/*
 * Lighting Design Calculator — page-scoped styles.
 * All classes are lc- namespaced and consume the site's CSS custom properties
 * (var(--accent), var(--bg-surface), var(--success)…) so the dark / light /
 * slate themes all work. No hardcoded theme colours.
 */

.lc-wide { max-width: 1180px; margin: 0 auto; padding: 0 1rem; }
.lc-mobile-note { color: var(--text-muted); font-size: 0.85rem; margin: 0 0 1rem; }

/* ---------- toolbar ---------- */
.lc-toolbar { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; padding: 0.6rem; background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 0.8rem; }
.lc-group { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.lc-sep { flex: 1 1 auto; }
.lc-btn { font-family: inherit; font-size: 0.82rem; padding: 0.4rem 0.7rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg-elevated); color: var(--text-primary); cursor: pointer; transition: var(--transition); }
.lc-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.lc-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.lc-btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.lc-btn--primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }

/* ---------- banner ---------- */
.lc-banner { padding: 0.7rem 0.9rem; border-radius: var(--radius); background: var(--bg-surface); border: 1px solid var(--border); color: var(--text-primary); margin-bottom: 0.9rem; font-size: 0.9rem; }
.lc-banner--pass { border-color: var(--success); background: rgba(46, 204, 113, 0.10); }
.lc-banner--warn { border-color: var(--accent-warm); background: rgba(240, 165, 0, 0.10); }
.lc-banner--fail { border-color: var(--danger); background: rgba(224, 82, 82, 0.10); }

/* ---------- two-column main ---------- */
.lc-main { display: grid; grid-template-columns: minmax(300px, 420px) 1fr; gap: 0.9rem; align-items: start; }
.lc-col { display: flex; flex-direction: column; gap: 0.9rem; }
@media (max-width: 900px) { .lc-main { grid-template-columns: 1fr; } }

/* ---------- cards ---------- */
.lc-card { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }
.lc-card h3 { font-size: 1rem; margin: 0 0 0.7rem; color: var(--text-primary); }
.lc-card h3 .lc-h3sub { font-weight: 400; font-size: 0.78rem; color: var(--text-muted); margin-left: 0.4rem; }

/* ---------- form grid & fields ---------- */
.lc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 0.6rem 0.8rem; }
.lc-grid--wide { grid-template-columns: 1fr; }
.lc-field { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.82rem; }
.lc-field__label { color: var(--text-muted); }
.lc-field__hint { color: var(--accent-warm); font-size: 0.72rem; }
.lc-field input, .lc-field select { width: 100%; }
.lc-field--span { grid-column: 1 / -1; }
.lc-check { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.82rem; color: var(--text-primary); }

/* ---------- status badges ---------- */
.lc-badge { display: inline-block; font-size: 0.72rem; font-weight: 600; padding: 0.1rem 0.4rem; border-radius: 3px; }
.lc-badge--pass { background: rgba(46, 204, 113, 0.16); color: var(--success); }
.lc-badge--fail { background: rgba(224, 82, 82, 0.16); color: var(--danger); }
.lc-badge--review { background: rgba(240, 165, 0, 0.16); color: var(--accent-warm); }

/* ---------- stats ---------- */
.lc-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 0.6rem; margin-bottom: 0.8rem; }
.lc-stat { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.6rem; text-align: center; }
.lc-stat--hero { grid-column: span 2; }
.lc-stat__value { font-size: 1.15rem; font-weight: 700; color: var(--text-primary); line-height: 1.15; }
.lc-stat__value--accent { color: var(--accent); }
.lc-stat__label { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.15rem; }
.lc-stat__sub { font-size: 0.7rem; color: var(--text-muted); margin-top: 0.1rem; }

/* ---------- breakdown table ---------- */
.lc-steps { width: 100%; border-collapse: collapse; font-size: 0.82rem; margin-top: 0.3rem; }
.lc-steps th, .lc-steps td { padding: 0.35rem 0.5rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.lc-steps td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lc-steps th { color: var(--text-muted); font-weight: 600; }
.lc-steps tr:last-child td { border-bottom: none; }
.lc-formula { font-family: var(--font-mono, monospace); font-size: 0.78rem; color: var(--text-muted); }

