/* 루트 로비 스타일시트 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

body {
  font-family: 'Jua', sans-serif;
  overflow: hidden;
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: url('background_ref_1.jpg') no-repeat center center fixed;
  background-size: cover;
}

#app-container {
  width: 100%;
  height: 100%;
  max-width: 1024px;
  max-height: 768px;
  display: flex;
  flex-direction: column;
  position: relative;
  padding: 20px;
  background: transparent;
}

.lobby-view {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding-bottom: 110px; /* 상단 MATHCRAFT 로고 글씨 가림 방지를 위해 아래로 하강 */
}

.lobby-content {
  width: 100%;
  max-width: 380px; /* 슬롯 박스 크기 */
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 28px;
  padding: 24px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.lobby-buttons {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lobby-btn {
  font-family: 'Jua', sans-serif;
  width: 100%;
  padding: 14px 22px;
  font-size: 20px;
  border-radius: 16px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.lobby-btn .game-num {
  font-size: 13px;
  background: rgba(255,255,255,0.25);
  padding: 3px 10px;
  border-radius: 30px;
  font-weight: bold;
}

/* 활성화 버튼 (게임 1) */
.active-game-btn {
  background: linear-gradient(135deg, #FF9F43 0%, #FF5252 100%);
  color: #ffffff;
  border: 2px solid rgba(255,255,255,0.3);
  text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.active-game-btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(255, 82, 82, 0.35);
}

.active-game-btn:active {
  transform: translateY(1px);
}

/* 잠겨있는 버튼 (게임 2, 3) */
.locked-game-btn {
  background: rgba(0, 0, 0, 0.4);
  color: rgba(255,255,255,0.3);
  cursor: not-allowed;
  border: 1px solid rgba(255,255,255,0.05);
  box-shadow: none;
}