body {
  font-family: 'Montserrat', sans-serif;
  background: linear-gradient(135deg, #15181e 0%, #242733 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
}
.register-container {
  background: rgba(36, 39, 51, 0.86);
  border-radius: 2rem;
  box-shadow: 0 8px 32px 0 rgba(0,0,0,0.28);
  border: 1.5px solid rgba(255,255,255,0.13);
  backdrop-filter: blur(12px);
  padding: 2.5rem 2rem;
  max-width: 400px;
  width: 90%;
}
.logo {
  font-size: 2.1rem;
  font-weight: 700;
  text-align: center;
  color: #ff194a;
  margin-bottom: 1.5rem;
  text-shadow: 0 0 12px #ff194a55, 0 0 6px #fff1;
  opacity: 0;
  transform: translateY(-30px) scale(0.95);
}
.input {
  background: rgba(255,255,255,0.08);
  border: none;
  outline: none;
  padding: 1rem;
  width: 100%;
  margin-bottom: 1rem;
  border-radius: 1rem;
  color: #fff;
  font-size: 1rem;
  transition: background 0.2s, box-shadow 0.18s;
  box-shadow: 0 2px 10px 0 transparent;
  opacity: 0;
  transform: translateY(20px) scale(0.98);
}
.input:focus {
  background: rgba(255,255,255,0.15);
  box-shadow: 0 2px 20px 0 #ff194a33;
}
.btn {
  background: linear-gradient(90deg, #ff194a 60%, #ff4769 100%);
  color: #fff;
  font-weight: 600;
  border: none;
  width: 100%;
  padding: 1rem;
  border-radius: 1rem;
  cursor: pointer;
  font-size: 1.15rem;
  box-shadow: 0 2px 18px 0 rgba(255,25,74,0.13);
  margin-top: 0.5rem;
  opacity: 0;
  transform: translateY(32px) scale(0.98);
}
.btn:hover {
  background: linear-gradient(90deg, #e0143d 70%, #ff4769 100%);
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 30px #ff194a29;
}
.error {
  color: #ff6262;
  font-size: 0.95rem;
  text-align: center;
  margin-bottom: 1rem;
  min-height: 1.2em;
  font-weight: 600;
  display: none;
}
.login-link {
  text-align: center;
  margin-top: 1rem;
  color: #bbb;
  font-size: 1rem;
  opacity: 0;
  transform: translateY(20px) scale(0.96);
}
.login-link a {
  color: #ff194a;
  text-decoration: underline;
}
.login-link a:hover {
  color: #fff;
  text-shadow: 0 0 5px #ff194a66;
}
.glass {
  background: rgba(36, 39, 51, 0.85);
  border-radius: 2rem;
  box-shadow: 0 8px 32px 0 rgba(0,0,0,0.33);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 350px;
  border: 1.5px solid rgba(255,255,255,0.13);
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 1;
  overflow: hidden;
}
.glass::before {
  content: "";
  position: absolute;
  top: -40px; left: -40px;
  width: 120px; height: 120px;
  background: linear-gradient(120deg, #ff194a99, transparent 70%);
  filter: blur(24px);
  z-index: -1;
  border-radius: 50%;
  animation: float1 5s ease-in-out infinite alternate;
}
.glass::after {
  content: "";
  position: absolute;
  bottom: -30px; right: -30px;
  width: 90px; height: 90px;
  background: linear-gradient(20deg, #fff2, transparent 60%);
  filter: blur(18px);
  z-index: -1;
  border-radius: 50%;
  animation: float2 4s ease-in-out infinite alternate;
}
@keyframes float1 {
  to { transform: translateY(30px) scale(1.1);}
}
@keyframes float2 {
  to { transform: translateY(-20px) scale(1.06);}
}