/* ==========================================================================
   Budget and Bricks — calculator interface styles
   Loaded only on calculator pages, after styles.css
   ========================================================================== */

.page-head { padding-block: clamp(2.5rem, 7vw, 4rem) 1.5rem; }

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  font-family: var(--mono);
  font-size: var(--step--1);
  color: var(--ink-faint);
}
.breadcrumbs a { color: var(--ink-faint); text-decoration: none; }
.breadcrumbs a:hover { color: var(--cyan); }
.breadcrumbs li:not(:last-child)::after { content: " /"; color: var(--rule); }

.page-title { font-size: var(--step-3); max-width: 20ch; }

.page-lede {
  margin-top: 1.25rem;
  max-width: 60ch;
  font-size: var(--step-1);
  color: var(--ink-muted);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Calculator shell
   -------------------------------------------------------------------------- */

.calc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-block: 1rem 3rem;
}

@media (min-width: 60rem) {
  .calc { grid-template-columns: 1.1fr 1fr; align-items: start; }
  .calc__results { position: sticky; top: 5.5rem; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 4vw, 1.9rem);
}

.panel__title {
  font-size: var(--step-1);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

/* --------------------------------------------------------------------------
   Fields
   -------------------------------------------------------------------------- */

.field { margin-bottom: 1.35rem; }

.field__label {
  display: block;
  font-size: var(--step--1);
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.field__hint {
  display: block;
  font-size: var(--step--1);
  font-weight: 400;
  color: var(--ink-faint);
  margin-top: 0.3rem;
}

.field__wrap { position: relative; display: flex; align-items: center; }

.field__prefix,
.field__suffix {
  position: absolute;
  font-family: var(--mono);
  font-size: var(--step-0);
  color: var(--ink-faint);
  pointer-events: none;
}
.field__prefix { left: 0.9rem; }
.field__suffix { right: 0.9rem; }

.input {
  width: 100%;
  min-height: 3rem;
  padding: 0 0.9rem;
  background: #0B102699;
  border: 1px solid var(--rule);
  border-radius: 10px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: var(--step-0);
  transition: border-color 0.15s ease;
}
.input:hover { border-color: #FFFFFF33; }
.input:focus { border-color: var(--cyan); }
.input--money { padding-left: 2rem; }
.input--percent { padding-right: 2.5rem; }

.input[aria-invalid="true"] { border-color: var(--pink); }

.field__error {
  display: block;
  font-size: var(--step--1);
  color: var(--pink);
  margin-top: 0.4rem;
  min-height: 1.2em;
}

/* Segmented choice */

.choice { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.choice__option { flex: 1 1 8rem; }

.choice__option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.choice__option span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0 1rem;
  border: 1px solid var(--rule);
  border-radius: 10px;
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--ink-muted);
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.choice__option input:checked + span {
  border-color: var(--violet);
  background: #7C5CFF26;
  color: var(--ink);
}
.choice__option input:focus-visible + span {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.75rem; }

.button--quiet {
  border: 1px solid var(--rule);
  background: none;
  color: var(--ink-muted);
  cursor: pointer;
}
.button--quiet:hover { color: var(--ink); border-color: #FFFFFF44; }

/* --------------------------------------------------------------------------
   Results
   -------------------------------------------------------------------------- */

.headline {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.headline__label {
  font-family: var(--mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.headline__value {
  font-family: var(--display);
  font-size: clamp(2.4rem, 9vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-top: 0.5rem;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 34px #4FD9E859;
}

.headline__note {
  font-size: var(--step--1);
  color: var(--ink-faint);
  margin-top: 0.6rem;
}

.figures { display: grid; gap: 0.9rem; }

.figure {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--rule);
}
.figure:last-child { border-bottom: 0; padding-bottom: 0; }

.figure__label { font-size: var(--step--1); color: var(--ink-muted); }

.figure__value {
  font-family: var(--mono);
  font-size: var(--step-0);
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.figure__value--saving { color: var(--cyan); }

.callout {
  margin-top: 1.5rem;
  padding: 1rem 1.15rem;
  border-left: 2px solid var(--cyan);
  background: #4FD9E814;
  border-radius: 0 8px 8px 0;
  font-size: var(--step--1);
  color: var(--ink-muted);
}
.callout[hidden] { display: none; }

/* --------------------------------------------------------------------------
   Schedule
   -------------------------------------------------------------------------- */

.schedule { margin-top: 1.5rem; }

.schedule summary {
  cursor: pointer;
  font-size: var(--step--1);
  font-weight: 600;
  padding: 0.75rem 0;
  color: var(--cyan);
}

.table-scroll { overflow-x: auto; margin-top: 0.75rem; }

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: var(--step--1);
  font-variant-numeric: tabular-nums;
}

th, td {
  padding: 0.55rem 0.75rem;
  text-align: right;
  white-space: nowrap;
  border-bottom: 1px solid var(--rule);
}
th:first-child, td:first-child { text-align: left; }

thead th {
  color: var(--ink-faint);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: sticky;
  top: 0;
  background: #111A3D;
}

/* --------------------------------------------------------------------------
   Explanatory content
   -------------------------------------------------------------------------- */

.prose { max-width: 68ch; padding-block: 1rem 3rem; }

.prose h2 {
  font-size: var(--step-2);
  margin-top: 3rem;
  margin-bottom: 1rem;
}
.prose h3 {
  font-size: var(--step-1);
  font-weight: 500;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}
.prose p { margin-bottom: 1rem; color: var(--ink-muted); }
.prose ul { margin-bottom: 1rem; }
.prose li {
  color: var(--ink-muted);
  margin-bottom: 0.6rem;
  padding-left: 1.35rem;
  position: relative;
}
.prose li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--violet);
  font-size: 0.65em;
  top: 0.45em;
}
.prose strong { color: var(--ink); }

.formula {
  display: block;
  padding: 1.15rem;
  margin-bottom: 1rem;
  background: #0B1026;
  border: 1px solid var(--rule);
  border-radius: 10px;
  font-family: var(--mono);
  font-size: var(--step--1);
  color: var(--cyan);
  overflow-x: auto;
  white-space: pre;
}

.meta-line {
  font-family: var(--mono);
  font-size: var(--step--1);
  color: var(--ink-faint);
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.related { padding-block: 2rem 3rem; }
.related__title {
  font-family: var(--mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1rem;
}

@media print {
  .calc { grid-template-columns: 1fr; }
  .panel { background: none; border-color: #ccc; }
  .headline__value { text-shadow: none; color: #000; }
  .actions, .schedule { display: none; }
  .figure__label, .prose p, .prose li { color: #333; }
  .formula { color: #000; background: #f4f4f4; }
}