/* ============================================================
   login-rainbow.css - Rainbow UI Login Page Style
   Complete replacement for login.css with rainbow theme
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --rainbow-red: #ff4757;
  --rainbow-orange: #ff6348;
  --rainbow-yellow: #ffa502;
  --rainbow-green: #2ed573;
  --rainbow-blue: #1e90ff;
  --rainbow-purple: #a855f7;
  --rainbow-pink: #ec4899;
  --rainbow-gradient: linear-gradient(
    135deg,
    var(--rainbow-red),
    var(--rainbow-orange),
    var(--rainbow-yellow),
    var(--rainbow-green),
    var(--rainbow-blue),
    var(--rainbow-purple),
    var(--rainbow-pink)
  );
  --rainbow-gradient-180: linear-gradient(
    180deg,
    var(--rainbow-red),
    var(--rainbow-orange),
    var(--rainbow-yellow),
    var(--rainbow-green),
    var(--rainbow-blue),
    var(--rainbow-purple),
    var(--rainbow-pink)
  );
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.35);
  --glass-shadow: rgba(0, 0, 0, 0.08);
  --glass-blur: 20px;
}

/* ---------- Keyframes ---------- */
@keyframes rainbow-bg {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes rainbow-border {
  0%   { border-color: var(--rainbow-red); }
  16%  { border-color: var(--rainbow-orange); }
  33%  { border-color: var(--rainbow-yellow); }
  50%  { border-color: var(--rainbow-green); }
  66%  { border-color: var(--rainbow-blue); }
  83%  { border-color: var(--rainbow-purple); }
  100% { border-color: var(--rainbow-red); }
}

@keyframes rainbow-shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes rainbow-glow {
  0%   { box-shadow: 0 0 5px var(--rainbow-red); }
  16%  { box-shadow: 0 0 5px var(--rainbow-orange); }
  33%  { box-shadow: 0 0 5px var(--rainbow-yellow); }
  50%  { box-shadow: 0 0 5px var(--rainbow-green); }
  66%  { box-shadow: 0 0 5px var(--rainbow-blue); }
  83%  { box-shadow: 0 0 5px var(--rainbow-purple); }
  100% { box-shadow: 0 0 5px var(--rainbow-red); }
}

@keyframes float-up {
  0%   { transform: translateY(0) scale(1); opacity: 0.6; }
  50%  { opacity: 1; }
  100% { transform: translateY(-80px) scale(1.2); opacity: 0; }
}

/* iOS App Switcher entrance animation - fast & snappy */
/* Uses cubic-bezier(0.25, 0.46, 0.45, 0.94) = quick ease-out */
@keyframes ios-card-enter {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0.88) rotateX(12deg);
    filter: blur(6px);
  }
  60% {
    opacity: 1;
    transform: translateY(-52%) scale(1.01) rotateX(-1deg);
    filter: blur(0);
  }
  100% {
    opacity: 1;
    transform: translateY(-50%) scale(1) rotateX(0deg);
    filter: blur(0);
  }
}

/* Mobile version of iOS card enter */
@keyframes ios-card-enter-mobile {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0.88) rotateX(12deg);
    filter: blur(6px);
  }
  60% {
    opacity: 1;
    transform: translateY(-2%) scale(1.01) rotateX(-1deg);
    filter: blur(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1) rotateX(0deg);
    filter: blur(0);
  }
}

/* Staggered content fade-in after card arrives - silky */
@keyframes content-fade-in {
  0%   { opacity: 0; transform: translateY(16px) scale(0.98); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* Logo bounce after card enters - elastic ease */
@keyframes logo-bounce-in {
  0%   { opacity: 0; transform: scale(0.6) translateY(20px); }
  55%  { opacity: 1; transform: scale(1.06) translateY(-3px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

/* Input items stagger slide up - silky with slight scale */
@keyframes input-slide-up {
  0%   { opacity: 0; transform: translateY(20px) scale(0.97); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* Social icons pop in - elastic */
@keyframes social-pop-in {
  0%   { opacity: 0; transform: scale(0.3); }
  55%  { opacity: 1; transform: scale(1.12); }
  100% { opacity: 1; transform: scale(1); }
}

