/*
 * NMFR public calculators — styled to the NMFR website mockups: dark navy cards, NMFR green for
 * actions and results, blue for Save to Sidecar, red only for warnings.
 *
 * Layout: "Your Inputs" and "Your Result" side by side on wide containers, then the comparison table
 * and the disclaimer full width. Container queries make it fit whatever Divi column it sits in.
 * Everything is scoped under .nmfr-calc / .nmfr-modal. Re-theme by overriding the --nmfr-* tokens.
 */
.nmfr-calc,
.nmfr-modal {
  /* Color — NMFR brand tokens (Web Dev Brand Package, design-tokens.css) */
  --nmfr-surface: #061d26;                  /* deep navy */
  --nmfr-surface-2: #082832;                /* panel */
  --nmfr-field: #0a2e39;                    /* inputs: one step lighter than the panel */
  --nmfr-line: rgba(16, 239, 194, .16);
  --nmfr-line-strong: rgba(16, 239, 194, .30);
  --nmfr-text: #f7fafc;
  --nmfr-muted: #a9bbc2;
  --nmfr-faint: #7f949c;
  --nmfr-green: #10efc2;                    /* aqua: primary result, selected controls, icons */
  --nmfr-green-ink: #03141b;
  --nmfr-cta: linear-gradient(90deg, #00cfa8, #10efc2);
  --nmfr-glow: 0 0 28px rgba(16, 239, 194, .18);
  --nmfr-positive: #18d68a;                 /* within-limit statuses */
  --nmfr-amber: #f4c84a;                    /* caution only */
  --nmfr-red: #ff4d4d;                      /* exceeded / loss only */
  --nmfr-panel-bg: linear-gradient(180deg, rgba(8, 40, 50, .96), rgba(3, 20, 27, .96));
  /* Type */
  --nmfr-font: "Inter", Arial, Helvetica, sans-serif;
  /* Shape */
  --nmfr-radius: 14px;
  --nmfr-radius-sm: 8px;
}

.nmfr-calc {
  container-type: inline-size;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  max-width: 1180px;
  margin: 0 auto;
  color: var(--nmfr-text);
  font: 400 15px/1.5 var(--nmfr-font);
  text-align: left;
  scroll-margin-top: 90px;
}
.nmfr-calc *, .nmfr-calc *::before, .nmfr-calc *::after,
.nmfr-modal *, .nmfr-modal *::before, .nmfr-modal *::after { box-sizing: border-box; }
.nmfr-calc :where(h2, h3, p, dl, dd, ul, table) { margin: 0; padding: 0; }
.nmfr-calc .nmfr-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.nmfr-calc .nmfr-icon, .nmfr-modal .nmfr-icon { width: 22px; height: 22px; flex: 0 0 auto; }

/* ---------- Cards ---------- */
.nmfr-calc .nmfr-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; align-items: start; }
.nmfr-calc > * { min-width: 0; }
@container (min-width: 900px) {
  .nmfr-calc .nmfr-grid { grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr); }
}
.nmfr-calc .nmfr-card {
  min-width: 0;
  padding: 22px;
  background: var(--nmfr-panel-bg);
  border: 1px solid var(--nmfr-line-strong);
  border-radius: var(--nmfr-radius);
}
.nmfr-calc .nmfr-card__head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 18px; }
.nmfr-calc .nmfr-card__head > .nmfr-icon { color: var(--nmfr-green); width: 26px; height: 26px; }
.nmfr-calc .nmfr-card__title { font-size: 21px; line-height: 1.2; font-weight: 750; letter-spacing: -0.01em; color: var(--nmfr-text); text-wrap: balance; }
.nmfr-calc .nmfr-card__aside { margin-left: auto; font-size: 13.5px; color: var(--nmfr-muted); }
.nmfr-calc .nmfr-card__head--stack .nmfr-card__aside { margin-left: 0; flex-basis: 100%; }
@container (min-width: 900px) {
  .nmfr-calc .nmfr-card__head--stack .nmfr-card__aside { flex-basis: auto; margin-left: 6px; }
}
.nmfr-calc .nmfr-badge {
  margin-left: auto;
  padding: 4px 10px;
  border: 1px solid color-mix(in srgb, var(--nmfr-green) 45%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--nmfr-green) 10%, transparent);
  color: var(--nmfr-green);
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}

