/* ================================================================
   COLLECTOR'S EXCHANGE — auction.css
   ================================================================ */

/* Hero */


.hero-exchange-bg, .hero .hero-bg {
  /* Replace: url('assets/exchange-hero.png') center/cover no-repeat */
  background: linear-gradient(160deg, #0a0c08 0%, #111008 40%, #1a160a 70%, #0d1208 100%);
}













.exchange-hero-content { position: relative; z-index: 1; }
.exchange-rule-line { font-family: var(--font-display); font-size: .65rem; letter-spacing: .35em; color: var(--brass-light); margin-top: .4rem; }

.exchange-catalogue-tag {
  position: absolute; top: 1.5rem; right: 2rem; z-index: 2;
  background: var(--ivory); border: 2px solid var(--brass);
  padding: .85rem 1rem; text-align: center; transform: rotate(1deg);
  box-shadow: 2px 4px 16px rgba(0,0,0,.55); max-width: 130px;
}
.exchange-catalogue-tag::before {
  content: ''; position: absolute; top: -9px; right: 14px;
  width: 14px; height: 14px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--brass-light), var(--brass));
  box-shadow: 0 2px 6px rgba(0,0,0,.5);
}
.cat-label { font-family: var(--font-display); font-size: .5rem; letter-spacing: .2em; color: var(--ink); }
.cat-sub { font-family: var(--font-ink); font-style: italic; font-size: .85rem; color: var(--ink); }
.cat-num { font-family: var(--font-display); font-size: .6rem; letter-spacing: .15em; color: var(--ink-light); }
.cat-sketch { font-size: 1.8rem; margin-top: .3rem; opacity: .5; }

/* Featured Auction */
.featured-auction-wrap { padding: 1.25rem 2rem 0; }

.featured-auction {
  position: relative;
  background: linear-gradient(148deg, #1a1506, #201b08, #1a1506);
  border: 1px solid rgba(181,139,74,.35);
  overflow: hidden;
}

.featured-badge {
  position: absolute; top: 0; left: 0;
  background: var(--brass); font-family: var(--font-display);
  font-size: .55rem; letter-spacing: .2em; color: var(--ink);
  font-weight: 700; padding: .35rem 1rem;
}

.featured-layout {
  display: grid; grid-template-columns: 1fr 2fr 1fr;
  gap: 1.5rem; align-items: center;
  padding: 2rem 1.75rem 1.5rem;
}

.featured-lot { font-family: var(--font-display); font-size: .6rem; letter-spacing: .2em; color: var(--brass-light); margin-bottom: .3rem; }
.featured-name { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; letter-spacing: .1em; color: var(--cream); line-height: 1; margin-bottom: .3rem; }
.featured-sub { font-family: var(--font-body); font-size: 1rem; color: var(--ivory-dark); margin-bottom: .75rem; }
.featured-desc { font-family: var(--font-body); font-size: 1rem; line-height: 1.6; color: var(--ivory-dark); max-width: 240px; margin-bottom: .75rem; opacity: .8; }
.featured-bid-label { font-family: var(--font-display); font-size: .52rem; letter-spacing: .2em; color: var(--ivory-dark); opacity: .6; margin-bottom: .2rem; }
.featured-bid { display: flex; align-items: baseline; gap: .4rem; }
.featured-bid-num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--cream); }
.featured-bid-icon { font-size: 1rem; }
.featured-bid-unit { font-family: var(--font-display); font-size: .55rem; letter-spacing: .2em; color: var(--ivory-dark); opacity: .6; }

.featured-art { width: 100%; aspect-ratio: 16/9; }
.featured-art-placeholder {
  background: linear-gradient(135deg, rgba(255,255,255,.02), rgba(255,255,255,.06));
  border: 1px dashed rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem; opacity: .15;
}
.featured-art-placeholder::after { content: '🦖'; }

.featured-timer-card {
  background: linear-gradient(148deg, #e8dfc8, #ddd0b0);
  border: 1px solid var(--ivory-deeper);
  padding: 1.1rem 1.25rem; text-align: center;
}
.ftimer-label { font-family: var(--font-display); font-size: .52rem; letter-spacing: .2em; color: var(--ink-light); margin-bottom: .5rem; }
.ftimer-countdown { display: flex; justify-content: center; gap: .3rem; align-items: baseline; margin-bottom: .4rem; }
.ftimer-unit { display: flex; align-items: baseline; gap: .1rem; }
.ftimer-num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--ink); line-height: 1; }
.ftimer-sub { font-family: var(--font-display); font-size: .55rem; letter-spacing: .15em; color: var(--ink-light); }
.ftimer-bids { font-family: var(--font-display); font-size: .58rem; letter-spacing: .18em; color: var(--ink-light); margin-bottom: .75rem; opacity: .6; }
.ftimer-btn { display: block; width: 100%; text-align: center; }

