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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: white;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  padding: 40px;
  animation: slideUp 0.5s ease-out;
}

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

.login-header {
  text-align: center;
  margin-bottom: 40px;
}

.login-icon {
  font-size: 50px;
  color: #667eea;
  margin-bottom: 20px;
}

.login-header h1 {
  font-size: 28px;
  color: #333;
  margin-bottom: 10px;
}

.login-header p {
  color: #666;
  font-size: 14px;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #555;
  font-size: 14px;
  font-weight: 600;
}

.input-wrapper {
  position: relative;
}

.input-wrapper i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
}

.input-wrapper input {
  width: 100%;
  padding: 15px 45px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 16px;
  transition: all 0.3s ease;
  background: #f9f9f9;
}

.input-wrapper input:focus {
  outline: none;
  border-color: #667eea;
  background: white;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.toggle-password {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #999;
  cursor: pointer;
  padding: 5px;
}

.toggle-password:hover {
  color: #667eea;
}

.error-message {
  background: #fee2e2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  text-align: center;
}

.login-btn {
  width: 100%;
  padding: 15px;
  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;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.login-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.login-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.login-btn i {
  font-size: 18px;
}

.login-footer {
  text-align: center;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #e0e0e0;
  color: #999;
  font-size: 12px;
}