color: var(--cd-ink); -webkit-text-fill-color: var(--cd-ink);
  -webkit-font-smoothing: antialiased;
}
.tn-cd-page *, .tn-cd-page *::before, .tn-cd-page *::after { box-sizing: border-box; }
.tn-cd-page .tn-cd-ad { width: min(900px, 100%); min-height: 90px; margin-inline: auto; background: transparent; }
.tn-cd-page .tn-cd-ad--top { margin-top: 54px; margin-bottom: 20px; }
.tn-cd-page .tn-cd-ad--bottom { margin-top: 16px; margin-bottom: 28px; }
.tn-cd-page .tn-cd-tool { font-family: var(--cd-sans); }
.tn-cd-page .tn-cd-tool :is(h2, h3, p) { margin: 0; color: inherit; -webkit-text-fill-color: currentColor; }
.tn-cd-page .tn-cd-tool [hidden] { display: none !important; }
.tn-cd-page .tn-cd-tool :is(button, input, select) {
  margin: 0; border-radius: 0; box-shadow: none; text-transform: none; letter-spacing: normal;
  color: var(--cd-ink); -webkit-text-fill-color: var(--cd-ink);
}
.tn-cd-page .tn-cd-tool :is(button, input, select):focus-visible { outline: 2px solid var(--cd-accent); outline-offset: 2px; }
.tn-cd-page .tn-cd-tool button {
  display: inline-grid; place-items: center; min-height: 40px; min-width: 40px;
  padding: 12px 16px; border: 1px solid var(--cd-line); background: var(--cd-button);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px; font-weight: 700; line-height: 1; text-align: center; cursor: pointer;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease, transform .12s ease;
}
.tn-cd-page .tn-cd-tool button:disabled { cursor: not-allowed; opacity: .5; }
.tn-cd-page .tn-cd-tool button:not(:disabled):active { transform: scale(.96); }
.tn-cd-page .tn-cd-modebar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 16px; border: 1px solid var(--cd-line); border-top: 3px double var(--cd-line);
  background: var(--cd-wash); margin-bottom: 14px;
}
.tn-cd-page .tn-cd-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.tn-cd-page .tn-cd-tabs button { min-width: 148px; background: transparent; border-color: transparent; }
.tn-cd-page .tn-cd-tabs button[aria-selected="true"] { background: var(--cd-primary); border-color: var(--cd-primary); color: var(--cd-primary-text); -webkit-text-fill-color: var(--cd-primary-text); }
.tn-cd-page .tn-cd-mode-note { font-size: 12px; color: var(--cd-muted); -webkit-text-fill-color: var(--cd-muted); }
.tn-cd-page .tn-cd-workspace { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 26px minmax(0, 1fr); align-items: start; }
.tn-cd-page .tn-cd-pane { min-width: 0; padding: 24px; border: 1px solid var(--cd-line); background: var(--cd-paper); }
.tn-cd-page .tn-cd-pane--result { background: var(--cd-wash); }
.tn-cd-page .tn-cd-pane-head { display: flex; align-items: baseline; gap: 9px; padding-bottom: 18px; margin-bottom: 20px; border-bottom: 1px solid var(--cd-soft); }
.tn-cd-page .tn-cd-pane-head h2 { font-size: 17px; font-weight: 800; line-height: 1.4; }
.tn-cd-page .tn-cd-pane-head small { margin-left: auto; font-size: 11px; line-height: 1.5; color: var(--cd-muted); -webkit-text-fill-color: var(--cd-muted); }
.tn-cd-page .tn-cd-step { font-size: 11px; font-weight: 800; font-variant-numeric: tabular-nums; color: var(--cd-accent); -webkit-text-fill-color: var(--cd-accent); }
.tn-cd-page .tn-cd-decimal-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.tn-cd-page .tn-cd-field { min-width: 0; }
.tn-cd-page .tn-cd-field label { display: flex; align-items: baseline; justify-content: space-between; gap: 4px; margin: 0 0 5px; padding: 0; font-size: 12px; font-weight: 700; line-height: 1.5; }
.tn-cd-page .tn-cd-field label span { color: var(--cd-muted); -webkit-text-fill-color: var(--cd-muted); font-size: 10px; font-weight: 400; }
