.login-app {
  background:
    radial-gradient(circle at 18% 10%, rgba(247, 166, 35, 0.16), transparent 26%),
    radial-gradient(circle at 86% 18%, rgba(141, 132, 199, 0.18), transparent 28%),
    radial-gradient(circle at 50% 100%, rgba(73, 182, 242, 0.20), transparent 35%),
    linear-gradient(180deg, #f8fcff 0%, #edf8ff 100%);
}

.login-card {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.97);
  border-radius: 34px;
  padding: 30px 22px 24px;
  border: 1px solid rgba(205, 229, 255, 0.95);
  box-shadow:
    0 24px 70px rgba(56, 116, 168, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
}

.login-card::before {
  content: "";
  position: absolute;
  top: -88px;
  right: -82px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255,255,255,0.75), transparent 24%),
    rgba(73, 182, 242, 0.14);
}

.login-card::after {
  content: "";
  position: absolute;
  left: -74px;
  bottom: -88px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: rgba(247, 166, 35, 0.10);
}

.water-bubble {
  position: absolute;
  z-index: 0;
  border-radius: 999px;
  background: rgba(73, 182, 242, 0.13);
  border: 1px solid rgba(73, 182, 242, 0.18);
}

.bubble-01 {
  width: 18px;
  height: 18px;
  top: 34px;
  left: 28px;
}

.bubble-02 {
  width: 10px;
  height: 10px;
  top: 78px;
  left: 54px;
}

.bubble-03 {
  width: 14px;
  height: 14px;
  right: 34px;
  bottom: 132px;
  background: rgba(141, 132, 199, 0.13);
  border-color: rgba(141, 132, 199, 0.2);
}

.login-head,
.login-form,
.login-guide,
.error-msg {
  position: relative;
  z-index: 1;
}

.login-head {
  text-align: center;
  margin-bottom: 22px;
}

.logo-wrap {
  width: 130px;
  height: 130px;
  margin: 0 auto 15px;
  padding: 12px;
  border-radius: 36px;
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(135deg, #49b6f2, #8d84c7, #f7a623) border-box;
  border: 2px solid transparent;
  box-shadow:
    0 14px 34px rgba(56, 116, 168, 0.14),
    0 0 0 7px rgba(73, 182, 242, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo.small {
  width: 104px;
  margin: 0;
}

.page-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 29px;
  padding: 0 14px;
  margin-bottom: 13px;
  border-radius: 999px;
  background: #eef8ff;
  color: #3984c6;
  border: 1px solid #cfeeff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.login-card h1 {
  margin: 0 0 12px;
  font-size: 27px;
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.045em;
  color: #1d2738;
}

.login-head p {
  font-size: 14px;
  line-height: 1.65;
  color: #5f6f82;
}

.login-form {
  display: grid;
  gap: 15px;
}

.login-form label {
  display: grid;
  gap: 7px;
}

.login-form label span {
  font-size: 14px;
  font-weight: 900;
  color: #1f2a3d;
}

.login-form input {
  background: #ffffff;
}

.login-btn {
  margin-top: 4px;
  background: linear-gradient(135deg, #49b6f2, #3984c6);
  box-shadow: 0 12px 24px rgba(73, 182, 242, 0.28);
}

.error-msg {
  margin-bottom: 15px;
  padding: 13px 14px;
  border-radius: 16px;
  background: #fff3f1;
  border: 1px solid #ffd0ca;
  color: #d9362a;
  text-align: center;
  font-size: 14px;
  font-weight: 800;
}

.login-guide {
  margin-top: 18px;
  padding: 4px 0 0;
  text-align: center;
}

.login-guide strong {
  display: block;
  margin-bottom: 6px;
  color: #3984c6;
  font-size: 13px;
  font-weight: 900;
}

.login-guide p {
  font-size: 13px;
  line-height: 1.6;
  color: #7b8797;
}

@media (max-width: 480px) {
  .app {
    padding: 18px 14px;
  }

  .login-card {
    border-radius: 30px;
    padding: 25px 17px 21px;
  }

  .logo-wrap {
    width: 120px;
    height: 120px;
    border-radius: 32px;
  }

  .logo.small {
    width: 96px;
  }

  .login-card h1 {
    font-size: 25px;
  }
}

.home-btn{
  width:100%;
  height:54px;

  display:flex;
  align-items:center;
  justify-content:center;

  margin-top:10px;

  border-radius:16px;

  text-decoration:none;

  background:#fff;
  border:1px solid #d8e6f3;

  color:#425466;
  font-size:15px;
  font-weight:800;

  transition:.2s;
}

.home-btn:hover{
  background:#f8fbff;
}