/* WealthCalcApp — calculator UI additions (validation, takeaways, tables). Uses the theme tokens from styles.css. */
.calc-main [hidden] { display: none !important; }

.calc-form .calc-subheading { font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text-secondary); margin: .5rem 0 .75rem; }
.calc-form .input-group > label { line-height: 1.35; }
.calc-form .options-grid { margin-bottom: 0; }

.calc-advanced { margin: .25rem 0 .5rem; border-top: 1px dashed var(--border); padding-top: .75rem; }
.calc-advanced > summary { cursor: pointer; font-weight: 600; font-size: .9rem; color: var(--accent-1); list-style: none; display: inline-flex; align-items: center; gap: .4rem; margin-bottom: .75rem; }
.calc-advanced > summary::-webkit-details-marker { display: none; }
.calc-advanced > summary::before { content: '+'; display: inline-grid; place-items: center; width: 1.1rem; height: 1.1rem; border: 1px solid currentColor; border-radius: 50%; font-size: .8rem; line-height: 1; }
.calc-advanced[open] > summary::before { content: '–'; }

.input-group.is-invalid input, .input-group.is-invalid select { border-color: var(--accent-danger) !important; box-shadow: 0 0 0 3px rgba(220, 38, 38, .12); }
.input-error { color: var(--accent-danger); font-size: .78rem; line-height: 1.3; }
.calc-invalid { margin: .75rem 0 0; font-size: .85rem; color: var(--accent-danger); }
.results-grid.is-stale { opacity: .5; filter: grayscale(.4); transition: opacity .2s; }

.input-with-btn { display: flex; gap: .5rem; align-items: stretch; }
.input-with-btn input { flex: 1 1 auto; min-width: 0; }
.calc-live-btn { flex: 0 0 auto; padding: 0 .75rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-card); color: var(--accent-1); font: inherit; font-size: .8rem; font-weight: 600; cursor: pointer; white-space: nowrap; }
.calc-live-btn:hover { border-color: var(--accent-1); }
.calc-live-btn:disabled { opacity: .6; cursor: progress; }

.result-value.is-negative { color: var(--accent-danger); }
.result-value.is-positive { color: var(--accent-3); }

.calc-insights { background: var(--glass-bg); border: 1px solid var(--border); border-left: 4px solid var(--accent-1); border-radius: var(--radius-lg); padding: 1rem 1.25rem; }
.calc-insights-title { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--accent-1); margin: 0 0 .5rem; }
.calc-insights ul { margin: 0; padding-left: 1.1rem; display: flex; flex-direction: column; gap: .45rem; }
.calc-insights li { color: var(--text-secondary); line-height: 1.55; font-size: .95rem; }
.calc-insights strong { color: var(--text-primary); font-weight: 700; }

.calc-table { background: var(--glass-bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: .25rem 1rem; }
.calc-table > summary { cursor: pointer; padding: .75rem 0; font-weight: 600; color: var(--text-primary); }
.calc-table[open] > summary { border-bottom: 1px solid var(--border); margin-bottom: .5rem; }
.calc-table-scroll { overflow: auto; max-height: 420px; -webkit-overflow-scrolling: touch; }
.calc-table table { width: 100%; border-collapse: collapse; font-size: .85rem; font-variant-numeric: tabular-nums; }
.calc-table th, .calc-table td { padding: .45rem .6rem; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--border); }
.calc-table thead th { position: sticky; top: 0; background: var(--bg-card); color: var(--text-secondary); font-weight: 600; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; }
.calc-table tbody th { text-align: left; color: var(--text-primary); font-weight: 600; }
.calc-table td { color: var(--text-secondary); }
.calc-table [data-csv] { margin: .75rem 0 .5rem; }

.calc-disclaimer { margin: -1rem 0 0; font-size: .78rem; color: var(--text-secondary); }

@media (max-width: 600px) {
  .calc-insights { padding: .9rem 1rem; }
  .calc-insights li { font-size: .9rem; }
  .calc-table th, .calc-table td { padding: .4rem .45rem; }
}
@media print {
  .calc-advanced > summary, .calc-run, [data-csv], .calc-live-btn, .calc-share-btn, .calc-fs-btn { display: none !important; }
}