/* Kilowatt Tools – calculators and data tables.
   Uses the Kilowatt theme's tokens when present, with fallbacks for any theme. */
.kwt-calc, .kwt-page, .kwt-table-wrap, .kwt-picker {
  --kwt-ink: var(--kw-ink, #14213d);
  --kwt-muted: var(--kw-muted, #5b6478);
  --kwt-line: var(--kw-line, #dfe2e8);
  --kwt-surface: var(--kw-surface, #ffffff);
  --kwt-soft: var(--kw-soft, #f3f5f8);
  --kwt-accent: var(--kw-accent, #0b7a5c);
  --kwt-readout: var(--kw-readout, #0f1a2e);
  --kwt-readout-ink: var(--kw-readout-ink, #e8fff6);
  --kwt-glow: var(--kw-glow, #3ee6a8);
  --kwt-radius: var(--kw-radius, 14px);
  box-sizing: border-box;
}
.kwt-calc *, .kwt-page * { box-sizing: border-box; }

/* Calculator shell */
.kwt-calc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  border: 1px solid var(--kwt-line);
  border-radius: var(--kwt-radius);
  background: var(--kwt-surface);
  overflow: hidden;
  margin: 1.5rem 0 2rem;
}
.kwt-form { padding: 1.25rem; display: grid; gap: .9rem; align-content: start; margin: 0; }
.kwt-field { display: grid; gap: .3rem; margin: 0; }
.kwt-label { font-size: .82rem; font-weight: 600; letter-spacing: .01em; color: var(--kwt-ink); }
.kwt-hint { font-size: .75rem; color: var(--kwt-muted); }
.kwt-field select, .kwt-field input, .kwt-picker select {
  width: 100%; min-height: 44px; padding: .55rem .7rem;
  font: inherit; font-size: 1rem; color: var(--kwt-ink);
  background: var(--kwt-soft); border: 1px solid var(--kwt-line); border-radius: 10px;
  appearance: auto;
}
.kwt-field select:focus, .kwt-field input:focus, .kwt-picker select:focus {
  outline: 2px solid var(--kwt-accent); outline-offset: 1px; border-color: var(--kwt-accent);
}

/* Results: a meter-style readout */
.kwt-results {
  background: var(--kwt-readout); color: var(--kwt-readout-ink);
  padding: 1.25rem; display: grid; gap: .1rem; align-content: start;
}
.kwt-stat { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: .55rem 0; border-bottom: 1px solid rgba(255,255,255,.09); }
.kwt-stat:last-child { border-bottom: 0; }
.kwt-stat-label { font-size: .85rem; opacity: .78; }
.kwt-stat-val { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 1.05rem; white-space: nowrap; }
.kwt-stat--big { flex-direction: column; align-items: flex-start; gap: .15rem; padding: .25rem 0 .9rem; }
.kwt-stat--big .kwt-stat-val { font-size: clamp(2rem, 5vw, 2.6rem); line-height: 1.05; color: var(--kwt-glow); letter-spacing: -.02em; }
.kwt-calc .kwt-note { grid-column: 1 / -1; margin: 0; padding: .8rem 1.25rem; font-size: .8rem; color: var(--kwt-muted); background: var(--kwt-soft); border-top: 1px solid var(--kwt-line); }

/* Page-level stat tiles (state/model pages) */
.kwt-updated { font-size: .82rem; color: var(--kwt-muted); margin: 0 0 1rem; }
.kwt-hero-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; margin: 0 0 1.5rem; }
.kwt-hero-stats .kwt-stat {
  flex-direction: column; align-items: flex-start; gap: .3rem;
  background: var(--kwt-soft); border: 1px solid var(--kwt-line); border-radius: 12px; padding: .9rem 1rem;
}
.kwt-hero-stats .kwt-stat-label { opacity: 1; color: var(--kwt-muted); font-size: .78rem; line-height: 1.3; }
.kwt-hero-stats .kwt-stat-val { color: var(--kwt-ink); font-size: 1.25rem; white-space: normal; }
.kwt-hero-stats .kwt-stat--big { background: var(--kwt-readout); border-color: var(--kwt-readout); }
.kwt-hero-stats .kwt-stat--big .kwt-stat-label { color: var(--kwt-readout-ink); opacity: .75; }
.kwt-hero-stats .kwt-stat--big .kwt-stat-val { color: var(--kwt-glow); font-size: 1.6rem; }
.kwt-page > .kwt-note, .kwt-table-wrap + .kwt-note { font-size: .82rem; color: var(--kwt-muted); }

/* Tables */
.kwt-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1rem 0; border: 1px solid var(--kwt-line); border-radius: 12px; }
.kwt-table { width: 100%; border-collapse: collapse; font-size: .92rem; margin: 0; }
.kwt-table th, .kwt-table td { padding: .6rem .8rem; text-align: right; border-bottom: 1px solid var(--kwt-line); white-space: nowrap; }
.kwt-table th:first-child, .kwt-table td:first-child { text-align: left; white-space: normal; }
.kwt-table thead th { background: var(--kwt-soft); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--kwt-muted); position: sticky; top: 0; }
.kwt-table tbody tr:last-child td { border-bottom: 0; }
.kwt-table tbody tr:hover { background: var(--kwt-soft); }
.kwt-table td { font-variant-numeric: tabular-nums; }
.kwt-sort { cursor: pointer; user-select: none; }
.kwt-sort::after { content: " ↕"; opacity: .35; }
.kwt-sort[aria-sort="ascending"]::after { content: " ↑"; opacity: 1; }
.kwt-sort[aria-sort="descending"]::after { content: " ↓"; opacity: 1; }

/* FAQ */
.kwt-faq details { border: 1px solid var(--kwt-line); border-radius: 12px; padding: .2rem 1rem; margin: .6rem 0; background: var(--kwt-surface); }
.kwt-faq summary { cursor: pointer; font-weight: 600; padding: .7rem 0; }
.kwt-faq details p { margin: 0 0 .9rem; }

/* Picker */
.kwt-picker { max-width: 420px; margin: 1rem 0; }

/* Ads */
.kwt-ad { margin: 2rem 0; text-align: center; min-height: 120px; }
.kwt-ad-label { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--kwt-muted, #5b6478); margin-bottom: .3rem; }

/* Extremes readout (home hero) */
.kwt-extremes { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 1rem 1.2rem; color: var(--kwt-readout-ink); }
.kwt-extremes .kwt-stat { border-bottom-color: rgba(255,255,255,.09); }
.kwt-extremes .kwt-stat-val { color: #fff; }
.kwt-extremes .kwt-stat-label a { color: inherit; }
.kwt-extremes .kwt-extremes-title { margin: 0 0 .25rem; font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; opacity: .7; }

@media (max-width: 760px) {
  .kwt-calc { grid-template-columns: 1fr; }
  .kwt-hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kwt-hero-stats .kwt-stat--big .kwt-stat-val { font-size: 1.25rem; }
  .kwt-hero-stats .kwt-stat-val { font-size: 1.1rem; overflow-wrap: anywhere; }
}