/* 擲聖杯 - 閩式風格 */

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

:root {
  /* 閩式配色 */
  --minnan-red: #C14545;
  --minnan-red-light: #E07B7B;
  --minnan-red-dark: #8B2E2E;
  --stone-white: #F5F0EB;
  --wood-dark: #5D3A1A;
  --wood-medium: #8B5A2B;
  --wood-light: #C49A6C;
  --gold: #C9A227;
  
  /* 背景 */
  --bg-primary: #FAF8F5;
  --bg-card: #FFFFFF;
  
  /* 文字 */
  --text-primary: #2D2D2D;
  --text-secondary: #666666;
  --text-muted: #999999;
}

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

/* 標題區域 */
.header {
  text-align: center;
}

.logo {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--minnan-red);
  margin-bottom: 8px;
}

.tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* 聖杯區域 */
.jiaobei-area {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 20px 0;
}

.jiaobei-pair {
  display: flex;
  gap: 50px;
  justify-content: center;
  align-items: center;
}

.jiaobei {
  width: 70px;
  height: 100px;
  perspective: 800px;
  cursor: pointer;
}

.jiaobei-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.jiaobei.flipping .jiaobei-inner {
  animation: flipJiaobei 1.2s ease-in-out;
}

@keyframes flipJiaobei {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  25% { transform: rotateX(180deg) rotateY(180deg); }
  50% { transform: rotateX(360deg) rotateY(360deg); }
  75% { transform: rotateX(540deg) rotateY(540deg); }
  100% { transform: rotateX(720deg) rotateY(720deg); }
}

/* 聖杯面 - 新月形 */
.face {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  backface-visibility: hidden;
  box-shadow: 
    0 4px 12px rgba(0,0,0,0.15),
    inset 0 2px 4px rgba(255,255,255,0.1);
}

/* 凸面（陰面）- 深色木紋 */
.face.convex {
  background: 
    repeating-linear-gradient(
      90deg,
      var(--wood-dark) 0px,
      var(--wood-medium) 2px,
      var(--wood-dark) 4px,
      var(--wood-medium) 6px
    );
  background-size: 8px 100%;
  transform: rotateX(0deg);
  border: 2px solid var(--wood-dark);
}

/* 平面（陽面）- 淺色木紋 */
.face.flat {
  background: 
    repeating-linear-gradient(
      90deg,
      var(--wood-light) 0px,
      #D4A86A 2px,
      var(--wood-light) 4px,
      #D4A86A 6px
    );
  background-size: 8px 100%;
  transform: rotateX(180deg);
  border: 2px solid var(--wood-medium);
}

/* 結果區域 */
.result-area {
  min-height: 80px;
  text-align: center;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s ease;
}

.result-area.show {
  opacity: 1;
  transform: translateY(0);
}

.result-text {
  font-size: 2rem;
  font-weight: 600;
  color: var(--minnan-red);
  margin-bottom: 8px;
}

.result-text.sheng { color: var(--minnan-red); }
.result-text.yin { color: #666; }
.result-text.xiao { color: var(--gold); }

.result-meaning {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* 輸入區域 */
.input-area {
  width: 100%;
}

.input-area textarea {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
  border: 1px solid #E0DCD5;
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-primary);
  resize: none;
  font-family: inherit;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.input-area textarea:focus {
  outline: none;
  border-color: var(--minnan-red-light);
  box-shadow: 0 0 0 3px rgba(193, 69, 69, 0.1);
}

.input-area textarea::placeholder {
  color: var(--text-muted);
}

/* 按鈕區域 */
.action-area {
  width: 100%;
  display: flex;
  justify-content: center;
}

.throw-btn {
  padding: 14px 48px;
  font-size: 1.125rem;
  font-weight: 500;
  color: white;
  background: var(--minnan-red);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
  letter-spacing: 2px;
}

.throw-btn:hover {
  background: var(--minnan-red-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(193, 69, 69, 0.3);
}

.throw-btn:active {
  transform: translateY(0);
}

.throw-btn:disabled {
  background: #CCC;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* 說明區域 */
.info-area {
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.info-item {
  text-align: center;
}

.info-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--minnan-red);
  margin-bottom: 4px;
}

.info-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* 底部提示 */
.footer {
  text-align: center;
}

.footer p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* 響應式 */
@media (max-width: 480px) {
  .container {
    gap: 30px;
  }
  
  .logo {
    font-size: 2rem;
  }
  
  .jiaobei-pair {
    gap: 40px;
  }
  
  .jiaobei {
    width: 60px;
    height: 85px;
  }
  
  .result-text {
    font-size: 1.75rem;
  }
  
  .info-area {
    gap: 16px;
  }
  
  .throw-btn {
    padding: 12px 40px;
    font-size: 1rem;
  }
}