/* ---------- Reset & Base ---------- */
html, body {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Microsoft YaHei", "Open Sans", Arial, "Hiragino Sans GB", "STHeiti", "WenQuanYi Micro Hei", SimSun, sans-serif;
  background: var(--rainbow-gradient);
  background-size: 400% 400%;
  animation: rainbow-bg 12s ease infinite;
  color: rgba(0, 0, 0, 0.8);
  font-size: 100%;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
  word-wrap: break-word;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  transition: color 0.3s ease;
}

button, input {
  font-family: "Microsoft YaHei", "Lucida Sans Unicode", "Lucida Sans", Geneva, Verdana, sans-serif;
}

input[type="submit"],
input[type="reset"],
input[type="button"],
button {
  -webkit-appearance: none;
}

:focus {
  outline: 0;
}

* {
  box-sizing: border-box;
}

/* Rainbow gradient placeholder text */
::-webkit-input-placeholder {
  background: var(--rainbow-gradient);
  background-size: 400% 400%;
  animation: rainbow-bg 4s ease infinite;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}
::-moz-placeholder {
  background: var(--rainbow-gradient);
  background-size: 400% 400%;
  animation: rainbow-bg 4s ease infinite;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}
:-ms-input-placeholder {
  background: var(--rainbow-gradient);
  background-size: 400% 400%;
  animation: rainbow-bg 4s ease infinite;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

/* ---------- Login Card - White-Purple-MilkGray-SkyBlue Gradient + iOS Entrance ---------- */
.loginbox {
  position: relative;
  background: linear-gradient(135deg, #ffffff 0%, #a855f7 33%, #f0f0eb 66%, #87ceeb 100%);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  width: 460px;
  margin: 0 auto;
  border-radius: 20px;
  padding: 44px 0 60px;
  text-align: center;
  top: 50%;
  transform: translateY(-50%);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  /* iOS App Switcher entrance: slide up from bottom with perspective */
  animation: ios-card-enter 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  transform-style: preserve-3d;
  perspective: 1000px;
  will-change: transform, opacity, filter;
}

/* Inner glass overlay for content readability */
.loginbox::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: transparent;
  z-index: 1;
  border-radius: 20px;
}

/* Subtle border glow */
.loginbox::after {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border-radius: 21px;
  background: rgba(0, 0, 0, 0.03);
  z-index: -1;
  opacity: 1;
  filter: blur(0);
}

.loginbox:hover::after {
  opacity: 1;
  filter: blur(0);
}

.loginbox:hover {
  box-shadow:
    0 25px 70px rgba(0, 0, 0, 0.18),
    0 0 0 1px rgba(0, 0, 0, 0.08);
}

/* ---------- Login Card with Left Image ---------- */
.loginbox.has-left {
  width: 760px;
  padding-left: 300px;
}

.loginbox.has-left .loginimage {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 300px;
  border-radius: 20px 0 0 20px;
  overflow: hidden;
}

.loginbox.has-left .loginimage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Rainbow overlay on left image */
.loginbox.has-left .loginimage::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--rainbow-gradient);
  background-size: 300% 300%;
  animation: rainbow-bg 10s ease infinite;
  opacity: 0.08;
  mix-blend-mode: overlay;
  pointer-events: none;
}

/* ---------- Content Area - Staggered Animations ---------- */
.loginbox .part {
  max-width: 340px;
  width: 100%;
  display: inline-block;
  position: relative;
  z-index: 2;
}

.loginbox h2 {
  font-size: 28px;
  text-align: center;
  margin: 20px auto;
  color: #333;
  text-shadow: none;
  /* Logo bounce in after card */
  opacity: 0;
  animation: logo-bounce-in 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation-delay: 0.45s;
  will-change: transform, opacity;
}

.loginbox h2 a {
  color: #333;
}

.loginbox h2 img {
  width: 80px;
  height: auto;
  border: none;
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 3px solid rgba(0, 0, 0, 0.08);
}

.loginbox h2 img:hover {
  transform: scale(1.08) rotate(5deg);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.loginbox p {
  margin: 0;
}

/* ---------- Input Items - Staggered Slide Up ---------- */
.loginbox .input-item {
  margin-bottom: 10px;
  position: relative;
  font-size: 13px;
  /* Staggered slide up animation - fast */
  opacity: 0;
  animation: input-slide-up 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  will-change: transform, opacity;
}

