/* Calculators (owner: tools agent). Loaded on /tools/ pages only. Uses the design tokens of styles/core/00-tokens.css. */

.tool { margin: 0 0 2em; }

.calc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-bottom-width: 4px;
  border-radius: var(--radius-lg);
  padding: 20px;
}
.calc__inputs { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.calc__more, .calc noscript { grid-column: 1 / -1; }
.calc[data-calc="pip"] { grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); }
.calc[data-calc="pip"] .calc__table th, .calc[data-calc="pip"] .calc__table td { padding: 7px 6px; }

/* Fields */
.field { display: flex; flex-direction: column; gap: 4px; }
.field[hidden], [data-mode][hidden] { display: none; }
.field label { font-weight: 700; font-size: 15px; }
.field label small { font-weight: 500; color: var(--muted); }
.field__box {
  display: flex; align-items: center;
  background: var(--bg); border: 2px solid var(--line); border-radius: var(--radius);
  transition: border-color .12s;
}
.field__box:focus-within { border-color: var(--accent); }
.field__box input, .field__box select {
  flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink);
  font-family: var(--mono); font-size: 18px; font-variant-numeric: tabular-nums;
  padding: 11px 12px; outline: none;
}
.field__box select { font-family: var(--body); font-weight: 600; font-size: 17px; cursor: pointer; }
.field__box select option, .field__box select optgroup { background: var(--surface); color: var(--ink); }
.field__affix { padding: 0 12px; color: var(--muted); font-family: var(--mono); font-size: 16px; }
.field__affix:first-child { padding-right: 0; }
.field__affix:last-child { padding-left: 0; }
.field__hint { margin: 0; font-size: 13px; color: var(--muted); }
.field__error { margin: 0; font-size: 14px; font-weight: 600; color: var(--down-text); }
.field__error:empty { display: none; }
.field:has([aria-invalid="true"]) .field__box { border-color: var(--down); background: var(--bad); }

/* Segmented control (stocks / forex) */
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin: 0; padding: 4px; border: 0; background: var(--soft); border-radius: var(--radius); }
.seg legend { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.seg label { position: relative; text-align: center; padding: 9px 8px; border-radius: 11px; font-weight: 700; font-size: 15px; cursor: pointer; color: var(--muted); }
.seg input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg label:has(input:checked) { background: var(--surface); color: var(--ink); box-shadow: 0 2px 0 var(--line); }
.seg label:has(input:focus-visible) { outline: 3px solid var(--accent); outline-offset: 1px; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: -4px; }
.chip {
  border: 1px solid var(--line); background: var(--surface); border-radius: 999px;
  padding: 4px 12px; font-family: var(--mono); font-size: 14px; color: var(--ink);
  box-shadow: 0 2px 0 var(--line);
}
.chip:active { transform: translateY(1px); box-shadow: none; }

/* Results */
.calc__results {
  display: flex; flex-direction: column; gap: 12px; min-width: 0;
  background: var(--soft); border-radius: var(--radius); padding: 16px;
  align-self: start; transition: opacity .15s;
}
.is-stale { opacity: .45; }
.calc__headline { display: flex; flex-direction: column; gap: 2px; margin: 0; }
.calc__headline span { font-size: 14px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.calc__headline strong { font-family: var(--display); font-size: clamp(34px, 6vw, 46px); line-height: 1.05; color: var(--accent); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.calc__headline--small strong { font-size: 32px; }
.calc__headline--small span { text-transform: none; letter-spacing: 0; font-size: 15px; }
.calc__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0; }
.calc__stat { background: var(--surface); border-radius: 10px; padding: 8px 10px; min-width: 0; }
.calc__stat dt { font-size: 12.5px; color: var(--muted); line-height: 1.3; }
.calc__stat dd { margin: 2px 0 0; font-family: var(--mono); font-size: 16px; font-weight: 600; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.calc__stat dd small { font-family: var(--body); font-weight: 500; color: var(--muted); font-size: 12px; }
.calc__dir { margin: 0; font-size: 14px; color: var(--muted); }
.calc__note { margin: 0; font-size: 14px; color: var(--muted); }
.calc__warnings { margin: 0; padding: 10px 12px 10px 30px; border-radius: 10px; background: color-mix(in srgb, var(--xp) 16%, var(--surface)); border-left: 4px solid var(--xp); font-size: 14px; }
.calc__warnings[hidden] { display: none; }
.calc__warnings li + li { margin-top: 4px; }

.calc__table { font-size: 14.5px; font-variant-numeric: tabular-nums; }
.calc__table caption { text-align: left; font-weight: 700; font-size: 14px; padding-bottom: 6px; }
.calc__table th { font-size: 13px; color: var(--muted); font-weight: 700; }
.calc__table td:not(:first-child) { font-family: var(--mono); }
.calc__table tr.is-own td { background: color-mix(in srgb, var(--accent) 12%, transparent); font-weight: 700; }

/* Losing streak block */
.calc__more { border: 0; border-top: 1px solid var(--line); margin: 0; padding: 16px 0 0; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.calc__more legend { font-family: var(--display); font-weight: 800; font-size: 20px; padding: 0; float: left; width: 100%; margin-bottom: 4px; }
.calc__more legend + * { clear: both; }
.calc__row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
.calc__row .field, .field__box input { min-width: 0; }

/* Worked examples and page furniture */
.example { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 18px 8px; margin: 0 0 1em; }
.example h3 { font-size: 17px; margin-top: 1em; }
.example ol { padding-left: 1.3em; }
.example strong { font-variant-numeric: tabular-nums; }
.prose code { background: var(--soft); padding: 1px 5px; border-radius: 6px; overflow-wrap: anywhere; }
.calc__fine { font-size: 13px; color: var(--muted); margin-top: 2em; }
.related { margin-top: 2em; }

@media (max-width: 720px) {
  .calc, .calc[data-calc="pip"] { grid-template-columns: 1fr; padding: 14px; gap: 16px; }
  .calc__results { padding: 14px; }
}
@media (max-width: 340px) {
  .calc__stats, .calc__row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .field__box, .calc__results { transition: none; }
}