/* ---------- Inputs ---------- */
.nmfr-calc .nmfr-inputs { container-type: inline-size; }
.nmfr-calc .nmfr-form { display: grid; gap: 14px; }
.nmfr-calc .nmfr-row { display: grid; gap: 6px; }
.nmfr-calc .nmfr-row__label { font-size: 14px; font-weight: 650; color: var(--nmfr-text); }
.nmfr-calc .nmfr-optional { font-weight: 500; color: var(--nmfr-muted); }
.nmfr-calc .nmfr-row__control { display: grid; gap: 6px; min-width: 0; }
.nmfr-calc .nmfr-row__help { font-size: 12.5px; line-height: 1.45; color: var(--nmfr-muted); }
.nmfr-calc .nmfr-row__error { font-size: 12.5px; font-weight: 600; color: var(--nmfr-red); }
@container (min-width: 560px) {
  .nmfr-calc .nmfr-row { grid-template-columns: 150px 150px minmax(0, 1fr); align-items: center; gap: 6px 16px; }
  .nmfr-calc .nmfr-row--chips { grid-template-columns: 150px minmax(0, 1fr); align-items: start; }
  .nmfr-calc .nmfr-row--chips .nmfr-row__label { padding-top: 11px; }
  .nmfr-calc .nmfr-row .nmfr-row__error { grid-column: 1; }
}

.nmfr-calc .nmfr-input {
  display: flex;
  align-items: center;
  min-height: 44px;
  background: var(--nmfr-field);
  border: 1px solid var(--nmfr-line-strong);
  border-radius: var(--nmfr-radius-sm);
  transition: border-color .15s, box-shadow .15s;
}
.nmfr-calc .nmfr-input:hover { border-color: color-mix(in srgb, var(--nmfr-muted) 60%, var(--nmfr-line-strong)); }
.nmfr-calc .nmfr-input:focus-within { border-color: var(--nmfr-green); box-shadow: 0 0 0 3px color-mix(in srgb, var(--nmfr-green) 20%, transparent); }
.nmfr-calc .is-invalid .nmfr-input { border-color: var(--nmfr-red); }
.nmfr-calc .is-invalid .nmfr-input:focus-within { box-shadow: 0 0 0 3px color-mix(in srgb, var(--nmfr-red) 22%, transparent); }
.nmfr-calc .nmfr-input input {
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  height: 42px;
  margin: 0;
  padding: 0 12px;
  border: 0;
  background: transparent;
  color: var(--nmfr-text);
  font: 600 15px/1 var(--nmfr-font);
  font-variant-numeric: tabular-nums;
  box-shadow: none;
  outline: none;
}
.nmfr-calc .nmfr-input__affix { padding-left: 12px; color: var(--nmfr-muted); font-weight: 600; }
.nmfr-calc .nmfr-input__affix + input { padding-left: 8px; }
.nmfr-calc .nmfr-input input + .nmfr-input__affix { padding: 0 12px 0 0; }
.nmfr-calc .nmfr-input--narrow { max-width: 150px; }