/* Stagger delays for each input item - snappy */
.loginbox .input-item:nth-child(1) { animation-delay: 0.48s; }
.loginbox .input-item:nth-child(2) { animation-delay: 0.54s; }
.loginbox .input-item:nth-child(3) { animation-delay: 0.60s; }
.loginbox .input-item:nth-child(4) { animation-delay: 0.66s; }
.loginbox .input-item:nth-child(5) { animation-delay: 0.72s; }

.loginbox .input-item .icon {
  position: absolute;
  left: 10px;
  top: 10.5px;
  color: rgba(0, 0, 0, 0.4);
  transition: color 0.3s ease;
  z-index: 2;
}

.loginbox .input-item .input-control {
  padding: 13px 12px 13px 33px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  width: 100%;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.85);
  color: #1a1a2e;
  transition: all 0.35s ease;
  font-size: 16px;
  font-weight: 500;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.loginbox .input-item .input-control:hover {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Rainbow border on focus */
.loginbox .input-item .input-control:focus {
  border-color: #fff;
  background: #fff;
  animation: rainbow-border 3s linear infinite;
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, 0.3),
    0 4px 15px rgba(0, 0, 0, 0.1);
}

.loginbox .input-item .input-control:focus + .icon,
.loginbox .input-item:focus-within .icon {
  color: var(--rainbow-purple);
}

/* ---------- Captcha ---------- */
.loginbox .input-item .captcha-img {
  top: -9.5px;
  right: -13px;
  cursor: pointer;
  height: 38px;
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.2s ease;
}

.loginbox .input-item .captcha-img:hover {
  transform: scale(1.05);
}

.loginbox .input-item .captcha-clk,
.loginbox .input-item .captcha-clk2,
.loginbox .input-item .captcha-sms-clk {
  position: absolute;
  cursor: pointer;
  font-size: 13px;
  color: var(--theme-color, #ff5f33);
  display: inline-block;
  top: 13px;
  right: 15px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 2px 6px;
  border-radius: 4px;
}

.loginbox .input-item .captcha-clk:hover,
.loginbox .input-item .captcha-clk2:hover,
.loginbox .input-item .captcha-sms-clk:hover {
  background: linear-gradient(
    135deg,
    rgba(255, 71, 87, 0.08),
    rgba(30, 144, 255, 0.08)
  );
}

.loginbox .input-item .captcha-clk.disabled,
.loginbox .input-item .captcha-sms-clk.disabled {
  cursor: auto;
  opacity: 0.5;
}

.loginbox .input-item .invitation-link {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 12px;
  color: #fff;
  background: var(--rainbow-gradient);
  background-size: 200% 200%;
  animation: rainbow-bg 3s ease infinite;
  padding: 5px 10px;
  border-radius: 6px;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.25s ease;
  z-index: 3;
}

.loginbox .input-item .invitation-link:hover {
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  filter: brightness(1.1);
}

.loginbox .input-item .invitation-link:active {
  transform: translateY(0) scale(0.98);
}

/* ---------- Submit Button - Rainbow Gradient Button ---------- */
.loginbox .input-submit {
  margin-bottom: 6px;
  opacity: 0;
  animation: input-slide-up 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  animation-delay: 0.78s;
  will-change: transform, opacity;
}

.loginbox .input-submit .submit {
  font-size: 15px;
  background: var(--rainbow-gradient);
  background-size: 400% 400%;
  animation: rainbow-bg 6s ease infinite;
  color: #fff;
  width: 100%;
  border: none;
  border-radius: 10px;
  padding: 12px 0;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 1px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 4px 15px rgba(0, 0, 0, 0.2),
    0 0 20px rgba(255, 71, 87, 0.2);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.loginbox .input-submit .submit:hover {
  background-size: 200% 200%;
  box-shadow:
    0 8px 25px rgba(0, 0, 0, 0.25),
    0 0 40px rgba(255, 71, 87, 0.35);
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.08);
}

.loginbox .input-submit .submit:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  filter: brightness(0.95);
}

/* Shimmer overlay on submit button */
.loginbox .input-submit .submit::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: rainbow-shimmer 3s ease-in-out infinite;
  pointer-events: none;
}

