:root {
  --ink: #23212c;
  --paper: #fff7e8;
  --cream: #ffeec6;
  --rose: #ff6f91;
  --ruby: #d94a6a;
  --mint: #83d8b9;
  --teal: #2f9d91;
  --gold: #ffc857;
  --violet: #6b5fd7;
  --sky: #75c7ff;
  --shadow: #47304c;
  --line: #2f2638;
  --soft: rgba(255, 255, 255, 0.58);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(47, 38, 56, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(47, 38, 56, 0.05) 1px, transparent 1px),
    linear-gradient(135deg, #fff8dc 0%, #ffd8c7 42%, #c2f0df 100%);
  background-size: 18px 18px, 18px 18px, auto;
  font-family: "Trebuchet MS", "Microsoft YaHei", sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 3px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 10px 14px;
  box-shadow: 4px 4px 0 var(--line);
  cursor: pointer;
}

button:hover:not(:disabled) {
  transform: translate(1px, 1px);
  box-shadow: 3px 3px 0 var(--line);
}

button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.primary {
  background: var(--rose);
  color: #fff;
}

.danger {
  background: var(--ruby);
  color: #fff;
}

.ghost {
  background: var(--cream);
}

.app-shell {
  width: min(1220px, calc(100% - 28px));
  margin: 0 auto;
  padding: 20px 0 36px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 80px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 58px);
  line-height: 1;
  letter-spacing: 0;
  text-shadow: 3px 3px 0 #fff;
}

.kicker {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 800;
  color: var(--teal);
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 18px);
  grid-template-rows: repeat(2, 18px);
  gap: 3px;
  padding: 7px;
  border: 3px solid var(--line);
  background: #fff;
  box-shadow: 4px 4px 0 var(--line);
}

.brand-mark span:nth-child(1),
.brand-mark span:nth-child(4) {
  background: var(--rose);
}

.brand-mark span:nth-child(2) {
  background: var(--gold);
}

.brand-mark span:nth-child(3) {
  background: var(--mint);
}

.icon-button {
  margin-left: auto;
  width: 46px;
  height: 46px;
  padding: 0;
  font-size: 24px;
  line-height: 1;
}

.scoreboard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 10px 0 18px;
}

.player-card,
.panel,
.question-card,
.report-card {
  border: 3px solid var(--line);
  background: rgba(255, 252, 238, 0.9);
  box-shadow: 6px 6px 0 var(--line);
}

.player-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
}

.avatar {
  width: 42px;
  height: 42px;
  border: 3px solid var(--line);
  background:
    linear-gradient(var(--rose) 0 45%, transparent 45%),
    linear-gradient(90deg, transparent 0 22%, var(--ink) 22% 34%, transparent 34% 66%, var(--ink) 66% 78%, transparent 78%),
    var(--cream);
  image-rendering: pixelated;
}

.player-card:nth-child(2) .avatar {
  background:
    linear-gradient(var(--mint) 0 45%, transparent 45%),
    linear-gradient(90deg, transparent 0 22%, var(--ink) 22% 34%, transparent 34% 66%, var(--ink) 66% 78%, transparent 78%),
    #fff0d7;
}

.player-name {
  font-size: 18px;
  font-weight: 900;
}

.player-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 800;
}

.coin-count {
  font-size: 22px;
  font-weight: 900;
  color: var(--ruby);
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

.setup-grid {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1fr;
  gap: 16px;
}

.panel {
  padding: 16px;
}

.setup-panel {
  display: grid;
  align-content: start;
  gap: 12px;
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.panel-title h2 {
  margin: 0;
  font-size: 20px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  border: 2px solid var(--line);
  background: var(--gold);
  font-size: 12px;
  font-weight: 900;
}

.pixel-heart {
  width: 28px;
  height: 28px;
  background:
    linear-gradient(90deg, transparent 0 20%, var(--rose) 20% 40%, transparent 40% 60%, var(--rose) 60% 80%, transparent 80%),
    linear-gradient(90deg, var(--rose) 0 100%),
    linear-gradient(90deg, transparent 0 20%, var(--rose) 20% 80%, transparent 80%),
    linear-gradient(90deg, transparent 0 40%, var(--rose) 40% 60%, transparent 60%);
  background-size: 100% 25%;
  background-position: 0 0, 0 33%, 0 66%, 0 100%;
  background-repeat: no-repeat;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 900;
}

.endpoint-field {
  display: none;
}

input,
textarea {
  width: 100%;
  border: 3px solid var(--line);
  background: #fffdf5;
  color: var(--ink);
  padding: 11px 12px;
  outline: none;
}

textarea {
  min-height: 330px;
  resize: vertical;
  line-height: 1.7;
}

input:focus,
textarea:focus {
  box-shadow: 0 0 0 4px rgba(117, 199, 255, 0.45);
}