/* ---------- plan view ---------- */
.lc-plan__wrap { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.7rem; display: flex; justify-content: center; }
.lc-plan__svg { max-width: 100%; height: auto; }
.lc-plan__cap { font-size: 0.82rem; margin: 0.6rem 0 0; display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }

/* ---------- view toggle + false-colour legend ---------- */
.lc-viewtoggle { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 0.7rem; }
.lc-vbtn { font-family: inherit; font-size: 0.8rem; padding: 0.35rem 0.75rem; background: var(--bg-elevated); color: var(--text-muted); border: none; border-right: 1px solid var(--border); cursor: pointer; transition: var(--transition); }
.lc-vbtn:last-child { border-right: none; }
.lc-vbtn:hover { color: var(--accent); }
.lc-vbtn.is-active { background: var(--accent); color: #fff; }
.lc-legend { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.6rem; font-size: 0.74rem; color: var(--text-muted); }
.lc-legend__bar { flex: 1 1 auto; height: 12px; border-radius: 3px; border: 1px solid var(--border); }
.lc-legend__lbl { white-space: nowrap; font-variant-numeric: tabular-nums; }

/* ---------- misc ---------- */
.lc-mini { color: var(--text-muted); font-size: 0.78rem; line-height: 1.5; }
.lc-project, .lc-ref { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.8rem 1rem; margin-top: 0.9rem; }
.lc-project summary, .lc-ref summary { cursor: pointer; font-weight: 600; font-size: 0.9rem; }
.lc-project .lc-grid { margin-top: 0.7rem; }
.lc-sources { font-size: 0.76rem; color: var(--text-muted); margin-top: 0.6rem; line-height: 1.5; }

/* ---------- print / PDF report ---------- */
.lc-print { display: none; }

@media print {
  body * { visibility: hidden; }
  #lc-print, #lc-print * { visibility: visible; }
  #lc-print { display: block; position: absolute; left: 0; top: 0; width: 100%; color: #000; background: #fff; }
  .lc-print__doc { padding: 12mm 10mm; font-size: 10pt; color: #000; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .lc-print__legend { display: flex; align-items: center; gap: 6pt; margin: 3pt 0 6pt; font-size: 8pt; color: #333; }
  .lc-print__legend .bar { flex: 1 1 auto; height: 8pt; border: 1px solid #999; }
  .lc-print__header { border-bottom: 2px solid #000; padding-bottom: 6pt; margin-bottom: 10pt; }
  .lc-print__doc h1 { font-size: 15pt; margin: 0 0 3pt; }
  .lc-print__doc h2 { font-size: 12pt; margin: 12pt 0 4pt; border-bottom: 1px solid #999; padding-bottom: 2pt; }
  .lc-print__doc h3 { font-size: 10.5pt; margin: 8pt 0 3pt; }
  .lc-print__meta { color: #333; margin: 0; }
  .lc-print__strap { font-style: italic; color: #444; margin: 3pt 0 0; }
  .lc-print__table { width: 100%; border-collapse: collapse; margin: 4pt 0 8pt; font-size: 8.5pt; }
  .lc-print__table th, .lc-print__table td { border: 1px solid #999; padding: 2pt 4pt; text-align: left; }
  .lc-print__table th.num, .lc-print__table td.num { text-align: right; }
  .lc-print__result { margin: 6pt 0; page-break-inside: avoid; }
  .lc-print__result p { margin: 1pt 0; }
  .lc-print__plan { margin: 4pt 0; page-break-inside: avoid; }
  .lc-print__plan svg { max-width: 380px; height: auto; }
  .lc-print__note { font-size: 8pt; color: #555; margin: 2pt 0 0; }
  .lc-print__sources, .lc-print__disclaimer { font-size: 8pt; color: #333; margin-top: 8pt; }
  .lc-print__disclaimer { border-top: 1px solid #999; padding-top: 4pt; }
  .lc-print__sign { display: flex; justify-content: space-between; margin-top: 14pt; font-size: 9pt; }
}