mini-starter/mini/src/pages/login/index.css

/* 小程序登录页样式 - 符合16-mini-program-ui.md规范 */

/* 1. 设计原则 - 简洁直观、一致性、响应迅速、易用性 */

/* 页面容器 - 使用品牌主色渐变背景 */
.login-container {
  min-height: 100vh;
  background: linear-gradient(180deg, #1890ff 0%, #096dd9 100%);
  padding: 64rpx 32rpx;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

/* 背景装饰 - 符合简洁原则 */
.login-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('https://source.unsplash.com/800x1200/?abstract,blue,light') center/cover;
  opacity: 0.1;
  filter: blur(2rpx);
}

/* 2. 视觉规范 - 色彩系统 */

/* 主色调应用 */
.login-header {
  text-align: center;
  margin-bottom: 96rpx;
  position: relative;
  z-index: 1;
}

/* Logo样式 - 符合图标规范 */
.login-logo {
  width: 160rpx;
  height: 160rpx;
  border-radius: 50%;
  margin-bottom: 48rpx;
  box-shadow: 0 8rpx 24rpx rgba(0, 0, 0, 0.12);
  border: 4rpx solid rgba(255, 255, 255, 0.3);
  background: #ffffff;
}

/* 标题样式 - 符合字体规范 */
.login-title-container {
  margin-top: 32rpx;
}

.login-title {
  display: block;
  font-size: 48rpx;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 16rpx;
  letter-spacing: 1rpx;
  line-height: 1.3;
}

.login-subtitle {
  display: block;
  font-size: 32rpx;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
  font-weight: 400;
}

/* 3. 组件规范 - 卡片样式 */

/* 表单区域 - 使用卡片规范 */
.login-form {
  width: 100%;
  max-width: 640rpx;
  background: #ffffff;
  border-radius: 24rpx;
  padding: 64rpx 48rpx;
  box-shadow: 0 8rpx 32rpx rgba(0, 0, 0, 0.08);
  position: relative;
  z-index: 1;
}

/* 表单间距 - 符合间距规范 */
.form-item {
  margin-bottom: 48rpx;
}

.form-label {
  display: block;
  font-size: 32rpx;
  color: #262626;
  margin-bottom: 16rpx;
  font-weight: 500;
}

/* 输入框样式 - 符合输入框规范 */
.input-wrapper {
  position: relative;
}

.form-input {
  width: 100%;
  height: 96rpx;
  border: 2rpx solid #d9d9d9;
  border-radius: 12rpx;
  padding: 0 32rpx;
  font-size: 32rpx;
  color: #262626;
  box-sizing: border-box;
  background: #fafafa;
  transition: all 0.2s ease;
}

.form-input:focus {
  border-color: #1890ff;
  background: #ffffff;
  box-shadow: 0 0 0 4rpx rgba(24, 144, 255, 0.2);
}

.form-input::placeholder {
  color: #8c8c8c;
  font-size: 32rpx;
}

/* 4. 按钮规范 - 主要按钮样式 */
.login-button {
  width: 100%;
  height: 96rpx;
  background: #1890ff;
  color: #ffffff;
  border-radius: 12rpx;
  font-size: 36rpx;
  font-weight: 500;
  margin-top: 64rpx;
  transition: all 0.2s ease;
  box-shadow: 0 4rpx 16rpx rgba(24, 144, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.login-button:active {
  transform: scale(0.98);
  box-shadow: 0 2rpx 8rpx rgba(24, 144, 255, 0.2);
}

.login-button.loading {
  opacity: 0.7;
  transform: scale(0.98);
}

.login-button:disabled {
  background: #bfbfbf;
  color: #ffffff;
  box-shadow: none;
}

/* 5. 页脚样式 */
.login-footer {
  text-align: center;
  margin-top: 48rpx;
}

.footer-text {
  font-size: 32rpx;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 400;
}

.link-text {
  color: #ffffff;
  font-size: 32rpx;
  font-weight: 500;
  text-decoration: underline;
}

.link-text:active {
  opacity: 0.8;
}

.login-footer-info {
  position: absolute;
  bottom: 48rpx;
  left: 0;
  right: 0;
  text-align: center;
}

.footer-tip {
  font-size: 28rpx;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8rpx;
  font-weight: 400;
}

.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16rpx;
  flex-wrap: wrap;
}

.link-separator {
  color: rgba(255, 255, 255, 0.7);
  font-size: 28rpx;
}

/* 6. 响应式设计 - 适配不同屏幕 */
@media screen and (max-width: 375px) {
  .login-container {
    padding: 48rpx 24rpx;
  }
  
  .login-form {
    padding: 48rpx 32rpx;
  }
  
  .login-title {
    font-size: 42rpx;
  }
  
  .login-subtitle {
    font-size: 28rpx;
  }
  
  .login-logo {
    width: 128rpx;
    height: 128rpx;
  }
}

@media screen and (min-width: 415px) {
  .login-container {
    padding: 96rpx 48rpx;
  }
  
  .login-form {
    padding: 80rpx 64rpx;
  }
}

/* 7. 深色模式适配 */
@media (prefers-color-scheme: dark) {
  .login-container {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
  }
  
  .login-title {
    color: #e6e6e6;
  }
  
  .login-subtitle {
    color: rgba(230, 230, 230, 0.85);
  }
  
  .login-form {
    background: #2a2a2a;
    box-shadow: 0 8rpx 32rpx rgba(0, 0, 0, 0.3);
  }
  
  .form-label {
    color: #e6e6e6;
  }
  
  .form-input {
    background: #3a3a3a;
    border-color: #595959;
    color: #e6e6e6;
  }
  
  .form-input:focus {
    border-color: #1890ff;
    background: #4a4a4a;
  }
  
  .footer-text {
    color: rgba(230, 230, 230, 0.9);
  }
  
  .link-text {
    color: #1890ff;
  }
  
  .footer-tip,
  .link-separator {
    color: rgba(230, 230, 230, 0.7);
  }
}

/* 8. 动效规范 - 过渡动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(64rpx);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.login-header {
  animation: fadeIn 0.6s ease-out;
}

.login-form {
  animation: fadeInUp 0.8s ease-out;
}

.login-button {
  animation: fadeInUp 1s ease-out;
}

/* 9. 触摸反馈 - 微交互 */
.form-item {
  transition: transform 0.2s ease;
}

.form-item:active {
  transform: scale(0.99);
}

/* 10. 安全区域适配 */
@supports (padding-top: constant(safe-area-inset-top)) {
  .login-container {
    padding-top: calc(64rpx + constant(safe-area-inset-top));
  }
}

@supports (padding-top: env(safe-area-inset-top)) {
  .login-container {
    padding-top: calc(64rpx + env(safe-area-inset-top));
  }
}

@supports (padding-bottom: constant(safe-area-inset-bottom)) {
  .login-container {
    padding-bottom: calc(64rpx + constant(safe-area-inset-bottom));
  }
}

@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .login-container {
    padding-bottom: calc(64rpx + env(safe-area-inset-bottom));
  }
}

/* 11. 辅助样式 */
.hidden {
  display: none;
}

.loading-skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}