/* Catalog section */
.catalog-section { padding: 1.5rem 2rem 0; }

.catalog-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.catalog-title { font-family: var(--font-display); font-size: 1rem; letter-spacing: .25em; color: var(--cream); white-space: nowrap; }
.catalog-rule-left, .catalog-rule-right { flex: 1; height: 1px; background: linear-gradient(90deg, transparent, rgba(181,139,74,.3)); }
.catalog-rule-right { background: linear-gradient(90deg, rgba(181,139,74,.3), transparent); }

.catalog-filters {
  display: flex; gap: .6rem; margin-bottom: 1rem; flex-wrap: wrap; align-items: center;
}

.cat-select {
  font-family: var(--font-display); font-size: .55rem; letter-spacing: .1em;
  color: var(--ivory); background: rgba(255,255,255,.05);
  border: 1px solid rgba(181,139,74,.2); padding: .38rem .6rem; cursor: pointer;
}

.cat-search-wrap {
  display: flex; align-items: center; gap: .4rem;
  background: rgba(255,255,255,.05); border: 1px solid rgba(181,139,74,.2);
  padding: .35rem .7rem; flex: 1; min-width: 160px;
}

.cat-search {
  background: transparent; border: none; outline: none;
  font-family: var(--font-display); font-size: .6rem; letter-spacing: .1em;
  color: var(--ivory); width: 100%;
}
.cat-search::placeholder { color: var(--ivory-dark); opacity: .4; }

.cat-sort { display: flex; align-items: center; gap: .4rem; margin-left: auto; }
.cat-sort-label { font-family: var(--font-display); font-size: .52rem; letter-spacing: .15em; color: var(--ivory-dark); white-space: nowrap; }

/* Lots grid */
.lots-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1rem; margin-bottom: 1rem; position: relative;
}

.lot-card {
  background: linear-gradient(148deg, #ede4ce, #dcd0b0);
  border: 1px solid var(--ivory-deeper);
  box-shadow: 0 4px 16px rgba(0,0,0,.4);
  padding: .85rem .9rem 1rem;
  display: flex; flex-direction: column; gap: .25rem;
  position: relative; transition: transform .15s;
}
.lot-card:hover { transform: translateY(-2px); }

.lot-num { font-family: var(--font-display); font-size: .5rem; letter-spacing: .2em; color: var(--ink-light); opacity: .45; }
.lot-img { width: 100%; aspect-ratio: 4/3; margin: .3rem 0; }
.lot-img-placeholder {
  background: linear-gradient(135deg, rgba(61,51,38,.1), rgba(61,51,38,.18));
  border: 1px dashed rgba(61,51,38,.2); border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; opacity: .25;
}
.lot-img-placeholder::after { content: '🦖'; }

.lot-name { font-family: var(--font-display); font-size: .65rem; font-weight: 600; letter-spacing: .08em; color: var(--ink); }
.lot-sub { font-family: var(--font-body); font-size: .85rem; color: var(--ink-light); }

.lot-row { display: flex; justify-content: space-between; margin-top: .3rem; }
.lot-row > div { display: flex; flex-direction: column; gap: .1rem; }
.lot-label { font-family: var(--font-display); font-size: .46rem; letter-spacing: .12em; color: var(--ink-light); opacity: .55; }
.lot-bid { font-family: var(--font-display); font-size: .68rem; font-weight: 600; color: var(--ink); }
.lot-ends { font-family: var(--font-display); font-size: .65rem; color: var(--ink-light); }

.lot-bids { font-family: var(--font-display); font-size: .5rem; letter-spacing: .15em; color: var(--ink-light); opacity: .5; margin-top: .2rem; }

.lot-btn {
  width: 100%; font-family: var(--font-display); font-size: .56rem; letter-spacing: .15em;
  color: var(--cream); background: var(--greenhouse-2); border: 1px solid rgba(181,139,74,.25);
  padding: .4rem; cursor: pointer; margin-top: auto; transition: background .15s;
}
.lot-btn:hover { background: var(--greenhouse-3); }

.browse-all-btn { display: block; text-align: center; margin: 0 auto .5rem; padding: .55rem 2rem; }

/* Bottom row */
.exchange-bottom {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 1.25rem; padding: 1.25rem 2rem 0; align-items: start;
}

/* Recent */
.card-recent { background: linear-gradient(148deg, var(--greenhouse-2), var(--greenhouse-3)); border-color: rgba(95,118,84,.2); }

.recent-list { display: flex; flex-direction: column; gap: .5rem; margin-top: .75rem; }

.recent-item {
  display: flex; align-items: center; gap: .65rem;
  padding: .5rem 0; border-bottom: 1px solid rgba(255,255,255,.05);
}
.recent-item:last-child { border-bottom: none; }

.recent-img { width: 44px; height: 36px; border-radius: 2px; flex-shrink: 0; }
.recent-img-placeholder { background: rgba(255,255,255,.06); border: 1px dashed rgba(255,255,255,.1); }

