* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: #1a1a2e;
  color: #eaeaea;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.hidden { display: none !important; }

.screen {
  width: 100%;
  max-width: 800px;
  padding: 20px;
}

h1 {
  text-align: center;
  color: #f4c95d;
  letter-spacing: 2px;
}

.panel {
  background: #22223a;
  border-radius: 10px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

label {
  font-size: 14px;
  color: #aaa;
  margin-top: 8px;
}

input[type="text"] {
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #444;
  background: #14142b;
  color: #fff;
  font-size: 16px;
}

.class-select {
  display: flex;
  gap: 10px;
}

.class-btn {
  flex: 1;
  padding: 14px 8px;
  background: #2c2c4a;
  border: 2px solid transparent;
  border-radius: 8px;
  color: #ddd;
  cursor: pointer;
  font-size: 14px;
  transition: 0.15s;
}

.class-btn:hover { background: #38386a; }

.class-btn.selected {
  border-color: #f4c95d;
  background: #3a3a68;
}

.class-btn small { color: #999; font-weight: normal; }

#btn-start {
  margin-top: 16px;
  padding: 14px;
  background: #f4c95d;
  border: none;
  border-radius: 8px;
  color: #1a1a2e;
  font-weight: bold;
  font-size: 16px;
  cursor: pointer;
}

#btn-start:disabled {
  background: #555;
  color: #999;
  cursor: not-allowed;
}

.hud {
  display: flex;
  justify-content: space-between;
  background: #22223a;
  padding: 10px 16px;
  border-radius: 8px;
  margin-bottom: 10px;
  font-size: 14px;
}

.game-area {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

canvas {
  background: #0e0e1a;
  border-radius: 8px;
  border: 2px solid #333;
}

#inventory-panel {
  width: 200px;
  background: #22223a;
  border-radius: 8px;
  padding: 12px;
  min-height: 300px;
}

#inventory-panel h3 {
  margin-top: 0;
  color: #f4c95d;
  font-size: 15px;
}

.inv-item {
  background: #2c2c4a;
  padding: 8px;
  border-radius: 6px;
  margin-bottom: 6px;
  font-size: 13px;
  cursor: pointer;
}

.inv-item:hover { background: #3a3a68; }

#message-box {
  min-height: 24px;
  margin-top: 10px;
  color: #f4c95d;
  font-size: 14px;
}

.hint {
  color: #777;
  font-size: 12px;
}