* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: 'Courier New', Courier, monospace;
  color: #a89878;
}

#wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 800px;
}

#gameCanvas {
  display: block;
  cursor: default;
  border: 2px solid #3a3a2a;
  background: #0a0a0a;
}

#ui {
  width: 800px;
  background: #111108;
  border: 2px solid #3a3a2a;
  border-top: none;
  padding: 8px 12px;
}

#message-box {
  background: #0c0c08;
  border: 1px solid #3a3a2a;
  padding: 8px 12px;
  min-height: 40px;
  margin-bottom: 8px;
  font-size: 13px;
  color: #b8a888;
  line-height: 1.5;
}

#nav-buttons {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.nav-btn {
  flex: 1;
  background: #1a1a12;
  color: #8a7a5a;
  border: 1px solid #3a3a2a;
  padding: 6px 0;
  font-family: 'Courier New', Courier, monospace;
  font-size: 12px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: background 0.1s, color 0.1s;
}

.nav-btn:hover {
  background: #2a2a1a;
  color: #c8b888;
  border-color: #5a5a3a;
}

.nav-btn.active {
  background: #2a2218;
  color: #d4a040;
  border-color: #6a5a2a;
}

#inventory-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  border-top: 1px solid #2a2a1a;
  padding-top: 8px;
  min-height: 36px;
}

#inv-label {
  font-size: 11px;
  color: #5a5a3a;
  letter-spacing: 2px;
  white-space: nowrap;
}

#inv-items {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.inv-item {
  background: #1a1a10;
  border: 1px solid #4a4a2a;
  padding: 4px 10px;
  font-size: 12px;
  color: #a08848;
  cursor: pointer;
  letter-spacing: 1px;
  transition: background 0.1s, color 0.1s;
}

.inv-item:hover {
  background: #2a2a18;
  color: #d4b060;
}

.inv-item.selected {
  background: #3a2a10;
  color: #f0c060;
  border-color: #c09030;
}

#win-screen {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

#win-screen.hidden {
  display: none;
}

#win-box {
  background: #0c0c08;
  border: 2px solid #6a5a2a;
  padding: 40px 60px;
  text-align: center;
  max-width: 480px;
}

#win-box h1 {
  font-size: 28px;
  color: #d4a040;
  letter-spacing: 6px;
  margin-bottom: 20px;
}

#win-box p {
  color: #a89868;
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}

#win-box em {
  color: #c8b080;
}

#win-box button {
  background: #1a1a10;
  color: #a08848;
  border: 1px solid #4a4a2a;
  padding: 8px 24px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 13px;
  cursor: pointer;
  letter-spacing: 2px;
  margin-top: 10px;
}

#win-box button:hover {
  background: #2a2218;
  color: #d4b060;
}