.recent-info { flex: 1; }
.recent-name { font-family: var(--font-display); font-size: .6rem; letter-spacing: .08em; color: var(--cream); font-weight: 600; }
.recent-buyer { font-family: var(--font-body); font-size: .8rem; color: var(--ivory-dark); opacity: .65; }

.recent-right { text-align: right; }
.recent-price { font-family: var(--font-display); font-size: .68rem; font-weight: 600; color: var(--brass-light); }
.recent-time { font-family: var(--font-display); font-size: .48rem; letter-spacing: .12em; color: var(--ivory-dark); opacity: .45; }

/* Upcoming */
.card-upcoming { background: linear-gradient(148deg, #ede4ce, #dcd0b0); }
.upcoming-lot-num { font-family: var(--font-display); font-size: .52rem; letter-spacing: .2em; color: var(--ink-light); opacity: .5; margin-bottom: .4rem; }
.upcoming-art { width: 100%; aspect-ratio: 4/3; margin-bottom: .6rem; }
.upcoming-art-placeholder {
  background: linear-gradient(135deg, rgba(61,51,38,.1), rgba(61,51,38,.18));
  border: 1px dashed rgba(61,51,38,.2); border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; opacity: .25;
}
.upcoming-art-placeholder::after { content: '🦖'; }
.upcoming-name { font-family: var(--font-display); font-size: .75rem; font-weight: 600; letter-spacing: .1em; color: var(--ink); margin-bottom: .5rem; }
.upcoming-starts-label { font-family: var(--font-display); font-size: .5rem; letter-spacing: .2em; color: var(--ink-light); opacity: .6; margin-bottom: .3rem; }
.upcoming-countdown { display: flex; align-items: baseline; gap: .25rem; }
.upcoming-num { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--ink); }
.upcoming-label { font-family: var(--font-display); font-size: .55rem; letter-spacing: .15em; color: var(--ink-light); }

/* Guide + My Auctions */
.exchange-side { display: flex; flex-direction: column; gap: 1.25rem; }
.card-guide, .card-my-auctions { background: linear-gradient(148deg, var(--greenhouse-2), var(--greenhouse-3)); border-color: rgba(95,118,84,.2); }

.guide-list { display: flex; flex-direction: column; gap: 0; margin-top: .65rem; }
.guide-item {
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem 0; border-bottom: 1px solid rgba(255,255,255,.05);
  cursor: pointer;
}
.guide-item:last-child { border-bottom: none; }
.guide-icon { font-size: 1rem; flex-shrink: 0; }
.guide-item > div { flex: 1; }
.guide-name { font-family: var(--font-display); font-size: .62rem; letter-spacing: .08em; color: var(--cream); }
.guide-sub { font-family: var(--font-body); font-size: .8rem; color: var(--ivory-dark); opacity: .6; }
.guide-arrow { color: var(--brass-light); font-size: 1rem; opacity: .6; }

.my-auctions-stats { display: flex; justify-content: space-between; margin-top: .65rem; }
.ma-stat { display: flex; flex-direction: column; align-items: center; gap: .2rem; }
.ma-num { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--cream); }
.ma-label { font-family: var(--font-display); font-size: .48rem; letter-spacing: .12em; color: var(--ivory-dark); opacity: .6; text-align: center; }

/* Footer */
.exchange-footer {
  text-align: center; padding: 1.5rem 2rem 2.5rem;
  border-top: 1px solid rgba(181,139,74,.1);
}
.exchange-footer p { font-family: var(--font-ink); font-style: italic; font-size: .95rem; color: var(--ivory-dark); opacity: .4; }
.exchange-footer-sig { margin-top: .25rem; }

/* Mobile */
@media (max-width: 1100px) {
  .exchange-bottom { grid-template-columns: 1fr 1fr; }
  .exchange-side { grid-column: span 2; flex-direction: row; }
  .lots-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-layout { grid-template-columns: 1fr 1fr; }
  .featured-timer-card { grid-column: span 2; }
}

@media (max-width: 900px) {
  :root { --sidebar-width: 64px; }
  .brand-name, .brand-the, .brand-tagline, .brand-rule,
  .nav-label, .sidebar-stamp { display: none; }
  .medallion-placeholder { width: 40px; height: 40px; }
  .medallion-c { font-size: 1.3rem; }
  .sidebar-logo { padding: .75rem .5rem; }
  .nav-item { justify-content: center; padding: .65rem; }
  
  .exchange-catalogue-tag { display: none; }
  .featured-auction-wrap, .catalog-section { padding: 1rem; }
  .exchange-bottom { grid-template-columns: 1fr; padding: 1rem; }
  .exchange-side { flex-direction: column; }
  .featured-layout { grid-template-columns: 1fr; }
  .featured-art, .featured-timer-card { grid-column: auto; }
}

@media (max-width: 600px) {
  :root { --sidebar-width: 0px; }
  .sidebar { display: none; }
  .main { margin-left: 0; }
  .lots-grid { grid-template-columns: repeat(2, 1fr); }
}