/* Mock Auction Practice — comprehensive UX polish */
:root{
  --auction-bg:#f4f1eb;
  --auction-panel:#fbfaf7;
  --auction-card:#ffffff;
  --auction-ink:#191816;
  --auction-muted:#6f6a63;
  --auction-line:#ddd8d0;
  --auction-soft:#ece7de;
  --auction-accent:#9a563d;
  --auction-dark:#171715;
}

html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(circle at 50% -120px,rgba(255,255,255,.98) 0,rgba(255,255,255,.72) 28%,transparent 58%),
    var(--auction-bg) !important;
  color:var(--auction-ink);
  text-rendering:optimizeLegibility;
}
.app{max-width:1600px !important;padding:20px !important}

.layout{grid-template-columns:minmax(250px,285px) minmax(0,1fr) !important;align-items:start}
.layout>div:first-child{
  position:sticky;
  top:16px;
  align-self:start;
  max-height:calc(100vh - 32px);
  overflow:auto;
}
.main-area{grid-template-columns:minmax(0,1fr) 310px !important;align-items:start}
.side-col{gap:12px !important}

.card,
.support-banner{
  background:rgba(255,255,255,.88) !important;
  border:1px solid var(--auction-line) !important;
  box-shadow:0 12px 34px rgba(35,29,23,.055) !important;
  backdrop-filter:blur(14px);
}
.card{border-radius:20px !important}
.side-col .card{padding:14px !important;border-radius:16px !important}
.support-banner{border-radius:16px !important;box-shadow:none !important}

.product-kicker{
  color:var(--auction-muted);
  font-size:11px;
  font-weight:800;
  letter-spacing:.13em;
  text-transform:uppercase;
  margin-bottom:6px;
}
.product-title{
  margin:0;
  font-size:clamp(28px,3vw,42px);
  letter-spacing:-.035em;
  line-height:1;
}
.current-lot-label{
  margin-top:12px;
  color:var(--auction-muted);
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.current-lot-title{
  margin-top:3px;
  font-size:clamp(18px,2vw,25px);
  font-weight:700;
  line-height:1.15;
}

button,.btn,.chip,.lot-btn,.support-link,input,select,textarea{
  transition:border-color .15s ease,background .15s ease,color .15s ease,transform .15s ease,box-shadow .15s ease;
}
button,.btn,.chip{min-height:40px}
button:focus-visible,.btn:focus-visible,.chip:focus-visible,.lot-btn:focus-visible,
input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{
  outline:3px solid rgba(154,86,61,.28) !important;
  outline-offset:2px;
}
.btn{border-radius:12px !important;font-weight:650}
.btn:not(.secondary):not(.light){background:var(--auction-dark) !important}
.btn:not(.secondary):not(.light):hover{background:#2a2926 !important;transform:translateY(-1px)}
.btn.secondary,.chip{
  background:#fff !important;
  border-color:var(--auction-line) !important;
  color:var(--auction-ink) !important;
}
.btn.secondary:hover,.chip:hover{border-color:#bdb6ad !important;background:#f8f6f2 !important}
.chip.active{background:var(--auction-dark) !important;color:#fff !important;border-color:var(--auction-dark) !important}
.input,.select,.textarea{
  border-color:var(--auction-line) !important;
  background:#fff !important;
  border-radius:12px !important;
}
#translateBtn{display:none !important}
.lot-tools{gap:8px !important;align-items:center}
.langtoggle{gap:6px !important}

.lot-btn{
  border-color:var(--auction-line) !important;
  border-radius:14px !important;
  padding:11px 12px !important;
}
.lot-btn:hover{border-color:#bdb6ad !important;background:#faf8f4 !important}
.lot-btn.active{background:var(--auction-dark) !important;border-color:var(--auction-dark) !important;box-shadow:0 8px 18px rgba(0,0,0,.09)}
#deleteLotBtn{color:#6d3e31 !important}

