:root {
  --custom-card: rgba(255, 255, 255, 0.06);
  --custom-border: rgba(255, 255, 255, 0.12);
  --custom-border-strong: rgba(255, 255, 255, 0.18);
  --custom-muted: rgba(255, 255, 255, 0.64);
}

.custom-hero .section-header p { max-width: 740px; }

.custom-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 18px; align-items: start; }
.config-stack { display: grid; gap: 14px; }
.config-card { display: none; }
.config-card.active { display: block; }

.config-card { background: var(--custom-card); border: 1px solid var(--custom-border); border-radius: var(--radius-lg); padding: var(--space-md); box-shadow: var(--shadow); }
.config-card__head { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; }
.config-card h3 { margin: 0; }
.config-card .pill { background: rgba(255,255,255,0.08); border-radius: 999px; padding: 6px 10px; border: 1px solid var(--custom-border); font-weight: 700; letter-spacing: 0.02em; }
.config-card .small { margin: 0; color: var(--custom-muted); }

.config-options { display: grid; gap: 10px; }
.option { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--custom-border); border-radius: var(--radius); background: rgba(255,255,255,0.03); transition: border-color 0.2s ease, background 0.2s ease; }
.option:hover { border-color: var(--custom-border-strong); background: rgba(255,255,255,0.05); }
.option input[type="radio"], .option input[type="checkbox"] { margin: 0; }
.option__meta { display: grid; gap: 4px; }
.option__name { font-weight: 700; }
.option__desc { color: var(--custom-muted); font-size: 14px; margin: 0; }
.option__helper { color: var(--custom-muted); font-size: 12px; }
.option__price { text-align: right; display: grid; gap: 4px; justify-items: end; }
.option__amount { font-weight: 700; }
.option__tag { font-size: 12px; padding: 4px 8px; border-radius: 999px; border: 1px solid var(--custom-border); background: rgba(255,255,255,0.06); color: var(--custom-muted); }
.option--enquiry { opacity: 0.85; }
.option--note { grid-template-columns: 1fr; }
.option--included { opacity: 0.7; cursor: not-allowed; }
.option--included input { cursor: not-allowed; }

.config-inline-input { margin-top: 8px; display: grid; gap: 6px; }
.config-inline-input .small { color: var(--custom-muted); }
.number-field { display: inline-flex; align-items: center; border: 1px solid var(--custom-border); border-radius: var(--radius); background: rgba(255,255,255,0.03); overflow: hidden; width: fit-content; }
.number-field input { width: 64px; border: none; background: transparent; color: var(--text); text-align: center; padding: 10px; font-size: 15px; }
.number-field button { background: rgba(255,255,255,0.04); border: none; color: var(--text); padding: 10px 12px; cursor: pointer; }

.summary-column { position: sticky; top: 100px; }
.summary-card { background: var(--custom-card); border: 1px solid var(--custom-border); border-radius: var(--radius-lg); padding: var(--space-md); box-shadow: var(--shadow); }
.summary-card__head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 10px; }
.summary-toggle { display: none; }
.summary-body { display: grid; gap: 12px; }
.summary-totals { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.summary-totals div { background: rgba(255,255,255,0.03); border: 1px solid var(--custom-border); border-radius: var(--radius); padding: 10px; display: grid; gap: 4px; }
.summary-line { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.summary-list { border: 1px solid var(--custom-border); border-radius: var(--radius); padding: 10px; background: rgba(255,255,255,0.02); display: grid; gap: 6px; }
.summary-list .group { font-weight: 700; margin-top: 6px; }
.summary-list .item { color: var(--custom-muted); font-size: 14px; display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.summary-list .remove { border: 1px solid var(--custom-border); background: rgba(255,255,255,0.04); color: var(--text); border-radius: 6px; padding: 4px 8px; font-size: 12px; cursor: pointer; }
.summary-text { width: 100%; min-height: 140px; background: rgba(255,255,255,0.03); border: 1px solid var(--custom-border); border-radius: var(--radius); color: var(--text); padding: 10px; font-size: 14px; }
.summary-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.summary-actions .btn { flex: 1; min-width: 140px; justify-content: center; }
.summary-actions .btn.plain { background: rgba(255,255,255,0.02); box-shadow: none; }

.wizard-actions { display: flex; justify-content: space-between; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.wizard-actions .btn { flex: 1; min-width: 120px; justify-content: center; }
.wizard-actions .btn.secondary { background: rgba(255,255,255,0.04); box-shadow: none; }
.wizard-actions .btn[disabled] { opacity: 0.6; cursor: not-allowed; }

.muted { color: var(--custom-muted); }
.hidden { display: none; }

.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 999; display: grid; place-items: center; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
.modal__dialog { position: relative; background: rgba(15,15,18,0.92); border: 1px solid var(--custom-border-strong); border-radius: var(--radius-lg); padding: var(--space-md); width: min(640px, 92vw); box-shadow: var(--shadow); }
.modal__close { position: absolute; top: 10px; right: 10px; border: 1px solid var(--custom-border); background: rgba(255,255,255,0.04); color: var(--text); border-radius: 50%; width: 32px; height: 32px; cursor: pointer; }
.modal__content { display: grid; gap: 12px; }
.modal__totals { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.modal__totals div { background: rgba(255,255,255,0.03); border: 1px solid var(--custom-border); border-radius: var(--radius); padding: 10px; display: grid; gap: 4px; }
.modal__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.modal__actions .btn { flex: 1; min-width: 140px; justify-content: center; }
.modal__list { max-height: 240px; overflow: auto; border: 1px solid var(--custom-border); border-radius: var(--radius); padding: 10px; background: rgba(255,255,255,0.04); display: grid; gap: 6px; }
.modal__list .group { font-weight: 700; margin-top: 6px; }
.modal__list .item { color: var(--custom-muted); font-size: 14px; }

@media (max-width: 1024px) {
  .custom-grid { grid-template-columns: 1fr; }
  .summary-column { position: relative; top: auto; }
  .summary-toggle { display: inline-flex; align-items: center; gap: 6px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--custom-border); background: rgba(255,255,255,0.05); color: var(--text); cursor: pointer; }
  .summary-body { display: none; }
  .summary-card.open .summary-body { display: grid; }
}

@media (max-width: 640px) {
  .option { grid-template-columns: auto 1fr; }
  .option__price { justify-self: start; align-items: flex-start; }
}