:root {
  --gold-100: #f9e7a5;
  --gold-300: #f4d35e;
  --gold-500: #e3b341;
  --red-500: #a93226;
  --red-700: #7b241c;
  --brown-700: #5f1c13;
  --brown-900: #32140f;
  --cream: #fff4d6;
  --text: #2a1a10;
  --ok: #5f8f3c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #6c1e16, #31110d 55%);
  min-height: 100vh;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.15;
  background-image: linear-gradient(to right, var(--gold-300) 1px, transparent 1px),
    linear-gradient(to bottom, var(--gold-300) 1px, transparent 1px);
  background-size: 28px 28px;
}

.game-shell {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
}

.top-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.brand h1 {
  margin: 0;
  color: var(--gold-300);
  letter-spacing: 2px;
}

.brand p {
  margin: 0.2rem 0 0;
  color: var(--gold-100);
}

.stats {
  display: flex;
  gap: 0.7rem;
}

.stat-card {
  min-width: 96px;
  padding: 0.6rem;
  border-radius: 12px;
  border: 1px solid #d19537;
  background: linear-gradient(130deg, #5f1d14, #8f351f);
  text-align: center;
}

.stat-card span {
  display: block;
  font-size: 0.75rem;
  color: var(--gold-100);
}

.stat-card strong {
  font-size: 1.25rem;
  color: #fff;
}

.room-scene {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1rem;
}

.mascot-panel,
.challenge-box,
.legend {
  background: linear-gradient(170deg, #fff4d6, #f5dca0);
  border: 2px solid #9c5f1d;
  border-radius: 16px;
  padding: 1rem;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
}

.mascot-panel {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.mascot {
  width: 170px;
  margin: 0 auto;
}

.mascot svg {
  width: 100%;
  height: auto;
}

.mascot-panel h2 {
  text-align: center;
  margin: 0;
  color: var(--red-700);
}

.mascot-panel p {
  margin: 0;
  line-height: 1.4;
}

.mascot-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.challenge-panel {
  display: grid;
  gap: 1rem;
}

.door-wrap {
  display: flex;
  justify-content: center;
}

.door {
  width: min(320px, 100%);
  aspect-ratio: 4 / 5;
  border-radius: 18px 18px 6px 6px;
  border: 4px solid #7f301f;
  background: repeating-linear-gradient(
    90deg,
    #7f301f,
    #7f301f 24px,
    #a4422b 24px,
    #a4422b 48px
  );
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 0 6px #d09c49;
  transition: transform 0.35s ease, filter 0.35s ease;
}

.door span {
  display: inline-block;
  background: #2e140e;
  color: var(--gold-300);
  border: 1px solid var(--gold-500);
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-weight: 700;
}

.door.open {
  transform: perspective(700px) rotateY(-35deg);
  filter: brightness(1.15);
}

.challenge-box h3 {
  margin-top: 0;
  color: var(--red-700);
}

.code-snippet {
  min-height: 90px;
  margin: 0.6rem 0;
  padding: 0.8rem;
  border-radius: 12px;
  background: #2c1812;
  color: #ffe6a2;
  border: 1px solid #8f4f22;
  white-space: pre-wrap;
}

.answers {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}

.answer-option {
  border: 1px solid #a86d2f;
  background: #fff8df;
  padding: 0.6rem;
  border-radius: 10px;
}

.answer-option label {
  cursor: pointer;
  display: flex;
  gap: 0.5rem;
  align-items: start;
}

.actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.feedback {
  min-height: 24px;
  font-weight: 700;
  color: var(--red-500);
}

.feedback.ok {
  color: var(--ok);
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn.primary {
  background: linear-gradient(180deg, #f1c24f, #d6952f);
  color: #3d1b0f;
}

.btn.secondary {
  background: linear-gradient(180deg, #b4422c, #8a2a1d);
  color: #ffefc4;
}

.btn.danger {
  background: #5e2218;
  color: #f8d7a2;
}

.legend {
  margin-top: 1rem;
}

.legend h4 {
  margin: 0 0 0.5rem;
  color: var(--red-700);
}

.legend ul {
  margin: 0;
  padding-left: 1.2rem;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal.hidden {
  display: none;
}

.modal-content {
  max-width: 500px;
  width: 100%;
  background: #fff5da;
  border: 2px solid #9b5f1b;
  border-radius: 16px;
  padding: 1rem;
  text-align: center;
}

@media (max-width: 860px) {
  .room-scene {
    grid-template-columns: 1fr;
  }

  .mascot-buttons {
    flex-direction: row;
    flex-wrap: wrap;
  }
}