/* ATR multiple chips */
.nmfr-calc .nmfr-chips { display: grid; grid-template-columns: repeat(auto-fit, minmax(64px, 1fr)); gap: 8px; }
.nmfr-calc .nmfr-chip { position: relative; cursor: pointer; }
.nmfr-calc .nmfr-chip input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.nmfr-calc .nmfr-chip span {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  border: 1px solid var(--nmfr-line-strong);
  border-radius: var(--nmfr-radius-sm);
  background: var(--nmfr-field);
  color: var(--nmfr-text);
  font-weight: 650;
  font-size: 14px;
  transition: background .15s, border-color .15s, color .15s;
}
.nmfr-calc .nmfr-chip:hover span { border-color: color-mix(in srgb, var(--nmfr-green) 50%, var(--nmfr-line-strong)); }
.nmfr-calc .nmfr-chip input:checked + span { background: var(--nmfr-green); border-color: var(--nmfr-green); color: var(--nmfr-green-ink); }
.nmfr-calc .nmfr-chip input:focus-visible + span { outline: 2px solid var(--nmfr-green); outline-offset: 2px; }

/* Buttons */
.nmfr-calc .nmfr-actions { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 12px; margin-top: 8px; }
.nmfr-calc .nmfr-btn, .nmfr-modal .nmfr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--nmfr-radius-sm);
  font: 700 15px/1.2 var(--nmfr-font);
  text-decoration: none;
  cursor: pointer;
  transition: filter .15s, background .15s, border-color .15s;
}
.nmfr-calc .nmfr-btn .nmfr-icon, .nmfr-modal .nmfr-btn .nmfr-icon { width: 20px; height: 20px; }
.nmfr-calc .nmfr-btn--primary, .nmfr-modal .nmfr-btn--primary { background: var(--nmfr-cta); color: var(--nmfr-green-ink); font-weight: 800; box-shadow: var(--nmfr-glow); }
.nmfr-calc .nmfr-btn--primary:hover, .nmfr-modal .nmfr-btn--primary:hover { filter: brightness(1.08); color: var(--nmfr-green-ink); }
.nmfr-calc .nmfr-btn--ghost, .nmfr-modal .nmfr-btn--ghost { background: transparent; border-color: color-mix(in srgb, var(--nmfr-text) 70%, transparent); color: var(--nmfr-text); }
.nmfr-calc .nmfr-btn--ghost:hover, .nmfr-modal .nmfr-btn--ghost:hover { background: color-mix(in srgb, var(--nmfr-text) 8%, transparent); color: var(--nmfr-text); }
.nmfr-calc .nmfr-btn--save { width: 100%; background: var(--nmfr-cta); color: var(--nmfr-green-ink); font-weight: 800; box-shadow: var(--nmfr-glow); }
.nmfr-calc .nmfr-btn--save:hover { filter: brightness(1.08); }
.nmfr-calc .nmfr-btn:disabled { opacity: .45; cursor: not-allowed; filter: none; }
.nmfr-calc .nmfr-btn:focus-visible, .nmfr-modal .nmfr-btn:focus-visible { outline: 2px solid var(--nmfr-text); outline-offset: 3px; }

/* ---------- Result ---------- */
.nmfr-calc .nmfr-result { outline: none; scroll-margin-top: 90px; }
.nmfr-calc .nmfr-result:focus-visible { box-shadow: 0 0 0 2px var(--nmfr-green); }
.nmfr-calc .nmfr-result__body {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--nmfr-line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--nmfr-field) 70%, transparent);
}
.nmfr-calc .nmfr-readout { display: grid; justify-items: center; gap: 2px; padding-bottom: 14px; border-bottom: 1px solid var(--nmfr-line); text-align: center; }
.nmfr-calc .nmfr-readout__label { font-size: 16px; font-weight: 700; color: var(--nmfr-text); }
.nmfr-calc .nmfr-readout__value { font-size: clamp(44px, 9cqi, 64px); line-height: 1.05; font-weight: 800; letter-spacing: -0.02em; color: var(--nmfr-green); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.nmfr-calc .nmfr-readout__unit { font-size: 18px; font-weight: 600; color: var(--nmfr-text); }
.nmfr-calc .nmfr-readout__context { margin-top: 4px; font-size: 12.5px; color: var(--nmfr-muted); }

