:root {
  --bg-1: #180d33;
  --bg-2: #2b1457;
  --bg-3: #10061f;
  --card: rgba(17, 14, 39, 0.84);
  --card-edge: rgba(255, 255, 255, 0.14);
  --text: #fffdf5;
  --muted: #d7d0ff;
  --gold: #ffd84d;
  --pink: #ff4da6;
  --cyan: #41e3ff;
  --green: #4df0a1;
  --danger: #ff6f61;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Trebuchet MS", "Verdana", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(65, 227, 255, 0.14), transparent 24%),
    radial-gradient(circle at 20% 20%, rgba(255, 77, 166, 0.16), transparent 18%),
    radial-gradient(circle at 80% 10%, rgba(255, 216, 77, 0.14), transparent 20%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 52%, var(--bg-3) 100%);
  padding: 22px;
}

.app-shell {
  width: min(100%, 1180px);
  margin: 0 auto;
}

.stage {
  position: relative;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.18);
  border-radius: 28px;
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(255, 216, 77, 0.08), rgba(255, 77, 166, 0.03)),
    rgba(7, 8, 21, 0.78);
  box-shadow: var(--shadow);
}

.stage::before,
.stage::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(8px);
  opacity: 0.75;
  pointer-events: none;
}

.stage::before {
  width: 220px;
  height: 220px;
  top: -80px;
  right: -40px;
  background: rgba(65, 227, 255, 0.16);
}

.stage::after {
  width: 260px;
  height: 260px;
  bottom: -120px;
  left: -80px;
  background: rgba(255, 77, 166, 0.16);
}

.show-header {
  margin-bottom: 18px;
}

.show-kicker {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.75rem;
  color: var(--gold);
}

.show-header h1,
.hero-card h2 {
  margin: 0;
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.show-header h1 {
  font-size: clamp(2.2rem, 5.2vw, 4.5rem);
  text-shadow: 0 0 20px rgba(255, 216, 77, 0.25);
}

.show-copy,
.hero-card p,
#feedbackText,
.history-head span,
.final-stats span {
  color: var(--muted);
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

.card {
  border: 1px solid var(--card-edge);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.hero-card {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px;
  text-align: center;
}

.hero-card p {
  line-height: 1.55;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.status-card {
  padding: 18px;
  text-align: center;
}

.status-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
}

.status-card strong {
  font-size: clamp(1.3rem, 3vw, 2rem);
  color: #fffef8;
}

.timer-card strong {
  color: var(--gold);
}

.timer-bar {
  margin-top: 12px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.timer-bar span {
  display: block;
  height: 100%;
  width: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--gold), var(--danger));
  transition: width 0.2s linear;
}

.main-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  align-items: start;
}

.object-card,
.controls-card {
  padding: 20px;
}

.object-image-wrap {
  display: grid;
  place-items: center;
  min-height: 360px;
  padding: 20px;
  border-radius: 20px;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.12), transparent 30%),
    linear-gradient(180deg, rgba(65, 227, 255, 0.14), rgba(255, 77, 166, 0.08)),
    rgba(255, 255, 255, 0.04);
}

.object-image-wrap img {
  width: min(100%, 420px);
  max-height: 320px;
  object-fit: contain;
  filter: drop-shadow(0 16px 24px rgba(0, 0, 0, 0.28));
}

.object-copy {
  margin-top: 18px;
}

.object-label,
.field-label,
.history-head h3 {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  color: var(--cyan);
}

.object-copy h2 {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
}

.price-field {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.05);
}

.currency {
  color: var(--gold);
  font-weight: 700;
}

input[type="number"] {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1.5rem;
}

input[type="number"]::placeholder {
  color: rgba(255, 255, 255, 0.32);
}

.button-row {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), #ff9e2c);
  color: #2d1604;
  box-shadow: 0 14px 24px rgba(255, 158, 44, 0.28);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--cyan), #8c8cff);
  color: #091326;
  box-shadow: 0 14px 24px rgba(65, 227, 255, 0.24);
}

.pulse-message {
  min-height: 34px;
  margin-top: 16px;
  font-size: 1rem;
  font-weight: 700;
}

.history-panel {
  margin-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 18px;
}

.history-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

#historyList {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

#historyList li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hint-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 84px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hint-more {
  background: rgba(255, 111, 97, 0.16);
  color: #ffb1a8;
}

.hint-less {
  background: rgba(77, 240, 161, 0.16);
  color: #b9ffd6;
}

.hint-win {
  background: rgba(255, 216, 77, 0.18);
  color: #ffe990;
}

.game-correct {
  animation: popWin 0.48s ease;
}

.game-error {
  animation: shakeWrong 0.36s ease;
}

.score-flash {
  animation: floatScore 0.8s ease;
  color: var(--gold);
}

.final-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0 26px;
}

.final-stats div {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
}

.final-stats strong {
  display: block;
  margin-top: 6px;
  font-size: 1.8rem;
}

@keyframes popWin {
  0% {
    transform: scale(1);
    box-shadow: var(--shadow);
  }
  35% {
    transform: scale(1.015);
    box-shadow: 0 0 0 2px rgba(255, 216, 77, 0.35), var(--shadow);
  }
  100% {
    transform: scale(1);
    box-shadow: var(--shadow);
  }
}

@keyframes shakeWrong {
  0% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-8px);
  }
  40% {
    transform: translateX(8px);
  }
  60% {
    transform: translateX(-6px);
  }
  80% {
    transform: translateX(6px);
  }
  100% {
    transform: translateX(0);
  }
}

@keyframes floatScore {
  0% {
    opacity: 0;
    transform: translateY(8px) scale(0.96);
  }
  20% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(-12px) scale(1.04);
  }
}

@media (max-width: 940px) {
  .status-grid,
  .main-grid,
  .final-stats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  body {
    padding: 12px;
  }

  .stage {
    padding: 14px;
    border-radius: 20px;
  }

  .status-grid,
  .main-grid,
  .final-stats {
    grid-template-columns: 1fr;
  }

  .button-row {
    display: grid;
  }

  .hero-card,
  .object-card,
  .controls-card {
    padding: 16px;
  }

  .history-head {
    align-items: flex-start;
    flex-direction: column;
  }
}