/* ---------- Safe Links ---------- */
.loginbox .safe {
  margin-bottom: 30px;
  margin-top: 15px;
  overflow: hidden;
  text-align: left;
  opacity: 0;
  animation: content-fade-in 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  animation-delay: 0.82s;
  will-change: transform, opacity;
}

.loginbox .signup-social-only .safe {
  margin-bottom: 0;
}

.loginbox .safe a {
  font-size: 13px;
  background: linear-gradient(135deg, #ff4757, #ff6348, #ffa502, #2ed573, #1e90ff, #a855f7, #ec4899);
  background-size: 400% 400%;
  animation: rainbow-bg 4s ease infinite;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  float: left;
  transition: all 0.3s ease;
}

.loginbox .safe a:hover {
  filter: brightness(1.2);
}

.loginbox .safe .signup-loader,
.loginbox .safe .signsms-loader {
  float: right;
}

/* ---------- Tips ---------- */
.loginbox .sign-tips2,
.loginbox .sign-tip {
  font-size: 8px;
  color: #f42;
  margin-bottom: 10px;
  margin-top: -4px;
  display: none;
}

.loginbox .mpPart .sign-tips2 {
  text-align: center;
  margin-top: 5px;
}

.loginbox .sign-tips2 a {
  display: none;
}

.loginbox .regSuccess {
  font-size: 14px;
  text-align: center;
  margin-top: 90px;
}

/* ---------- Social Login - Pop In Animation ---------- */
.loginbox .social-login {
  text-align: center;
  font-size: 13px;
  opacity: 0;
  animation: content-fade-in 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  animation-delay: 0.86s;
  will-change: transform, opacity;
}

.loginbox .signup-social-only .sign-social {
  margin-bottom: 50px;
}

.loginbox .social-login .social-title {
  margin-bottom: 20px;
}

.loginbox .social-login span {
  color: #aaa;
  position: relative;
  transition: color 0.3s ease;
}

.loginbox .social-login span:before {
  top: 9px;
  left: -105px;
}

.loginbox .social-login span:after {
  top: 9px;
  right: -105px;
}

.loginbox .social-login span:before,
.loginbox .social-login span:after {
  position: absolute;
  content: '';
  border-bottom: rgba(0, 0, 0, 0.08) 1px solid;
  box-shadow: 0 1px rgba(255, 255, 255, 0.5);
  width: 90px;
}

/* Social icons with pop-in animation */
.sign-social .login-qq,
.sign-social .login-weibo,
.sign-social .login-weixin,
.sign-social .login-google,
.sign-social .login-facebook,
.sign-social .login-twitter {
  opacity: 0;
  filter: alpha(opacity=85);
  color: #fff;
  font-size: 28px;
  text-align: center;
  width: 50px;
  height: 50px;
  line-height: 50px;
  border-radius: 50%;
  text-align: center;
  margin: 0 8px;
  display: inline-block;
  position: relative;
  overflow: hidden;
  transition: all 0.35s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  animation: social-pop-in 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Staggered pop-in for social icons - snappy */
.sign-social .login-qq     { animation-delay: 0.92s; }
.sign-social .login-weibo  { animation-delay: 0.98s; }
.sign-social .login-weixin { animation-delay: 1.04s; }
.sign-social .login-google { animation-delay: 1.10s; }

.loginbox .signup-social-only .sign-social .login-qq,
.loginbox .signup-social-only .sign-social .login-weibo,
.loginbox .signup-social-only .sign-social .login-weixin,
.loginbox .signup-social-only .sign-social .login-google,
.loginbox .signup-social-only .sign-social .login-facebook,
.sign-social .login-twitter {
  width: 60px;
  height: 60px;
  line-height: 60px;
}

/* Rainbow shimmer overlay on social icons */
.sign-social .login-qq::after,
.sign-social .login-weibo::after,
.sign-social .login-weixin::after,
.sign-social .login-google::after,
.sign-social .login-facebook::after,
.sign-social .login-twitter::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 70%
  );
  background-size: 200% 200%;
  animation: rainbow-shimmer 4s ease-in-out infinite;
  pointer-events: none;
}

/* Social icon colors - preserved but enhanced */
.sign-social .login-qq {
  background-color: #3F92D6;
}
.sign-social .login-weibo {
  background-color: #FF766C;
}
.sign-social .login-weixin {
  background-color: #40C34A;
}
.sign-social .login-google {
  background-color: #ea4335;
}
.sign-social .login-facebook {
  background-color: #1877F2;
}
.sign-social .login-twitter {
  background-color: #4ab3f4;
}

