* {
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  height: 100vh;
  background: linear-gradient(135deg, #f97316, #fb923c, #facc15);
  background-size: 300% 300%;
  animation: gradientMove 10s ease infinite;
  display: flex;
  justify-content: center;
  align-items: center;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.container {
  width: 90%;
  max-width: 430px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px);
  padding: 45px 50px;
  border-radius: 25px;
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.25);
  color: #fff;
  text-align: center;
  animation: fadeIn 1.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

h2 {
  margin-bottom: 25px;
  font-weight: 700;
  font-size: 28px;
  letter-spacing: 0.8px;
  color: #fff8f0;
}

.message {
  display: inline-block;
  width: 100%;
  padding: 10px 15px;
  margin-bottom: 20px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  animation: slideDown 0.5s ease;
  text-align: center;
}

.message i {
  margin-right: 8px;
}

.message.error {
  background: rgba(255, 0, 0, 0.1);
  border: 1px solid rgba(255, 0, 0, 0.3);
  color: #ffb3b3;
}

.message.success {
  background: rgba(0, 255, 0, 0.1);
  border: 1px solid rgba(0, 255, 0, 0.3);
  color: #baffb3;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-group {
  position: relative;
  margin-bottom: 20px;
}

.form-group i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #ffd7a0;
  font-size: 14px;
}

input {
  width: 100%;
  padding: 12px 15px 12px 40px;
  border: none;
  border-radius: 10px;
  background: #000;
  color: #fff;
  font-size: 15px;
  outline: none;
  transition: all 0.3s ease;
}

input::placeholder {
  color: #bbb;
}

input:focus {
  background: #111;
  box-shadow: 0 0 10px rgba(255, 235, 200, 0.5);
}

button {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #facc15, #f97316);
  border: none;
  border-radius: 10px;
  font-size: 16px;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}

button:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(255, 140, 0, 0.4);
}

.link {
  text-align: center;
  margin-top: 20px;
  color: #fff8f0;
  font-size: 14px;
}

.link a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.link a:hover {
  text-decoration: underline;
  color: #ffe5b4;
}