.setup-actions,
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.helper-text {
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--shadow);
}

.auction-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 280px;
  gap: 16px;
  align-items: start;
}

.market-list,
.event-log {
  display: grid;
  gap: 10px;
  max-height: 590px;
  overflow: auto;
  padding-right: 4px;
}

.market-item,
.log-item {
  border: 2px solid var(--line);
  background: #fffdf5;
  padding: 10px;
}

.market-item {
  display: grid;
  gap: 6px;
}

.market-item strong {
  font-size: 14px;
}

.auction-stage {
  display: grid;
  gap: 16px;
}

.pixel-room {
  position: relative;
  height: 230px;
  overflow: hidden;
  border: 3px solid var(--line);
  background:
    linear-gradient(transparent 0 58%, rgba(35, 33, 44, 0.08) 58%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.4) 1px, transparent 1px),
    linear-gradient(#9ae3d0 0 58%, #ffcf72 58% 100%);
  background-size: auto, 28px 28px, auto;
  box-shadow: 6px 6px 0 var(--line);
}

.counter {
  position: absolute;
  left: 50%;
  bottom: 36px;
  width: 180px;
  height: 70px;
  transform: translateX(-50%);
  border: 3px solid var(--line);
  background: var(--cream);
  box-shadow: inset 0 -14px 0 #f3bb5e;
}

.counter::before {
  content: "AUCTION";
  position: absolute;
  left: 28px;
  top: 18px;
  font-weight: 900;
  color: var(--ruby);
}

.sprite {
  position: absolute;
  bottom: 38px;
  width: 56px;
  height: 82px;
  border: 3px solid var(--line);
  background:
    linear-gradient(var(--ink) 0 22%, transparent 22%),
    linear-gradient(90deg, transparent 0 23%, var(--ink) 23% 34%, transparent 34% 66%, var(--ink) 66% 77%, transparent 77%),
    linear-gradient(var(--cream) 0 54%, var(--rose) 54% 100%);
}

.seller {
  left: calc(50% - 180px);
}

.buyer {
  right: calc(50% - 180px);
  background:
    linear-gradient(var(--ink) 0 22%, transparent 22%),
    linear-gradient(90deg, transparent 0 23%, var(--ink) 23% 34%, transparent 34% 66%, var(--ink) 66% 77%, transparent 77%),
    linear-gradient(#fff0d7 0 54%, var(--mint) 54% 100%);
}

.gavel {
  position: absolute;
  left: calc(50% + 58px);
  bottom: 118px;
  width: 58px;
  height: 14px;
  border: 3px solid var(--line);
  background: var(--shadow);
  transform: rotate(-18deg);
}

.gavel::before {
  content: "";
  position: absolute;
  left: -14px;
  top: -12px;
  width: 24px;
  height: 30px;
  border: 3px solid var(--line);
  background: var(--gold);
}

.question-card {
  padding: 22px;
  min-height: 240px;
}

.level-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.level {
  border: 3px solid var(--line);
  padding: 8px 12px;
  font-weight: 900;
  color: #fff;
  background: var(--violet);
}

.level.bronze { background: #c47b4b; }
.level.silver { background: #8a9ba8; }
.level.gold { background: #d99b18; }
.level.diamond { background: #3e84c6; }
.level.black { background: #171520; }
.level.sealed { background: #8c345e; }

.question-text {
  margin: 0 0 18px;
  font-size: clamp(24px, 4vw, 44px);
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: 0;
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-chip {
  border: 2px solid var(--line);
  background: var(--soft);
  padding: 6px 8px;
  font-weight: 900;
  font-size: 13px;
}

.answer-box {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.answer-box textarea {
  min-height: 120px;
}

.log-item {
  font-size: 13px;
  line-height: 1.5;
}

.log-item strong {
  display: block;
  margin-bottom: 3px;
}

.report {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.report-card {
  padding: 18px;
}

.report-card.wide {
  grid-column: 1 / -1;
}

.report-card h2,
.report-card h3 {
  margin: 0 0 10px;
}

.metric {
  font-size: 34px;
  font-weight: 900;
  color: var(--ruby);
}

@media (max-width: 960px) {
  .setup-grid,
  .auction-layout,
  .report {
    grid-template-columns: 1fr;
  }

  .market-panel {
    order: 2;
  }

  .log-panel {
    order: 3;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 18px, 1220px);
    padding-top: 12px;
  }

  .scoreboard {
    grid-template-columns: 1fr;
  }

  .player-card {
    grid-template-columns: auto 1fr;
  }

  .coin-count {
    grid-column: 1 / -1;
  }

  .pixel-room {
    height: 180px;
  }

  .seller {
    left: 18px;
  }

  .buyer {
    right: 18px;
  }

  .question-card {
    padding: 16px;
  }
}