/**
 * 应用启动样式
 * 包含基础布局重置和启动加载器样式
 */

/* ========== 基础布局重置 ========== */

/* 防止 Mac/Chrome 滚动白屏 */
html {
  overflow-y: auto;
  overscroll-behavior-y: none;
}

body {
  margin: 0;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  /* 禁用橡皮筋滚动效果,防止 Mac 上下滚动时出现白屏 */
  overscroll-behavior-y: none;
  overscroll-behavior-x: none;
}

#root {
  width: 100%;
  height: 100%;
  background-color: #f7f8fb;
  position: relative;
}

/* ========== 启动加载器样式 ========== */

#app-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.3s ease;
}

#app-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
  #app-loader {
    background-color: #1a1a1a;
  }
  .loader__spinner {
    border-color: #333 !important;
    border-top-color: rgba(77, 150, 255, 0.893) !important;
  }
  .loader__progress-bar {
    background-color: #333 !important;
  }
  .loader__progress-fill {
    background: linear-gradient(90deg, rgba(77, 150, 255, 0.893), rgba(77, 150, 255, 0.6)) !important;
  }
}

.loader__spinner {
  width: 32px;
  height: 32px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid rgba(0, 83, 217, 0.893);
  border-radius: 50%;
  animation: loader-spin 1s linear infinite;
}

.loader__progress {
  margin-top: 20px;
  width: 160px;
}

.loader__progress-bar {
  width: 100%;
  height: 3px;
  background-color: #f3f3f3;
  border-radius: 1.5px;
  overflow: hidden;
}

.loader__progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, rgba(0, 83, 217, 0.893), rgba(0, 83, 217, 0.6));
  border-radius: 1.5px;
  transition: width 0.1s ease;
}

@keyframes loader-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ========== 超时提示样式 ========== */

.loader__timeout-tips {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: loader-fade-in 0.3s ease;
}

.loader__timeout-text {
  font-size: 13px;
  color: #999;
}

.loader__refresh-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid #e0e0e0;
  border-radius: 50%;
  background: #fff;
  color: #666;
  cursor: pointer;
  transition: all 0.2s ease;
}

.loader__refresh-btn:hover {
  border-color: #0052d9;
  color: #0052d9;
  background: #f0f5ff;
}

.loader__refresh-btn:active {
  transform: scale(0.95);
}

@keyframes loader-fade-in {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== 深色模式适配 - 超时提示 ========== */

@media (prefers-color-scheme: dark) {
  .loader__timeout-text {
    color: #888;
  }

  .loader__refresh-btn {
    background: #2a2a2a;
    border-color: #444;
    color: #aaa;
  }

  .loader__refresh-btn:hover {
    border-color: #4d96ff;
    color: #4d96ff;
    background: #1a2a3a;
  }
}