:root {
  --primary-color: #007aff;
  --secondary-color: #5856d6;
  --success-color: #34c759;
  --danger-color: #ff3b30;
  --warning-color: #ffcc00;
  --background-color: #f5f5f7;
  --card-background: #ffffff;
  --text-color: #1d1d1f;
  --text-light: #86868b;
  --border-radius: 12px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --transition: all 0.2s ease;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  padding: 20px;
}

.container {
  max-width: 1600px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
}

/* 언어 선택기 스타일 */
.language-container {
  position: absolute;
  top: 10px;
  right: 20px;
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 5px 10px;
  border-radius: 5px;
  z-index: 100;
}

.language-container label {
  margin-right: 8px;
  color: #fff;
  font-size: 14px;
}

#language-selector {
  background-color: #2c3e50;
  color: #fff;
  border: 1px solid #34495e;
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 14px;
  cursor: pointer;
}

#language-selector:hover {
  background-color: #34495e;
}

#language-selector option {
  background-color: #2c3e50;
  color: #fff;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

header p {
  color: var(--text-light);
  font-size: 1.1rem;
}

.card-container {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

/* PC 화면에서의 레이아웃 */
@media (min-width: 1200px) {
  .roulette-card {
    grid-column: span 3;
  }

  .betting-card {
    grid-column: span 3;
  }

  .simulation-card {
    grid-column: span 3;
  }

  .history-card {
    grid-column: span 3;
  }

  .results-card {
    grid-column: span 6;
  }

  .strategy-card {
    grid-column: span 6;
  }
}

/* 태블릿 화면에서의 레이아웃 */
@media (min-width: 768px) and (max-width: 1199px) {
  .card-container {
    grid-template-columns: repeat(6, 1fr);
  }

  .roulette-card,
  .betting-card,
  .simulation-card,
  .history-card {
    grid-column: span 3;
  }

  .results-card,
  .strategy-card {
    grid-column: span 6;
  }
}

/* 모바일 화면에서의 레이아웃 */
@media (max-width: 767px) {
  .card-container {
    grid-template-columns: 1fr;
  }

  .card {
    grid-column: span 1;
  }

  .language-container {
    position: relative;
    text-align: center;
    margin-bottom: 1rem;
  }
}

.card {
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

h2 {
  margin-bottom: 1.2rem;
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

h2 i {
  color: var(--primary-color);
}

h3 {
  margin-bottom: 0.8rem;
  font-weight: 500;
  font-size: 1.2rem;
  color: var(--text-color);
}

.input-group {
  margin-bottom: 1rem;
}

.input-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}

.input {
  width: 100%;
  padding: 10px 16px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  font-size: 1rem;
  transition: var(--transition);
  background-color: rgba(0, 0, 0, 0.02);
  color: var(--text-color);
}

.input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
}

.button {
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-right: 8px;
  margin-bottom: 16px;
}

.button.primary {
  background-color: var(--primary-color);
  color: white;
}

.button.secondary {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--text-color);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.button.primary:hover {
  background-color: #0070e8;
}

.button.secondary:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* 룰렛 휠 스타일링 */
.roulette-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.5rem;
}

.roulette-wheel {
  position: relative;
  width: 280px;
  height: 280px;
  margin-bottom: 1.5rem;
}

.wheel-inner {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #32383e;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3), inset 0 0 10px rgba(0, 0, 0, 0.5);
  transform: rotate(0deg);
  transition: transform 5s cubic-bezier(0.35, 0, 0.25, 1);
}

.wheel-number {
  position: absolute;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 16px;
  transform-origin: center center;
}

.wheel-number.red {
  background-color: #e81e25;
}

.wheel-number.black {
  background-color: #1e1e1e;
}

.wheel-number.green {
  background-color: #00a651;
}

.ball {
  position: absolute;
  width: 12px;
  height: 12px;
  background: radial-gradient(circle at 30% 30%, #ffffff, #cccccc);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
  z-index: 10;
  opacity: 0;
}

.spin-result {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 1rem;
}

.result-number {
  font-size: 2rem;
  font-weight: bold;
}

.result-color {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #ccc;
}

/* 통계 컨테이너 */
.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
  margin-top: 1.5rem;
}

.stat-item {
  background-color: rgba(0, 0, 0, 0.02);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-color);
}

/* 차트 컨테이너 */
.chart-container {
  margin-bottom: 1.5rem;
  height: 200px;
}

.result-summary {
  padding: 16px;
  background-color: rgba(0, 0, 0, 0.02);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-light);
}

/* 전략 설명 섹션 */
.strategy-explanation {
  padding: 16px;
  background-color: rgba(0, 0, 0, 0.02);
  border-radius: 8px;
}

.strategy-explanation p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

/* 배팅 내역 테이블 */
.history-container {
  max-height: 300px;
  overflow-y: auto;
  margin-bottom: 1rem;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.bet-history-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.bet-history-table th,
.bet-history-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.bet-history-table th {
  font-weight: 600;
  color: var(--text-color);
  background-color: rgba(0, 0, 0, 0.02);
}

.bet-history-table tr:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

.bet-history-container {
  flex: 1;
  overflow-y: auto;
  max-height: 300px;
}

.win {
  color: var(--success-color);
}

.loss {
  color: var(--danger-color);
}

.alert {
  color: var(--danger-color);
  font-weight: 600;
  margin-top: 0.5rem;
}

footer {
  margin-top: 3rem;
  text-align: center;
  color: var(--text-light);
  font-size: 0.8rem;
}

/* 애니메이션 효과 */
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes ballMove {
  0% {
    transform: translate(-50%, -50%) rotate(0deg) translateX(120px) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg) translateX(120px)
      rotate(-360deg);
  }
}

/* 로딩 애니메이션 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
  margin-right: 8px;
}

/* 툴팁 스타일 */
.tooltip {
  position: relative;
  display: inline-block;
  cursor: help;
}

.tooltip .tooltip-text {
  visibility: hidden;
  width: 200px;
  background-color: #333;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 8px;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 0.8rem;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* 탭 스타일 */
.tabs {
  display: flex;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.tab {
  padding: 8px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.tab.active {
  border-bottom-color: var(--primary-color);
  color: var(--primary-color);
  font-weight: 500;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}