/* calc.css: styles specific to GET /calc (tasks/T09-calculator-ui.md).
   Loaded only on the calculator page (src/app/views/Calc.tsx links it
   directly, not through Layout.tsx, which is T07-owned and generic).
   Reuses the design tokens defined in Layout.tsx's critical CSS
   (--bg, --surface, --ink, --muted, --rule, --accent, --accent-ink, --up,
   --down) and public/site.css's .price-table / .empty-state / .coming-soon
   classes; does not redefine them. */

.calc-page fieldset {
  border: 1px solid var(--rule);
  background: var(--surface);
  padding: 0.75rem 1rem 1rem;
  margin: 0.75rem 0;
}
.calc-page legend {
  font-weight: 600;
  padding: 0 0.4rem;
}
.calc-page label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 13px;
  margin: 0.4rem 0;
}
.calc-page fieldset > label,
.calc-page fieldset > details {
  display: inline-flex;
  vertical-align: top;
}
.calc-page fieldset > details {
  display: block;
  margin: 0.5rem 0;
}
.calc-page label:has(input[type="checkbox"]),
.calc-page label:has(input[type="radio"]) {
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
}
.calc-page input,
.calc-page select {
  font: inherit;
  padding: 0.2rem 0.3rem;
  border: 1px solid var(--rule);
  background: var(--bg);
  min-width: 10rem;
}
.calc-page input[type="checkbox"],
.calc-page input[type="radio"] {
  min-width: 0;
  width: auto;
}
.calc-page input[type="range"] {
  min-width: 14rem;
}
.calc-page button {
  font: inherit;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--ink);
  background: var(--surface);
  cursor: pointer;
  margin: 0.3rem 0.5rem 0.3rem 0;
}
.calc-page button:hover {
  background: var(--accent);
  border-color: var(--accent-ink);
}

/* ---- Fairness controls row -------------------------------------------- */

.fairness-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: flex-start;
}
.horizon-radios {
  border: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}
.horizon-radios legend {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
  padding: 0;
}
.calc-note {
  flex-basis: 100%;
  margin: -0.25rem 0 0;
}

/* ---- Two-column cloud / local layout ----------------------------------- */

.calc-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 900px) {
  .calc-columns {
    grid-template-columns: 1fr;
  }
}

.calc-result-block {
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--rule);
}
.calc-headline {
  font-size: 1.1rem;
  margin: 0.25rem 0;
}
.calc-breakdown,
.calc-other-hosts {
  margin: 0.5rem 0;
}

/* ---- Status: errors and warnings --------------------------------------- */

.calc-error {
  color: var(--up);
  border: 1px solid var(--up);
  background: var(--surface);
  padding: 0.5rem 0.75rem;
  font-weight: 600;
}
.calc-warnings {
  color: var(--accent-ink);
  border: 1px solid var(--accent);
  background: var(--surface);
  padding: 0.5rem 0.75rem 0.5rem 1.5rem;
  margin: 0.5rem 0;
}

/* ---- Sticky results bar ------------------------------------------------ */

.calc-sticky-bar {
  position: sticky;
  bottom: 0;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 1rem;
  margin: 1rem 0;
  font-size: 14px;
  border-top: 2px solid var(--accent);
}
.calc-sticky-bar .calc-sticky-label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #c9c9c6;
}
.calc-sticky-bar .mono {
  color: #fff;
}

.calc-active-horizon {
  font-weight: 600;
  color: var(--accent-ink);
}

/* ---- Chart --------------------------------------------------------------- */

.calc-chart {
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 0.5rem;
  min-height: 296px;
}

/* ---- Permalink ----------------------------------------------------------- */

.permalink-row {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 0.75rem;
  margin: 1rem 0;
}
.calc-page .permalink-row label {
  flex: 1 1 24rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 13px;
}
.permalink-row input {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 0.3rem;
  border: 1px solid var(--rule);
  background: var(--bg);
  width: 100%;
}

@media (max-width: 640px) {
  .calc-sticky-bar {
    flex-direction: column;
    gap: 0.25rem;
  }
}