body {
  min-height: 100vh;
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: url('../../image/13.png') no-repeat center center fixed;
  background-size: cover;
  position: relative;
}
.bg-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(20, 30, 30, 0.5);
  z-index: 0;
}
.login-bg, .login-panel { position: relative; z-index: 1; }
.login-bg {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-panel {
  background: rgba(255,255,255,0.97);
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  display: flex;
  min-width: 700px;
  min-height: 400px;
  overflow: hidden;
}
.login-left {
  background: linear-gradient(120deg, #004A30 80%, #a7250e 100%);
  color: #fff;
  width: 45%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}
.login-left img {
  width: 120px;
  margin-bottom: 1.5rem;
}
.login-left h2 {
  font-weight: 700;
  margin-bottom: 0.5rem;
  font-size: 2rem;
}
.login-left p {
  font-size: 1.1rem;
  opacity: 0.85;
}
.login-right {
  width: 55%;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.login-right h3 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #0d2c1e;
  font-weight: 600;
}
.form-control {
  border-radius: 8px;
  font-size: 1.05rem;
}
.input-group-text {
  background: #e9ecef;
  border-radius: 8px 0 0 8px;
  color: #0d2c1e;
}
.btn-login {
  background: linear-gradient(90deg, #0d2c1e 70%, #a7250e 100%);
  color: #fff;
  font-weight: 600;
  border-radius: 8px;
  margin-top: 1rem;
  transition: background 0.2s;
}
.btn-login:hover {
  background: linear-gradient(90deg, #a7250e 70%, #0d2c1e 100%);
  color: #fff;
}
.login-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
  font-size: 0.95rem;
}
@media (max-width: 800px) {
  .login-panel {
    flex-direction: column;
    min-width: 320px;
    min-height: unset;
  }
  .login-left, .login-right {
    width: 100%;
    padding: 2rem 1rem;
  }
  .login-left {
    border-radius: 18px 18px 0 0;
  }
  .login-right {
    border-radius: 0 0 18px 18px;
  }
}