/* Scoped V30 quantity / price / profit walkthrough. Reuses case-page color tokens. */
.case-section:has([data-quantity-demo]) > div { min-width: 0; }
[data-quantity-demo] { width: 100%; max-width: 100%; margin-top: 36px; min-width: 0; overflow-wrap: anywhere; }
.quantity-demo { padding: 28px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.quantity-demo__heading { max-width: 780px; }
.case-section .quantity-demo p.quantity-demo__eyebrow {
  margin: 0 0 9px; color: var(--warm); font-size: 12px; font-weight: 800; letter-spacing: .08em;
}
.quantity-demo h3 { margin: 0; color: var(--paper); font-size: clamp(24px, 2.8vw, 34px); line-height: 1.25; letter-spacing: -.025em; }
.case-section .quantity-demo p.quantity-demo__intro {
  margin: 12px 0 0; color: var(--muted); font-size: 15px; line-height: 1.7;
}
.quantity-demo__layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 30px; margin-top: 28px; }
.quantity-demo__setup { min-width: 0; padding-right: 30px; border-right: 1px solid var(--line); }
.quantity-demo__choice { min-width: 0; margin: 0; padding: 0; border: 0; }
.quantity-demo__choice legend { margin-bottom: 12px; color: var(--paper); font-size: 15px; font-weight: 750; }
.quantity-demo__choice-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.quantity-demo button {
  min-height: 44px; border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px;
  background: transparent; color: var(--paper); font: inherit; font-size: 14px; font-weight: 700;
  line-height: 1.35; cursor: pointer; transition: border-color .2s ease, background-color .2s ease, color .2s ease;
}
.quantity-demo button:hover { border-color: var(--signal); }
.quantity-demo button:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.quantity-demo button[aria-pressed="true"] { border-color: var(--signal); background: rgba(202, 255, 50, .1); color: var(--signal); }
.quantity-demo button:disabled { opacity: .45; cursor: not-allowed; border-color: var(--line); }
.case-section .quantity-demo p.quantity-demo__scenario-copy { min-height: 52px; margin: 13px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.quantity-demo__steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; }
.quantity-demo__steps li { min-width: 0; padding-top: 10px; border-top: 2px solid var(--line); color: var(--quiet); transition: border-color .3s ease, color .3s ease; }
.quantity-demo__steps li[aria-current="step"] { border-color: var(--signal); color: var(--paper); }
.quantity-demo__steps span { display: block; color: var(--warm); font-size: 12px; font-weight: 800; }
.quantity-demo__steps strong { display: block; margin-top: 3px; font-size: 13px; font-weight: 700; line-height: 1.4; }
.quantity-demo__controls { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.quantity-demo__controls .quantity-demo__play { border-color: var(--signal); background: var(--signal); color: var(--ink); }
.quantity-demo__controls .quantity-demo__play:hover { background: transparent; color: var(--signal); }
.quantity-demo__result { min-width: 0; padding: 20px 24px 22px; border: 1px solid var(--line); border-radius: 10px; background: var(--ink); }
.quantity-demo__result-top { display: flex; justify-content: space-between; gap: 12px; color: var(--warm); font-size: 12px; font-weight: 800; letter-spacing: .04em; }
.case-section .quantity-demo p.quantity-demo__result-title { margin: 21px 0 0; color: var(--paper); font-size: 23px; font-weight: 800; line-height: 1.35; }
.case-section .quantity-demo p.quantity-demo__live { min-height: 52px; margin: 9px 0 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.quantity-demo__metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 22px 0 0; }
.quantity-demo__metrics > div { min-width: 0; padding-top: 11px; border-top: 1px solid var(--line); }
.quantity-demo__metrics dt { color: var(--muted); font-size: 13px; }
.quantity-demo__metrics dd { margin: 7px 0 0; }
.quantity-demo__metrics dd strong { display: block; color: var(--paper); font-size: clamp(27px, 3vw, 38px); font-variant-numeric: tabular-nums; line-height: 1.2; }
.quantity-demo__bar { display: block; height: 4px; margin-top: 10px; overflow: hidden; border-radius: 999px; background: var(--line); }
.quantity-demo__bar i { display: block; width: 100%; height: 100%; background: var(--signal); transform: scaleX(var(--quantity-bar-scale, 0)); transform-origin: left center; transition: transform .35s ease; }
.case-section .quantity-demo p.quantity-demo__insight { margin: 18px 0 0; color: var(--paper); font-size: 14px; line-height: 1.65; }
.quantity-demo__review { margin-top: 20px; padding: 14px 16px; border-left: 2px solid var(--warm); background: rgba(208, 167, 94, .08); }
.quantity-demo__review strong { color: var(--warm); font-size: 14px; }
.case-section .quantity-demo .quantity-demo__review p { margin: 5px 0 0; color: var(--paper); font-size: 14px; line-height: 1.65; }
.case-section .quantity-demo p.quantity-demo__boundary { margin: 24px 0 0; padding-top: 15px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; line-height: 1.65; }
.quantity-demo [hidden] { display: none !important; }
.case-section [data-quantity-demo] p.quantity-demo__error { margin-top: 16px; color: var(--warm); font-size: 15px; }
@media (max-width: 820px) {
  .quantity-demo__layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .quantity-demo__setup { padding: 0 0 24px; border-right: 0; border-bottom: 1px solid var(--line); }
}
@media (max-width: 520px) {
  [data-quantity-demo] { margin-top: 26px; }
  .quantity-demo { padding: 18px; }
  .quantity-demo__layout { margin-top: 22px; }
  .quantity-demo__result { padding: 18px; }
  .quantity-demo__metrics { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .quantity-demo__metrics > div { display: grid; grid-template-columns: minmax(0, 1fr) 90px; align-items: end; gap: 10px; }
  .quantity-demo__metrics dd { margin: 0; }
  .quantity-demo__metrics dd strong { font-size: 25px; text-align: right; }
  .quantity-demo__bar { grid-column: 1 / -1; }
  .quantity-demo__controls button { flex: 1 1 calc(50% - 8px); }
}
@media (prefers-reduced-motion: reduce) {
  .quantity-demo button, .quantity-demo__steps li, .quantity-demo__bar i { transition: none; }
}