/* Social icon hover effects */
.sign-social .login-qq:hover,
.sign-social .login-weibo:hover,
.sign-social .login-weixin:hover,
.sign-social .login-google:hover,
.sign-social .login-facebook:hover,
.sign-social .login-twitter:hover {
  color: #fff;
  opacity: 1;
  filter: alpha(opacity=100);
  transform: translateY(-4px) scale(1.12);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.sign-social .icon {
  font-size: 28px;
  top: 0;
}

.loginbox .signup-social-only .sign-social .icon {
  font-size: 28px;
}

/* ---------- Form Policy ---------- */
.form-policy {
  margin-top: 5px;
  font-size: 12px;
  color: #999;
  text-align: left;
  opacity: 0;
  animation: content-fade-in 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  animation-delay: 0.88s;
  will-change: transform, opacity;
}

.form-policy input {
  position: relative;
  top: 2px;
  margin: 0;
}

.form-policy a {
  color: var(--theme-color, #ff5f33);
  transition: all 0.3s ease;
}

.form-policy a:hover {
  color: var(--theme-color, #ff5f33);
  text-decoration: underline;
}

/* ---------- Utility Classes ---------- */
.left {
  float: left;
}

.right {
  float: right;
}

/* ---------- WeChat Scan ---------- */
.erphp-weixin-scan {
  text-align: center;
  z-index: 99;
}

.erphp-weixin-scan img {
  margin: 10px 0;
  border-radius: 3px;
}

/* ---------- Payment Radios ---------- */
.loginform .payment-radios {
  text-align: center;
}

.loginform .payment-radios .paytype {
  display: none;
}

.loginform .payment-radios .icon {
  top: 2px;
  left: 0;
  font-size: 32px;
  position: relative;
}

.loginform .payment-radios label {
  margin: 0 5px;
  cursor: pointer;
  display: inline-block;
  line-height: 1;
  width: 44px;
  height: 44px;
  border: 2px solid #eaeaea;
  border-radius: 50%;
  text-align: center;
  padding: 2px;
  transition: all 0.3s ease;
}

.loginform .payment-radios .payment-alipay-label .icon { color: #00a3ee; }
.loginform .payment-radios .payment-wxpay-label .icon   { color: #00c250; }
.loginform .payment-radios .payment-qqpay-label .icon   { color: #0BB2FF; }
.loginform .payment-radios .payment-paypal-label .icon   { color: #0070ba; }

.loginform .payment-radios .paytype:checked + label {
  border: 2px solid var(--theme-color);
  box-shadow: 0 0 10px rgba(255, 95, 51, 0.2);
}

.loginform .payment-radios .paytype:checked + .payment-alipay-label {
  border: 2px solid #00a3ee;
  box-shadow: 0 0 10px rgba(0, 163, 238, 0.2);
}

.loginform .payment-radios .paytype:checked + .payment-wxpay-label {
  border: 2px solid #00c250;
  box-shadow: 0 0 10px rgba(0, 194, 80, 0.2);
}

.loginform .payment-radios .paytype:checked + .payment-qqpay-label {
  border: 2px solid #0BB2FF;
  box-shadow: 0 0 10px rgba(11, 178, 255, 0.2);
}

.loginform .payment-radios .paytype:checked + .payment-paypal-label {
  border: 2px solid #0070ba;
  box-shadow: 0 0 10px rgba(0, 112, 186, 0.2);
}

.loginform .payment-radios label:hover {
  transform: scale(1.05);
}

.loginform .payment-radios label:last-child {
  margin-right: 0;
}

/* ---------- Expend Container (WeChat Entry) ---------- */
.expend-container {
  position: absolute;
  right: 0;
  top: 0;
  cursor: pointer;
  z-index: 10;
}

.expend-container:after {
  content: ' ';
  position: absolute;
  right: 1.2rem;
  top: 1.2rem;
  z-index: 2;
  border-top: 1px rgba(0, 0, 0, 0.06) solid;
  height: 6rem;
  width: 6rem;
  background: rgba(255, 255, 255, 0.8);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transform: rotate(45deg);
  transition: all 0.4s;
}

