* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 450px;
  animation: fadeIn 0.5s ease-in;
}

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

.form-wrapper {
  background: white;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

h2 {
  margin-bottom: 10px;
  color: #333;
  font-size: 28px;
  font-weight: 600;
  text-align: center;
}

.subtitle {
  text-align: center;
  color: #666;
  margin-bottom: 30px;
  font-size: 14px;
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  margin-bottom: 8px;
  color: #555;
  font-size: 14px;
  font-weight: 500;
}

input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #e1e8ed;
  border-radius: 10px;
  font-size: 15px;
  outline: none;
  transition: all 0.3s ease;
  background: #f8f9fa;
}

input[type="email"]:focus,
input[type="password"]:focus {
  border-color: #667eea;
  background: white;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn-primary {
  width: 100%;
  padding: 14px 16px;
  margin-top: 10px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.link-text {
  margin-top: 25px;
  text-align: center;
  font-size: 14px;
  color: #666;
}

.link-text a {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.link-text a:hover {
  color: #764ba2;
  text-decoration: underline;
}

#message {
  margin-top: 20px;
  padding: 12px;
  border-radius: 8px;
  font-size: 14px;
  text-align: center;
  display: none;
}

.error-message {
  background: #fee;
  color: #c33;
  border: 1px solid #fcc;
}

.success-message {
  background: #efe;
  color: #3c3;
  border: 1px solid #cfc;
}

/* Responsive Design */
@media (max-width: 480px) {
  .form-wrapper {
    padding: 30px 25px;
  }
  
  h2 {
    font-size: 24px;
  }
  
  input[type="email"],
  input[type="password"] {
    padding: 12px 14px;
    font-size: 14px;
  }
  
  .btn-primary {
    padding: 12px 14px;
    font-size: 15px;
  }
}