/* ==========================================
   login.css — 登录页样式
   首屏 .login-main 锁定 100dvh，底边与视口底边重合
   ========================================== */

.login-glass-card {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  width: 100%;
  max-width: 24rem;
  padding: 1.75rem;
}

.login-glass-card:hover {
  transform: none;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

@media (min-width: 1024px) {
  .login-glass-card {
    padding: 2.25rem;
  }
}

/* 让导航栏三列对称，语言选择器位置与首页一致 */
.header-container {
  grid-template-columns: 180px 1fr 180px;
}

/*
  Login 页没有“谷歌登录”按钮，右侧会少一块宽度，导致语言按钮贴到最右。
  用不可见占位块模拟首页登录按钮宽度，把语言按钮推到一致位置。
*/
.header-login-placeholder {
  width: 100px;
  height: 32px;
  flex-shrink: 0;
  visibility: hidden;
  pointer-events: none;
}

@media (min-width: 1280px) {
  .header-container {
    grid-template-columns: 200px 1fr 200px;
  }

  .header-login-placeholder {
    width: 110px;
    height: 34px;
  }
}

/* Google 登录按钮：白底 + 细边框 + 内容宽度居中，避免蓝底与 G 图标撞色 */
.login-google-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
  padding: 12px 28px;
  border: 1px solid rgba(17, 24, 39, 0.10);
  border-radius: 50px;
  background-color: #ffffff;
  color: #1f2937;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 10px 24px rgba(15, 23, 42, 0.06);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  text-decoration: none;
}

.login-google-btn:hover {
  border-color: rgba(17, 24, 39, 0.16);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 14px 28px rgba(15, 23, 42, 0.10);
  transform: translateY(-2px);
  color: #1f2937;
}

.login-google-btn:active {
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 10px rgba(15, 23, 42, 0.08);
  transform: translateY(0);
}

.login-google-btn img {
  width: 20px;
  height: 20px;
  margin-right: 12px;
  flex-shrink: 0;
}

.login-google-btn-wrap {
  display: flex;
  justify-content: center;
}

/*
  首屏锁定一屏视口：底边与显示器底边重合，轻微滚动即可看到 footer。
  用 100dvh（含移动端动态工具栏）替代 min-h-screen，避免内容把首屏撑过一屏。
*/
.login-main {
  height: 100dvh;
  min-height: 100dvh;
  max-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 5rem 2rem 1.25rem;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .login-main {
    padding-left: 4rem;
    padding-right: 4rem;
  }
}

.login-main-inner {
  max-width: 80rem;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .login-main-inner {
    /* 横向 Lottie 略宽于登录卡，避免 1fr/1fr 把动画挤成缩略图 */
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 3rem);
  }
}

@media (min-width: 1280px) {
  .login-main-inner {
    gap: clamp(2rem, 3.5vw, 4.5rem);
  }
}

.login-lottie-col {
  display: flex;
  justify-content: center;
}

@media (min-width: 1024px) {
  .login-lottie-col {
    justify-content: flex-end;
  }
}

/*
  login-animation.json 画布为 381×250。正方形容器会在上下留白，
  动画实际可视高度被压小。大屏上限 30rem / 36rem；max-height: 68vh
  防止撑破首屏，宽度用 68vh × 381/250 换算以免比例被裁切。
*/
.login-lottie-wrap {
  width: 100%;
  max-width: min(16rem, calc(68vh * 381 / 250));
  aspect-ratio: 381 / 250;
  max-height: 68vh;
  height: auto;
  position: relative;
}

.login-lottie-wrap svg {
  width: 100%;
  height: 100%;
  display: block;
}

@media (min-width: 1024px) {
  .login-lottie-wrap {
    max-width: min(30rem, calc(68vh * 381 / 250));
  }
}

@media (min-width: 1280px) {
  .login-lottie-wrap {
    max-width: min(36rem, calc(68vh * 381 / 250));
  }
}

.login-form-col {
  display: flex;
  justify-content: center;
}

@media (min-width: 1024px) {
  .login-form-col {
    justify-content: flex-start;
  }
}

.login-card-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

/*
  登录卡装饰标：实心剪影 + 纯色淡底。
  不用 Lucide 描边 user-circle——外圈套方底会让人像又细又挤。
  不用径向光晕——白底上的淡蓝晕会发脏、发糊。
*/
.login-card-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 1.15rem;
  background: #eef2fb;
  box-shadow: inset 0 0 0 1px rgba(91, 126, 224, 0.06);
}

.login-card-icon-glyph {
  width: 2.2rem;
  height: 2.2rem;
}

/* 矮屏：进一步压缩，保证整块主内容落在一屏内 */
@media (max-height: 720px) {
  .login-main {
    padding-top: 4.5rem;
    padding-bottom: 0.75rem;
  }

  .login-main-inner {
    gap: 0.75rem;
  }

  .login-lottie-wrap {
    max-width: min(22rem, calc(40vh * 381 / 250));
    max-height: 40vh;
  }

  .login-glass-card {
    padding: 1.25rem 1.5rem;
  }

  .login-card-header {
    margin-bottom: 1rem;
  }

  .login-card-icon {
    width: 3.25rem;
    height: 3.25rem;
    margin-bottom: 0.65rem;
    border-radius: 1.1rem;
  }

  .login-card-icon-glyph {
    width: 1.75rem;
    height: 1.75rem;
  }

  .login-card-header h1 {
    font-size: 1.5rem;
  }
}

@media (max-width: 1023px) and (max-height: 700px) {
  .login-lottie-wrap {
    max-width: min(14rem, calc(28vh * 381 / 250));
    max-height: 28vh;
  }
}

/* 极矮屏（横屏手机等）：隐藏动画，优先保证登录卡完整可见 */
@media (max-height: 520px) {
  .login-lottie-col {
    display: none;
  }
}