.prompt-strip{
  position:sticky;
  top:8px;
  z-index:18;
  background:var(--auction-dark) !important;
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px !important;
  padding:11px 14px !important;
  box-shadow:0 10px 28px rgba(0,0,0,.12) !important;
}
.prompt-strip-title{color:#c9c2b8 !important}
.prompt-strip-text{font-size:15px;line-height:1.45}

.pov{
  position:relative !important;
  min-height:780px !important;
  padding:0 !important;
  overflow:visible !important;
  border:1px solid var(--auction-line);
  background:
    linear-gradient(180deg,rgba(244,246,248,.82) 0 114px,rgba(247,242,234,.96) 114px 100%) !important;
  border-radius:24px !important;
  box-shadow:0 18px 44px rgba(57,45,32,.07) !important;
}
.sky{height:114px !important;background:linear-gradient(180deg,#eef1f4 0%,#ebe7e0 100%) !important;border-radius:24px 24px 0 0}
.stage-table{display:none !important}

.crowd{
  position:absolute !important;
  top:14px !important;
  left:14px !important;
  right:14px !important;
  display:flex !important;
  gap:8px !important;
  flex-wrap:wrap !important;
  justify-content:center !important;
  align-items:flex-start !important;
  align-content:flex-start !important;
  height:auto !important;
  z-index:2 !important;
}
.bidder-badge{
  min-width:145px !important;
  max-width:190px !important;
  height:auto !important;
  min-height:0 !important;
  align-self:flex-start !important;
  padding:8px 10px !important;
  border-radius:14px !important;
  border-color:rgba(27,25,22,.12) !important;
  background:rgba(255,255,255,.9) !important;
  box-shadow:0 6px 16px rgba(0,0,0,.035);
}
.bidder-badge:hover{transform:translateY(-2px)}
.bidder-badge.active{
  background:#fff !important;
  border-color:var(--auction-dark) !important;
  transform:translateY(-2px) !important;
  box-shadow:0 8px 20px rgba(0,0,0,.08);
}
.badge-controls{margin-top:7px !important}
.mini-btn{min-height:26px !important;min-width:28px}

.module,
.price-panel{
  position:absolute !important;
  resize:none !important;
}
.module{
  border-radius:18px !important;
  border-color:rgba(27,25,22,.1) !important;
  background:rgba(255,255,255,.95) !important;
  box-shadow:0 12px 28px rgba(0,0,0,.07) !important;
}
.module:hover{box-shadow:0 16px 34px rgba(0,0,0,.10) !important}
.module-header{
  min-height:42px;
  padding:9px 12px !important;
  cursor:grab !important;
  background:rgba(255,255,255,.97) !important;
  border-bottom-color:rgba(0,0,0,.06) !important;
}
.module-header:active{cursor:grabbing !important}
.module-header .hint{display:inline !important;opacity:.55}
.module-body{padding:12px !important}
.image-body{background:#fbfaf8 !important}
.gavel-btn{
  width:92px !important;
  height:92px !important;
  border-color:var(--auction-line) !important;
  box-shadow:0 10px 24px rgba(0,0,0,.09) !important;
}
.gavel-btn:hover{transform:translateY(-2px) rotate(-2deg);box-shadow:0 14px 28px rgba(0,0,0,.13) !important}

.price-panel{
  min-height:150px !important;
  overflow:hidden !important;
  border-radius:20px !important;
  background:var(--auction-dark) !important;
  box-shadow:0 18px 40px rgba(0,0,0,.16) !important;
}
#priceModuleHeader{display:flex !important;cursor:grab !important}
#priceModuleHeader:active{cursor:grabbing !important}
#priceModule .price-big{font-size:clamp(40px,4.6vw,62px) !important;letter-spacing:-.03em}
#priceModule .input{border-color:rgba(255,255,255,.18) !important}
#priceModule .btn.light,#priceModule .btn.secondary{border-color:rgba(255,255,255,.14) !important}
#priceModule .btn.light:hover,#priceModule .btn.secondary:hover{background:#ece9e4 !important}

