/* /coupon — full coupon screen (components from mockup C2: tile, ticket, seg, LED totals). */
.cpage { padding-block: 22px 64px; }
.cpage__disc { margin-bottom: 16px; }
.cpage__grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.cpage__main .cp-item { padding: 16px 52px 16px 18px; }
.cpage__main .cp-item__t b { font-size: 16px; }
.cpage__main .cp-sum { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: end; }
.cpage__main .cp-sum .seg, .cpage__main .cp-sum .cp-formula, .cpage__main .cp-sum .btn { grid-column: 1 / -1; }
.cpage__main .cp-sum .btn { max-width: 360px; }
.cpage__main .tot dd.led { font-size: 26px; }
.cpage__side { display: grid; gap: 16px; position: sticky; top: 128px; }
.calc { display: grid; gap: 10px; margin-bottom: 12px; }
.calc li { display: grid; gap: 2px; font-size: 13.5px; padding-bottom: 10px; border-bottom: 1px solid var(--hair); }
.calc b { font-size: 14px; }
.calc span { color: var(--text-muted); }
.calc code { font-family: var(--led); color: var(--primary); font-weight: 800; background: var(--plate); padding: 1px 6px; border-radius: 6px; }
.grid4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.csticky { display: none; }

@media (max-width: 1099px) {
  .cpage__grid { grid-template-columns: minmax(0, 1fr); }
  .cpage__side { position: static; }
  .grid4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .csticky { display: block; position: fixed; left: 10px; right: 10px; bottom: calc(84px + env(safe-area-inset-bottom)); z-index: 55; }
  .csticky__in { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 14px; background: color-mix(in oklab, var(--bg-raised) 94%, transparent); border: 1px solid var(--hair-2); box-shadow: 0 10px 30px rgba(0, 0, 0, .45); backdrop-filter: blur(12px); font-size: 13px; color: var(--text-muted); font-weight: 650; }
  .csticky__in b { color: var(--text); font-size: 15px; }
  .page-coupon main { padding-bottom: 80px; }
}
@media (max-width: 767px) {
  .cpage__main .cp-sum { grid-template-columns: minmax(0, 1fr); }
  .cpage__main .cp-sum .btn { max-width: none; }
  .grid4 { grid-template-columns: minmax(0, 1fr); }
}