/* ============ Langdi 登录页 · 深色霓虹科技风 ============ */
/* 仅在 body.langdi-auth（/login 与 /admin/login）下生效 */

html.langdi-auth,
body.langdi-auth {
  min-height: 100vh;
  background: #04081a !important;
  color: #e8f1ff;
}

/* 霓虹氛围光 */
body.langdi-auth::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 520px at 12% 18%, rgba(0, 140, 255, 0.28), transparent 60%),
    radial-gradient(820px 520px at 88% 80%, rgba(122, 92, 255, 0.26), transparent 62%),
    radial-gradient(620px 420px at 72% 10%, rgba(0, 220, 255, 0.14), transparent 60%),
    linear-gradient(160deg, #060d24 0%, #04081a 55%, #071233 100%);
}

/* 细网格 */
body.langdi-auth::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(120, 180, 255, 0.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 180, 255, 0.7) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 100%);
  mask-image: radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 100%);
}

body.langdi-auth #root {
  position: relative;
  z-index: 1;
}

/* 品牌区（JS 注入） */
#langdi-brand {
  text-align: center;
  padding: 3.5vh 16px 0;
}
#langdi-brand img {
  height: 64px;
  border-radius: 18px;
  box-shadow: 0 0 34px rgba(0, 170, 255, 0.45), 0 0 90px rgba(90, 70, 255, 0.25);
}
#langdi-brand .langdi-name {
  margin-top: 10px;
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.06em;
  background: linear-gradient(92deg, #6fd3ff 5%, #9c8bff 55%, #58a6ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 42px rgba(64, 156, 255, 0.35);
}
#langdi-brand .langdi-slogan {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.35em;
  color: rgba(180, 210, 255, 0.75);
}

/* 登录卡片：玻璃拟态 */
body.langdi-auth .MuiPaper-root {
  background: rgba(10, 18, 42, 0.62) !important;
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid rgba(64, 156, 255, 0.35) !important;
  border-radius: 22px !important;
  box-shadow:
    0 0 0 1px rgba(0, 194, 255, 0.08),
    0 24px 80px rgba(0, 20, 60, 0.65),
    0 0 60px rgba(0, 150, 255, 0.18) !important;
  overflow: hidden;
}

/* 卡片内 logo 发光（品牌区已有大 logo，卡片内的隐藏避免重复） */
body.langdi-auth .MuiPaper-root:not(.MuiAppBar-root) a > img {
  display: none;
}
body.langdi-auth .MuiPaper-root img {
  border-radius: 14px;
  box-shadow: 0 0 22px rgba(0, 170, 255, 0.35);
}

/* 文字 */
body.langdi-auth .MuiTypography-root {
  color: #dbe9ff;
}
body.langdi-auth .MuiTypography-colorPrimary {
  color: #5cc8ff !important;
  text-shadow: 0 0 26px rgba(56, 189, 248, 0.45);
}
body.langdi-auth a {
  color: #7dd3fc;
}
body.langdi-auth .MuiDivider-root {
  border-color: rgba(93, 160, 255, 0.22);
}

/* 输入框 */
body.langdi-auth .MuiOutlinedInput-root {
  background: rgba(8, 16, 38, 0.55);
  border-radius: 12px;
  color: #e8f1ff;
}
body.langdi-auth .MuiOutlinedInput-notchedOutline {
  border-color: rgba(93, 160, 255, 0.35);
}
body.langdi-auth .MuiOutlinedInput-root:hover .MuiOutlinedInput-notchedOutline {
  border-color: rgba(120, 200, 255, 0.6);
}
body.langdi-auth .Mui-focused .MuiOutlinedInput-notchedOutline {
  border-color: #38bdf8 !important;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
}
body.langdi-auth .MuiOutlinedInput-input {
  background: transparent !important;
  color: #eef6ff !important;
}
body.langdi-auth .MuiOutlinedInput-input::placeholder {
  color: rgba(190, 215, 255, 0.45);
}
body.langdi-auth .MuiInputLabel-root {
  color: rgba(190, 215, 255, 0.7);
}
body.langdi-auth .MuiInputLabel-root.Mui-focused {
  color: #5cc8ff;
}
body.langdi-auth .MuiOutlinedInput-adornmentsStart svg,
body.langdi-auth .MuiOutlinedInput-adornmentsEnd svg,
body.langdi-auth .MuiInputAdornment-root .MuiSvgIcon-root {
  color: #8fb7e8;
}

/* 主按钮：蓝紫霓虹 */
body.langdi-auth .MuiButton-root {
  background: linear-gradient(90deg, #0ea5e9, #6366f1) !important;
  border: none;
  border-radius: 12px;
  color: #fff !important;
  letter-spacing: 0.08em;
  box-shadow: 0 8px 28px rgba(14, 120, 230, 0.45);
  transition: filter 0.2s, box-shadow 0.2s;
}
body.langdi-auth .MuiButton-root:hover {
  filter: brightness(1.12);
  box-shadow: 0 8px 36px rgba(56, 189, 248, 0.6);
}

/* 密码/验证码切换按钮（若存在） */
body.langdi-auth .MuiToggleButton-root {
  background: transparent;
  color: #9db9e0;
  border-color: rgba(93, 160, 255, 0.25) !important;
}
body.langdi-auth .MuiToggleButton-root.Mui-selected {
  background: rgba(56, 189, 248, 0.16) !important;
  color: #e8f6ff !important;
}

/* 提示条 / 复选框文字 */
body.langdi-auth .MuiAlert-root {
  background: rgba(10, 18, 42, 0.8);
  color: #dbe9ff;
}
body.langdi-auth .MuiFormControlLabel-label {
  color: rgba(200, 222, 255, 0.85);
}

/* 隐藏登录页页脚，避免露出旧品牌版权 */
body.langdi-auth footer {
  display: none !important;
}

/* 收窄外层容器占高，给品牌区让位 */
body.langdi-auth .langdi-wrap {
  min-height: 46vh !important;
}

/* ============ 首页 banner · 深色霓虹（body.langdi-home + JS 标记的 .langdi-hero） ============ */
/* hero 底色渐变已在 8939 chunk 里替换为 #060d24→#2b2e7e，这里只叠加光晕/网格/辉光 */
body.langdi-home .langdi-hero {
  position: relative;
  overflow: hidden;
}
body.langdi-home .langdi-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(55% 80% at 18% 25%, rgba(56, 189, 248, 0.16), transparent 60%),
    radial-gradient(48% 70% at 84% 72%, rgba(99, 102, 241, 0.30), transparent 65%),
    radial-gradient(30% 50% at 62% 12%, rgba(14, 165, 233, 0.14), transparent 60%);
}
body.langdi-home .langdi-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.07;
  background-image:
    linear-gradient(rgba(120, 180, 255, 0.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 180, 255, 0.7) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 100%);
  mask-image: radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 100%);
}
body.langdi-home .langdi-hero .MuiTypography-h1 {
  text-shadow: 0 0 26px rgba(111, 211, 255, 0.55), 0 0 64px rgba(99, 102, 241, 0.40);
  letter-spacing: 0.04em;
}
body.langdi-home .langdi-hero .MuiTypography-h4 {
  text-shadow: 0 0 18px rgba(111, 211, 255, 0.30);
}

@media (max-width: 600px) {
  #langdi-brand {
    padding-top: 4vh;
  }
  #langdi-brand img {
    height: 64px;
  }
  #langdi-brand .langdi-name {
    font-size: 30px;
  }
  #langdi-brand .langdi-slogan {
    letter-spacing: 0.2em;
    font-size: 13px;
  }
}