/* One large resize grip; no tiny corner dots. */
.resize-handle{display:none !important}
.resize-handle.se{
  display:grid !important;
  place-items:center;
  width:36px !important;
  height:36px !important;
  right:-3px !important;
  bottom:-3px !important;
  left:auto !important;
  top:auto !important;
  border:0 !important;
  border-radius:12px 0 18px 0 !important;
  background:rgba(255,255,255,.93) !important;
  box-shadow:-3px -3px 11px rgba(0,0,0,.07) !important;
  color:#5f5952;
  cursor:nwse-resize !important;
  opacity:.72;
  z-index:20 !important;
}
.resize-handle.se::after{content:"↘";font-size:18px;line-height:1;font-weight:800}
.module:hover .resize-handle.se,.price-panel:hover .resize-handle.se{opacity:1}

.collapsible .collapse-header h3{font-size:16px}
.collapsible .collapse-header .smallbtn{min-height:32px;padding:6px 9px !important;font-size:12px}
.collapsible.collapsed .collapse-body{display:none !important}
.side-col .row{gap:7px !important}
.bidder-control{grid-template-columns:minmax(0,1fr) 42px 42px !important;gap:6px !important}
#bidderControlsBox>.card{
  box-shadow:none !important;
  background:#faf8f4 !important;
  border-radius:13px !important;
  padding:9px !important;
}
.energy-bar{height:10px !important}

.credit-banner{
  background:transparent !important;
  color:var(--auction-muted) !important;
  border:0 !important;
  box-shadow:none !important;
  padding:3px 8px !important;
  font-size:11px !important;
  font-weight:600 !important;
}
.credit-banner a{color:inherit}
.support-title{font-size:13px !important}
.support-copy{font-size:12px !important}
.support-link{border-color:var(--auction-line) !important;background:#faf8f4 !important}

.about-tool{
  max-width:1080px;
  margin:26px auto 8px;
  padding:28px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--auction-line);
  border-radius:22px;
}
.about-tool h2{margin:0 0 8px;font-size:24px;letter-spacing:-.02em}
.about-tool>p{margin:0;color:var(--auction-muted);line-height:1.65;max-width:820px}
.about-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
.about-point{padding:15px;border:1px solid var(--auction-line);border-radius:14px;background:#fff}
.about-point strong{display:block;margin-bottom:5px}
.about-point span{font-size:13px;line-height:1.5;color:var(--auction-muted)}
.site-footer{text-align:center;color:var(--auction-muted);font-size:12px;padding:14px 8px 4px}
.site-footer a{color:inherit;text-decoration:none}
.site-footer a:hover{text-decoration:underline}

/* Tutorial button follows the site palette instead of bright blue. */
#tutorialModal .tutorial-practice-btn{
  background:var(--auction-dark) !important;
  box-shadow:0 5px 14px rgba(0,0,0,.18) !important;
}
#tutorialModal .tutorial-practice-btn:hover{background:#2a2926 !important}

@media (max-width:1180px){
  .layout{grid-template-columns:1fr !important}
  .layout>div:first-child{position:static;max-height:none}
  .main-area{grid-template-columns:minmax(0,1fr) !important}
  .side-col{grid-template-columns:repeat(2,minmax(0,1fr))}
  .side-col>*{min-width:0}
  .pov{min-height:900px !important}
  .crowd{justify-content:flex-start !important}
}
@media (max-width:760px){
  .app{padding:10px !important}
  .card{padding:13px !important;border-radius:16px !important}
  .toolbar{align-items:flex-start !important}
  .lot-tools{width:100%}
  .lot-tools .btn,.lot-tools .chip{min-height:42px}
  .prompt-strip{top:4px}
  .pov{min-height:980px !important;border-radius:18px !important}
  .sky{border-radius:18px 18px 0 0}
  .crowd{left:9px !important;right:9px !important;top:9px !important;gap:6px !important}
  .bidder-badge{min-width:132px !important;max-width:calc(50% - 4px) !important}
  .side-col{grid-template-columns:1fr}
  .about-tool{padding:20px;margin-top:18px}
  .about-grid{grid-template-columns:1fr}
  .resize-handle.se{width:42px !important;height:42px !important}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto !important;transition:none !important;animation:none !important}
}