.nmfr-calc .nmfr-figures { display: grid; }
.nmfr-calc .nmfr-figures__row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 7px 0; border-bottom: 1px solid color-mix(in srgb, var(--nmfr-line) 60%, transparent); }
.nmfr-calc .nmfr-figures__row:last-child { border-bottom: 0; }
.nmfr-calc .nmfr-figures dt { font-size: 14px; color: var(--nmfr-muted); }
.nmfr-calc .nmfr-figures dd { font-size: 15px; font-weight: 700; color: var(--nmfr-text); font-variant-numeric: tabular-nums; text-align: right; }
.nmfr-calc .nmfr-figures__row.is-ok dd { color: var(--nmfr-positive); }
.nmfr-calc .nmfr-figures__row.is-caution dd { color: var(--nmfr-amber); }
.nmfr-calc .nmfr-figures__row.is-violation dd { color: var(--nmfr-red); }

.nmfr-calc .nmfr-status { --tone: var(--nmfr-positive); display: flex; gap: 12px; padding: 14px; border: 1px solid color-mix(in srgb, var(--tone) 55%, transparent); border-radius: 10px; background: color-mix(in srgb, var(--tone) 9%, transparent); font-size: 13.5px; color: var(--nmfr-text); }
.nmfr-calc .nmfr-status.is-caution { --tone: var(--nmfr-amber); }
.nmfr-calc .nmfr-status.is-violation { --tone: var(--nmfr-red); }
.nmfr-calc .nmfr-status > .nmfr-icon { color: var(--tone); width: 26px; height: 26px; }
.nmfr-calc .nmfr-status div { display: grid; gap: 4px; }
.nmfr-calc .nmfr-status__title { font-size: 15px; font-weight: 750; color: var(--tone); }

.nmfr-calc .nmfr-empty { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 180px; text-align: center; color: var(--nmfr-muted); }
.nmfr-calc .nmfr-empty .nmfr-icon { color: var(--nmfr-red); }

.nmfr-calc .nmfr-save { display: grid; gap: 10px; margin-top: 16px; text-align: center; }
.nmfr-calc .nmfr-save p { font-size: 13px; color: var(--nmfr-muted); }

/* ---------- Comparison table ---------- */
.nmfr-calc .nmfr-compare .nmfr-card__title { font-size: 19px; }
.nmfr-calc .nmfr-table { overflow-x: auto; border: 1px solid var(--nmfr-line); border-radius: 10px; }
.nmfr-calc .nmfr-table:focus-visible { outline: 2px solid var(--nmfr-green); outline-offset: 2px; }
/* .nmfr-table prefix outranks theme table styles such as Divi's .entry-content table / tr td. */
.nmfr-calc .nmfr-table table { width: 100%; min-width: 520px; margin: 0; border: 0; border-collapse: separate; border-spacing: 0; font-variant-numeric: tabular-nums; }
.nmfr-calc .nmfr-table th, .nmfr-calc .nmfr-table td { padding: 11px 14px; border: 0; border-top: 1px solid var(--nmfr-line); text-align: center; font-size: 14.5px; background: none; color: var(--nmfr-text); }
.nmfr-calc .nmfr-table thead th { border-top: 0; background: var(--nmfr-surface-2); font-size: 13.5px; font-weight: 700; color: var(--nmfr-text); }
.nmfr-calc .nmfr-table tbody th { font-weight: 600; }
.nmfr-calc tbody tr.is-violation:not(.is-selected) th,
.nmfr-calc tbody tr.is-violation:not(.is-selected) td:last-child { color: var(--nmfr-red); }
.nmfr-calc tbody tr.is-selected { --tone: var(--nmfr-green); }
.nmfr-calc tbody tr.is-selected.is-caution { --tone: var(--nmfr-amber); }
.nmfr-calc tbody tr.is-selected.is-violation { --tone: var(--nmfr-red); }
.nmfr-calc tbody tr.is-selected > * {
  background: color-mix(in srgb, var(--tone) 12%, transparent);
  color: var(--tone);
  font-weight: 700;
  border-top: 1px solid var(--tone);
  border-bottom: 1px solid var(--tone);
}
.nmfr-calc tbody tr.is-selected > :first-child { border-left: 1px solid var(--tone); }
.nmfr-calc tbody tr.is-selected > :last-child { border-right: 1px solid var(--tone); }
.nmfr-calc tbody tr.is-selected + tr > * { border-top-color: transparent; }
.nmfr-calc .nmfr-dot { display: inline-block; width: 10px; height: 10px; margin-right: 8px; border-radius: 50%; vertical-align: 0; background: var(--nmfr-positive); }
.nmfr-calc .nmfr-dot.is-caution { background: var(--nmfr-amber); }
.nmfr-calc .nmfr-dot.is-violation { background: var(--nmfr-red); }
.nmfr-calc .nmfr-compare__note { margin-top: 10px; font-size: 12.5px; color: var(--nmfr-muted); }