.tn-cd-page .tn-cd-tool :is(input, select) {
  display: block; width: 100%; min-width: 0; height: 44px; padding: 10px 12px;
  border: 1px solid var(--cd-line); background: var(--cd-surface);
  font-family: var(--cd-sans); font-size: 16px; font-weight: 600; line-height: 1.4;
  font-variant-numeric: lining-nums tabular-nums;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease;
}
.tn-cd-page .tn-cd-tool input::placeholder { color: var(--cd-ink); -webkit-text-fill-color: var(--cd-ink); font-weight: 400; opacity: .35; }
.tn-cd-page .tn-cd-tool input[aria-invalid="true"] { border-color: var(--cd-accent); }
.tn-cd-page .tn-cd-control { position: relative; }
.tn-cd-page .tn-cd-control input { padding-right: 42px; }
.tn-cd-page .tn-cd-control b { position: absolute; inset: 0 0 0 auto; display: grid; place-items: center; width: 34px; border: 1px solid var(--cd-line); background: var(--cd-button); color: var(--cd-muted); -webkit-text-fill-color: var(--cd-muted); font-size: 17px; font-weight: 600; pointer-events: none; }
.tn-cd-page .tn-cd-tool .tn-cd-hint { margin-top: 12px; font-size: 12px; line-height: 1.7; color: var(--cd-muted); -webkit-text-fill-color: var(--cd-muted); text-wrap: pretty; }
.tn-cd-page .tn-cd-dms-axis + .tn-cd-dms-axis { margin-top: 18px; }
.tn-cd-page .tn-cd-dms-axis h3 { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 9px; font-size: 13px; font-weight: 750; }
.tn-cd-page .tn-cd-dms-axis h3 span { font-size: 10px; font-weight: 400; color: var(--cd-muted); -webkit-text-fill-color: var(--cd-muted); }
.tn-cd-page .tn-cd-dms-fields { display: grid; grid-template-columns: 1fr 1fr 1.2fr 1.4fr; gap: 8px; }
.tn-cd-page .tn-cd-select-wrap { position: relative; }
.tn-cd-page .tn-cd-select-wrap::after { content: ""; position: absolute; top: 18px; right: 12px; width: 6px; height: 6px; border-right: 1px solid var(--cd-ink); border-bottom: 1px solid var(--cd-ink); transform: rotate(45deg); pointer-events: none; }
.tn-cd-page .tn-cd-tool select { appearance: none; padding-right: 26px; cursor: pointer; font-size: 13px; }
.tn-cd-page .tn-cd-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 20px; }
.tn-cd-page .tn-cd-tool .tn-cd-status { display: grid; place-items: center; margin-top: 12px; padding: 12px; border: 1px solid var(--cd-soft); font-size: 12px; line-height: 1.6; text-align: center; color: var(--cd-muted); -webkit-text-fill-color: var(--cd-muted); overflow-wrap: anywhere; }
.tn-cd-page .tn-cd-flow { display: grid; place-items: center; color: var(--cd-accent); -webkit-text-fill-color: var(--cd-accent); font-size: 22px; }
.tn-cd-page .tn-cd-result-axis { padding: 0 0 16px; margin-bottom: 16px; border-bottom: 1px solid var(--cd-soft); }
.tn-cd-page .tn-cd-result-axis > span { display: flex; gap: 9px; align-items: baseline; font-size: 12px; font-weight: 650; }
.tn-cd-page .tn-cd-result-axis small { font-size: 9px; letter-spacing: .1em; color: var(--cd-muted); -webkit-text-fill-color: var(--cd-muted); }
.tn-cd-page .tn-cd-tool output { display: block; font-family: var(--cd-sans); font-weight: 800; font-variant-numeric: lining-nums tabular-nums; color: var(--cd-ink); -webkit-text-fill-color: var(--cd-ink); overflow-wrap: anywhere; }
.tn-cd-page .tn-cd-result-axis output { margin-top: 7px; font-size: clamp(22px, 2.3vw, 31px); line-height: 1.5; }
.tn-cd-page .tn-cd-pair { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 6px 12px; }
.tn-cd-page .tn-cd-pair > span { grid-column: 1 / -1; font-size: 11px; color: var(--cd-muted); -webkit-text-fill-color: var(--cd-muted); }
