/* Auction lesson. All rules scoped under .auc-* */
.auc-sc { position: relative; width: 100%; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.auc-note { font-size: 12.5px; color: var(--faint); text-align: center; }
.auc-hero img { width: 280px; max-width: 100%; max-height: 34vh; object-fit: contain; display: block; filter: drop-shadow(0 16px 28px rgba(123,92,253,.3)); }

.auc-pad { width: 40px; height: 52px; position: relative; transition: transform .45s cubic-bezier(.3,1.4,.5,1); transform-origin: 50% 100%; }
.auc-pad::before { content: ''; position: absolute; left: 50%; bottom: 0; width: 5px; height: 18px; margin-left: -2.5px; border-radius: 3px; background: #9C6B3E; }
.auc-pad i { position: absolute; left: 0; top: 0; width: 40px; height: 36px; border-radius: 12px; background: var(--c); display: flex; align-items: center; justify-content: center; font: 800 17px var(--sans); color: #0A0E1A; font-style: normal; box-shadow: 0 4px 10px rgba(0,0,0,.35); }

/* ---------- the IOU ---------- */
.auc-iou { width: 100%; max-width: 330px; border-radius: 14px; background: linear-gradient(160deg, #F4ECDC, #E2D4B8); color: #2A2418; box-shadow: 0 14px 30px rgba(0,0,0,.4), inset 0 0 0 3px rgba(201,140,27,.55), inset 0 0 0 7px #F4ECDC, inset 0 0 0 8px rgba(201,140,27,.4); padding: 18px 18px 16px; }
.auc-iou-h { font: 800 13px var(--sans); letter-spacing: .1em; text-transform: uppercase; color: #8A6414; text-align: center; margin-bottom: 10px; }
.auc-iou-b { display: flex; flex-direction: column; gap: 8px; font: 500 16px var(--serif); }
.auc-iou-b span::before { content: '●'; color: var(--gold-deep); margin-right: 8px; font-size: 11px; vertical-align: 2px; }

/* ---------- the book ---------- */
.auc-tank { width: 100%; max-width: 360px; }
.auc-tank-l { display: flex; justify-content: space-between; font: 700 13px var(--sans); color: var(--dim); margin-bottom: 5px; }
.auc-tank-l b { color: var(--text); font-variant-numeric: tabular-nums; }
.auc-tank-t { display: grid; grid-template-columns: repeat(10, 1fr); gap: 3px; }
.auc-tank-t i { height: 16px; border-radius: 4px; background: var(--surface); border: 1px solid var(--line); transition: background .3s, transform .3s; }
.auc-tank-t i.on { border-color: transparent; animation: aucIn .35s ease-out; }
@keyframes aucIn { 0% { transform: scaleY(.3); } 60% { transform: scaleY(1.25); } }
.auc-book { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; width: 100%; max-width: 360px; }
.auc-bid { position: relative; display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 7px; min-height: 48px; padding: 6px 10px; border-radius: 14px; background: var(--raised); border: 1.5px solid var(--line-strong); box-shadow: 0 3px 0 rgba(0,0,0,.35); color: var(--text); font: 700 15px var(--sans); cursor: pointer; text-align: left; transition: opacity .3s, border-color .3s, background .3s; }
.auc-bid i { width: 28px; height: 28px; border-radius: 9px; background: var(--c); color: #0A0E1A; display: flex; align-items: center; justify-content: center; font: 800 14px var(--sans); font-style: normal; }
.auc-amt { color: var(--dim); font-weight: 600; }
.auc-rate { font-variant-numeric: tabular-nums; font-size: 16px; }
.auc-rate.set { color: var(--gold); }
.auc-bid em { position: absolute; left: 8px; right: 8px; bottom: 1px; font: 700 12px var(--sans); font-style: normal; color: var(--gold); text-align: center; }
.auc-bid.part { padding-bottom: 16px; }
.auc-bid.taken { border-color: var(--mint); background: rgba(63,214,154,.10); box-shadow: none; }
.auc-bid.out { opacity: .35; box-shadow: none; }
.auc-sc.done .auc-bid { cursor: default; }
.auc-bid.shake { animation: aucShake .3s; }
@keyframes aucShake { 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }

/* ---------- the saver ---------- */
.auc-saver { display: flex; align-items: center; gap: 12px; width: 100%; max-width: 360px; padding: 10px 12px; border-radius: 14px; background: var(--surface); border: 1.5px dashed var(--line-strong); }
.auc-saver .auc-pad { flex: none; }
.auc-saver b { display: block; font: 700 15px var(--sans); color: var(--text); }
.auc-saver span { display: block; font: 500 14px var(--serif); color: var(--dim); }
.auc-saver.won { border-style: solid; border-color: var(--mint); }


/* ---------- the real auction ---------- */
.auc-real { width: 100%; max-width: 330px; border-radius: 16px; background: var(--surface); border: 1.5px solid var(--line-strong); padding: 14px 16px; display: flex; flex-direction: column; gap: 8px; }
.auc-real-h { font: 800 12.5px var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--gold); }
.auc-real-r { display: flex; justify-content: space-between; align-items: baseline; font: 600 15px var(--sans); color: var(--dim); border-top: 1px solid var(--line); padding-top: 8px; }
.auc-real-r b { font: 800 19px var(--sans); color: var(--text); font-variant-numeric: tabular-nums; }
.auc-real-r.q b { color: var(--violet-bright); }
.auc-real-r.q.lit b { color: var(--gold); }

@media (max-height: 700px) {
  .auc-bid { min-height: 44px; padding: 5px 8px; }
  .auc-sc { gap: 8px; }
}