/**
 * MBTI人格测试 - 全局样式
 * 深色高级感设计
 */

/* ==================== 变量定义 ==================== */
:root {
  /* 背景色 */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --bg-hover: #22222e;
  
  /* 渐变色 */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-gold: linear-gradient(135deg, #f5af19 0%, #f12711 100%);
  
  /* 文字颜色 */
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;
  
  /* 强调色 */
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  
  /* 边框 */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-radius: 16px;
  --border-radius-sm: 8px;
  
  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
  
  /* 字体 */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  
  /* 动画 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==================== 基础重置 ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}

/* ==================== 通用布局 ==================== */
.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 20px;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==================== 标题 ==================== */
.page-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 24px;
}

/* ==================== 按钮 ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  outline: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--accent-primary);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
}

.btn-icon {
  padding: 12px;
  border-radius: 50%;
}

/* ==================== 卡片 ==================== */
.card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 24px;
  margin-bottom: 16px;
}

.card-header {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

/* ==================== 进度条 ==================== */
.progress-bar {
  height: 4px;
  background: var(--bg-hover);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

/* ==================== 选项按钮 ==================== */
.option-btn {
  width: 100%;
  padding: 20px;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 16px;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-normal);
  margin-bottom: 12px;
}

.option-btn:hover {
  border-color: var(--accent-primary);
  background: var(--bg-hover);
  transform: scale(1.02);
}

.option-btn.selected {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.2);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.option-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.option-text {
  font-weight: 500;
}

/* ==================== 头部导航 ==================== */
.header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-back {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border-radius: 50%;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 20px;
  transition: all var(--transition-fast);
}

.header-back:hover {
  background: var(--bg-hover);
}

.header-title {
  font-size: 18px;
  font-weight: 600;
}

.header-action {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

/* ==================== 底部操作栏 ==================== */
.bottom-bar {
  padding: 16px 20px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

/* ==================== 加载动画 ==================== */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--bg-hover);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  margin-top: 16px;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ==================== 空状态 ==================== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-desc {
  color: var(--text-secondary);
  font-size: 14px;
}

/* ==================== 人格类型展示 ==================== */
.mbti-type {
  font-size: 64px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  letter-spacing: 4px;
  margin-bottom: 8px;
}

.mbti-nickname {
  font-size: 24px;
  font-weight: 600;
  text-align: center;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.mbti-desc {
  font-size: 16px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.8;
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

/* ==================== 分享卡片 ==================== */
.share-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.share-image {
  width: 100%;
  aspect-ratio: 1;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.share-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.share-content {
  padding: 20px;
}

.share-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

/* ==================== 佣金面板 ==================== */
.commission-card {
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  padding: 24px;
  text-align: center;
  margin-bottom: 20px;
}

.commission-amount {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
}

.commission-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 4px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.stat-item {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 16px;
  text-align: center;
  border: 1px solid var(--border-color);
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==================== 浮动提示 ==================== */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  animation: toastIn 0.3s ease;
}

.toast.success {
  border-color: var(--accent-success);
}

.toast.error {
  border-color: var(--accent-danger);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* ==================== 动画 ==================== */
.fade-in {
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-up {
  animation: slideUp 0.5s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scale-in {
  animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ==================== 辅助类 ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.py-1 { padding-top: 8px; padding-bottom: 8px; }
.py-2 { padding-top: 16px; padding-bottom: 16px; }
.py-3 { padding-top: 24px; padding-bottom: 24px; }

.px-2 { padding-left: 16px; padding-right: 16px; }
.px-3 { padding-left: 24px; padding-right: 24px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* ==================== 响应式 ==================== */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .page-title {
    font-size: 24px;
  }
  
  .mbti-type {
    font-size: 48px;
  }
  
  .mbti-nickname {
    font-size: 20px;
  }
  
  .btn {
    padding: 12px 24px;
  }
}