/* ---------- Disclaimer ---------- */
.nmfr-calc .nmfr-disclaimer { display: flex; gap: 14px; align-items: flex-start; padding: 16px 20px; border: 1px solid var(--nmfr-line); border-radius: var(--nmfr-radius); background: var(--nmfr-surface); }
.nmfr-calc .nmfr-disclaimer .nmfr-icon { color: var(--nmfr-amber); width: 26px; height: 26px; }
.nmfr-calc .nmfr-disclaimer p { font-size: 12.5px; line-height: 1.55; color: var(--nmfr-muted); }
.nmfr-calc .nmfr-disclaimer strong { display: block; margin-bottom: 2px; font-size: 14px; color: var(--nmfr-amber); }

/* ---------- Narrow containers ---------- */
@container (max-width: 480px) {
  .nmfr-calc .nmfr-card { padding: 16px; }
  .nmfr-calc .nmfr-card__aside { margin-left: 0; flex-basis: 100%; }
  .nmfr-calc .nmfr-actions { grid-template-columns: 1fr; }
  .nmfr-calc .nmfr-chips { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .nmfr-calc .nmfr-result__body { padding: 14px; }
}

/* ---------- Save to Sidecar modal ---------- */
.nmfr-modal { position: fixed; inset: 0; z-index: 100000; display: grid; place-items: center; padding: 16px; font: 400 15px/1.5 var(--nmfr-font); }
.nmfr-modal[hidden] { display: none; }
.nmfr-modal__backdrop { position: absolute; inset: 0; background: rgba(2, 6, 10, .72); backdrop-filter: blur(3px); }
.nmfr-modal__panel {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 12px;
  width: min(440px, 100%);
  padding: 30px 26px 26px;
  border: 1px solid var(--nmfr-line-strong);
  border-radius: var(--nmfr-radius);
  background: var(--nmfr-surface-2);
  color: var(--nmfr-text);
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .5);
}
.nmfr-modal h2 { margin: 0; font-size: 21px; font-weight: 750; color: var(--nmfr-text); }
.nmfr-modal p { margin: 0; font-size: 14px; color: var(--nmfr-muted); }
.nmfr-modal__icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: color-mix(in srgb, var(--nmfr-green) 14%, transparent); color: var(--nmfr-green); }
.nmfr-modal__icon .nmfr-icon { width: 26px; height: 26px; }
.nmfr-modal__actions { display: grid; gap: 10px; width: 100%; margin-top: 8px; }
.nmfr-modal__close { position: absolute; top: 10px; right: 10px; display: grid; place-items: center; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 8px; background: none; color: var(--nmfr-muted); cursor: pointer; }
.nmfr-modal__close:hover { color: var(--nmfr-text); background: color-mix(in srgb, var(--nmfr-text) 8%, transparent); }
.nmfr-modal__close:focus-visible { outline: 2px solid var(--nmfr-green); }

@media (prefers-reduced-motion: reduce) {
  .nmfr-calc *, .nmfr-modal * { transition: none !important; }
}