/* 通用样式 */

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

page {
  background-color: #f8f8f8;
  font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', SimSun, sans-serif;
}

/* 布局 */
.container {
  padding: 20px;
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

/* 文字 */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.text-primary {
  color: #007aff;
}

.text-success {
  color: #4cd964;
}

.text-warning {
  color: #f0ad4e;
}

.text-danger {
  color: #dd524d;
}

.text-muted {
  color: #999;
}

/* 按钮 */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 5px;
  text-align: center;
  font-size: 16px;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background-color: #007aff;
  color: white;
}

.btn-success {
  background-color: #4cd964;
  color: white;
}

.btn-warning {
  background-color: #f0ad4e;
  color: white;
}

.btn-danger {
  background-color: #dd524d;
  color: white;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 卡片 */
.card {
  background: white;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 15px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 列表 */
.list-item {
  background: white;
  padding: 15px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
}

.list-item:last-child {
  border-bottom: none;
}

/* 间距 */
.mt-10 { margin-top: 10px; }
.mt-15 { margin-top: 15px; }
.mt-20 { margin-top: 20px; }
.mb-10 { margin-bottom: 10px; }
.mb-15 { margin-bottom: 15px; }
.mb-20 { margin-bottom: 20px; }
.ml-10 { margin-left: 10px; }
.mr-10 { margin-right: 10px; }

.p-10 { padding: 10px; }
.p-15 { padding: 15px; }
.p-20 { padding: 20px; }

/* 圆角 */
.rounded { border-radius: 5px; }
.rounded-lg { border-radius: 10px; }
.rounded-full { border-radius: 50%; }