.tn-cd-page .tn-cd-pair output { font-size: 13px; line-height: 1.8; }
.tn-cd-page .tn-cd-tool #cdCopy { background: var(--cd-primary); border-color: var(--cd-primary); color: var(--cd-primary-text); -webkit-text-fill-color: var(--cd-primary-text); }
.tn-cd-page .tn-cd-tool .tn-cd-formula { margin-top: 16px; font-size: 11px; line-height: 1.7; color: var(--cd-muted); -webkit-text-fill-color: var(--cd-muted); overflow-wrap: anywhere; }
.tn-cd-page .tn-cd-tool > .tn-cd-footnote { margin-top: 14px; padding: 12px 16px; border: 1px solid var(--cd-soft); background: var(--cd-paper); font-size: 12px; line-height: 1.7; color: var(--cd-muted); -webkit-text-fill-color: var(--cd-muted); text-wrap: pretty; }
@media (hover: hover) {
  .tn-cd-page .tn-cd-tool button:not(:disabled):hover { background: var(--cd-hover); border-color: var(--cd-ink); }
  .tn-cd-page .tn-cd-tool :is(#cdCopy, [aria-selected="true"]):not(:disabled):hover { background: var(--cd-primary-hover); border-color: var(--cd-primary-hover); }
  .tn-cd-page .tn-cd-tool :is(input, select):hover { border-color: var(--cd-ink); }
}
body:is([data-scheme="dark"], [data-scheme="inverse"], [data-scheme="auto"][data-l="dark"], [data-scheme="auto"][data-d="dark"]) .tn-cd-page,
html[data-scheme="dark"] body:not([data-scheme="light"]) .tn-cd-page {
  --cd-paper: #241d12; --cd-surface: #322a1a; --cd-wash: #2c2517;
  --cd-ink: #efe6d2; --cd-muted: #c3b492; --cd-line: #826744; --cd-soft: #574a37;
  --cd-button: #2f2115; --cd-hover: #3a2a1b; --cd-accent: #e8823f;
  --cd-primary: #6a3b1f; --cd-primary-hover: #824826; --cd-primary-text: #f7ead1;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  body[data-scheme="auto"] .tn-cd-page {
    --cd-paper: #241d12; --cd-surface: #322a1a; --cd-wash: #2c2517;
    --cd-ink: #efe6d2; --cd-muted: #c3b492; --cd-line: #826744; --cd-soft: #574a37;
    --cd-button: #2f2115; --cd-hover: #3a2a1b; --cd-accent: #e8823f;
    --cd-primary: #6a3b1f; --cd-primary-hover: #824826; --cd-primary-text: #f7ead1;
    color-scheme: dark;
  }
}
@media (max-width: 760px) {
  .tn-cd-page .tn-cd-ad--top { margin-top: 48px; }
  .tn-cd-page .tn-cd-modebar { display: block; padding: 10px; margin-bottom: 12px; }
  .tn-cd-page .tn-cd-tabs { width: 100%; }
  .tn-cd-page .tn-cd-tabs button { min-width: 0; padding-inline: 8px; }
  .tn-cd-page .tn-cd-mode-note { display: block; margin-top: 10px; text-align: center; font-size: 11px; }
  .tn-cd-page .tn-cd-workspace { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .tn-cd-page .tn-cd-flow { display: none; }
  .tn-cd-page .tn-cd-pane { padding: 18px 16px; }
  .tn-cd-page .tn-cd-pane-head { padding-bottom: 12px; margin-bottom: 16px; }
  .tn-cd-page .tn-cd-pane-head h2 { font-size: 16px; }
  .tn-cd-page .tn-cd-pane-head small { font-size: 10px; }
  .tn-cd-page .tn-cd-decimal-fields { gap: 10px; }
  .tn-cd-page .tn-cd-dms-fields { grid-template-columns: 1fr 1fr 1.15fr 1.45fr; gap: 6px; }
  .tn-cd-page .tn-cd-dms-fields input { padding-inline: 8px; }
  .tn-cd-page .tn-cd-tool select { padding-left: 7px; padding-right: 21px; font-size: 12px; }
  .tn-cd-page .tn-cd-select-wrap::after { right: 9px; }
  .tn-cd-page .tn-cd-actions { margin-top: 16px; }
  .tn-cd-page .tn-cd-result-axis output { font-size: 25px; }
  .tn-cd-page .tn-cd-pair { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .tn-cd-page .tn-cd-pair button { width: 100%; margin-top: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  .tn-cd-page .tn-cd-tool :is(button, input, select) { transition: none; }
  .tn-cd-page .tn-cd-tool button:not(:disabled):active { transform: none; }
}