.expend-container:hover:after {
  right: 1.4rem;
  top: 1.4rem;
  background: rgba(255, 255, 255, 0.95);
}

.expend-container a {
  display: inline-block;
}

.expend-container svg {
  fill: rgba(0, 0, 0, 0.4);
  transition: fill 0.3s ease;
}

.expend-container:hover svg {
  fill: rgba(0, 0, 0, 0.6);
}

/* ---------- Return Home ---------- */
.return-home {
  position: fixed;
  top: 20px;
  left: 20px;
  text-align: center;
  background: rgba(255, 255, 255, 0.15);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  width: 65px;
  height: 65px;
  line-height: 65px;
  border-radius: 16px;
  display: inline-block;
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.35s ease;
  z-index: 100;
  opacity: 0;
  animation: content-fade-in 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  animation-delay: 1.15s;
  will-change: transform, opacity;
}

.return-home:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.25);
}

.return-home .icon {
  font-size: 28px;
}

/* ============================================================
   DARK MODE - body.night
   ============================================================ */
body.night {
  background-color: #1a1a2e !important;
  color: #b0b0c0;
}

/* Dark mode rainbow gradient placeholder */
body.night ::-webkit-input-placeholder {
  background: var(--rainbow-gradient);
  background-size: 400% 400%;
  animation: rainbow-bg 4s ease infinite;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}
body.night ::-moz-placeholder {
  background: var(--rainbow-gradient);
  background-size: 400% 400%;
  animation: rainbow-bg 4s ease infinite;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}
body.night :-ms-input-placeholder {
  background: var(--rainbow-gradient);
  background-size: 400% 400%;
  animation: rainbow-bg 4s ease infinite;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

/* Dark glass card */
body.night .loginbox {
  background: rgba(30, 30, 50, 0.72);
  -webkit-backdrop-filter: blur(25px);
  backdrop-filter: blur(25px);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

body.night .loginbox::after {
  opacity: 0;
}

body.night .loginbox:hover::after {
  opacity: 0.08;
}

/* Dark input controls */
body.night .loginbox .input-item .input-control {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  color: #e8e8f0;
  font-weight: 500;
}

body.night .loginbox .input-item .input-control:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.14);
}

body.night .loginbox .input-item .input-control:focus {
  border-color: var(--rainbow-blue);
  background: rgba(255, 255, 255, 0.18);
  box-shadow:
    0 0 0 3px rgba(30, 144, 255, 0.15),
    0 2px 8px rgba(0, 0, 0, 0.2);
}

body.night .loginbox .input-item .icon {
  color: rgba(255, 255, 255, 0.35);
}

body.night .loginbox .input-item:focus-within .icon {
  color: var(--rainbow-blue);
}

/* Dark safe links */
body.night .loginbox .safe a {
  color: #888;
}

body.night .loginbox .safe a:hover {
  color: var(--rainbow-blue);
}

/* Dark social login */
body.night .loginbox .social-login span {
  color: #666;
}

body.night .loginbox .social-login span:before,
body.night .loginbox .social-login span:after {
  border-bottom-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 1px rgba(255, 255, 255, 0.03);
}

/* Dark expend container */
body.night .loginbox .expend-container:after {
  background: rgba(30, 30, 50, 0.85);
  border-top-color: rgba(255, 255, 255, 0.08);
}

body.night .expend-container svg {
  fill: #777;
}

body.night .expend-container:hover svg {
  fill: var(--rainbow-purple);
}

/* Dark form policy */
body.night .loginbox .form-policy {
  color: #666;
}

body.night .loginbox .form-policy a {
  color: #999;
}

body.night .loginbox .form-policy a:hover {
  color: var(--rainbow-blue);
}

/* Dark return home */
body.night .return-home {
  background: rgba(30, 30, 50, 0.72);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #777;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

body.night .return-home:hover {
  color: var(--rainbow-blue);
  border-color: rgba(30, 144, 255, 0.2);
}

/* Dark captcha */
body.night .loginbox .input-item .captcha-clk,
body.night .loginbox .input-item .captcha-clk2,
body.night .loginbox .input-item .captcha-sms-clk {
  color: var(--rainbow-blue);
}

body.night .loginbox .input-item .invitation-link {
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* Dark payment radios */
body.night .loginform .payment-radios label {
  border-color: rgba(255, 255, 255, 0.1);
}

body.night .loginform .payment-radios .paytype:checked + label {
  box-shadow: 0 0 15px rgba(255, 95, 51, 0.15);
}

