:root {
  --primary-color: #7b68ee; /* 紫色主色調 */
  --primary-light: #9d8df2;
  --primary-dark: #5b48c0;
  --secondary-color: #8a8a8a;
  --success-color: #4cd964;
  --danger-color: #ff3b30;
  --background-color: #f0f0ff; /* 淡紫色背景 */
  --card-color: #ffffff;
  --text-color: #333333;
  --text-secondary: #666666;
  --border-color: #e0e0ff;
  --border-radius: 16px; /* 更大的圓角 */
  --button-radius: 28px; /* 按鈕圓角 */
  --shadow: 0 10px 30px rgba(123, 104, 238, 0.12);
  --transition: all 0.3s ease;
  --font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --iphone-16-pro-width: 393px; /* iPhone 16 Pro 寬度 */
  --iphone-16-pro-height: 852px; /* iPhone 16 Pro 高度 */
}

* {
  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: 1.47058;
  font-weight: 400;
  letter-spacing: -0.022em;
  padding: 0;
  margin: 0;
  min-height: 100vh;
  background-image: linear-gradient(135deg, #f0f0ff 0%, #e6e6ff 100%);
}

.container {
  max-width: var(--iphone-16-pro-width);
  margin: 0 auto;
  padding: 60px 20px 40px; /* 增加頂部間距，避免被靈動島遮擋 */
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-top: env(safe-area-inset-top, 60px); /* 使用 iOS 安全區域 */
}

header {
  text-align: center;
  margin-bottom: 20px;
  padding: 5px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  margin-top: 50px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  padding: 10px 20px;
  border-radius: var(--button-radius);
  box-shadow: var(--shadow);
}

.logo {
  font-size: 1.8rem;
  margin-right: 10px;
}

h1 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 5px;
  color: white;
  letter-spacing: -0.025em;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.card {
  background-color: var(--card-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 25px;
  margin-bottom: 30px;
  border: none;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.hero {
  text-align: center;
  margin-bottom: 30px;
  padding: 0 20px;
}

.hero h2 {
  font-size: 2.8rem;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #0071e3, #42a1ec);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.3rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.4;
}

/* 已移除語音輸入相關樣式 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 24px;
  border-radius: var(--button-radius);
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  text-decoration: none;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn .icon {
  margin-right: 8px;
  font-size: 1.2rem;
}

.primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  box-shadow: 0 4px 15px rgba(123, 104, 238, 0.3);
}

.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(123, 104, 238, 0.4);
}

.secondary {
  background-color: var(--text-secondary);
  color: white;
}

.secondary:hover {
  background-color: #7a7a7f;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.status {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-left: 10px;
  padding: 10px 15px;
  background-color: rgba(123, 104, 238, 0.05);
  border-radius: var(--border-radius);
  margin-top: 15px;
  text-align: center;
}

.text-input-section {
  margin-bottom: 30px;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--text-color);
  font-weight: 600;
  letter-spacing: -0.022em;
}

/* 已移除語音轉錄相關樣式 */

.result-section {
  margin-top: 30px;
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
}

.result-header {
  margin-bottom: 20px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-bottom: 25px;
}

.result-item {
  display: flex;
  flex-direction: column;
}

.full-width {
  grid-column: 1 / -1;
  width: 100%;
  margin-bottom: 20px;
  font-size: 1.1rem;
  padding: 16px 24px;
}

label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.result-item span.value {
  font-weight: 500;
  background-color: var(--background-color);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-size: 1.1rem;
}

#magicLinkSection {
  display: none;
  justify-content: center;
  margin-top: 25px;
  padding: 15px;
}

#magicLink {
  display: none;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 16px 30px;
  border-radius: var(--button-radius);
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  box-shadow: 0 4px 15px rgba(123, 104, 238, 0.4);
  transition: all 0.3s ease;
  margin: 15px auto;
  width: 80%;
  max-width: 300px;
}

#magicLink:hover, #magicLink:active {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(123, 104, 238, 0.5);
}

.magic-link {
  background-color: var(--primary-color);
  color: white;
  font-size: 1.1rem;
  padding: 15px 30px;
  box-shadow: 0 2px 8px rgba(0, 113, 227, 0.2);
}

.magic-link:hover {
  filter: brightness(1.1);
}

.examples {
  background-color: var(--card-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 30px;
  border: 1px solid var(--border-color);
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.example-card {
  background-color: var(--background-color);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.example-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.example-card p {
  margin-bottom: 15px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.example-btn {
  background-color: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  padding: 8px 16px;
  border-radius: 980px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  width: 100%;
}

.example-btn:hover {
  background-color: var(--primary-color);
  color: white;
}

.input-group {
  display: flex;
  margin-bottom: 20px;
  position: relative;
}

.input-group textarea {
  flex: 1;
  padding: 18px 20px;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  font-size: 1.1rem;
  font-family: var(--font-family);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  background-color: rgba(255, 255, 255, 0.8);
  color: var(--text-color);
  min-height: 120px;
  resize: vertical;
  line-height: 1.5;
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.03);
}

.input-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(123, 104, 238, 0.2);
  background-color: white;
}

.input-group button {
  margin-left: 10px;
  padding: 0 20px;
  border-radius: 14px;
}

footer {
  text-align: center;
  padding: 20px 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  border-top: 1px solid rgba(123, 104, 238, 0.1);
  margin-top: auto;
}

/* 響應式設計 - 針對 iPhone 16 Pro 優化 */
@media (max-width: 430px) { /* iPhone 16 Pro 寬度為 393px */
  .hero h2 {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .result-grid {
    grid-template-columns: 1fr;
  }
  
  .examples-grid {
    grid-template-columns: 1fr;
  }
  
  .card, .examples {
    padding: 20px;
    border-radius: 20px;
  }
  
  .input-group {
    flex-direction: column;
  }
  
  .input-group button {
    margin-left: 0;
    margin-top: 10px;
    width: 100%;
  }
  
  .status {
    margin-top: 10px;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  .container {
    padding: 15px 12px;
  }
  
  .btn {
    padding: 14px 20px;
  }
  
  .logo-container {
    padding: 10px 20px;
  }
}

/* 針對 iPhone 16 Pro 的安全區域適配 */
@supports (padding: max(0px)) {
  .container {
    padding-left: max(15px, env(safe-area-inset-left));
    padding-right: max(15px, env(safe-area-inset-right));
    padding-bottom: max(15px, env(safe-area-inset-bottom));
  }
}