/* ========================================
   common.css - 公共样式（移动端适配 + 全屏）
   一体机端和领取页共享
   ======================================== */

/* ---- Reset ---- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none; /* 禁止长按弹出菜单 */
  user-select: none;
  -webkit-user-select: none;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none; /* 禁止下拉刷新/回弹 */
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: #1a1a2e;
  color: #fff;
  touch-action: manipulation; /* 禁止双击缩放 */
}

#app {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  /* 优先用 dvh（动态视口高度），兼容旧浏览器回退到 vh */
  height: 100dvh;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ---- 安全区适配（刘海屏/全面屏） ---- */
.safe-top {
  padding-top: env(safe-area-inset-top, 0px);
}
.safe-bottom {
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.safe-area {
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}

/* ---- 通用工具 ---- */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.hidden {
  display: none !important;
}

/* ---- 过渡动画 ---- */
.fade-in {
  animation: fadeIn 0.4s ease;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.slide-in {
  animation: slideIn 0.35s ease;
}
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ---- 加载动画 ---- */
.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}