/* Dark submit button - keep rainbow gradient */
body.night .loginbox .input-submit .submit {
  background: var(--rainbow-gradient);
  background-size: 400% 400%;
  animation: rainbow-bg 6s ease infinite;
  color: #fff;
  box-shadow:
    0 4px 15px rgba(0, 0, 0, 0.3),
    0 0 20px rgba(255, 71, 87, 0.15);
}

body.night .loginbox .input-submit .submit:hover {
  box-shadow:
    0 8px 25px rgba(0, 0, 0, 0.35),
    0 0 40px rgba(255, 71, 87, 0.25);
  filter: brightness(1.1);
}

/* Dark h2 text - keep rainbow gradient but slightly dimmed */
body.night .loginbox h2 {
  opacity: 0.9;
}

/* Dark social icons - slightly dimmer shimmer */
body.night .sign-social .login-qq::after,
body.night .sign-social .login-weibo::after,
body.night .sign-social .login-weixin::after,
body.night .sign-social .login-google::after,
body.night .sign-social .login-facebook::after,
body.night .sign-social .login-twitter::after {
  opacity: 0.5;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .loginbox.has-left {
    width: 100%;
    padding-left: 0;
  }

  .loginbox.has-left .loginimage {
    display: none;
  }

  .return-home {
    width: 50px;
    height: 50px;
    line-height: 50px;
    top: 12px;
    left: 12px;
    border-radius: 12px;
  }

  .return-home .icon {
    font-size: 22px;
  }
}

@media (max-width: 640px) {
  .loginbox {
    width: 100%;
    border-radius: 0;
    box-shadow: none !important;
    padding: 30px 20px 50px;
    top: auto;
    transform: none;
    margin: 0;
    min-height: 100vh;
    animation: ios-card-enter-mobile 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards,
               rainbow-bg 8s ease infinite;
    will-change: transform, opacity, filter;
  }

  .loginbox::before {
    height: 3px;
  }

  .loginbox::after {
    display: none;
  }

  .loginbox .part {
    max-width: 100%;
  }

  .loginbox h2 {
    font-size: 24px;
  }

  .loginbox .input-item .input-control {
    border-radius: 8px;
    padding: 12px 12px 12px 33px;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
  }

  .loginbox .input-submit .submit {
    border-radius: 8px;
    padding: 11px 0;
  }

  .sign-social .login-qq,
  .sign-social .login-weibo,
  .sign-social .login-weixin,
  .sign-social .login-google,
  .sign-social .login-facebook,
  .sign-social .login-twitter {
    width: 44px;
    height: 44px;
    line-height: 44px;
    font-size: 24px;
    margin: 0 6px;
  }

  .loginbox .signup-social-only .sign-social .login-qq,
  .loginbox .signup-social-only .sign-social .login-weibo,
  .loginbox .signup-social-only .sign-social .login-weixin,
  .loginbox .signup-social-only .sign-social .login-google,
  .loginbox .signup-social-only .sign-social .login-facebook,
  .sign-social .login-twitter {
    width: 52px;
    height: 52px;
    line-height: 52px;
  }

  .expend-container:after {
    right: 0.8rem;
    top: 0.8rem;
    height: 4rem;
    width: 4rem;
  }

  .expend-container:hover:after {
    right: 1rem;
    top: 1rem;
  }

  .form-policy {
    font-size: 11px;
  }
}

/* Extra small screens */
@media (max-width: 375px) {
  .loginbox {
    padding: 25px 16px 40px;
  }

  .loginbox h2 {
    font-size: 22px;
  }

  .loginbox .input-item .input-control {
    font-size: 15px;
    padding: 11px 12px 11px 30px;
  }

  .sign-social .login-qq,
  .sign-social .login-weibo,
  .sign-social .login-weixin,
  .sign-social .login-google,
  .sign-social .login-facebook,
  .sign-social .login-twitter {
    width: 40px;
    height: 40px;
    line-height: 40px;
    font-size: 22px;
    margin: 0 5px;
  }
}