/* 通用样式 - 所有页面共用 */

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* 主题色 */
  --primary-color: #d4380d;
  --primary-light: #ff7a45;
  --primary-dark: #ad2102;
  
  /* 金色系（臻选版） */
  --gold-color: #faad14;
  --gold-light: #ffd666;
  --gold-dark: #d48806;
  
  /* 中性色 */
  --text-primary: #262626;
  --text-secondary: #595959;
  --text-disabled: #bfbfbf;
  --border-color: #d9d9d9;
  --bg-gray: #fafafa;
  
  /* 功能色 */
  --success-color: #52c41a;
  --warning-color: #faad14;
  --error-color: #f5222d;
  
  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.page {
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 44px;
  padding: 0 var(--spacing-md);
  background-color: #fff;
  border-bottom: 1px solid var(--border-color);
}

.navbar.transparent {
  background-color: transparent;
  border-bottom: none;
}

.btn-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  font-size: 20px;
  color: var(--text-primary);
  cursor: pointer;
}

.page-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
}

.navbar-right {
  width: 32px;
}

.btn-share {
  padding: 4px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  user-select: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--primary-light);
  border-color: var(--primary-light);
}

.btn-primary:active {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-outline {
  background-color: #fff;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline:hover {
  color: var(--primary-light);
  border-color: var(--primary-light);
}

.btn-large {
  padding: 12px 24px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

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

/* 进度条 */
.progress-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-md);
  background-color: #fff;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  background-color: #fff;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-disabled);
  transition: all 0.3s;
}

.progress-step.active .step-number {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
  color: #fff;
}

.progress-step.completed .step-number {
  border-color: var(--success-color);
  background-color: var(--success-color);
  color: #fff;
}

.step-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.progress-step.active .step-label {
  color: var(--primary-color);
  font-weight: 500;
}

.progress-line {
  flex: 1;
  height: 2px;
  background-color: var(--border-color);
  margin: 0 var(--spacing-sm);
}

.progress-line.active {
  background-color: var(--primary-color);
}

/* 模态框 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s;
}

.modal-content {
  width: 90%;
  max-width: 400px;
  max-height: 80vh;
  background-color: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: slideUp 0.3s;
}

.modal-content.large {
  max-width: 600px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 500;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
}

.modal-body {
  padding: var(--spacing-md);
  max-height: calc(80vh - 60px);
  overflow-y: auto;
}

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

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

/* 响应式 */
@media (max-width: 768px) {
  .modal-content {
    width: 95%;
  }
}